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Dropbox Inc patents (2017 archive)


Recent patent applications related to Dropbox Inc. Dropbox Inc is listed as an Agent/Assignee. Note: Dropbox Inc may have other listings under different names/spellings. We're not affiliated with Dropbox Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "D" | Dropbox Inc-related inventors


System and method for acquiring virtual and augmented reality scenes by a user

A preferred method of acquiring virtual or augmented reality (var) scenes can include at a plurality of locations of interest, providing one or more users with a predetermined pattern for image acquisition with an image capture device and for each of the one or more users, in response to a user input, acquiring at least one image at the location of interest. The method of the preferred embodiment can also include for each of the one or more users, in response to the acquisition of at least one image, providing the user with feedback to ensure a complete acquisition of the virtual or augmented reality scene; and receiving at a remote database, from each of the one or more users, one or more var scenes. ... Dropbox Inc

Systems and methods for managing content items having multiple resolutions

Systems, methods, and non-transitory computer readable media for managing content items having multiple resolutions may be provided. In some embodiments, a user device may send a request to access one or more images from a content management system. ... Dropbox Inc

Predictive caching and fetch priority

Predicting what content items a user finds important and sending those items to a cache on the user's device at times when doing so will not drain resources and will not result in expensive data rates. Applying a ranking function that examines recency and other content metadata associated with the user's content items stored in a synchronized content management system. ... Dropbox Inc

Identifying accounts having shared credentials

Disclosed are systems, methods, and non-transitory computer-readable storage media for identifying accounts having shared credentials. In some implementations, a content management system can collect user login context data when a user logs in to or accesses a user account of the content management system. ... Dropbox Inc

Out of box experience application api integration

Disclosed are systems, methods, and non-transitory computer-readable storage media for providing an original equipment manufacturer with application program interface (api) for registering an account and creating a custom uniform resource locator (url) on a content management system, from which the out-of-box experience application can download and install a pre-authorized version of a client application for the content management system.. . ... Dropbox Inc

Detecting compromised credentials

Disclosed are systems, methods, and non-transitory computer-readable storage media for detecting compromised credentials. In some implementations, a content management system can receive information identifying compromised login credentials (e.g., account identifier, password, etc.) from a third party server. ... Dropbox Inc

Synchronizing edits to low- and high-resolution versions of digital videos

One or more embodiments of a video editing system enable one or more users to conveniently edit a digital video. In particular, an online content management system can provide a low resolution version of a digital video to a client device. ... Dropbox Inc

Interface description language for application programming interfaces

An application programming interface (api) analysis engine can validate and parse an api specification. It can determine if the api specification (or portion thereof) contains major or minor changes from a previous version of the api specification. ... Dropbox Inc

Implementing a consistent ordering of operations in collaborative editing of shared content items

Systems, methods, and computer-readable storage media for ordering editing operations in collaborative editing of shared content items. The content management system can receive an edit operation from a first client for a content item that is shared for collaborative editing between the first client and a second client. ... Dropbox Inc

Content preview including sharable information

A user of a content management system can store one or more content items at the user's account with the system. In some instances, the system can generate and present a preview of a content item of interest (e.g., a content item selected by the user). ... Dropbox Inc

Providing a content preview

A content preview of a content item stored in an online storage system can be viewed on a client device without the content item itself being downloaded to the client device and without the use of software associated with the content item being installed on the client device. Furthermore, data storage and processing requirements can be minimized by creating and storing only one content preview for each unique content item. ... Dropbox Inc

Messaging client application interface

A user interface for a messaging client application can include a message list. By executing various input operations on a representation of a message in the message list, the user can take an action on the message. ... Dropbox Inc

Systems and methods for downloading files

Systems according to various embodiments use a file download widget to facilitate the download of one or more files from one or more servers associated with a website. In particular embodiments, the file download widget may be used to facilitate the download of one or more particular files that are associated with the widget directly to a content management system, such as a synched or non-synched cloud-based content management system. ... Dropbox Inc

Facilitating access to content from group interactions

The disclosed embodiments provide a system that facilitates access to content. During operation, the system detects uploading of the content within a group interaction among a set of users. ... Dropbox Inc

