Hewlett-Packard Patent Grants

Power feed mechanism for a three-dimensional printer

Granted: August 22, 2017
Patent Number: 9738035
A powder feed mechanism for a three-dimensional printer in which a heap of powder is drawn up from a powder container to be spread across a material bed rather than dropped or deposited on it. The mechanism comprises a carrier arm that moves through a powder chamber, and a support platform for carrying a heap of powdered build material. The support platform moves with the carrier arm. The carrier arm moves to a powder delivery position in which the support platform is in a transverse…

Fluid supply device, septum device usable with fluid supply device and method thereof

Granted: August 22, 2017
Patent Number: 9738078
A septum device usable with a fluid interconnect unit of a fluid supply device is disclosed. The septum device includes a resilient main body to be inserted into the fluid interconnect unit of the fluid supply device. The resilient main body includes an interior septum surface forming a longitudinal opening to removably receive a fluid extraction member and an exterior septum surface. The interior septum surface includes interior engagement members extending toward the opening and spaced…

Fluid cartridge

Granted: August 22, 2017
Patent Number: 9738080
An ink cartridge for an inkjet printer includes a bottom face and a front face; an ink interface on the front face of the ink cartridge for connection to a cartridge receiving structure; a guide interface in the bottom face for guiding the cartridge along a straight line during insertion into the cartridge receiving structure for connecting the ink interface; a latch track disposed in the bottom face of the ink cartridge to guide a latch of the cartridge receiving structure; a latch stop…

Replaceable liquid supply having cut outs and latch

Granted: August 22, 2017
Patent Number: 9738084
Liquid supply or reservoir therefore having multiple compartments, each compartment to hold a distinct liquid, comprising multiple liquid outlets, each fluidically connected to one of the compartments, multiple clearance cut outs disposed at a pitch equal to a pitch of the compartments to accommodate protrusions of a dispenser, and at least one latch protruding outwards from a supply wall.

Printhead assembly datuming

Granted: August 22, 2017
Patent Number: 9738099
In one example, a datuming system to position a printhead assembly relative to a component external to the printhead assembly includes a first datum on the printhead assembly to establish a first plane, a first line, and a first point and a second datum on the printhead assembly to establish a second plane orthogonal to the first plane, a second line, and a second point.

Ink-jet ink printing system and method

Granted: August 22, 2017
Patent Number: 9738102
An ink-jet ink printing method and associated system can have a printer including an ink-jet ink. The ink includes an aqueous liquid vehicle, 1 wt % to 5 wt % pigment, 1 wt % to 5 wt % acrylic polymer particles, 0.3 wt % to 3 wt % urethane polymer particles, and is formulated to print on a vinyl medium. The system also includes a heating device. Upon applying heat to the ink-jet ink printed on the vinyl medium, the polymer particles in the printed ink fuse, and form a film encapsulating…

Thermal inkjet ink set

Granted: August 22, 2017
Patent Number: 9738808
A thermal inkjet ink set includes a pre-treatment fixing fluid, an ink, and a post-treatment fluid. The pre-treatment fixing fluid includes a metal salt. The ink includes an ink vehicle and a colorant. The post-treatment fluid includes a fluid vehicle and an anionic polyurethane acrylic hybrid polymer binder dispersed in the fluid vehicle. The anionic polyurethane acrylic hybrid polymer binder is present in an amount ranging from greater than 0 wt % to about 25 wt %. The anionic…

Forming 3-D nano-particle assemblies

Granted: August 22, 2017
Patent Number: 9739717
According to an example, methods for forming three-dimensional (3-D) nano-particle assemblies include depositing SES elements onto respective tips of nano-fingers, in which the nano-fingers are arranged in sufficiently close proximities to each other to enable the tips of groups of adjacent ones of the nano-fingers to come into sufficiently close proximities to each other to enable the SES elements on the tips to be bonded together when the nano-fingers are partially collapsed. The…

Liquid electrophotographic inks

Granted: August 22, 2017
Patent Number: 9740131
A method of manufacturing a liquid electrophotographic ink concentrate includes: milling a mixture comprising ink pigments and polyamine-based dispersants in the presence of milling media to produce nano-scale ink pigments having an average particle size of less than 100 nanometers; and attaching at least one nano-scale ink pigment near surfaces of a base resin particle to form a pigment-resin composition.

