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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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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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Multi-processor computing systems

A multi-processor computing system comprising a second processing device to generate outgoing data packets and comprising a second network stack to save the outgoing data packets in a second outgoing packet buffer of the second processing device. A second network driver to save an outgoing buffer pointer in a second... Hewlett packard Development Company L p

01/25/18 / #20180027137

Automatic document feeder

An automatic document feeding system includes an image reader including an optical window and a light source illuminating the optical window, and an automatic document feeder including a reflective flag positioned within a viewing region of the optical window.... Hewlett packard Development Company L p

01/25/18 / #20180021776

Voltage upconverter

A system may comprise a voltage upconverter, a universal serial bus (USB) connector to receive an input voltage from a USB port on a computing device, and a microfluidic diagnostic chip communication link to electrically couple the voltage upconverter to a microfluidic diagnostic chip wherein the voltage upconverter is to... Hewlett packard Development Company L p

01/25/18 / #20180021777

Fluid testing chip and cassette

A fluid testing cassette may comprise a microfluidic channel extending having a constriction and a micro-fabricated integrated sensor within the constriction. In one implementation, the constriction is less than or equal to 30 μm. In one implementation, the cassette further comprises a nozzle connecting the microfluidic channel to the discharge... Hewlett packard Development Company L p

01/25/18 / #20180021778

Vented microfluidic reservoirs

Vented microfluidic reservoirs can include a housing and a vent coupled to the housing to vent air associated with a fluid sample communicated into the housing to an environment surrounding a microfluidic device coupled to the housing.... Hewlett packard Development Company L p

01/25/18 / #20180022025

Three-dimensional (3d) printing

A three-dimensional (3D) printing method includes applying a build material, including: a plurality of first reactive particles; a plurality of second reactive particles, the first and second reactive particles to react with each other upon contact there with; and a coating on i) the plurality of first reactive particles; or... Hewlett packard Development Company L p

01/25/18 / #20180022028

An apparatus and a determining a quantity of material

According to one example, there is provided a method of determining characteristics of a build material. The method comprises obtaining a first quantity of a first build material, determining, for the first build material, the proportion of non-marked build material and marked build material, determining, based on the determined proportion,... Hewlett packard Development Company L p

01/25/18 / #20180022029

3d object data

Methods and apparatus relating to representation of a three-dimensional object are described. In an example, a converter for converting input object data representing a model of a three-dimensional object into a compressed form is provided. The converter comprises a data receiving module to receive data representing object properties of a... Hewlett packard Development Company L p

01/25/18 / #20180022030

Setting properties of three-dimensional objects

A method for setting properties of a three-dimensional object in an additive manufacturing process, e.g. 3D-Printing, in which data representing a three-dimensional object to be printed is obtained. The data comprises sub-volumes representing the three-dimensional object. The position of the sub-volumes in the three-dimensional object is identifyied by a positional... Hewlett packard Development Company L p

01/25/18 / #20180022082

Dryers for printed media

Dryers (300) comprising a first surface (102) and a deflector (302). The first surface comprises at least one opening (104) through which air is forced during use to dry a printed media and the deflector comprises (302) a second surface to change the direction of airflow passing through the at... Hewlett packard Development Company L p

01/25/18 / #20180022091

Printer fluid impedance sensing in a printhead

In some examples, a printhead includes a firing chamber to receive printer fluid, an ejector positioned in the firing chamber to eject printer fluid droplets from the printhead, and a nozzle in fluid communication with the firing chamber. The printhead can further include an impedance sensor positioned in the firing... Hewlett packard Development Company L p

01/25/18 / #20180022098

Removing segment of a metal conductor while forming printheads

An example of a method of forming a printhead includes forming first and second resistors over a first dielectric, forming a first portion of a second dielectric over the first and second resistors and a second portion of the second dielectric over an exposed inclined surface of the first dielectric... Hewlett packard Development Company L p