10/26/17 / #20170308698

Scanning content items based on user activity

In some embodiments, a content management system can initiate a scan of a content item when the content management system detects that activity associated with the content item triggers a scan policy. In some embodiments, a content management system can initiate a scan of a user's account when the content management system detects that activity associated with the content item triggers a scan policy. ... Dropbox Inc

10/26/17 / #20170308600

Storage constrained synchronization engine

A client application of a content management system provides instructions for synchronizing content items and placeholder items using a local file journal and updated file journal. The client application compares entries in the updated file journal to entries in the local file journal to determine modifications to make to content items or placeholder items stored in a shared content storage directory on the client device. ... Dropbox Inc

10/26/17 / #20170308599

Storage constrained synchronization engine

A client application of a content management system provides instructions for synchronizing content items and placeholder items using a local file journal and updated file journal. The client application compares entries in the updated file journal to entries in the local file journal to determine modifications to make to content items or placeholder items stored in a shared content storage directory on the client device. ... Dropbox Inc

10/26/17 / #20170308598

Storage constrained synchronization engine

A content management system synchronizes content items across client computing systems connected by a network. If a storage allocation for shared content items on a client device is exceeded by the request to add or edit a content item such that it is enlarged, a client application or the host of content management system selects content items to remove from residence on the client device but keep remotely on content management system. ... Dropbox Inc

10/26/17 / #20170308443

Network folder resynchronization

Resynchronization of folders shared among multiple client devices over a network is provided. Metadata and hash values stored on the client device are moved from a metadata database to a resynchronization database, and the data in the metadata database is deleted. ... Dropbox Inc

10/12/17 / #20170295238

Collection folder for collecting file submissions via a customizable file request

A content management system for collecting files from one or more submitters in a collection folder. A collector, who generates the collection folder, can invite one or more submitters to submit one or more files to the collection folder via a customizable file request. ... Dropbox Inc

10/05/17 / #20170289210

Change comments for synchronized content items

Described embodiments enable device users sharing content items via a content management system to view and modify content items within native applications on their client devices. In various embodiments, a client application detects a save operation on a content item and prompts a user to provide a comment based on changes to the content item. ... Dropbox Inc

10/05/17 / #20170286415

Intelligently identifying and presenting digital documents

One or more embodiments of a document organization system quickly and conveniently provide digital documents to a user on a client device based on a physical object. In particular, the document organization system can receive an image of a physical document and an identifier from a first client device, identify digital documents that match the physical document, and provide the matching digital documents to a second client device, which displays the identifier. ... Dropbox Inc

10/05/17 / #20170285928

Shared folder backed integrated workspaces

Disclosed are systems, methods, and non-transitory computer-readable storage media for shared folder backed integrated workspaces. In some implementations, a content management system can provide a graphical user interface (gui) that integrates communications and content management into a single user interface. ... Dropbox Inc

09/28/17 / #20170279702

System and method for automated issue remediation for information technology infrastructure

A system and method for extensible, protective, and verifiable automated issue remediation for information technology infrastructure comprises invoking an application programming interface to obtain at least one issue object corresponding to an alert generated by a monitoring system; matching the issue object to at least one diagnosis plugin of a plurality of diagnosis plugins; obtaining a prescription object from the diagnosis plugin, the prescription object comprising a remedy; and invoking the remedy after verifying the remedy is authorized to proceed.. . ... Dropbox Inc

09/21/17 / #20170270322

Techniques for recovering missing devices

Techniques are provided for assisting owners to recover missing devices. The missing device automatically performs certain actions proactively in response to detecting conditions that indicate that the device has been lost or stolen. ... Dropbox Inc

09/14/17 / #20170264699

Recommendations for shareble links to content items stored in an online content management service

Recommendations for shareable links to content items stored in an online content management service. In one aspect, a recommendation is sent to a first user to create and share a shareable link to a content item with a second user. ... Dropbox Inc

09/14/17 / #20170262186

Reconstructing in-memory indices in a distributed data storage system

Reconstructing in-memory data block indices in a distributed data storage system where data blocks are stored in extents and the extents are replicated across storage devices. In one aspect, based on a reboot of a storage device and a copy of an extent stored in the storage device being in an open state, appends for data blocks in the copy of the extent stored in the storage device are replayed to reconstruct an in-memory data block index for the copy of the extent. ... Dropbox Inc

