Hewlett-Packard Patent Grants

Printhead protective coating

Granted: March 21, 2017
Patent Number: 9597873
In one embodiment, a printhead includes a substrate comprising a single fluid slot with sidewall surfaces. The printhead also includes a plurality of fluid chambers in fluid communication with the fluid slot. The printhead includes a membrane disposed between the fluid slot and the fluid chambers. The membrane comprises membrane side surfaces that form fluid feed holes to provide the fluid communication between the fluid slot and the fluid chambers. A protective coating is disposed on…

Ink tank parts

Granted: March 21, 2017
Patent Number: 9597881
Example ink tank parts are disclosed in examples herein. An example apparatus includes a container defining an internal volume including an aperture to provide access to the internal volume; a cap to be coupled to the container via a snap fit connection; a projection on a first one of the container and the cap; and a channel defined by a second one the container and the cap, when the cap is coupled to the container, the projection is disposed within the channel to limit rotational…

Cap for a fluid container outlet

Granted: March 21, 2017
Patent Number: 9597882
In one embodiment a fluid container includes a housing having a chamber therein for holding a fluid and an outlet from the chamber; and a cap capping the outlet. The cap includes a contact surface thereon contacting an interior surface of the outlet and a void therein adjacent to the contact surface such that a portion of the cap underlying the contact surface may flex into the void.

Printer ink cartridges

Granted: March 21, 2017
Patent Number: 9597886
A printer cartridge is disclosed that is under negative pressure to retain liquid and allows controlled ingress of atmospheric air to release liquid from the printer cartridge. A labyrinth on a surface of the printer ink cartridge provides controlled ingress of atmospheric air having an entrance chamber to allow entry of atmospheric air, an exit chamber in communication with the liquid, and an elongate channel extending between the entrance chamber and the exit chamber. The elongate…

Pen housings

Granted: March 21, 2017
Patent Number: 9597887
An example pen housing includes a first regulator to actuate in response to a first pressure change to enable gas within a first chamber to flow from the first chamber to a second chamber, the first chamber to flow ink to a printhead, the second chamber not to receive ink directly from an ink supply; and a second regulator to actuate in response to a second pressure change to enable the gas received from the first chamber to be discharged from the second chamber.

Apparatus for a printer system

Granted: March 21, 2017
Patent Number: 9597890
An apparatus, such as a flow restriction apparatus, is provided. The flow restriction apparatus includes an ink outlet perforating through a tank wall of a printing fluid reservoir of a user-refillable inkjet printer system. The ink outlet facilitates fluid communication between the printing fluid reservoir and an inkjet pen of the printer system. Printing fluid from the printing fluid reservoir enters the ink outlet from the printing fluid reservoir under suction pressure exerted by the…

Method and apparatus for controlling ink curing

Granted: March 21, 2017
Patent Number: 9597898
A printing device (200) and method for controlling the curing of ink are described. An example printing apparatus has a printing module (230) with at least one printhead for printing a swath of a printed image and a print controller (220) arranged to generate image and print control data for a plurality of swaths. A curing module (270) is arranged to receive, for each of the plurality of one or more swaths, image and print control data and to control, before a printed region of the print…

Ink level sensor and related methods

Granted: March 21, 2017
Patent Number: 9599500
In an embodiment, a method of sensing an ink level includes applying a pre-charge voltage Vp to a sense capacitor to charge the sense capacitor with a charge Q1, sharing Q1 between the sense capacitor and a reference capacitor, causing a reference voltage Vg at the gate of an evaluation transistor, and determining a resistance from drain to source of the evaluation transistor that results from Vg.

Methods and systems for determining authenticity of a consumable product

Granted: March 21, 2017
Patent Number: 9599945
Methods and systems are described to determine authenticity of a consumable product. The determining of authenticity may include communicating with a listing engine that contains a list of identifiers for consumable products classified as non-authentic, installing a consumable product in a host device where the consumable product stores an identifier in memory, and determining whether the consumable product matches one of the identifiers.

