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Hewlett packard Development Company L p
Hewlett packard Development Company L p_20100107
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Hewlett packard Development Company L p patents


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

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Three-dimensional object representation

Methods and apparatus for three-dimensional object representation are described. In an example, data representing a three-dimensional object is received, the data comprising an object property description associated with each of a plurality of locations within the object. Distinct object property descriptions are identified and a data object, which has a... Hewlett packard Development Company L p

Modular print engine unit

A modular print engine unit for independently operable use in a media-wide array printer comprises multiple printhead modules, each printhead module comprising multiple printing dies and each printing die comprising multiple nozzles. The modular print engine unit further comprises a printing fluid supply system to feed, in use, printing fluid... Hewlett packard Development Company L p

Supply authentication via timing challenge response

In an example implementation, a print supply cartridge comprises a microcontroller to receive a timing challenge and enable authentication of the cartridge by providing a challenge response. The challenge response is provided in a challenge response time that falls within an expected time window.... Hewlett packard Development Company L p

Dryer control in a printer

In one example, a processor readable medium having instructions thereon that when executed cause a printer controller to monitor a temperature of a dryer in the printer, continue to apply power to a heating element in the dryer after executing a first print job and before executing a second, next... Hewlett packard Development Company L p

White inks

The present disclosure provides an example of a white ink. The ink includes an aqueous ink vehicle and from 5 wt % to 60 wt % of a white flocculated colorant mass. The white flocculated colorant mass can include white metal oxide pigment having an average particulate size from 100... Hewlett packard Development Company L p

Dampening a hinged component

According to an example a dampening system for a hinged component may include a spring having a first end hooked onto a chassis and a second end hooked onto to a strap, in which the strap is connected to the hinged component. The dampening system may also include a curved... Hewlett packard Development Company L p

Liquid level indicating

Examples provide a series of heaters supported at different depths within the volume. A series of temperature sensors is supported at different depths within the volume. The temperature sensors output signals indicative of dissipation of heat from the heaters to indicate a level of the liquid within the volume.... Hewlett packard Development Company L p

Connection identification

Example implementations relate to connection identification. For example, a system for connection identification may include determining that a source of a received first beacon is within a proximity of a user device, comparing a portion of the received first beacon to a portion of a received second beacon associated with... Hewlett packard Development Company L p

Cancel voltage offset of operational amplifier

A system according to examples of the present disclosure includes a battery charger electrically coupled to a battery and a battery charging circuit. The battery charging circuit includes an operational amplifier having a negative input to receive a pre-bias voltage, a positive input, an output, and a voltage offset. The... Hewlett packard Development Company L p

Synchronized look-up table loading

Examples relate to providing synchronized look-up table loading. In some examples, a print job is processed using an initial look-up table in processor memory. In response to the processing of the print job reaching a buffer trigger row of a portion of the print job, look-up metadata is accessed to... Hewlett packard Development Company L p

Corner shearing device

In an example implementation, a corner shearing device comprises multiple cutting profiles that are simultaneously active to each engage a distinct piece of sheet material.... Hewlett packard Development Company L p

Corner punch device

In an example implementation, a corner punch device includes a base and a handle rotatably coupled to the base. A die piece is fixed to the base, and a punch piece is moveable by the handle toward the die piece. The punch piece comprises multiple punch profiles that are active... Hewlett packard Development Company L p

Bubbler

A cartridge may include a fluid reservoir, a print head to eject fluid from the reservoir through nozzles and bubblers. The print head may include a fluid feed slot to supply fluid from the reservoir to the nozzles. The bubblers are opposite the fluid feed slot.... Hewlett packard Development Company L p

Printing material cartridge

In one example, a printing material cartridge includes a container to contain a printing material and a memory to enable an exchange of information between the cartridge and a printer controller when the cartridge is installed in a printer. The memory includes a first write once then read only memory... Hewlett packard Development Company L p

Skewing print medium

In one example implementation, a printing device may comprise a number of media skewing rollers to skew a print medium to a predetermined angle with respect to a media feed path and a print engine to print an image on the skewed print medium, the print engine skewing a digital... Hewlett packard Development Company L p