09/07/17 / #20170257405

Real time collaboration and document editing by multiple participants in a content management system

A content management system allows users to collaboratively edit, draft, or otherwise work with the same content item simultaneously by displaying a real-time data stream of a native application displaying a content item on a host device in a screen sharing window of a webpage. The screen sharing window is capable of receiving edit inputs and sending the edit inputs to a client application on the host device. ... Dropbox Inc

09/07/17 / #20170255761

Monitored shareable links to content items stored in an online content management service

Monitored shareable links to content items in an online content management service. In one aspect, based on determining that a first view metric associated with a shareable link to a content item is above a first activity threshold associated with the shareable link, a first action is taken on the shareable link. ... Dropbox Inc

09/07/17 / #20170255687

Content item block replication protocol for multi-premises hosting of digital content items

A content item block replication protocol for multi-premises hosting of digital content items. In one embodiment, for example, a method comprises: receiving, from a server, a server journal entry identifying one or more content item blocks of a content item represented by the server journal entry; storing a replication log entry corresponding to the server journal entry in a replication log, the replication log entry identifying the one or more content item blocks of the content item represented by the server journal entry and identifying a block server; and either offering to send the one or more content item blocks identified in the replication log entry to the block server identified in the replication log entry, or downloading the one or more content item blocks identified in the replication log entry from the block server identified in the replication log entry.. ... Dropbox Inc

08/31/17 / #20170250969

Techniques for invite enforcement and domain capture

Techniques for invite enforcement and domain capture. In one embodiment, for example, a method performed in an online service computing environment comprises the operations of: storing, in a database, an association between a team of one or more user accounts and a domain name service domain; receiving a request to invite an e-mail address belonging to the domain name service domain to join the team; creating, in a database, a placeholder user account that is a member of the team; associating, in a database, the e-mail address with the placeholder user account; and after an invitation for the e-mail address to join the team is accepted, converting, in a database, the individual user account to a team account that is (a) a member of the team and (b) associated with the e-mail address.. ... Dropbox Inc

08/31/17 / #20170250940

Custom share sheet with shortcut controls to share a content item

Techniques are described herein to generate a custom share sheet. The custom share sheet comprises one or more shortcut controls to share a content item using one or more corresponding contact-avenue pairs. ... Dropbox Inc

08/24/17 / #20170244675

Coerced encryption on connected devices

Techniques for coercing users to encrypt synchronized content stored at their personal computing devices. In some aspects, one or more computing devices receive, from a personal computing device, an indication of whether data stored in at least a portion of a storage device of the personal computing device is protected by disk encryption. ... Dropbox Inc

08/03/17 / #20170222865

Apparent cloud access for hosted content items

Techniques for apparent cloud access of a hosted content item. In one embodiment, for example, a method performed at a personal computing device comprising a user agent comprises: receiving a block agent request for a content item from the user agent; determining content item block identifiers of content item blocks that make up the content item; determining which, if any, of the content item blocks that make up the content item are not stored in a local storage of the personal computing device; downloading, from a block server of an online content management system, any of the content item blocks that are not stored in a local storage of the personal computing device; and sending to the user agent, in a response to the block agent request, data of each of the content item blocks that make up the content item.. ... Dropbox Inc

07/27/17 / #20170214668

Advanced security protocol for broadcasting and synchronizing shared folders over local area network

A method, system, and manufacture for securely broadcasting shared folders from one client device to other client devices and synchronizing the shared folders over a local area network. A first client device, associated with a content management system, generates a secure identifier for a shared folder, using a shared secret key that is associated with the shared folder. ... Dropbox Inc

07/20/17 / #20170206586

Dynamically customizing user quotas

An online content management system determines a new account configuration to offer to a user, including the price and/or size of a user's quota of storage space in an account on the online content management system, based on usage characteristics of the account. An account management module tracks account usage. ... Dropbox Inc

07/13/17 / #20170199861

Techniques for providing user interface enhancements for spreadsheets and tables

A system and method for providing user enhancements for spreadsheets and tables. In one implementation, the system detects a semantic organization event related to one or more data cells in a content-view of the spreadsheet or table. ... Dropbox Inc