Imaging supply for a printer

Granted: August 22, 2017
Patent Number: 9740152
In one example, an imaging supply includes a container to contain an imaging material, a first memory on the container, and a second memory on the container different from the first memory. The first memory stores an indication that signed data is stored in the second memory and the second memory stores a digital signature to authenticate the imaging supply to a printer or an indication that unsigned data is stored in the second memory and the second memory stores consumables management…

Print glossing

Granted: August 22, 2017
Patent Number: 9740155
Print glossing is described. Print glossing can be performed on a glossing drum having a location affixed to a circumferential outer surface thereof, where the location transits from a first position in an apparatus having a first temperature range selected to enable reflow of ink applied to a substrate that is placed at the location to a second position in the apparatus having a second temperature range selected for clean release from the location of the ink applied to the substrate.

Assembly for removable display and input devices

Granted: August 22, 2017
Patent Number: 9740237
Embodiments of the present invention disclose a removable input device and assembly thereof. According to one embodiment, the assembly includes a base frame having a cavity for receiving the input device. A movable attachment member is formed on the base frame for facilitating attachment of a display device with the assembly. Furthermore, the input device is configured to removably attach to and from the base frame.

Mounting device

Granted: August 22, 2017
Patent Number: 9740249
A mounting device is disclosed. The mounting device has a handle rotatable between an open position and a closed position. The handle has latching features at each end that couple to mating latching features. As the handle is rotated from its open position towards its closed position, the latching features force the handle towards the mating latching features.

Ranking print jobs based on transfer media healthy area

Granted: August 22, 2017
Patent Number: 9740446
In an embodiment, a processor-readable medium stores code representing instructions that when executed by a processor cause the processor to access a list of print jobs for printing. The processor further determines a healthy area of a transfer media. For each job in the list, the processor calculates an image risk area (IRA) based on the healthy area, and ranks each job in a print order according to its IRA.

Distributing power usage data for low-level components of a computing device to subscribing programs

Granted: August 22, 2017
Patent Number: 9740587
Example embodiments disclosed herein relate to distributing information. A set of information about components of a computing device is retrieved from a low-level system of the computing device. Programs are determined to be sent data based on the set of information.

Method and apparatus for random access of data stored in a sequential manner

Granted: August 22, 2017
Patent Number: 9740704
A deduplication engine is operable to select at least two chunks of data for deduplication and deduplicate the selected at least two chunks of data. A first store is operable to store the deduplicated chunks of data in a sequential manner, and a second store is operable to store at least a portion of at least one chunk of the deduplicated data in a manner to allow random access, where data is accessed via the first and/or second store.

Point of sale data systems and methods

Granted: August 22, 2017
Patent Number: 9741025
Point of sale (POS) data systems, methods, and apparatuses are provided. A POS data system (100) can include a plurality of coupled POS devices (110) each including a processor and a data storage device (120). The data storage device can include logic (130) which, when executed by the processor provides point of sale functionality; data storage (140) accessible to at least one of the remaining coupled POS devices; and logic to allocate at least a portion of the data generated by a first…

Integrated antenna and proximity sensor element

Granted: August 22, 2017
Patent Number: 9742056
An example electronic device may include an antenna module comprising an active element and a ground plane. The electronic device may include a proximity sensor element integrated within the antenna module, wherein the proximity sensor element is to detect proximity of a user.

State-retaining logic cell

Granted: August 22, 2017
Patent Number: 9742403
A state-retaining logic cell may include a plurality of inverters, an output node non-volatile (NVM) storage cell, and an input node NVM storage cell. The plurality of inverters may include a feed-forward inverter and a feed-back inverter disposed in a back-to-back arrangement. The output node NVM storage cell may include first and second terminals, where the first terminal is connected adjacent an output node of the feed-forward and the feed-back inverters, and the second terminal is…

Rail for mounting a rack-mountable component

Granted: August 22, 2017
Patent Number: 9743550
A rail for mounting a rack-mountable component can include a longitudinal member having a first flange, a spring located proximal to the first end and having an uncompressed state and a compressed state, and a latch having a trigger arm and a cam arm, wherein moving the trigger arm toward the first flange engages the cam arm with the spring to transition the spring from the uncompressed state to the compressed state.