Ink composition

The present disclosure relates to an ink composition containing a colorant; a hydroxylated co-solvent; a non-hydroxylated co-solvent, a polyurethane binder and water. The weight percent ratio of the hydroxylated co-solvent to the non-hydroxylated co-solvent in the ink composition ranges from 55:45 to 65:35; and the total amount of hydroxylated co-solvent... Hewlett packard Development Company L p

Determining a pausing point in printing

In examples a printing system comprises a controller and a printing device. The controller is to divide a print job into a sequence of areas, wherein an image property varies between adjacent areas. The controller is to determine a pausing point to be within a runout area at which a... Hewlett packard Development Company L p

Audio and video processors

An example electronic device includes: an audio and video (AV) processor, a computer subsystem, a control mechanism, and a media playing device. The AV processor includes an AV input port to receive external AV signals from an external media source. The computer subsystem is to provide internal AV signals to... Hewlett packard Development Company L p

Data channel allocation

Examples disclosed herein relate to data channel allocation. An example includes an apparatus, including a resource to connect to a controller in a first state and a peripheral card in a second state. Example apparatus include a controller to control a connection to an interface card and to connect to... Hewlett packard Development Company L p

Configuring printer operation using colorant information on colorant units

A printer apparatus comprises one or more ports (2011 to 201M) for receiving one or more colorant units (INK1 to INKN), and a processing unit. The processing unit is adapted to determine which one or more colorant units (INK1 to INKN) have been loaded into the printer apparatus. The processing... Hewlett packard Development Company L p

Priming agent distributors while generating three-dimensional objects

In some examples, an agent distributor may be to selectively deliver agent through nozzles of the agent distributor to portions of layers of build material in patterns derived from agent delivery control data representing slices of a three-dimensional object such that the portions are to solidify to form the slices... Hewlett packard Development Company L p

Combining structures in a three-dimensional object

Certain examples described herein relate to the use of three-dimensional threshold matrices in the production of three-dimensional objects. In one case, data values for a three-dimensional matrix for use in halftoning are assigned based on a structural volume coverage representation. In certain described cases, the structural volume coverage representation defines... Hewlett packard Development Company L p

Printhead waveform voltage amplifier

In some examples, a drive signal generator for a fluid ejection element of a piezoelectric printhead, includes a core amplifier to amplify an input waveform to provide an amplified waveform, and a plurality of rail power circuits, each coupled to a different power input of the core amplifier. Each rail... Hewlett packard Development Company L p

Memory for a printing material cartridge

In one example, an article for a printing material cartridge includes a memory to enable an exchange of information between the cartridge and a printer controller when a cartridge with the article is installed in a printer. The memory includes a first write once then read only memory with a... Hewlett packard Development Company L p

Authentication value for a fluid ejection device

A fluid ejection device includes a plurality of analog devices, and a storage element storing an authentication value based on electrical characteristics of a subset of the plurality of analog devices.... Hewlett packard Development Company L p

Aqueous pigment co-dispersions

The present disclosure is drawn to aqueous pigment co-dispersions. The co-dispersions include self-dispersed pigment with a chemically modified surface; released surface moieties from the self-dispersing pigment; pigment powder having the released surface moieties associated with pigment powder surfaces; polymeric dispersant; and water.... Hewlett packard Development Company L p

Non-newtonian white inks

The present disclosure provides an example where a non-Newtonian white ink can include an aqueous ink vehicle, from 5 wt % to 60 wt % of white colorant, and from 0.1 wt % to 5 wt % of amphoteric alumina particles dispersed in the aqueous ink vehicle. The white colorant... Hewlett packard Development Company L p

Primer compositions

The present disclosure is drawn to primer compositions, which can include a polyvinyl alcohol, a cationic salt, and water. The polyvinyl alcohol can be present in an amount of at least 8 wt % of all dry components of the primer composition. The cationic salt can be present in an... Hewlett packard Development Company L p

Primer compositions

The present disclosure is drawn to primer compositions which can include a binder including polyvinyl alcohol, starch nanoparticles, and a polymer latex dispersion. The primer competitions can also include a wax, a cationic salt, and water.... Hewlett packard Development Company L p