07/13/17 / #20170199635

Bookmarking shared file and folder links

A document management system that is adapted to allow users to share files or folders by: (1) creating a link to the files or folders; and (2) sharing the link with other users. In particular embodiments, the system is adapted to keep track of any links generated by, sent by, and/or received by a particular user. ... Dropbox Inc

07/06/17 / #20170195416

Randomized peer-to-peer synchronization of shared content items

A content management system synchronizes content items across client computing systems connected by a network. Client devices connected to peer devices on a lan utilize peer-to-peer synchronization to synchronize content items. ... Dropbox Inc

07/06/17 / #20170195402

Sharing a content item

A content item on a content management system can be shared using a generated sharing link. The sharing link can be a custom network address, such as a uniform resource locator (url), which allows the content item to be accessed without authentication. ... Dropbox Inc

07/06/17 / #20170195381

User notifications for interaction information

A content management system creates and modifies user notification queues for shared content items synchronized between a content management system and multiple devices. A user notification queue includes interactions with a shared content item that may be presented to a user to indicate recent interactions with the shared content item by other sharing users. ... Dropbox Inc

07/06/17 / #20170193848

Assignments for classrooms

A computer implemented method for distributing, collecting and monitoring assignments by a content management system. The method includes receiving a request for a file request from a teacher to distribute an assignment to one or more students. ... Dropbox Inc

07/06/17 / #20170193835

Releasing assignments to students

A computer implemented method for distributing, collecting, monitoring and releasing assignments by a content management system. The method includes distributing file requests for assignments to students. ... Dropbox Inc

07/06/17 / #20170193709

Dynamically displaying multiple virtual and augmented reality views on a single display

One variation of a method for dynamically displaying multiple virtual and augmented reality scenes on a single display includes determining a set of global transform parameters from a combination of user-defined inputs, user-measured inputs, and device orientation and position derived from sensor inputs; calculating a projection from a configurable function of the global transform parameters, context provided by the user and context specific to a virtual and augmented reality scene; rendering a virtual and augmented reality scene with the calculated projection on a subframe of the display; and repeating the previous two steps to render additional virtual and augmented reality scenes.. . ... Dropbox Inc

07/06/17 / #20170193448

Mixed collaboration teams

Disclosed are systems, methods, and non-transitory computer-readable storage media for implementing mixed collaboration teams. In some embodiments, a user of a content management system can create a team account within the content management system. ... Dropbox Inc

07/06/17 / #20170193447

Discoverable collaboration teams

Disclosed are systems, methods, and non-transitory computer-readable storage media for implementing discoverable collaboration teams. In some embodiments, a user of a content management system can create a team account within the content management system. ... Dropbox Inc

07/06/17 / #20170193337

Generating and utilizing normalized scores for classifying digital objects

The present disclosure is directed toward systems and methods that enable more accurate digital object classification. In particular, disclosed systems and methods address inaccuracies in digital object classification introduced by variations in classification scores. ... Dropbox Inc

07/06/17 / #20170193201

Automatic notifications for inadvertent file events

A content management system can detect file events that are suspected to be in error, and notify users having access to files affected by the detected file events of the detected events. The content management system can maintain a log of file events including a plurality of file identifiers. ... Dropbox Inc

07/06/17 / #20170193069

Propagating computable dependencies within synchronized content items between first and third-party applications

A content management system synchronizes content items across client computing systems connected by a network. The content management system provides a first party web application to the user. ... Dropbox Inc

07/06/17 / #20170193040

Servicing queries of an event index

Disclosed are systems and methods of querying a hybrid event index of a user. The systems and methods can include receiving a search request pertaining to at least a first namespace of a plurality of namespaces and determining a first index server storing a first portion of the hybrid event index associated with the first namespace. ... Dropbox Inc

07/06/17 / #20170193039

Servicing queries of an event log

Disclosed are systems and methods of querying an event log of a user. The systems and methods can include receiving a search request pertaining to at least a first namespace of a plurality of namespaces and determining a first index server storing a first portion of the event log associated with the first namespace, the first index server being one of a plurality of index servers, each of the plurality of index servers storing a portion of the event log pertaining to at least one namespace of the plurality of namespaces. ... Dropbox Inc

