Hewlett-Packard Patent Grants

Charging member having a surface layer comprising urethane foam

Granted: May 14, 2024
Patent Number: 11982949
A charging member for an image forming apparatus may include a conductive support and a surface layer on the conductive support and spaced apart from a photosensitive member. The surface layer may include a urethane foam including foam cells and having a foam structure based on the foam cells, the foam cells including open cells.

Matching active speaker pose between two cameras

Granted: May 14, 2024
Patent Number: 11985417
Described are multiple cameras in a conference room, each pointed in a different direction. A primary camera includes a microphone array to perform sound source localization (SSL). The SSL is used in combination with a video image to identify the speaker from among multiple individuals that appear in the video image. Pose information of the speaker is developed. Pose information of each individual identified in each other camera is developed. The speaker pose information is compared to…

Dragonfly routing with incomplete group connectivity

Granted: May 14, 2024
Patent Number: 11985060
Systems and methods are provided for managing a data communication within a multi-level network having a plurality of switches organized as groups, with each group coupled to all other groups via global links, including: at each switch within the network, maintaining a global fault table identifying the links which lead only to faulty global paths, and when the data communication is received at a port of a switch, determine a destination for the data communication and, route the…

Selecting forwarder in a network installation

Granted: May 14, 2024
Patent Number: 11985038
Examples described herein relate to a selection of a network device in a network installation for a forwarder operation. Selection may include computing a performance score based on a set of performance parameters. Broadcasting the computed performance score to other network devices. Receiving performance scores from the other network devices. Comparing the received performance scores with the computed performance score. Continuing in the forwarder mode based on a determination that the…

Systems and methods for seamless failover in branch deployments by superimposing clustering solution on VRRP

Granted: May 14, 2024
Patent Number: 11985027
Systems and methods are provided for providing a clustering solution and a Virtual Router Redundancy Protocol (VRRP) platform for a branch deployment of at least a first gateway and a second gateway. The VRRP platform can be associated with a VRRP Internet Protocol (IP) address and the first gateway configured as a VRRP master. A change in an operational status of the first gateway can be determined with the clustering solution. The second gateway can be caused to be configured, with the…

Multicast WAN optimization in large scale branch deployments using a central cloud-based service

Granted: May 14, 2024
Patent Number: 11985004
Systems and methods are provided for reducing WAN bandwidth consumption used by multicast for large scale software-defined branch deployments. In particular, a cloud-based multicast orchestrator may be implemented as part of an SD-WAN service. This cloud-based multicast orchestrator may orchestrate routes for multicast traffic between a multicast source and the various branches of the large scale software-defined branch deployment. This cloud-based multicast orchestrator may orchestrate…

Virtual machines to install untrusted executable codes

Granted: May 14, 2024
Patent Number: 11983263
In some examples, an electronic device includes a processor to allow installation of an untrusted executable code to a virtual machine, monitor the installation and execution of the untrusted executable code, and, responsive to a determination that an executed amount of the untrusted executable code is less than a threshold amount, prompt a user to continue the execution of the untrusted executable code.

Leader election in a distributed system based on node weight and leadership priority based on network performance

Granted: May 14, 2024
Patent Number: 11983074
Example implementations relate to consensus protocols in a stretched network. According to an example, a distributed system includes continuously monitoring network performance and/or network latency among a cluster of a plurality of nodes in a distributed computer system. Leadership priority for each node is set based at least in part on the monitored network performance or network latency. Each node has a vote weight based at least in part on the leadership priority of the node. Each…

Flexible printed material

Granted: May 14, 2024
Patent Number: 11982974
A method of forming a flexible printed material is described. The method comprises applying a layer of primer onto a flexible substrate; electrostatically printing onto the layer of primer a liquid electrostatic ink composition; applying a curable overprint varnish composition onto the printed electrostatic ink composition and curing the overprint varnish composition using electron beam irradiation. The curable overprint varnish composition comprises an ethylenically unsaturated monomer,…

Prevention of fire by absorbing local latent heat of fixing belt

Granted: May 14, 2024
Patent Number: 11982955
A device to prevent fire of a fusing belt having a heater positioned inside includes at least one temperature control member adjacent to one side of the fusing belt and, when the at least one temperature control member detects abnormal heat from the fusing belt based on a temperature of the fusing belt, the at least one temperature control member to cut off a supply of electricity to the heater to prevent the fire. The device also includes a heat absorption member adjacent to the other…

3-dimensional printed parts

Granted: May 14, 2024
Patent Number: 11981075
A 3-dimensional printed part can include a part body including a first matrix of fusing agent and thermoplastic polymer powder, a security feature including a second matrix of fusing agent, thermoplastic polymer powder, and photoluminescent agent, and a masking feature including a third matrix of fusing agent and thermoplastic polymer powder. The security feature can be positioned beneath and visible through the masking feature upon photoluminescent emission of the security feature.