Pressure sensitive stylus

In one implementation, a pressure sensitive stylus may receive, at a controller, drawing area coordinates, a stroke pressure from a voltage generated by a piezoelectric crystal, and a stylus coordinate direction from a plurality of fiber optic sensors, determine a drawing area from a wireless signal frequency corresponding to the... Hewlett packard Development Company L p

Appointment connection

Examples associated with appointment connection are described. One example includes receiving an unprompted signal from a dedicated hardware input. The dedicated hardware input is associated with initiating a call. A calendar is scanned for a temporally relevant appointment. The temporally relevant appointment is scanned for connection information regarding the appointment.... Hewlett packard Development Company L p

Capturing images provided by users

In an example implementation according to aspects of the present disclosure, a method may include capturing an image from a mat or from an object physically disposed on the mat, and comparing the captured image to an image projected by a projector assembly onto the mat or onto the object.... Hewlett packard Development Company L p

Printable media

A printable media comprising a composite supporting substrate, having an image side and a non-image side, that contains a first and a second constituent material layers wherein, at least, one of the constituent material layer is a fiber layer and wherein the first and the second materials layers are laminated... Hewlett packard Development Company L p

Roller dampers

In examples provided herein, a roller damper comprises a damper body element having mass and having a shape to fit an interior of a tubular roller element. The roller element is associated with a natural frequency. The roller damper also comprises an elastomer support member coupled to the damper body... Hewlett packard Development Company L p

Portable document format file custom field

Examples include assembly of a portable document format file including encrypted content, unencrypted content, and/or alternative content. In an example, metadata, data block(s), and a content map are signed and stored in, or assembled into, a custom field or fields of the portable document format file. The metadata, data block(s),... Hewlett packard Development Company L p

03/22/18 / #20180082124

Keyframe annotation

Examples associated with keyframe annotation are disclosed. One example includes extracting a set of keyframes from a video presentation. A subset of the keyframes is selected to present to a user based on a user preference. Annotations are generated for the subset of the keyframes. The annotations are personalized to... Hewlett packard Development Company L p

03/22/18 / #20180082310

Identification of regions including unauthorized products

Methods and apparatus to identify regions including unauthorized products are disclosed. A processor is to access a request for verification of authenticity of a product transmitted from a remote computing device. The request includes verification data and location data. The location data is based on global positioning satellite information generated... Hewlett packard Development Company L p

03/22/18 / #20180084028

Display of operating status information of a client in a remote desktop session

Example embodiments relate to the display of operating status information in a remote desktop session. In example embodiments, a client transmits operating status information to a server via a remote desktop session established with the server. In response, the client may receive graphics information including displayed status information inserted by... Hewlett packard Development Company L p

03/22/18 / #20180084156

Enhance highlighter color in scanned images

Examples herein involve retrieving a color transformation from a highlighter color transform, and processing an image using the color transformation to enhance highlighter colors in the image, the image scanned by a scanner using strobed illumination.... Hewlett packard Development Company L p

03/22/18 / #20180084262

Image histogram compression end point pair selection based on a target color space range

Examples disclosed herein relate to selecting an image histogram compression end point pair based on a target color space range. Examples disclosed herein may select a histogram compression end point pair from a list of histogram compression end point pairs related to a target color space range where the selection... Hewlett packard Development Company L p

03/15/18 / #20180071985

Supplying build material

A method of delivering build material from a build material store (404) to a supply module (102). The method comprises moving, using a rotatable vane (116), a portion of build material from the supply module (102) to the top of the supply module (102), and spreading the moved portion of... Hewlett packard Development Company L p

03/15/18 / #20180071988

Three-dimensional printing systems

Examples relate to defining layers for generating three-dimensional objects. In the examples herein, a grid is obtained to represent a layer of a three-dimensional object. A boundary portion of the grid is defined, representing a surface portion of the three-dimensional object. A binding agent load is assigned to the boundary... Hewlett packard Development Company L p

03/15/18 / #20180072059

Piezoelectric fluid ejection assembly

In some examples, a piezoelectric fluid ejection assembly includes a micro-electro mechanical system (MEMS) die including a plurality of nozzles, a first application-specific integrated circuit (ASIC) die electrically connected to the MEMS die, and a second ASIC die electrically connected to the MEMS die. The first ASIC die includes a... Hewlett packard Development Company L p