07/06/17 / #20170193001

Control transfer of shared content

An example computer implemented method to manage and transfer access to a synchronized content item across multiple users includes displaying a local version of the content item in an application window of a first application. The local version of the content item can be associated with a cloud version of the content item stored on a content management system. ... Dropbox Inc

07/06/17 / #20170192988

On-device indexing of hosted content items

Techniques on on-device indexing of hosted content items are described. In one embodiment, for example, a method is performed at a portable electronic device. ... Dropbox Inc

07/06/17 / #20170192856

Techniques for providing user interface enhancements for online content management system version histories

A system and method for displaying an enhanced version history user interface for an online content management system. In one embodiment, a version history user interface includes version history entries that represent primary events and anchor events. ... Dropbox Inc

07/06/17 / #20170192764

Automated application installation

An example computer implemented method to automatically download and install a second application can include a first application detecting that a condition has occurred. This first application can be preinstalled by the original equipment manufacturer. ... Dropbox Inc

07/06/17 / #20170192656

Native application collaboration

A client device displays a content item in a window associated with a process on the device. A client application monitors the process for the content item and determines whether the content item is synchronized with a client device or content management system. ... Dropbox Inc

06/29/17 / #20170187720

Sharing files based on recipient-location criteria

Techniques are provided for enabling server-based file sharing that supports recipient-location criteria. Specifically, users that desire to share files are able to include recipient-location criteria in the sharing criteria for the files that the users provide for sharing. ... Dropbox Inc

06/29/17 / #20170187671

Managing drafts of electronic documents across client devices

Techniques are described for managing drafts of an electronic document (e.g., an electronic note, an electronic message, an electronic calendar invitation, and/or other types of electronic documents) between client devices. Such an electronic document can be composed using different clients, such that composing the document can be continued using different clients. ... Dropbox Inc

06/29/17 / #20170185753

View-based expiration of shared content

Techniques related to view-based expiration of shared content are described. An online content management system receives a view access request from a client device. ... Dropbox Inc

06/29/17 / #20170185687

Content item activity feed for presenting events associated with content items

A content management system aggregates and provides users' interaction with a content item for display in an activity feed. Events corresponding to the users' interaction with the content item are provided in conjunction with a user interface of a native application displaying the content item. ... Dropbox Inc

06/29/17 / #20170185641

Systems and methods of re-associating content items

Disclosed are systems, methods, and non-transitory computer-readable storage media for re-associating content items of a user account of a content management system on a computing device relinked to the content management system. The systems, methods, and non-transitory computer-readable storage media can include the content management system receiving a request to relink the computing device with a user account of the content management system. ... Dropbox Inc

06/29/17 / #20170185626

Embedded folder views

Disclosed are systems, methods, and non-transitory computer-readable storage media for providing an embedded web view of a folder in a content management system on a web page. For example, a user can request from a content management system code for embedding a web view of a content item or group of content items (e.g., folder) into a web page. ... Dropbox Inc

06/22/17 / #20170180285

Import content items from email

An example computer-implemented method to download and organize attachments from messages includes downloading a message attachment and related message metadata from a messaging database such as an email attachment. The example computer-implemented method can then include indexing the message attachment using the message metadata. ... Dropbox Inc

06/22/17 / #20170178368

Integrated data exploration, modeling and visualization

Techniques are provided for data exploration. An application is provided for execution on a client computer to display a plurality of data fields associated with one or more data sources, receive user input specifying a set of one or more graph parameters based on one or more selected data fields, generate a graph model, and transmit a continuous query request corresponding to the graph model. ... Dropbox Inc

06/22/17 / #20170178299

Enhancing a digital image

One or more embodiments of an image enhancement system enable a computing device to generate an enhanced digital image. In particular, a computing device can enhance a digital image including, for example, a photograph of a whiteboard, document, chalkboard, or other object having a uniform background. ... Dropbox Inc

06/22/17 / #20170177688

Managing content across discrete systems

Disclosed are systems, methods, and non-transitory computer-readable storage media for managing content across discrete systems. A content management system can be implemented to manage content items and synchronize content items across devices. ... Dropbox Inc