Security system having an electronic lock to control access to electronic devices

Granted: May 14, 2024
Patent Number: 11982108
Example implementations relate to a security system having an electronic lock including latch and security modules, to control access to electronic devices. The latch module includes a receiver, a handle, and a torque member rotatably coupled to the receiver and handle. The receiver includes a first recess, a second recess, and a lobe to releasably engage the electronic device within the first recess. The security module includes a tension spring, an actuator, and a lock member having a…

Shared media paths

Granted: May 14, 2024
Patent Number: 11981534
In some examples, the disclosure describes a device that includes a first media tray positioned at a media input of a pick and separation mechanism, a second media tray positioned at the media input of the pick and separation mechanism, a media scan guide to position a sheet of print media at the media input of the pick and separation mechanism, a shared media path comprising a turn roller to receive the sheet of print media from the pick and separation mechanism from a first direction…

Image formation medium assembly with resin

Granted: May 14, 2024
Patent Number: 11981149
A device includes an image formation medium supply, a first portion, and a second portion. The image formation medium supply is to supply a non-absorptive, image formation medium along a travel path and to which a ground element is to be electrically connected. The first portion along the travel path is to receive droplets of ink particles and a non-aqueous resin within a dielectric, non-aqueous carrier fluid on the image formation medium to form at least a portion of an image on the…

Determining new remaining usage of cartridge

Granted: May 14, 2024
Patent Number: 11981144
An example printing material cartridge may include an input/output device and a memory. The memory may store an identifier of the cartridge, a usage counter of the cartridge, and an indicator that the cartridge has reached a usage threshold. The memory may also store a usage offset equal to a historical usage of the cartridge, the usage offset for determining a new remaining usage of the cartridge.

Print liquid supply

Granted: May 14, 2024
Patent Number: 11981143
An interface structure connectable to a separate liquid reservoir, to connect that liquid reservoir to a receiving station, comprising a liquid interface to fluidically connect to at least one liquid needle of the receiving station, a liquid channel, to fluidically connect the liquid interface to the reservoir, a support wall supporting an integrated circuit laterally next to the liquid channel, the integrated circuit having contact pad contact surfaces, and a front push area adjacent…

Heating print agent on print media

Granted: May 14, 2024
Patent Number: 11981121
Examples relate to methods to heat a print agent deposited on a print agent, print an image on a print media and heating systems for a heating a print agent deposited on a print media. A heating system comprises a radiation emitter to irradiate a print agent deposited on a print media, a reflector to reflect a radiation emitted by the radiation emitter back to the radiation emitter, and a displacing member to shift the heating system between a pre-heating position wherein the radiation…

Three-dimensional (3D) printed objects with fracture channels

Granted: May 14, 2024
Patent Number: 11981087
In one example in accordance with the present disclosure, a system is described. The system includes a fracture channel controller to determine fracture channels for a three-dimensional (3D) printed object. Portions of the 3D printed object along fracture channels are to be solidified to a lesser degree as compared to non-channel portions of the 3D printed object. The system also includes an additive manufacturing controller to control an additive manufacturing device. The additive…

Lifecycle condition-based manufacturing alteration

Granted: May 14, 2024
Patent Number: 11981084
In one example in accordance with the present disclosure, a system is described. The system includes a reader to read an identifier from a storage element associated with a part. An extractor of the system extracts, based on the identifier, lifecycle conditions specific to the part. A controller of the system alters manufacturing operations based on extracted lifecycle conditions for the part.

Build material supply units

Granted: May 14, 2024
Patent Number: 11981080
According to one example there is provided a build material supply unit for additive manufacturing systems. The build material supply unit may comprise a sloping support surface for the build material, which has no hard edges, a mesh above the sloping support surface, and a vibrator to vibrate the mesh and cause the descent of build material.