03/15/18 / #20180072061

Wiper with bias members

In an example, a print apparatus may include a print head assembly and a maintenance cartridge. An example maintenance cartridge may include a wiper system. An example wiper system may include a web wipe and a plurality of independently biased members adjacent each other with respect to a width of... Hewlett packard Development Company L p

03/15/18 / #20180072585

White pigment dispersions

A method for manufacturing low effective density TiO2 includes providing a template having a surface. The template surface is coated with a titanium-containing compound that can be reduced to TiO2 at high temperature. The template is removed, thereby forming porous TiO2 particles. The effective density of the porous TiO2 particles... Hewlett packard Development Company L p

03/15/18 / #20180072845

Polymeric amine synergist compositions

The present disclosure is drawn to polymeric amine synergist compositions. The polymeric amine synergist composition can include a polymeric amine synergist including an aminobenzene modified with a polyether chain connecting to the aminobenzene through an ether linkage. The polymeric amine synergist can be present in a reaction product mixture with... Hewlett packard Development Company L p

03/15/18 / #20180077115

Alias strings

Examples disclosed herein relate, among other things, to a computing device. The computing device may include an alias engine to obtain an identifier of an electronic device, to determine, based on the identifier, at least one dictionary term, and generate, based on the dictionary term, an alias string. The computing... Hewlett packard Development Company L p

03/15/18 / #20180077315

Digital image scaling

Examples include computing devices, processes, and/or machine-readable storage mediums. Examples analyze a region of pixels for a digital image to determine a set of diagonal direction pixel differences corresponding to a target pixel. Examples analyze the region of pixels to determine diagonal variances corresponding to the target pixel. Examples scale... Hewlett packard Development Company L p

03/08/18 / #20180065297

Coalescing agent concentrations and contone densities for three- dimensional objects

In some examples, at least one agent distributor may be to selectively deliver mixtures of coalescing agent and carrier onto portions of a layer of build material at variable coalescing agent concentrations and variable contone densities. A controller may be to control the at least one agent distributor to selectively... Hewlett packard Development Company L p

03/08/18 / #20180065362

Addressing pigment settling defects in tij by using natural convection to stir the ink

A heating device along a slot of a print head is selectively actuated to form temperature gradients within fluid along the slot to facilitate convective fluid flow within and along the slot.... Hewlett packard Development Company L p

03/08/18 / #20180065374

Molded printhead

In one example, a molded printhead includes a printhead die in a molding having a channel therein through which fluid may pass directly to a back part of the die. The front part of the die is exposed outside the molding surrounding the die. Electrical connections are made between terminals... Hewlett packard Development Company L p

03/08/18 / #20180065822

Torque control in a sheet media pick mechanism

In one example, a torque control system for a sheet media pick mechanism to move a top sheet of media from a stack of media sheets into a nip between a pick roller and a separator roller. The torque control system includes a sensor to sense a number of consecutive... Hewlett packard Development Company L p

03/08/18 / #20180067706

Service routine based supply replacement determination

Examples include printing devices configured for use with a plurality of replaceable supplies. A remaining amount of printing material may be monitored for each replaceable supply. A set of one or more replaceable supplies to be replaced may be determined based at least in part on the remaining amount of... Hewlett packard Development Company L p

03/08/18 / #20180067751

Mass storage medium having an operating system but not a partition table pre-installed

In one example, a computing device including a mass storage medium. The mass storage medium has a pre-installed operating system but no pre-installed partition table. The mass storage medium has pre-installed boot software to generate and store a partition table on the mass storage medium. The partition table is usable... Hewlett packard Development Company L p

03/08/18 / #20180068003

Updating a local instance of a shared drive

A schema for a shared drive can be updated so as to be current at multiple instances over a given duration. A schema of a given device that implements an outdated instance of the shared drive is matched to the schema of a prior version of the shared drive on... Hewlett packard Development Company L p

03/08/18 / #20180069730

Recovering independent waveforms from input bitstream data

An example device in accordance with an aspect of the present disclosure includes a non-linear compensator, an interpolator, a demultiplexer, and a demodulator. The non-linear compensator is to correct a non-linearity of the input bitstream data to obtain linearized bitstream data. The interpolator is to convert a non-constant sample rate... Hewlett packard Development Company L p