01/25/18 / #20180022100

Printer with particle diverting

A printer includes a print media transport to transport a print media through a print zone, the transport of the print media to produce airborne particles, and a particle diverter to divert the airborne particles away from the print zone from a vicinity of the print media transport.... Hewlett packard Development Company L p

01/25/18 / #20180022102

Printing device and support member for printing device

Provided is a printing apparatus having a support member with a printhead slot, a first tubing to provide a first printing fluid, and a second tubing to provide a second printing fluid. An end portion of the first tubing is arranged in an active position to provide the first printing... Hewlett packard Development Company L p

01/25/18 / #20180022103

Printheads with eprom cells having etched multi-metal floating gates

In one example in accordance with the present disclosure a printhead with a number of EPROM cells is described. The printhead deposits fluid onto a print medium. The printhead also includes a number of EPROM cells. Each EPROM cell includes a substrate having a source and a drain disposed therein,... Hewlett packard Development Company L p

01/25/18 / #20180022106

Fluid ejection device

A fluid ejection device includes a fluid slot, a first fluid ejection chamber communicated with the fluid slot and including a first drop ejecting element, a second fluid ejection chamber including a second drop ejecting element, and a fluid circulation path including a first portion communicated with the fluid slot... Hewlett packard Development Company L p

01/25/18 / #20180022116

Determining printer platen type

In one example, a printer having a removably-installable platen. The platen has a platen type. A surface of the platen has a feature that is indicative of the platen type. The printer includes a single platen-type-discriminating sensor. The sensor detects a distinguishing characteristic of the feature. A controller determines the... Hewlett packard Development Company L p

01/25/18 / #20180022118

Target for a printing and cutting process

A method is provided. The method includes printing a target on a medium and defining at least one intended cutting line on the medium. The target includes at least one graphical element which defines at least one reference distance measure. The target is centered at the intended cutting line or... Hewlett packard Development Company L p

01/25/18 / #20180022121

Transmission link assemblies

An assembly comprises at least first and second transmission links. Each transmission link controls movement of a respective element coupled to a first side of the transmission link, under control of a common drive source coupled to a second side of the transmission link. A synchronizing unit is interposed between... Hewlett packard Development Company L p

01/25/18 / #20180022122

Print bar for a multi-pass printer and multi-pass page-wide-array printer

A print bar for a for a multi-pass printer, the print bar comprising a static part configured to extend across a print area of a print target and a moveable part comprising a print bar beam and printer comprising such a print bar.... Hewlett packard Development Company L p

01/25/18 / #20180022127

Discharge of heated fluid from a printer

An apparatus includes a processor to provide a control Signal for a printhead of a printer and a housing including a cavity. The processor is arranged in the cavity. The apparatus has a first opening and a second opening in the housing and in communication with the cavity. The first... Hewlett packard Development Company L p

01/25/18 / #20180022128

Random wave mask generation

Example implementations relate to random wave mask generation. Some examples may distribute data points in a mask area based on a probability density function. The probability density function may have a maximum probability density located at a first edge and a second edge of the mask area. Some examples may... Hewlett packard Development Company L p

01/25/18 / #20180022138

Printable recording media

Disclosed herein is a printable recording media including a substrate and, at least, an ink receiving layer that includes a first distinct layer and a second distinct layer that is applied on top of the first distinct layer. The first distinct layer includes an electrical charged substance and the second... Hewlett packard Development Company L p

01/25/18 / #20180022923

Detailing agent for three-dimensional (3d) printing

A detailing agent for three-dimensional (3D) printing includes a colorant present in an amount ranging from about 1.00 wt % to about 3.00 wt % based on a total weight of the detailing agent. The colorant is a dye having substantially no absorbance in a range of 650 nm to... Hewlett packard Development Company L p

01/25/18 / #20180023987

Microfluidic flow sensor

An apparatus includes a microfluidic channel and a flow sensor along the microfluidic channel. The flow sensor includes a heat emitting resistor for connection to an electric current source, analytical parameter sensor and electronics. The heat emitting resistor has a resistance that varies in response to temperature. The electrical parameter... Hewlett packard Development Company L p

