Hewlett-Packard Patent Applications

INKJET PRINTING SYSTEM, FLUID EJECTION SYSTEM, AND METHOD THEREOF

Granted: March 23, 2017
Application Number: 20170080707
An inkjet printing system, fluid ejection system and method thereof are disclosed. The fluid ejection system includes a fluid ejection device and a determination module to determine a supply condition based on the count value output by the converter module. 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, a pressure sensor unit having a…

SUPPLY AUTHENTICATION VIA TIMING CHALLENGE RESPONSE

Granted: March 23, 2017
Application Number: 20170080716
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.

HANDOFF MECHANISM FOR A MEDIA PRODUCTION APPARATUS

Granted: March 23, 2017
Application Number: 20170081141
A handoff mechanism for use with a media stacker of a media production apparatus comprises a plurality of kicker units (101) arranged across a width of the handoff mechanism. A common drive mechanism (103) is provided to move the plurality of kicker units (101) between a closed position and an open position. Each kicker unit (101), when in the closed position during use, applies a pressure to any media sheets that are already stacked in a stacker tray (105) while a new media sheet is…

METHOD AND SYSTEM FOR ACTIVE DECREASE OF GHOST APPEARANCE

Granted: March 23, 2017
Application Number: 20170082941
A method of operating a printing system includes determining whether ghosting is expected on a photoreceptor and applying power to a laser applied to the photoreceptor based on whether the ghosting is expected.

CONTEXT-BASED EXPERIENCE

Granted: March 23, 2017
Application Number: 20170083865
An example system includes an experience device having one or more experiences and a package device having one or more packages. Each experience of the experience device identifies a package, wherein identification of the package is context-based; calls the identified package, wherein the identified package accesses a device or service to obtain information to return to the experience; and selectively provides the information to a user.

SYNCHRONIZED LOOK-UP TABLE LOADING

Granted: March 23, 2017
Application Number: 20170085754
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 locate a next look-up table. At this stage, the next look-up table is dynamically loaded into the processor memory as the processor continues to process the print job, where the processing of…

FLEXIBLE CARRIER

Granted: March 16, 2017
Application Number: 20170072690
The present disclosure includes a flexible carrier along with a system and a method including the flexible carrier.

PRINT FLUID PASSAGEWAY THIN FILM PASSIVATION LAYER

Granted: March 16, 2017
Application Number: 20170072692
In an example, a printhead includes a die stack having a plurality of dies and a nozzle plate bonded together. A fluid passageway extends throughout the die stack to enable fluid to flow into a bottom die in the die stack, through the die stack, and out through a nozzle in the nozzle plate. The printhead includes a thin film passivation layer that coats all surfaces of the fluid passageway.

PRINTED CIRCUIT BOARD FLUID EJECTION APPARATUS

Granted: March 16, 2017
Application Number: 20170072693
In an example, a fluid ejection apparatus includes a printhead die embedded in a printed circuit board. Fluid may flow o the printhead die through a plunge-cut fluid feed slot in the printed circuit board and into the printhead die.

METHOD AND SYSTEM FOR MODIFYING A SURFACE TOPOGRAPHY

Granted: March 16, 2017
Application Number: 20170072712
According to one example, there is provided a method or system for modifying the surface topography of a substrate support.

DRYING MEDIA

Granted: March 16, 2017
Application Number: 20170072725
A drying apparatus usable with a printing system includes a housing, a first set of radiative heating elements, a second set of radiative heating elements, and an air handling device. The housing includes a front region and a rear region adjacent to the front region. The front region includes an inlet to receive media. The rear region includes an outlet to pass media there through. The first set of radiative heating elements is disposed within the front region to heat the media. The…

WAYPOINT NAVIGATOR

Granted: March 16, 2017
Application Number: 20170074672
An example waypoint navigator method includes identifying a local waypoint using image recognition on an image of the local waypoint displayed on a mobile device. The example method also includes overlaying on the image of the local waypoint, a visual direction to the remote waypoint based on identifying the local waypoint, the visual direction based on context. The example method also includes updating the visual direction based on changes in the context.