03/08/18 / #20180069982

Print frames creation

An example system includes a controller. The controller is to determine a first end point of a previous frame in a first image. The first image is to be printed on a first ribbon. The controller is to determine a second end point of the previous frame in a second... Hewlett packard Development Company L p

03/01/18 / #20180056649

Dual-mode inkjet nozzle operation

An inkjet printhead includes an inkjet nozzle with a main actuator and a peripheral actuator in a firing chamber. A determination is made as to whether the inkjet nozzle has sat idle, e.g., not firing for a threshold period of time. When the inkjet nozzle has sat idle, both the... Hewlett packard Development Company L p

03/01/18 / #20180057295

Movable arm

In one example in accordance with the present disclosure a device to detect media being wound around a wheel is described. The device includes a reel that collects the media and a movable arm pivotally coupled to the reel to provide tension to the media being wound around the reel.... Hewlett packard Development Company L p

03/01/18 / #20180059226

3d scan tuning

Examples relate to three-dimensional (3D) scan tuning. In some examples, preliminary scan data is obtained while the real-world object is continuously rotated in view of a 3D scanning device, where the 3D scanning device performs a prescan to collect the preliminary scan data. The preliminary scan data is then used... Hewlett packard Development Company L p

03/01/18 / #20180061120

Generating three dimensional models

Examples relate to capturing and processing three dimensional (3D) scan data. In some examples, 3D scan data of a real-world object is obtained while the real-world object is repositioned in a number of orientations, where the 3D scan data includes 3D scan passes that are each associated with one of... Hewlett packard Development Company L p

03/01/18 / #20180061189

Alarm event determination via microphone arrays

Examples disclosed herein provide the ability to communicate alarm events on a premises to client devices remotely located with respect to the premises. In one example, a monitoring device extracts a sound originating from the premises, wherein the sound is detected by microphones of a microphone array. The monitoring device... Hewlett packard Development Company L p

03/01/18 / #20180062936

Display of server capabilities

Examples disclosed herein relate to displaying server capabilities. Some examples disclosed herein may enable obtaining, by a client computing device, a set of server capabilities supported by a server computing device. A remote connection may be established between the server computing device and the client computing device. Some examples disclosed... Hewlett packard Development Company L p

03/01/18 / #20180063567

Mimicking television displays

One example of a system includes a control device communicatively coupled to a color capable light bulb. The control device stores television show viewing information. The color capable light bulb is controlled by the control device to mimic a television display based on the stored television show viewing information.... Hewlett packard Development Company L p

02/22/18 / #20180050492

3d printing system and method

According to one example there is provided a 3D printing system (300) comprising a build material measurement module (310) to determine a level of contraction of a solidified portion of a layer of build material. The system further comprises a controller (312) to determine if the determined level of contraction... Hewlett packard Development Company L p

Patent Packs
02/22/18 / #20180050493

Build material analysis

According to one example there is provided a build material measurement module to determine build material characteristics from a build material to be analyzed.... Hewlett packard Development Company L p

02/22/18 / #20180050537

Printhead employing data packets including address data

A printhead includes an address line, data lines, a fire pulse line, and a plurality of primitives, each primitive corresponding to a different data line and including a plurality of activation devices, each activation device corresponding to a different address of a set of addresses. A buffer receives data packets,... Hewlett packard Development Company L p

02/22/18 / #20180050548

Drying control

In one example, a printer includes a paper path having a drying area, a printhead near the paper path upstream from the drying area, and a convection dryer to force air simultaneously into an upstream part of the drying area at a first density and into a downstream part of... Hewlett packard Development Company L p

02/22/18 / #20180052064

Object generation temperature measurement

In some examples, a method comprises sensing a temperature of a plurality of sub-regions of a portion of a layer of build material in an object generation apparatus. A frequency distribution of sub-region temperatures may be derived therefrom and it may be determined whether the frequency distribution is bimodal. If... Hewlett packard Development Company L p

