Hewlett-Packard Patent Applications

CERTIFICATE SCHEMAS FOR PUBLIC KEY CERTIFICATES

Granted: November 21, 2024
Application Number: 20240388450
A certificate schema for a public key certificate includes a schema identifier field and a root key identifier field. The certificate schema also includes a Cryptographic Mode of Use Attribute (CMA) field and a public key field.

Key Selection for an Extended Reality Keyboard

Granted: November 21, 2024
Application Number: 20240385699
In an example implementation according to aspects of the present disclosure, a XR system comprises an HMD which includes an HMD display, a user input device, and a processor operatively coupled with a computer readable storage medium and instructions stored on the computer readable storage medium that, when executed by the processor, direct the processor to display, by the HMD display, an XR keyboard to a user of the HMD, wherein the XR keyboard comprises keys lined along the perimeter…

FUSER COMPRISING HEAT TRANSFER MEMBER FOR PREVENTING OVERHEAT OF FUSING BELT

Granted: November 21, 2024
Application Number: 20240385558
An example fuser includes a rotatable pressure roller, a fusing belt to externally contact the pressure roller, a heater inside the fusing belt to heat the fusing belt, a nip plate including a surface facing the pressure roller to internally contact the fusing belt, a nip forming member inside the fusing belt to press the nip plate toward the pressure roller, and a heat transfer member, between the nip plate and the nip forming member, comprising a first area corresponding to a maximum…

THREE-DIMENSIONAL PRINTING WITH DIHYDRAZIDE ANTIOXIDANTS

Granted: November 14, 2024
Application Number: 20240375349
The present disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of making three-dimensional printed articles. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and a second fluid agent. The fusing agent can include water and a radiation absorber. The radiation absorber can absorb radiation energy and convert the radiation energy to heat. The fusing agent or the second fluid agent can…

EXPOSURES FOR AREAS OF IMAGE SENSORS

Granted: November 14, 2024
Application Number: 20240378849
In some examples, an electronic device includes a processor to detect a saturated highlight of a video frame. In response to the detection, the processor is to identify an area of the saturated highlight and adjust an exposure of an image sensor for the area of the saturated highlight.

Private Display for Head Mountable Device Authentication

Granted: November 14, 2024
Application Number: 20240378279
In an example implementation according to aspects of the present disclosure, a XR system comprises an HMD which includes an HMD display and a motion detection device, an external display of a computing device, and a processor operatively coupled with a computer readable storage medium and instructions stored on the computer readable storage medium that, when executed by the processor, direct the processor to detect an activation of a privacy mode; display, by the HMD display, a first…

VIRTUALIZED OVERCURRENT ALERTING

Granted: November 14, 2024
Application Number: 20240378102
The disclosed technology is directed to a computing device for triggering an alert to a user about an occurrence of overcurrent at a first USB port of the computing device. In some examples, the computing device includes a USB interface circuit, a system processor and a host controller. Responsive to detecting the occurrence of overcurrent at the first USB port, the USB interface circuit transmits an alert signal to the system processor through a control bus without communicating…

FUSING BASED ON BELT TEMPERATURE

Granted: November 14, 2024
Application Number: 20240377774
A fuser includes a heating member, a fusing belt including an inner circumferential surface, the fusing belt to be heated by the heating member by having the inner circumferential surface of the fusing belt in contact with the heating member, a first temperature sensor to sense a first temperature of an outer circumferential surface of the fusing belt, and a second temperature sensor to sense a second temperature of the heating member.

FLUORESCENCE DETECTION VIA OUTCOUPLERS

Granted: November 14, 2024
Application Number: 20240377324
In one example in accordance with the present disclosure, a fluorescence detection system is described. The fluorescence detection system includes a microfluidic chamber to receive a sample containing a compound to be detected. An illumination system provides an excitation light to excite fluorophores in the microfluidic chamber. An outcoupler is disposed between the illumination system and the microfluidic chamber to diffuse the excitation light to fill the microfluidic chamber. The…

PRINTERS AND ENCODERS

Granted: November 14, 2024
Application Number: 20240375414
Examples relate to machine readable storage storing machine readable instructions, arranged when implemented, to process a roller encoder signal, associated with rotation of a substrate engaging roller, and a drive encoder signal, associated with a drive for rotating a carrier bearing the substrate, to determine a characteristic associated with the substrate.