06/22/17 / #20170177445

Network folder resynchronization

Resynchronization of folders shared among multiple client devices over a network is provided. Metadata and hash values stored on the client device are moved from a metadata database to a resynchronization database, and the data in the metadata database is deleted. ... Dropbox Inc

06/22/17 / #20170177194

Link file sharing and synchronization

A content management system can receive, from a client device, a link including an address to a network resource. The content management system can then store a link file including the link, and provide the link file on a first page of a website. ... Dropbox Inc

06/15/17 / #20170168856

Sending feature-instruction notifications to user computing devices

A system and method for sending feature-instruction notifications to user computing devices. In one implementation, an online content management system detects a feature-instruction triggering event. ... Dropbox Inc

06/08/17 / #20170160904

Sharing a template file

A method for sharing one file with many. To share a file, a template sharer selects a file in a shared folder to share as a template file and enters a template share command. ... Dropbox Inc

05/18/17 / #20170139971

Graph-based data models for partitioned data

A method and system for managing access to data. A plurality of data items is stored across a plurality of partitions according to a graph-based data model. ... Dropbox Inc

05/11/17 / #20170134371

Toggle between accounts

Techniques are described for enabling administrators of teams that use a particular service to specify which sign-on options, of multiple possible sign-on options, are assigned to the members of the teams to which the administrators belong. For example, an administrator may assign a first sign-on option, which only allows users to use native authentication, to one set of members of the team. ... Dropbox Inc

05/11/17 / #20170134352

System and method for non-replayable communication sessions

Systems, methods, and non-transitory computer-readable storage media for a non-replayable communication system are disclosed. A first device associated with a first user may have a public identity key and a corresponding private identity. ... Dropbox Inc

05/11/17 / #20170132428

Requesting modification rights to a linked file set

A computer implemented system and method of sharing files between a link sharer and a link recipient over a network. The method comprises generating, in response to a request by a link sharer, a file sharing link to a file set, where the link does not provide a link recipient the ability to modify the contents of the linked file set. ... Dropbox Inc

05/04/17 / #20170126802

Peer-to-peer synchronization protocol for multi-premises hosting of digital content items

A peer-to-peer synchronization protocol for multi-premises hosting of digital content items. In one embodiment, for example, a method comprises the operations of: receiving, from a peer computing device, a peer download advertisement comprising an identifier of a content item namespace in association with a peer client journal cursor value; receiving, from a server, one or more server journal entries, each identifying one or more content item blocks of a content item represented by the server journal entry and each having a server journal cursor value; and for at least one server journal entry, downloading, from the peer computing device, at least one content item block of the content item represented by the server journal entry that is not already stored at the computing device.. ... Dropbox Inc

05/04/17 / #20170126800

Content item block replication protocol for multi-premises hosting of digital content items

A content item block replication protocol for multi-premises hosting of digital content items. In one embodiment, for example, a method comprises: receiving, from a server, a server journal entry identifying one or more content item blocks of a content item represented by the server journal entry; storing a replication task log entry corresponding to the server journal entry in a replication task log, the replication task log entry identifying the one or more content item blocks of the content item represented by the server journal entry and identifying a block server; and either offering to send the one or more content item blocks identified in the replication task log entry to the block server identified in the replication task log entry, or downloading the one or more content item blocks identified in the replication task log entry from the block server identified in the replication task log entry.. ... Dropbox Inc

05/04/17 / #20170126799

Namespace translation

An example computer-implemented method to translate a namespace includes receiving a first synchronization request associated with a first content item. This first synchronization request can include a first content item path and come from a client device. ... Dropbox Inc

05/04/17 / #20170126782

Synchronization protocol for multi-premises hosting of digital content items

A synchronization protocol for multi-premises hosting of digital content items. In one embodiments, for example, a method, comprising: detecting creation or modification of a content item; determining a content item namespace to which the content item belongs; obtaining an identifier of a block server to which the content item namespace is assigned; and uploading any content item blocks of the content item to the block server that are not already stored at the block server.. ... Dropbox Inc

05/04/17 / #20170124212

Location-independent links to content at online content management systems

The disclosed embodiments provide a system that facilitates access to content. During operation, the system tracks a content item at an online content management system using an identifier for the content item. ... Dropbox Inc