02/22/18 / #20180052447

Structure using three-dimensional halftoning

Certain examples described herein relate to the use of three-dimensional threshold matrices in the production of three-dimensional objects. In one case, data values for a three-dimensional matrix for use in halftoning are assigned based on a structural volume coverage representation. In certain described cases, the structural volume coverage representation defines... Hewlett packard Development Company L p

02/22/18 / #20180052642

Print format version with overlaid machine-readable link

Examples disclosed herein relate to generating a print format version with an overlaid machine-readable link. As an example, a set of machine-readable links assigned to a user account from a remote repository is obtained. In response to a print command associated with the user account, one machine-readable link from amongst... Hewlett packard Development Company L p

02/22/18 / #20180052674

Data copying

An example system includes a storage device. The system also includes a file creation component to create a blank file on the storage device. The system further includes a block copy component to edit the blank to include a block-for-block copy of a boot partition. The system further includes a... Hewlett packard Development Company L p

02/22/18 / #20180052947

Lattice structure representation for a three-dimensional object

Certain described examples relate to the generation of data for use in producing a three-dimensional object. Certain examples utilize lattice indexes to define a lattice associated with a particular portion of the three dimensional object. The lattice index may be used in a matrix generation operation that compares index values... Hewlett packard Development Company L p

02/22/18 / #20180054471

Hardware bus redirection

Examples disclosed herein relate to hardware bus redirection. Some examples disclosed herein may include storing, in a data storage, a connection type associated with a resource locator and obtaining an indication that a web browser connection comprising the resource locator has been initiated at the computing device. In response to... Hewlett packard Development Company L p

02/15/18 / #20180043356

Microfluidic temperature control

A device includes a microfluidic channel structure on a substrate and a first resistive structure on the substrate to control the temperature of at least the substrate. The first resistive structure is separate from, and independent of the, microfluidic channel structure. In some instances, the device includes a second resistive... Hewlett packard Development Company L p

02/15/18 / #20180043362

Target constituent location and discharge

A fluid exit passage is at a location along a microfluidic channel. A fluid displacement device is proximate the location along the microfluidic channel. A constituent locator distinguishes a target constituent in a fluid within the microfluidic channel from remaining non-target constituents and locate the target constituent proximate the fluid... Hewlett packard Development Company L p

02/15/18 / #20180043686

Inkjet printhead device, fluid ejection device, and method thereof

An inkjet printhead device, fluid ejection device and method thereof are disclosed. The fluid ejection device includes a fluid supply chamber to store fluid, an ejection chamber including a nozzle and a corresponding ejection member to selectively eject the fluid through the nozzle, and a channel to establish fluid communication... Hewlett packard Development Company L p

02/15/18 / #20180043687

Microfluidic optical fluid sensor

Provided in one example is an apparatus, including a substrate supporting a microfluidic channel, a bubble jet inertial pump supported by the substrate adjacent the microfluidic channel to pump fluid through the microfluidic channel and an optical sensor on a first side of the microfluidic channel. A light emitter on... Hewlett packard Development Company L p

02/15/18 / #20180045562

Optical spectrometer

Provided in one example is an apparatus, including a microfluidic channel supported by a substrate. An optical spectrometer includes a waveguide supported by the substrate. The waveguide includes a coupler and outcouplers. A light source directs light to the coupler of the waveguide. Optical sensors are supported by the substrate.... Hewlett packard Development Company L p

02/15/18 / #20180046795

Protecting data in memory of a consumable product

A non-transitory memory storing a digital signature of a consumable product where the digital signature indicates that an identifier and host device setting data are from a trusted source.... Hewlett packard Development Company L p

Patent Packs
02/15/18 / #20180047182

System and processing depth images which capture an interaction of an object relative to an interaction plane

In some examples, a computing device processes depth images to capture an interaction of an object relative to an interaction plane.... Hewlett packard Development Company L p

02/15/18 / #20180047860

Color changing apparatuses with solar cells

The present disclosure provides a color changing apparatus. The color changing apparatus includes a solar cell assembly to absorb solar energy and converse the solar energy to thermal energy or electromagnetic radiation. The color changing apparatus also includes a color changing element to be in contact with the solar cell... Hewlett packard Development Company L p

