Hewlett-Packard Patent Grants

Nonrotating nonuniform electric field object rotation

Granted: January 21, 2025
Patent Number: 12204085
A three-dimensional object modeling method may include applying a nonrotating nonuniform electric field to apply a dielectrophoretic torque to a three-dimensional object to rotate the three-dimensional object, capturing images of the object at different angles during rotation of the object and forming a three-dimensional model of the object based on the captured images.

Identifications of deviations relating to assemblies of components

Granted: January 21, 2025
Patent Number: 12207415
In some examples, a system derives a first representation of an assembly of components based on a first source of information, and derives a second representation of the assembly of components based on a second source of information that is of a different type than the first source of information, where the second representation includes any or a combination of an indication of a source of a respective component of the assembly of components, or placement location information of a…

Facilitating fast re-route in high-availability networks

Granted: January 21, 2025
Patent Number: 12206582
A system for efficiently determining a set of next-hop switches from a switch is provided. During operation, the system can determine the plurality of next-hop switches for an Internet Protocol (IP) address prefix. The system can then store, in an entry of a forwarding data structure of the switch, a list of identifying information indicating the plurality of next-hop switches corresponding to the IP address prefix. The identifying information for the plurality of next-hop switches can…

Frame processing at an access point

Granted: January 21, 2025
Patent Number: 12206518
In embodiments of the present disclosure, a method is provided for performing a frame processing operation on a broadcast/multicast frame at a physical access point (AP). A pre-processing operation is performed on the frame at a protocol layer between a physical layer and an upper layer of the AP to obtain a pre-processed frame. The pre-processing operation comprises a common operation to be performed for the plurality of virtual interfaces at the protocol layer. In this way, by…

Power allotment adjustment in a power sourcing equipment (PSE) of a power over ethernet system based on event detection at another PSE

Granted: January 21, 2025
Patent Number: 12206513
A Power-over-Ethernet (POE) powered device (PD) may be coupled to two power sourcing equipments (PSEs), a PSE and an additional PSE. The PSE may exchange a transport layer protocol communications with the additional PSE. The communications comprising a first communication from the PSE to the additional PSE indicative of a PoE configuration of the PSE and a second communication from the additional PSE to the PSE indicative of a PoE configuration of the additional PSE. The PSE may create a…

Victim row counters in memory devices

Granted: January 21, 2025
Patent Number: 12205626
In some examples, a memory device includes a plurality of rows of memory cells, a plurality of victim counters associated with respective rows of memory cells of the plurality of rows of memory cells, and a plurality of aggressor counters associated with the respective rows of memory cells. A first victim counter of the plurality of counters is associated with a first row of the plurality of rows of memory cells, the first victim counter to advance in response to advances in counts of…

Resistive and digital processing cores

Granted: January 21, 2025
Patent Number: 12204961
In some examples, a device includes a first processing core comprising a resistive memory array to perform an analog computation, and a digital processing core comprising a digital memory programmable with different values to perform different computations responsive to respective different conditions. The device further includes a controller to selectively apply input data to the first processing core and the digital processing core.

Compressible energizing elements

Granted: January 21, 2025
Patent Number: 12204697
In some examples, a device can include a magnetic element coupled to a cap, a compressible energizing element surrounding the magnetic element, an electrical device coupled to the compressible energizing element to provide a current, and a processor resource to adjust a current applied to the compressible energizing element based on a selected resistance level.

Monitoring operating system invariant information

Granted: January 21, 2025
Patent Number: 12204639
In some examples, a system executes a monitor separate from an operating system (OS) that uses mapping information in accessing data in a physical memory. The monitor identifies, using the mapping information, invariant information, that comprises program code, of the OS without suspending execution of the OS, the identifying comprising the monitor accessing the physical memory independently of the OS. The monitor determines, based on monitoring the invariant information of the OS,…

Developer roller

Granted: January 21, 2025
Patent Number: 12204260
A developer roller having a first section that includes a first exterior surface, wherein the first exterior surface includes an electrically-conductive material; and a second section includes a second exterior surface, wherein the second exterior surface is non-electrically-conductive. The second section is axially aligned with the first section and provided at a first longitudinal end of the first section.

