Hewlett-Packard Patent Grants

Media output guide assembly

Granted: May 23, 2017
Patent Number: 9656484
A printer includes a print zone, and a media output guide assembly downstream of the print zone to curve media between media side edges. The media output guide assembly includes: an inner guide; and a pair of outer guides, the media to pass between the inner guide and the outer guides with the inner guide above the media and the outer guides below the media. The media passing between the guides has, in a direction perpendicular to a media output direction, outer edges that droop around…

Servicing a print head array

Granted: May 23, 2017
Patent Number: 9656494
In some examples, a print controller is to receive a preference relating to a choice between quantity in printing images by a printing apparatus and quality of printed images and vary a threshold value according to the received preference to produce a dynamically set threshold value. The print controller is to further initiate printing of a print job using the first print head array, determine whether an image quality defect value associated with printing at least one of image of the…

Coating compositions

Granted: May 23, 2017
Patent Number: 9656501
A coating composition includes pigments or a mixture of pigments, a surface active substance and a metal containing polymeric complex. The metal containing polymeric complex contains a metallic salt, a polymeric latex and polyvinyl alcohol (PVA), wherein the polyvinyl alcohol has a molecular weight ranging from about 10,000 to about 65,000.

Leader devices usable with roll media and image forming system having output member

Granted: May 23, 2017
Patent Number: 9656825
Leader devices usable with roll media and an image forming system having an output member are disclosed. A leader device may include a leader member having a first end and a second end. The first end may attach to the output member of the image forming system. The leader device may also include an attachment means disposed on the second end of the image forming system for removably attaching the leader member to a leading edge of the roll media.

Electrically chargeable encapsulated particles

Granted: May 23, 2017
Patent Number: 9657114
Methods of encapsulating particles (260) in polymer (280, 382, 384) and compositions of matter using such encapsulated particles (260). Methods include mixing particles (260) of one or more materials with one or more initial radical polymerizable monomers (265) and one or more initial charge-generating components (270) to form a first suspension of monomer-wetted particles (260/265/270), mixing the first suspension with an aqueous dispersant medium (275) to form a second suspension,…

Electrostatic inks and printing

Granted: May 23, 2017
Patent Number: 9657189
There is provided a method of producing an electrostatic ink composition, the method comprising: mixing a resin, a liquid carrier, and a conductive metallic pigment having a coating of surfactant thereon, to form an electrostatic ink composition comprising the resin and the conductive metallic pigment dispersed in the liquid carrier. An electrostatic ink composition and a substrate are also described.

Resource management for data centers

Granted: May 23, 2017
Patent Number: 9658662
Resource management for data centers is disclosed. In an exemplary embodiment, a method includes determining electrical power usage for the data center, and determining cooling fluid usage for the data center. The method also includes processing a resource utilization cap for the data center, and adjust ng at least one of the electrical power and the cooling fluid for the data center based on the resource utilization cap.

Preserving object code translations of a library for future reuse by an emulator

Granted: May 23, 2017
Patent Number: 9658867
Provided is a method of preserving object code translations of a library for future reuse by an emulator. A munmap(2) system call is intercepted from an application for unmapping a mapped library memory address. A determination is made if an entry related to the mapped library memory address is present in a first predefined data structure. If said entry is present, a determination is made if the mapped library memory address corresponds to a library text or library data. If the mapped…

Identifying a defect density

Granted: May 23, 2017
Patent Number: 9658939
A technique to determine defect density in a portion or subset of code. Changes to code may be tracked. Defects in the code that are addressed by the changes may also be tracked. A defect density in a portion or subset of the code having a characteristic can be determined by identifying changes modifying the portion or subset of the code and that address a defect.

Constructing test-centric model of application

Granted: May 23, 2017
Patent Number: 9658945
A test-centric model of an application is constructed. Each resource specified by each test governing an application is added to the test-centric model. The test or tests specifying an resource are linked to the resource within the test-centric model. A composition of the application is defined using the one or more tests, as the resources specified by the one or more tests, within the test-centric model of the application.

Determining a maximal size of packets

Granted: May 23, 2017
Patent Number: 9660924
Packets from a first network entity to a second network entity are received. A maximal size of packets from the second network entity to the first network entity is determined based on information in the received packets.

Server management connections

Granted: May 23, 2017
Patent Number: 9660935
Systems, methods, and logic are provided for providing a server management network internal to a computing device. Providing a server management network internal to a computing device can include connecting each of a plurality of network interface controllers (NICs) in the computing device to a limited layer network device in the computing device via mutually isolated connections. Furthermore, providing a server management network internal to a computing device can include connecting the…

Biased document backing

Granted: May 23, 2017
Patent Number: 9661178
A document backing extending in a plane is resiliently biased in a direction substantially parallel to the plane.

Introducing grain patterns into images

Granted: May 23, 2017
Patent Number: 9656466
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 cause introduction of a grain pattern into an image printed using the printhead onto the print medium by, for each respective pass of a plurality of passes of the printhead over the print medium,…

Molded fluid flow structure with saw cut channel

Granted: May 23, 2017
Patent Number: 9656469
In an embodiment, a fluid flow structure includes a micro device embedded in a molding. A fluid feed hole is formed through the micro device, and a saw defined fluid channel is cut through the molding to fluidically couple the fluid feed hole with the channel.

Differential printing device

Granted: May 16, 2017
Patent Number: 9649833
A differential printing device includes a first print drum including a first ring gear defined on an outside surface of the first print drum. The device also includes a second print drum including a second ring gear defined on an outside surface of the second print drum. A drive shaft that rotates the first print drum and the second print drum has a number of pinion gears to engage the first ring gear and the second ring gear. The number of pinion gears rotate the first print drum and…

Printing system with force control mode

Granted: May 16, 2017
Patent Number: 9649862
A printing system includes a printhead to eject ink onto a print medium in a print zone. A first roller pair is adjacent to the print zone to advance a print medium into the print zone. A second roller pair upstream from the first roller pair, and driven by an independent motor, advances the print medium to the first roller pair in a position control mode. A controller causes the second roller pair to switch from the position control mode to a force control mode when a leading edge of…

Media handling system

Granted: May 16, 2017
Patent Number: 9649863
A media handling system is disclosed herein. An example includes media path, a transport assembly to move print media through the media path, a processor, and a non-transitory storage medium including instructions that cause the processor to control the transport assembly to: move a first medium and second through the media path, overlap a trailing portion of the first medium and a leading portion of the second medium within the media path, overlap a leading portion of the first medium…

Adiabatic cooling unit

Granted: May 16, 2017
Patent Number: 9651275
Examples described herein relate to adiabatic cooling units. For example, a method for mixing gases within an adiabatic cooling unit includes allowing a first gas at a first temperature to enter a mixing chamber on a non-exposed side of an adiabatic cooling media and utilizing a first baffle to direct the first gas in a direction away from the adiabatic cooling media. The method includes allowing a second gas at a second temperature to enter the mixing chamber on an exposed side of the…

Configurable sensor arrays

Granted: May 16, 2017
Patent Number: 9651407
Systems, devices, and methods for configurable sensor arrays are provided. An example of a configurable sensor array includes a plurality of sensors in a matrix array formed on a single backplane and a plurality of elements within one of the plurality of sensors, where the plurality of elements provides alternative electrical paths enabling the one of the plurality of sensors to have a range of output impedances.