02/08/18 / #20180036947

Generating a three-dimensional object

According to one example, there is provided a system for generating a three-dimensional object. The system comprises a carriage to move bi-directionally along a first axis relative to a support platform. The carriage is to receive, or have installed thereon, a plurality of modules each to perform an operation from... Hewlett packard Development Company L p

02/08/18 / #20180036949

Misalignment detection for a 3d printing device

Misalignments of a 3d printing device may be detected by providing a reference pattern in a print zone of the 3d printing device, wherein the reference pattern comprises a plurality of reference marks, printing a test pattern on the reference pattern by means of the 3d printing device, and comparing... Hewlett packard Development Company L p

02/08/18 / #20180036950

Determining a parameter of a process associated with a 3d printing process

A method for determining a parameter of a process associated with a 3D printing process provided. A first amount corresponding to an object of fused powder surrounded by non-fused powder is used. The first amount is separated into a second amount of non-fused powder and a third amount corresponding to... Hewlett packard Development Company L p

02/08/18 / #20180039308

Electronic device having a coolant

An electronic device includes a housing enclosure, which at least sealingly contains an electronic component, a barrier, a pump, and a coolant. The electronic component is located on a substrate, while the barrier defines a circulation loop in which the coolant is exposed to the electronic component. The pump is... Hewlett packard Development Company L p

02/08/18 / #20180039343

Stylus pen housing with movable connector device

Example implementations relate to a pen housing with a movable connector device. For example, a housing may include at least one wall capable of surrounding a stylus pen and a movable connector device affixed to an inner portion of the at least one wall. The movable connector device may include... Hewlett packard Development Company L p

02/08/18 / #20180039549

Storage systems

The present subject matter relates to storage systems. In an example method, a write request is received from a computing device in a data backup mode. Data associated with the write request is written to a primary storage drive of a storage system when the write request is for an... Hewlett packard Development Company L p

02/08/18 / #20180040131

Object data representations for additive manufacturing

In an example, three-dimensional (3D) models of objects are combined for additive manufacturing. Two-dimensional (2D) slices are determined for each 3D model. If the 2D slices are determined to be complete, the 2D slices are combined according to a Boolean operation to generate combined 2D slices printable by an additive... Hewlett packard Development Company L p

02/08/18 / #20180040532

Heat sink

Examples disclosed herein relate to a heat sink. Examples include a thermoconductive base thermally coupled to a device. Examples include a fin thermally coupled to and extending from a first surface of the thermoconductive base to dissipate heat generated by the device. Examples include a heat insulation layer disposed on... Hewlett packard Development Company L p

02/08/18 / #20180041057

Charging devices

Examples of charging devices are described. In an example, a charging device includes a planar supporting structure having a first surface and a second surface, where the first surface includes a plurality of projections extending from the first surface, each of the plurality of projections having a tip end. The... Hewlett packard Development Company L p

02/01/18 / #20180029032

Microfluidic transport

A device for microfluidic transport includes a first fluid reservoir, a second fluid reservoir spaced from the first fluid reservoir, a main fluid channel communicated with the first fluid reservoir and the second fluid reservoir, an auxiliary fluid channel communicated with the main fluid channel, and a fluid actuator within... Hewlett packard Development Company L p

02/01/18 / #20180029297

Processing three-dimensional object data for storage

A method is described in which data representing a three-dimensional object to be printed is obtained. The data comprises object property data indicative of properties of the three-dimensional object. Layers within the three-dimensional object to be printed are identified. The obtained data is processed by comparing object property data associated... Hewlett packard Development Company L p

02/01/18 / #20180029355

Controlling advance of print media to deliver printing fluid from plural columns of nozzles

In some examples, a printing system includes a printhead comprising a nozzle array including plural columns of nozzles to deliver printing fluid to a print medium, wherein nozzles in a first column of the columns are offset from nozzles in a second column of the columns. A controller is to... Hewlett packard Development Company L p

02/01/18 / #20180029374

Replaceable integrated printhead cartridge

A replaceable integrated printhead cartridge is provided that comprises a liquid reservoir and a linear nozzle array being disposed in a bottom and extending perpendicular to a longitudinal axis.... Hewlett packard Development Company L p