POWER MANAGEMENT

Granted: March 16, 2017
Application Number: 20170077721
A controller is to control a discharger to provide power from an energy storage to an electrical device during a period when the electrical device is to require a power maximum. The controller is to control the charger to provide power from a power supply to the energy storage during a period when the electrical device is to require a power minimum. The electrical device is to be powered by a power supply.

PORTABLE SPEAKER

Granted: March 16, 2017
Application Number: 20170078795
In one example, a portable speaker is provided. The portable speaker includes a communication interface to receive an audio file from a portable computing device, a machine-readable storage medium to store the audio file, a speaker to output sound corresponding to the audio file, and a management module. The management module is to (i) add the audio file to a queue to be output by the speaker; (ii) analyze the audio file to determine a baseline audio level for the audio file, and utilize…

PIEZOELECTRIC PRINTHEAD ASSEMBLY WITH MULTIPLIER TO SCALE MULTIPLE NOZZLES

Granted: March 9, 2017
Application Number: 20170066235
In an example, a piezoelectric printhead assembly includes a micro-electro mechanical system (MEMS) die including a plurality of nozzles. An application-specific integrated circuit (ASIC) die is coupled to the MEMS die by a plurality of wire bonds, wherein each of the wire bonds corresponds to a respective nozzle of the plurality of nozzles. An arbitrary data generator (ADG) on the ASIC is to provide a digital data sequence, and a multiplier is to scale multiple nozzles of the plurality…

PROCESS FOR MAKING A MOLDED DEVICE ASSEMBLY AND PRINTHEAD ASSEMBLY

Granted: March 9, 2017
Application Number: 20170066242
In one example, a process for making a micro device assembly includes placing a micro device on a front part of a printed circuit board, molding a molding on the printed circuit board surrounding the micro device, and then forming a channel to the micro device in a back part of the printed circuit board.

PRINTABLE RECORDING MEDIA

Granted: March 9, 2017
Application Number: 20170066270
A printable recording media containing a substrate; a pre-coat layer including more than about 60 wt % of one or more inorganic pigments by total dry weight of the pre-coat layer; a topcoating layer including more than about 60 wt % of one or more inorganic pigments; up to 25 wt % of binders and up to about 5 wt % of a combination of natural and synthetic rheology modifiers, by total weight of the top-coating layer, wherein the ratio of the amount of natural rheology modifiers to the…

DISCRETE CURSOR MOVEMENT BASED ON TOUCH INPUT

Granted: March 9, 2017
Application Number: 20170068335
In one example implementation according to aspects of the present disclosure, a method may include detecting, by a computing system, a touch input on the computing system by analyzing a change in a data stream from a sensor of the computing system by applying a first signal de-noising algorithm to the data stream. The method may further include determining, by the computing system, the nature of the detected touch input. Additionally, the method may include generating, by the computing…

RUNTIME DRIVE DETECTION AND CONFIGURATION

Granted: March 9, 2017
Application Number: 20170068630
Examples of runtime drive detection and configuration are disclosed. In one example implementation according to aspects of the present disclosure, a computer implemented method includes detecting, by a computing system, that a drive is connected to the computing system during a runtime using a sideband signal of the drive. The method further includes determining, by the computing system, a drive type for the drive. Additionally, the method includes configuring, by the computing system,…

EPROM CELL WITH MODIFIED FLOATING GATE

Granted: March 9, 2017
Application Number: 20170069639
An electronically programmable read-only memory (EPROM) cell includes a semiconductor substrate having source and drain regions; a floating gate, adjacent to the source and drain regions and separated from the semiconductor substrate by a first dielectric layer, the floating gate including: a polysilicon layer formed over the first dielectric layer; a first metal layer electrically connected to the polysilicon layer, where the surface area of the first metal layer is less than 1000 ?m2;…