05/04/17 / #20170124170

Synchronization protocol for multi-premises hosting of digital content items

A synchronization protocol for multi-premises hosting of digital content items. In one embodiment, for example, a method comprises the operations of: detecting creation or modification of a content item; determining a content item namespace to which the content item belongs; obtaining a plurality of identifiers of a plurality of block servers to which the content item namespace is assigned; making a selection of one of the plurality of block servers as a target block server; and uploading any content item blocks of the content item to the target block server that are not already stored at the target block server.. ... Dropbox Inc

05/04/17 / #20170123982

Providing a dynamic digital content cache

One or more embodiments of a thumbnail caching system dynamically provide a thumbnail cache of digital content items (e.g., photos, videos, audio) to a user on a client device. In particular, the thumbnail caching system provides a thumbnail cache of a digital content collection to a client device such that the thumbnail cache does not exceed a threshold storage limit for the client device. ... Dropbox Inc

04/27/17 / #20170116301

Managing distributed deletes in a replicated storage system

A data storage system includes multiple storage zones that store replicated copies of data items. Upon receiving a delete operation at a particular time to delete a data item, the system computes a maximum last update time based on the particular time and a minimum data item lifetime. ... Dropbox Inc

04/20/17 / #20170109370

Selective downloading of shared content items in a constrained synchronization system

A content management system synchronizes content items across client computing systems connected by a network. If a storage allocation for shared content items on a client device is exceeded by the request to add or edit a content item such that it is enlarged, a client application or the host of content management system selects content items to remove from residence on the client device but keep remotely on content management system. ... Dropbox Inc

04/13/17 / #20170104743

Authenticated server views

An example computer implemented method to create an authenticated server view includes sending a client secret to an online-synchronized content management system and receiving an authentication key. The example method can then include generating a server view of the online-synchronized content management system using instantiation data. ... Dropbox Inc

04/13/17 / #20170103045

Modifying native document comments in a preview

A document preview system provides previews of a native document to client devices. The previews include comments associated with native objects in the native document. ... Dropbox Inc

04/13/17 / #20170102852

Sharing a file with a single contact

A content management system rendering a file sharing gui on a first device which is communicatively coupled to a content management system and associated with a first user having an account with the content management system. A file to be shared with a second user is identified in response to the file being selected and dragged. ... Dropbox Inc

03/30/17 / #20170091300

Distinguishing event type

An example computer-implemented method to determine if an event was triggered by an action performed by a client synchronization module begins with receiving an event from an operating system. The event can be associated with a content item. ... Dropbox Inc

03/30/17 / #20170091253

Interrupted synchronization detection and recovery

An example computer implemented method for updating a first version of a content item on a client device. The example method includes recording an indicator that the first version is going to be updated to a second version of the content item. ... Dropbox Inc

03/23/17 / #20170085642

Directing to shared content

A content management system provides event data relating to other users' activity or interactions with a content item for display in an activity feed provided in conjunction with a user interface of a native application displaying the content item. Though provided in conjunction with the native application, the event data is maintained separate from the content data of the content item and displayed in the activity feed by an application separate from the native application of the content item. A sharer account of a content management system may share a link to a non-synchronized (i.e., read-only) version of a content item, with a recipient that already has access to a synchronized (i.e., read-write) version of the content item. This can possibly be due to the sharer forgetting that the recipient already has access to the synchronized version, the sharer finding it more convenient to share the link, and/or due to various other reasons. ... Dropbox Inc

03/23/17 / #20170083871

Event-related document generation

A computer-implemented method, system, and non-transitory computer-readable medium may provide event attendees of a network-accessible calendar with a way to generate collaborative notes for a meeting related to an event. In some embodiments, a calendar entry in a network-accessible calendar may be identified. ... Dropbox Inc

03/23/17 / #20170083348

Method and system for an adaptive contextual instruction tool

A system and method for increasing user engagement with an online service. The system includes a contextual instruction tool that teaches users about features of the online service. ... Dropbox Inc

03/16/17 / #20170078395

Content item synchronization by block

A content management system synchronizes content items across client computing systems. The content items are transmitted to the content management system and managed as blocks of data with a fixed size. ... Dropbox Inc