02/01/18 / #20180029380

Printing device dryer setting

According to an example, an apparatus may include a controller and a non-transitory computer readable medium on which is stored instructions. The instructions may cause the controller to predict that a user is to instruct a printing device to perform a printing operation, in which the printing device includes a... Hewlett packard Development Company L p

02/01/18 / #20180029382

Curing apparatus, image forming apparatus, and articles of manufacture

Curing apparatus, image forming apparatus and articles of manufacture are disclosed. An example curing apparatus includes a curing unit to heat an area adjacent a substrate travel path, the curing unit having a width less than a width of the substrate travel path, and a controller to reciprocate the curing... Hewlett packard Development Company L p

02/01/18 / #20180030295

Fluid sets for inkjet imaging

The present disclosure is drawn to fluid sets for inkjet imaging and can comprise a white ink and a fixer fluid. The white ink can include an aqueous ink vehicle, from 5 wt % to 50 wt % of a white metal oxide pigment, and from 0.02 wt % to... Hewlett packard Development Company L p

02/01/18 / #20180030976

Pump having freely movable member

A pump includes a main chamber and a pair of valves on opposite ends of the main chamber. At least a portion of the respective valves and of the main chamber is formed from a single, unitary piece. The respective valves each contain a freely movable member to permit selective... Hewlett packard Development Company L p

02/01/18 / #20180030977

Pump having freely movable member

A pump includes a main chamber and a pair of valves on opposite ends of the main chamber. The respective valves each contain a freely movable member to selectively open and close each respective valve, wherein the freely movable member is formed from at least some of the same material... Hewlett packard Development Company L p

02/01/18 / #20180032059

Method for generating three dimensional object models for an additive manufacturing process

The application refers to a method for generating three-dimensional object models for an additive manufacturing process in a layer-by-layer manner, e.g. 3D-printing, and to generating control data for use by the print apparatus. The object models are generated from a geometric description and from object generation data, which comprise the... Hewlett packard Development Company L p

02/01/18 / #20180032060

Creating a voxel representation of a three dimensional (3-d) object

An example technique for creating a voxel representation of a three dimensional (3-D) object can include obtaining a shape specification of a 3-D object and a number of 3-D objectives. The example technique for creating a voxel representation of the 3-D object can also include creating a voxel representation of... Hewlett packard Development Company L p

02/01/18 / #20180032449

Access to persistent memory regions of computing devices

Examples disclosed herein provide the ability for a non-system application to gain controlled access to a persistent memory region of a computing device. In one example method, the computing device creates a group identifier that has permission only to a specific location under the persistent memory region. The computing device... Hewlett packard Development Company L p

02/01/18 / #20180032808

Routing image frames to element detectors

Examples disclosed herein relate to image recognition instructions to receive a plurality of image frames, route each of the plurality of image frames to at least one of a plurality of element detectors, determine whether the respective one of the plurality of element detectors has recognized an embedded element and,... Hewlett packard Development Company L p

02/01/18 / #20180033769

Stacked photodetectors

In examples provided herein, an optical fiber distribution node stacked photodetector can include a stack of photodetector structures. The photodetector structures are arranged in positions in the stack corresponding to penetration depths associated with corresponding wavelength ranges. The stacked photodetector can also include a controller coupled to the stack of... Hewlett packard Development Company L p

02/01/18 / #20180034702

Bandwidth allocation

Example implementations relate to bandwidth allocation. For example, a system for bandwidth allocation may include a first computing device in communication with an intermediary device and a host. The first computing device may monitor an amount of bandwidth consumed by the first computing device and alter an amount of bandwidth... Hewlett packard Development Company L p

02/01/18 / #20180035056

Tracking a target with an imaging system

A method and system are provided for tracking a target with an imaging system. An example of a method includes activating a transmitter on the target. A detector system is activated on the imaging system. A signal from the transmitter is received at the detector system and an imaging device... Hewlett packard Development Company L p

02/01/18 / #20180035310

Routing signals based on an orientation of devices with respect to each other

Examples disclosed herein provide for the detection of an orientation of devices with respect to each other. Based on the orientation, one of the devices may route signals between wireless communication units of the devices, so that wireless communication units from one of the devices to make contact with the... Hewlett packard Development Company L p








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