01/25/18 / #20180023995

Drop ejection based flow sensor calibration

A droplet of fluid having a predetermined drop weight is ejected from a microfluidic channel. Electrical signals are received from a sensor in the microfluidic channel, wherein the electrical signals vary in response to the ejection of the droplet of fluid. The electrical signals of the sensor are calibrated to... Hewlett packard Development Company L p

01/25/18 / #20180024155

Diagnostic chip

A microfluidic diagnostic chip may comprise a substrate, a plurality of fluidic slots extending through the substrate, a plurality of microfluidic channels each coupled to a respective one of the plurality of fluidic slots to receive a plurality of fluids from the plurality of fluidic slots, and a mixing region... Hewlett packard Development Company L p

01/25/18 / #20180024524

Feed forward terms based on continuous model

An example method for controlling a carriage of a printing device is described. In one implementation, a target velocity value that satisfies a sharpness threshold is filtered by a processor resource of the printing device, a feed forward term is generated using a continuous model applied to the filtered velocity... Hewlett packard Development Company L p

01/25/18 / #20180024595

Adjusting the center of mass of a computing device

An example system for adjusting the center of mass of a computing device includes a base slidably coupled to a first portion of the computing device. The base repositions the first portion of the computing device relative to the base. A first hinge couples the first portion and a second... Hewlett packard Development Company L p

01/25/18 / #20180024676

Printed circuit board

According to an example, a device may comprise a touchscreen light guide assembly, a lens disposed on the touchscreen light guide assembly, and a printed circuit board including a relief cut on an edge of the printed circuit board. The relief cut may be to receive the touchscreen light guide... Hewlett packard Development Company L p

01/25/18 / #20180025960

Circuit package

A circuit package panel containing a packaging of epoxy mold compounds and a circuit device in the packaging, wherein the packaging comprises, at least one hybrid layer of a first epoxy mold compound and a second epoxy mold compound of a different composition.... Hewlett packard Development Company L p

Patent Packs
01/25/18 / #20180026398

A fastener device

There is provided a fastener device and methods of using a fastener device, the device comprising a body having a first end comprising a supporting portion adapted to support at least a rear surface of a connector plug and a second opposite end comprising a latching portion adapted to engage... Hewlett packard Development Company L p

01/25/18 / #20180026439

Safety protection circuit

A safety protection circuit is described, comprising a fuse, a first voltage detection circuit, a first Silicon-Controlled Rectifier, SCR, wherein the first SCR is triggered upon detection of a threshold voltage by the first voltage detection circuit, a second voltage detection circuit, and a second SCR, wherein the second SCR... Hewlett packard Development Company L p

01/25/18 / #20180026916

Multi-processor computing systems

A multi-processor computing system comprising a second processing device to generate outgoing data packets and comprising a second network stack to save the outgoing data packets in a second outgoing packet buffer of the second processing device. A second network driver to save an outgoing buffer pointer in a second... Hewlett packard Development Company L p

01/25/18 / #20180027142

Scanner

A scanner is disclosed. The scanner includes a light source to emit light of a first color during a first turn-on period and emit light of a second color during a second turn-on period; a sensor to receive light from a scanning area, in response to the light of the... Hewlett packard Development Company L p

01/25/18 / #20180027611

Heating unit

The present subject matter describes a heating unit. The heating unit comprises a heating element and a controlling unit coupled to the heating element to determine a desired value of a direct current (DC) voltage based on heating element parameters. The desired value is a value of DC voltage desired... Hewlett packard Development Company L p

01/25/18 / #20180027650

Printed circuit board

According to an example, a device may comprise a printed circuit board. The printed circuit board may further comprise a first layer and a second layer, The first layer may comprise a first material and the second layer may comprise a second material. In some examples, the first layer may... Hewlett packard Development Company L p

