Hewlett-Packard Patent Grants

Virtual reality headsets and method of managing user experience with virtual reality headsets

Granted: December 12, 2023
Patent Number: 11843764
A method of managing user experience with a virtual reality (VR) headset includes: with a server, receiving data from a number of sensors that are detecting parameters associated with a user during use of the VR headset; with the server, analyzing the data from the sensors to predict a negative effect on the user from the use of the VR headset; and with the server, taking action to minimize the negative effect on the user that is predicted.

Blockchain-based distributed ledgers for image forming apparatuses

Granted: December 12, 2023
Patent Number: 11843703
In one example, a cloud printing server may include a processor and a memory coupled to the processor. The memory may include a blockchain management component to register an image forming apparatus with a blockchain associated with multiple entities of a blockchain network, create a distributed ledger relating to the blockchain, create a ledger entry including information indicating operational state and configuration data of the image forming apparatus in the distributed ledger, and…

Resource allocation for synthetic backups

Granted: December 5, 2023
Patent Number: 11836053
Example implementations relate to metadata operations in a storage system. An example storage system includes a machine-readable storage storing instructions executable by a processor to determine to generate a synthetic full backup based on data stream representations of a plurality of data streams. The instructions are also executable to, in response to a determination to generate the synthetic full backup, create a logical group including the data stream representations. The…

Slider-based HBA internal lock

Granted: December 5, 2023
Patent Number: 11839029
One aspect provides an apparatus for locking circuit boards in position between a pair of guide rails. The apparatus can include a slider attached to a sidewall of one guide rail. The slider is allowed to slide along the guide rail within a predetermined range and one or more plunger-and-spring assemblies. A respective plunger-and-spring assembly comprises a plunger and a spring surrounding the plunger, and the plunger is inserted into a through-hole on the sidewall of the guide rail…

System and a method for recognizing and addressing network alarms in a computer network

Granted: December 5, 2023
Patent Number: 11838173
The present invention relates a system and a method of recognizing and addressing network alarms in a computer network. A network adapter is configured to receive network alarms related to operating condition of network devices present in the computer network, wherein the network devices are managed by different vendors. Information present in the network alarms is analyzed to determine elements indicating the operating condition of the network devices. The elements may comprise at least…

Factory calibration measurement data

Granted: December 5, 2023
Patent Number: 11837126
An example display system includes a load engine and a calibration engine. The load engine causes an inquiry for current calibration measurement data and retrieves factory calibration measurement data when the current calibration measurement data is unavailable. The calibration engine receives a target set of display characteristics, generates a color profile from a native panel performance representation to operate a display according to the target set of display characteristics, and…

Data storage device power provisions

Granted: December 5, 2023
Patent Number: 11836358
A system comprises a power source and two power rails coupled to the power source. A storage device, comprising a non-volatile memory, a cache coupled to the non-volatile memory, and a control pin, is coupled to the second power rail. A power management controller is coupled to the first power rail and to a control pin of the storage device. The power management controller stops the provision of power via the first power rail and provides a signal to the storage device via the control…

Digital pen sensor surface

Granted: December 5, 2023
Patent Number: 11836304
An example electronic device includes an active digital pen sensor surface to generate analog position information, wherein the active digital pen sensor surface includes a projective capacitive sensor layer with a variance of sheet resistance of less than plus or minus 20 percent. The electronic device also includes a controller, including a sigma-delta analog-to-digital (A-to-D) converter, to generate digital pen position information based on the analog position information, and…

Keyboard device to switch between operating system modes

Granted: December 5, 2023
Patent Number: 11836298
Examples of a keyboard device to switch between operating system (OS) modes are described herein. In some examples, the keyboard device may include a key that includes a lighting element that switches between lighting modes based on a selected OS mode. The lighting mode may indicate the selected OS mode.

Storage devices with secure power and data access

Granted: December 5, 2023
Patent Number: 11836279
An example device includes a physical storage medium, a wireless power circuit, and a portable sealed housing containing the physical storage medium and the wireless power circuit. The physical storage medium stores a first security protocol to activate the wireless power circuit, and a second security protocol to allow data transfer between the physical storage medium and a host device.