Automatically performing a web service operation

Granted: March 21, 2017
Patent Number: 9600456
In a method for automatically performing a web service operation, input regarding actions of a user performing a task on a web service are received, an automated web task from the received input is generated, in which the automated web task is to perform the received actions, In addition, an image containing an object is accessed, the object contained in the image is associated with the automated web task to cause the automated web task to be automatically performed by another image…

Optimizing analytic flows

Granted: March 21, 2017
Patent Number: 9600786
A technique of optimizing analytic flows includes sampling source data using a sampling method, executing a flow over the sampled data, obtaining runtime statistics from the executed flow, and combining runtime statistics with historical statistics.

Managing a network system

Granted: March 21, 2017
Patent Number: 9600791
Managing a network system includes determining metrics for a plurality of nodes in the network system, determining a plurality of zones including the plurality of nodes based on the metrics for the network system, and, for each zone of the plurality of zones, determining a computational architecture to be implemented for the zone based on the metrics for each node of the plurality of nodes in the zone.

View projection

Granted: March 21, 2017
Patent Number: 9600855
A first derived matrix of transport coefficients and a second derived matrix of transport coefficients are derived from a primary matrix of transport coefficients. Each of the transport coefficients describes transport of a respective image forming element from a first position onto one or more image forming elements at a second position. An approximate inverse of the first derived matrix is ascertained. A modified version of a projection image is determined from the projection image,…

Defining a projector display region

Granted: March 21, 2017
Patent Number: 9601086
Defining a display region for a projector display. An image of a camera's view of a display region is accessed. The image is displayed on a graphical user interface. The image has a first set of coordinates. The image and a reference canvas that is displayed on said graphical user interface is integrated. The integration comprises overlaying a portion of the reference canvas on the image. The reference canvas has a second set of coordinates. One of the first set of coordinates and the…

Representing data using a group of multilevel memory cells

Granted: March 21, 2017
Patent Number: 9601189
A memory device includes a group or block of k-level memory cells, where k>2, and where each of the k-level memory cells has k programmable states represented by respective resistance levels.

Voltage control for crosspoint memory structures

Granted: March 21, 2017
Patent Number: 9601195
The present disclosure provides a memory cell that includes a resistive memory element disposed between a first conductor and a second conductor, the first conductor and the second conductor configured to activate the resistive memory element. The memory cell also includes a diode disposed in parallel with the memory element between the first conductor and the second conductor.

Near field communication device

Granted: March 21, 2017
Patent Number: 9602171
A near field communication device is disclosed herein. An example of such a device includes a user interface and an application that displays information on the user interface. The device also includes a non-transitory storage medium including a list of data elements that may appear within the information displayed in the user interface and a near field communication filter module to automatically extract any of the data elements from the information displayed on the user interface via…

Network apparatus and method for communication between different components

Granted: March 21, 2017
Patent Number: 9602391
The present invention discloses a method for communication among different components, including integrating a Network Forwarding Component (NFC) for forwarding messages and at least one Independent Application Component (IAC) for performing other service processing into one network device; setting at least one cooperation mode in the NFC and each of the at least one IAC; and communicating with each other, by the NFC and the at least one IAC, according to the at least one cooperation…

Monitoring and mitigating client-side exploitation of application flaws

Granted: March 21, 2017
Patent Number: 9602534
A system for monitoring and mitigating client-side exploitation of application flaws includes a server to operate a first application. The first application communicates with a client device operating a second application to execute an application flaw script. The application flaw script causes the client device to produce a first request associated with vulnerability of the first application. An application flaw service module, communicatively coupled to the server, receives the first…

Supply item messaging

Granted: March 21, 2017
Patent Number: 9602583
One example discloses a peripheral supply component. The peripheral supply component includes a supply item (130) to provide resources on an installed peripheral component (110), wherein the supply item (130) is a consumable, upgradable, or replacement component on the installed peripheral component (110). An encoded component (140) is installed with the supply item (130), wherein the encoded component (140) is employed to generate a message event related to the peripheral component.