01/18/18 / #20180018349

Image selection based on text topic and image explanatory value

Examples disclosed herein relate to selecting an image based on text topic and image explanatory value. In one implementation, a processor selects an image to associate with a text based on a criteria indicating the explanatory value of a context information related to the image in relation to the topic... Hewlett packard Development Company L p

01/18/18 / #20180018392

Topic identification based on functional summarization

Topic identification based on functional summarization is disclosed. One example is a system including a plurality of summarization engines, each summarization engine to receive, via a processing system, a document to provide a summary of the document. At least one meta-algorithmic pattern is applied to at least two summaries to... Hewlett packard Development Company L p

01/18/18 / #20180015457

Diagnostic device

A microfluidic diagnostic device may comprise a fluid inlet to receive a fluid from a fluidic slot, a main microfluidic channel fluidly coupled to the fluid inlet, and a main microfluidic pump interposed between the fluid inlet and the main microfluidic channel to continuously circulate a fluid through the fluidic... Hewlett packard Development Company L p

01/18/18 / #20180015460

Microfluidic flow control

A device includes a microfluidic channel structure on a substrate with a first fluid actuator and a second fluid actuator within the microfluidic channel structure. One of the fluid actuators is selectively employable to at least partially reverse fluid flow within at least a portion of the microfluidic channel structure... Hewlett packard Development Company L p

01/18/18 / #20180015461

Voltage upconverter

A system may comprise a voltage upconverter, a universal serial bus (USB) connector to receive an input voltage from a USB port on a computing device, and a microfluidic diagnostic chip communication link to electrically couple the voltage upconverter to a microfluidic diagnostic chip wherein the voltage upconverter is to... Hewlett packard Development Company L p

01/18/18 / #20180015663

Three-dimensional (3d) printing

In an example implementation, a method of three-dimensional (3D) printing includes applying a sinterable material, selectively applying a fusing agent on a portion of the sinterable material, applying a first amount of radiation energy to the portion of the sinterable material, and applying a second amount of radiation energy to... Hewlett packard Development Company L p

01/18/18 / #20180015664

Three-dimensional (3d) printing

In a 3D printing method example, color is added to a part. A build material is applied, and is pre-heated to a temperature ranging from about 50 C to about 400 C. A black ink, including an infrared absorbing colorant, is selectively applied on at least a portion of the... Hewlett packard Development Company L p

01/18/18 / #20180015729

Cartridges comprising sensors including ground electrodes exposed to fluid chambers

In some examples, a cartridge includes a printhead comprising a fluid feed slot, a fluid chamber formed between a nozzle layer and a passivation layer, the fluid chamber fluidically coupling the fluid feed slot and a nozzle of the nozzle layer, and a printhead-integrated sensor to sense a property of... Hewlett packard Development Company L p

01/18/18 / #20180015731

Fluid ejection device

A fluid ejection device includes a fluid slot, a fluid ejection chamber communicated with the fluid slot, a drop ejecting element within the fluid ejection chamber, a fluid circulation channel communicated at a first end with the fluid slot and communicated at a second end with the fluid ejection chamber,... Hewlett packard Development Company L p

Patent Packs
01/18/18 / #20180015732

Fluid ejection device with fluid feed holes

A fluid ejection die has a substrate through which an array of fluid feed holes is formed. The fluid feed holes are separated by ribs. Each fluid feed hole is to guide fluid to an array of drop generators.... Hewlett packard Development Company L p

01/18/18 / #20180015754

Determining deformations of slices of an image

In some examples, a method of controlling printing to a print medium includes, while printing an image to a print surface of the print medium, determining deformations of slices of the image caused by deformation of the print medium. The determining includes reading first fiducial marks printed on the print... Hewlett packard Development Company L p