White ink compositions

Granted: January 21, 2025
Patent Number: 12202992
The present disclosure includes a white ink composition including a liquid vehicle with water and organic co-solvent, from 0.5 wt % to 15 wt % white metal oxide particles dispersed in the liquid vehicle, and from 0.1 wt % to 30 wt % of polyurethane particles dispersed in the liquid vehicle. The polyurethane particles include a polyurethane polymer with polymerized sulfonated-diamines, polymerized nonionic diamines, and isocyanate-generated self-crosslinked amines.

Platen with edge spit openings

Granted: January 21, 2025
Patent Number: 12202254
Examples of a platen for a printing device are described. In some examples, the platen may include a spit opening located at a side of the platen. In some examples, the spit opening may include an angled lead-in edge to facilitate travel of print media in the printing device. In some examples, an inside portion of a leading edge of the print media contacts the angled lead-in edge of the spit opening and pulls an outside edge of the print media up as the print media moves across the…

Three-dimensional object production

Granted: January 21, 2025
Patent Number: 12202195
An example apparatus to produce a three-dimensional object comprises a controller, a build area configured to receive a layer of particulate material, a printhead, and an ultraviolet light emitting diode energy source. The controller is to cause the printhead to deposit a liquid which absorbs ultraviolet radiation onto the layer of particulate material. The controller is further to cause the ultraviolet light emitting diode energy source to irradiate the liquid, after the liquid has been…

Circulation paths for fluid dispensing devices

Granted: January 21, 2025
Patent Number: 12202039
In some examples, a fluid system includes a support structure to attach a fluid dispensing device comprising a fluid chamber to contain a fluid, and an orifice to dispense the fluid from the fluid chamber. The fluid system includes a circulation path comprising a path portion in the fluid dispensing device, the circulation path to circulate a fluid flow through the fluid chamber to remove, from the fluid chamber, a particle ingested through the orifice. A filter in the circulation path…

Three-dimensional printing

Granted: January 14, 2025
Patent Number: 12194531
This application describes kits, methods, and systems of three dimensional printing. In some examples, described herein are three-dimensional object printing kits comprising a metallic or a ceramic build material, a polymeric binder dispersed in an aqueous liquid vehicle, and a boundary fluid comprising thermally expandable particles.

Cooling module and a method of cooling an electronic circuit module using the cooling module

Granted: January 14, 2025
Patent Number: 12200902
Example implementations relate to a cooling module, and a method of cooling an electronic circuit module. The cooling module includes first and second cooling components fluidically connected to each other. The first cooling component includes a first fluid channel having supply, return, and body sections, and a second fluid channel. The second cooling component includes an intermediate fluid channel. The body section is bifurcated into first and second body sections, and the first and…

Side-mounted lock for HBA card

Granted: January 14, 2025
Patent Number: 12200891
One aspect of the instant application provides an apparatus for locking a circuit board in position. The apparatus can include a cam latch, a plunger, and a hinge pin coupling the cam latch and the plunger. The cam latch is positioned to rotate around the hinge pin, and the rotation of the cam latch causes a linear motion of the plunger in a plane parallel to a component-mounting surface of the circuit board, thereby facilitating locking and unlocking of the circuit board.

Eye movement controls in extended reality

Granted: January 14, 2025
Patent Number: 12196953
In example implementations, an apparatus is provided. The apparatus includes a display, an eye tracking sensor, and a processor. The eye tracking sensor is to capture eye movements of a user. The processor is in communication with the display and the eye tracking sensor. The processor is to identify a type of eye movement from the eye movements captured by the eye tracking sensor and activate a control that is shown in the display.

Printer recirculation control

Granted: January 14, 2025
Patent Number: 12194755
Certain examples relate to controlling recirculation processes in a printing apparatus. An example printing material cartridge includes a reservoir storing printing material to supply a printing apparatus; memory; and instructions for controlling a recirculation process in the printing apparatus, the instructions stored in the memory, the recirculation process to cause the printing material to move between the reservoir and a second printing material cartridge, the second printing…

Modification of a 3D model of a 3D object

Granted: January 14, 2025
Patent Number: 12194533
According to examples, an apparatus may include a processor and a memory on which are stored machine-readable instructions that when executed by the processor, cause the processor to access a 3D model of a 3D object to be fabricated and apply a deformation model to the 3D model. In some examples, the processor may generate a modified 3D model that compensates for a determined deformation of the 3D object during a sintering process for the 3D object. In some examples, the deformation…