03/16/17 / #20170075889

Providing a content preview

A content preview of a content item stored in an online storage system can be viewed on a client device without the content item itself being downloaded to the client device and without the use of software associated with the content item being installed on the client device. Furthermore, data storage and processing requirements can be minimized by creating and storing only one content preview for each unique content item. ... Dropbox Inc

03/02/17 / #20170060892

Search-based shareable collections

An example method includes identifying one or more content items in a first user account according to a first search string. The example method can then include storing a pointer to each of the one or more content items in the first user account in a shared folder, the shared folder allowing the first user account or a second user account to access the one or more content items in the first user account. ... Dropbox Inc

02/23/17 / #20170052969

File-level commenting

Various embodiments provide a commenting system for multiple users to provide and share comments to shared content items. For example, users can share a web link to a collection of content items, such as documents, spreadsheets, photos, and any other media, with other users stored in an online content management system. ... Dropbox Inc

02/16/17 / #20170048332

Systems and methods for maintaining local virtual states pending server-side storage across multiple devices and users and intermittent network connections

Systems, methods, and non-transitory computer readable media are provided for maintaining local virtual states pending server-side storage across multiple devices and users and intermittent network connections. In exemplary embodiments, content added by a user to his or her account locally on a user device may be displayed, and all interactivity therewith may be facilitated, as if the content had already been created on the content management system. ... Dropbox Inc

02/16/17 / #20170048315

Content item sharing and synchronization system with team shared folders

A content item sharing and synchronization system providing team shared folders is described. Users of the system have access to the team shared folder simply by being a member of a team. ... Dropbox Inc

02/16/17 / #20170048271

Random identifier generation for offline database

Various embodiments of the present technology involve creating a secure unique identifier for a content item to be used in a synchronized content management system while off-line with the synchronized content management system. In some embodiments, securing the unique identifier involves generating a random key and applying a hash function to an input to generate a hash. ... Dropbox Inc

02/16/17 / #20170046595

Duplicate/near duplicate detection and image registration

Embodiments are disclosed for detecting duplicate and near duplicate images. An exemplary method includes receiving an original image, preparing the image for fingerprinting, and calculating an image fingerprint, the fingerprint expressed as a sequence of numbers. ... Dropbox Inc

02/16/17 / #20170046415

Techniques for administering comingled content items

Techniques for assisting owners to remotely administer their digital content items stored at non-owners' personal computing devices. The techniques involve identifying owned content items from among content items stored in a synchronization replica that is synchronized with synchronization replicas at the non-owners' personal computing devices. ... Dropbox Inc

02/09/17 / #20170039168

Embedding dynamic content item preview

A content management system including a document management system provides documents that include previews of folders in the content management system. The folder preview interface saved in the document is persistent despite changes to the folders stored by the content management system. ... Dropbox Inc

02/02/17 / #20170032373

Content item delivery for payment

Various embodiments of the present technology involve the delivery of digital content via a synchronized content management system (cms) in return for a payment. For example, a first user could send a share link containing a content item to a second user. ... Dropbox Inc

01/26/17 / #20170026379

Proxy authorization of a network device

Some methods enable a first device to assist a second device in becoming authenticated with a content management system. The content management system can receive user credentials or an elevated access token from the first device. ... Dropbox Inc

01/12/17 / #20170011084

Multi-user search system using tokens

A multi-user search system with methodology for instant indexing. In one embodiment, for example, a system for instant indexing includes a token store storing sets of tokens for current versions of documents. ... Dropbox Inc

01/05/17 / #20170006102

Automatic file storage and sharing

Described embodiments enable the automatic uploading and sharing of objects via a content management system (cms). A user of a client device may request to share an object via a user interface. ... Dropbox Inc

01/05/17 / #20170005974

Coordinated notifications across multiple channels

A server system can provide coordinated event-based notifications to a target user across multiple notification channels. The selection of channels for a particular notification can be based on the type of event underlying the notification, user preferences related to delivery of notifications, and the like. ... Dropbox Inc

01/05/17 / #20170003870

Cross-application content item management

Techniques for cross-application content item management. In one embodiment, for example, a method comprises detecting a touch gesture related to a representation of a content item displayed by a first application. ... Dropbox Inc








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