01/18/18 / #20180015763

Fabric print medium

A fabric print medium includes a fabric base substrate and two treatment compositions that are applied thereon. The first treatment composition includes, at least, film-forming polymeric compounds, and a water-soluble high-valence metal complex. The second treatment composition includes, at least, a polymeric network, poly-alkene polymeric compounds, a water-soluble high-valence metal... Hewlett packard Development Company L p

01/18/18 / #20180015764

Pre-treatment composition

Disclosed herein is a pre-treatment composition that includes aggregated nano-sized inorganic pigment particles, polymeric organic particles having a particle size in a ratio of 100:1 to 1000:1 by comparison with the size of aggregated nano-sized inorganic pigment particles, an ink absorber and a polymeric binder. Also disclosed herein is a... Hewlett packard Development Company L p

01/18/18 / #20180016384

Polyurethane-based binder dispersion

A binder dispersion includes water and polyurethane. The polyurethane is formed from polyisocyanate; polyol having two hydroxyl (OH) groups at one chain end, no OH groups at an opposed chain end, and a number average molecular weight (Mn) ranging from ˜500-˜5,000; an alcohol, diol or amine having a Mn<500; and... Hewlett packard Development Company L p

01/18/18 / #20180016393

Polymeric amine synergists

The present disclosure is drawn to polymeric amine synergists, photo curable inks containing the polymeric amine synergists, and methods of making the photo curable inks. A polymeric amine synergist can include an aminobenzene modified with a polyether chain connecting to the aminobenzene through an amide linkage.... Hewlett packard Development Company L p

01/18/18 / #20180016453

Radiation curable binder dispersion

An example of a radiation curable binder dispersion includes water and a radiation curable binder dispersed therein. The radiation curable polyurethane is formed from a polyisocyanate; an acrylate or methacrylate having at least two hydroxyl functional groups and having an acrylate functional group or a methacrylate functional group; another acrylate... Hewlett packard Development Company L p

01/18/18 / #20180016458

Fixable, uv curable ink

A fixable, UV curable ink includes an aqueous ink vehicle including water and a co-solvent, a pigment, and a dispersant. A polyurethane polymer dispersion is suspended as droplets within the aqueous ink vehicle. The polyurethane polymer dispersion includes a polyurethane polymer selected from the group consisting of a polyether-based polyurethane,... Hewlett packard Development Company L p

01/18/18 / #20180017843

Webcam shutter

In one example, a webcam shutter assembly includes a first sub-assembly and second sub-assembly formed independently of each other. The first sub-assembly includes a shutter for selectively covering a camera lens, and the second sub-assembly includes a manually operable actuator. The actuator is biased in a non-engaging arrangement with the... Hewlett packard Development Company L p

01/18/18 / #20180017870

Dynamic logic memcap

An integrated circuit may include a substrate with a plurality of transistors formed in the substrate. The plurality of transistors may be coupled to a first metal layer formed over the plurality of transistors. A plurality of high dielectric nanometer capacitors may be formed of memristor switch material between the... Hewlett packard Development Company L p

01/18/18 / #20180017955

Three dimensional object data

Apparatus and methods for transforming three dimensional object data are disclosed. In some examples, data representing a three dimensional object is received, the data comprising object property data indicative of at least one attribute of at least a portion of the three dimensional object. The object property data is transformed... Hewlett packard Development Company L p

01/18/18 / #20180017956

Fabricating three dimensional objects

A method of fabricating a three dimensional object in an additive layer manufacturing process, e.g. 3D printing, wherein a three dimensional design of the three dimensional object is modelled as a plurality of three dimensional pixels or vortexes. For every pixel or vortex, at least one parameter is calculated and... Hewlett packard Development Company L p

01/18/18 / #20180017957

Determining halftone schemes

Methods and apparatus of determining a halftone scheme are described. In an example, data representing a three-dimensional object is obtained, the data comprising object model data representing the geometry of the three-dimensional object and object property data representing at least one object property of at least a portion of the... Hewlett packard Development Company L p