Structure for opening and shutting of sensor for detecting toner remaining in toner cartridge

Granted: December 5, 2023
Patent Number: 11835884
An example image forming apparatus includes a main body having a guide frame to guide a toner cartridge on a path for detachment and attachment, a sensor to sense a remaining toner level of the toner cartridge, and a shutter member disposed to move along the guide frame in association with the attachment and detachment of the toner cartridge. In response to separation of the toner cartridge from the guide frame, the shutter member is movable to a first position covering the sensor and,…

Graphene printing

Granted: December 5, 2023
Patent Number: 11834739
Graphene printing is disclosed. A disclosed example graphene printing apparatus includes a gas source to cause a graphene precursor gas to flow across a surface of a substrate, and a localized heat source to locally heat portions of the surface to cause graphene to grow at the portions of the surface based on a printing pattern.

Coatings for optical drop detectors

Granted: December 5, 2023
Patent Number: 11833815
An example of an apparatus is provided. The apparatus includes a printhead to dispense drops of print fluid on a media. The drops are to travel along a drop path through air from the printhead. In addition, the apparatus includes a light source to emit light across the drop path. The apparatus also includes a detector to detect an intensity of the light received from the light source. The drop path is to intersect an optical path from the light source to the detector. Furthermore, the…

Air purging

Granted: December 5, 2023
Patent Number: 11833808
Examples of air purging from a fluid delivery tube of an imaging device are described. In an example, air is removed from the fluid delivery tube by an air purging unit prior to coupling a cartridge in the imaging device.

Submitting 3D object models for 3D printing having stored digital model in a 3D print file as an integerized triangle mesh

Granted: December 5, 2023
Patent Number: 11833758
In an example implementation, a method of submitting 3D object models to a 3D printing system includes receiving a digital object model as a triangle mesh, and integerizing floating-point X, Y, Z, coordinate values of triangle vertices that define triangles of the triangle mesh. The method includes storing the digital object model in a 3D print file as an integerized triangle mesh comprising the integerized X, Y, Z, coordinate values, and then submitting the 3D print file with the…

Three-dimensional printing

Granted: December 5, 2023
Patent Number: 11833751
A materials kit for 3D printing can include a powder bed material including from about 60 wt % to 100 wt % composite fibers having an average aspect ratio from about 3:1 to about 30:1 and a fusing agent including an energy absorber to absorb electromagnetic radiation to produce heat. The composite fibers can include glass fibers coated with an encapsulating polymer, wherein the glass fibers can be included at from about 5 wt % to about 40 wt % based on the total weight of the powder bed…

Three-dimensional printing

Granted: December 5, 2023
Patent Number: 11833750
An example of a three-dimensional (3D) printing kit includes a build material composition, an epoxy agent to be applied to at least a portion of the build material composition during 3D printing, and a fusing agent to be applied to the at least the portion of the build material composition during 3D printing. The build material composition includes a polyamide having an amino functional group. The epoxy agent includes an epoxy having an epoxide functional group to react with the amino…

Selecting between black print and process black print

Granted: November 28, 2023
Patent Number: 11827029
An example method comprises identifying a plurality of supply levels corresponding to a set of print supplies of a print device. The example method further comprises coordinating depletion of the set of print supplies by selecting between black print and process black print for a print job of the print device based on the plurality of supply levels.

Automatic document feeder with automated media tray

Granted: November 28, 2023
Patent Number: 11827480
An automatic document feeder includes a media path to route media through the automatic document feeder, and an automated media tray to receive the media from the media path, with the automated media tray to be positioned based on input of the media to the media path.

Knockdown for compiling recording media in finisher

Granted: November 28, 2023
Patent Number: 11827043
A knockdown apparatus for a finisher includes a register tray, a paddle coupled to a rotatable shaft to compile a recording medium toward an end of the register tray, and a knockdown device, provided above the register tray, to rotate to apply a downward force to the recording medium while the recording medium is in the register tray to decrease a curl in the recording medium.