01/18/18 / #20180018305

Character spacing adjustment of text columns

An example device in accordance with an aspect of the present disclosure includes a rendering engine and a spacing engine. The rendering engine is to render, off-screen, a text column. The spacing engine is to adjust character spacing of the text column, to identify a loosest value of character spacing... Hewlett packard Development Company L p

01/18/18 / #20180018349

Image selection based on text topic and image explanatory value

Examples disclosed herein relate to selecting an image based on text topic and image explanatory value. In one implementation, a processor selects an image to associate with a text based on a criteria indicating the explanatory value of a context information related to the image in relation to the topic... Hewlett packard Development Company L p

01/18/18 / #20180018366

Records based on bit-shifting

Example implementations relate to records based on bit-shifting. For example, a computing device may include at least one processor to receive a query, create a normalized query, and generate a mapping of the normalized query for each record in a set of records in a database using a state array,... Hewlett packard Development Company L p

01/18/18 / #20180018392

Topic identification based on functional summarization

Topic identification based on functional summarization is disclosed. One example is a system including a plurality of summarization engines, each summarization engine to receive, via a processing system, a document to provide a summary of the document. At least one meta-algorithmic pattern is applied to at least two summaries to... Hewlett packard Development Company L p

01/18/18 / #20180018514

Eye gaze authentication

According to an example of the present disclosure, an image collection is loaded. At least one image property of the image collection is randomized, and the image collection is displayed. A registered sequence of images is accessed. At least one eye gaze and at least one eye gaze time interval... Hewlett packard Development Company L p

01/18/18 / #20180018545

Soft-proof file generation based on print-ready data

In one implementation, a method for generation of a soft-proof file is described. A ticket template and a job definition are associated with input contents. Print-ready data is caused to be generated based on the input content, the job definition, and the ticket template. A soft-proof file is caused to... Hewlett packard Development Company L p

01/18/18 / #20180018546

Printers and methods of controlling same

A method of controlling a printer to print a pattern using a number of print head dies, each print head die including a number of nozzle trenches wherein each one of the number of nozzle trenches is associated with a different color, wherein the nozzles of neighboring dies overlap in... Hewlett packard Development Company L p

01/18/18 / #20180018810

Generating previews of 3d objects

Methods and apparatus relating to previews of objects are described. In one example, control data for generating a three-dimensional object specifying, for voxels of the object, at least one print material to be deposited in that voxel during object generation is obtained. A viewing frustum may be determined, and visible... Hewlett packard Development Company L p

01/18/18 / #20180018815

Three-dimensional object representation

Methods and apparatus relating to three-dimensional object models are described. In one example, (i) data representing a geometrical description of a three-dimensional object defining object geometry in a geometric space and (ii) at least one object property description describing an object property in an object property space are received. The... Hewlett packard Development Company L p

01/18/18 / #20180018889

Determine attention span style time correlation information

Examples disclosed herein relate to determine attention span style time correlation. In one implementation, a processor determines, based on information related to a users navigation of digital material and stored classifier information, time correlation information related to the users attention span style. The processor may output information related to the... Hewlett packard Development Company L p

01/18/18 / #20180020005

Providing selective access to resources

Examples relate to providing selective access to resources. In one example, a computing device may: receive, from a client application, a request to access a first resource server, the request including a client access token; identify a first set of permissions specified by a client topology, the client topology specifying:... Hewlett packard Development Company L p

01/18/18 / #20180020124

Generating a day/night image

According to one example, there is provided a method of generating a day/night image on a media. The method comprises obtaining an image to be printed as a front-to-back image, printing the obtained image on a first side of the media, processing the obtained image by flipping the image, applying... Hewlett packard Development Company L p

01/18/18 / #20180020494

Near field communication (nfc) data transfer

A first device in accordance with an example is placed in a predefined mode in response to removing a near field communication (NFC) tag from an NFC component of the first device. A request is received from a second device to establish a connection with the first device based on... Hewlett packard Development Company L p








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