POLYMERASE CHAIN REACTION TEST WELL INCLUDING MAGNETIC PORTION

Granted: November 14, 2024
Application Number: 20240375108
A device includes at least one well to receive a polymerase chain reaction (PCR) mixture. The at least one well includes a bottom comprising an electrically resistive sheet and a transparent carrier layer. The electrically resistive sheet comprises a single unitary, central, first opening and is to receive a signal to generate heat for pulse-control amplification in first and second target thermal cycling zones in close thermal proximity to the bottom and on opposite sides of the first…

Embedded Security Hardware Proxy

Granted: November 7, 2024
Application Number: 20240372838
A host proxy executable within a virtualized environment hostable by a host computing device for a client device intercepts an embedded security hardware communication request sent by an application executable within the virtualized environment. The host proxy sends the embedded security hardware communication request to a client proxy executable on the client computing device. The client proxy relays the embedded security hardware communication request to embedded security hardware of…

Display Panel Operation Based on Eye Gaze Patterns

Granted: November 7, 2024
Application Number: 20240370086
In some examples, a computer-readable medium storing executable code which, when executed by a processor of an electronic device, causes the processor to store a relationship between a user eye gaze pattern and first conditions of the electronic device, identify second conditions of the electronic device, determine whether the second conditions match the first conditions, and responsive to the second conditions matching the first conditions, selectively operate a display panel of the…

Visibility of Frames

Granted: November 7, 2024
Application Number: 20240370081
In some examples, an electronic device includes an image sensor and a processor to determine a facial landmark count of a frame captured by the image sensor and adjust, responsive to the facial landmark count, a visibility of the frame.

FOLDING COMPUTING DISPLAYS

Granted: November 7, 2024
Application Number: 20240370052
The present disclosure describes a method of folding a computing display. An example method includes receiving a first force on a first side of a housing of a computing display. The method further includes applying a second force on a second side of the housing, responsive to receiving the first force on the first side of the housing. The method also includes causing the first side of the housing and the second side of the housing to fold over a center panel of the housing of the…

MEDIA LOADING

Granted: November 7, 2024
Application Number: 20240367931
According to an example, a media advance mechanism may comprise a movable assembly, a fixed assembly operatively coupled to the movable assembly, and an actuator to rotate the movable assembly with respect to the fixed assembly. The movable assembly may comprise a lateral guide extending along a length of the media path and a conveyor belt oriented towards the lateral guide, wherein the conveyor belt is to move a medium towards the lateral guide.

REGIONAL ADDITIVE MANUFACTURING THERMAL SENSORS

Granted: November 7, 2024
Application Number: 20240367384
In one example in accordance with the present disclosure, an additive manufacturing system is described. The additive manufacturing system includes an agent distribution device to selectively deposit an agent onto a layer of build material to form a layer of a three-dimensional (3D) object. The additive manufacturing system also includes a carriage to transport the agent distribution device across the layer of build material. The additive manufacturing system also includes an array of…

MICROFLUIDIC DEVICE

Granted: November 7, 2024
Application Number: 20240367171
A microfluidic device is described. The device comprises a reaction chamber, wherein the reaction chamber comprises at least one reaction reagent disposed on at least one inner surface of the reaction chamber. A heater is also provided. A thermally dissolvable or degradable or thermally degradable film is applied to the at least one inner surface of the reaction chamber on which the reaction reagent is disposed. Also described is a PCR apparatus and a method of performing PCR.

DEVELOPING DEVICE WITH STRUCTURE TO REGULATE DISCHARGING AMOUNT OF DEVELOPER

Granted: October 31, 2024
Application Number: 20240361721
A developing device includes a conveying member to circulate a developer in a housing, a developer discharge portion extending from one end portion of the housing to form a passage through which surplus developer is discharged from the housing, and a discharge regulation member located on an upstream side of the developer discharge portion with respect to a direction in which the developer is conveyed to the developer discharge portion by the conveying member to partially block a…

GENERATING A PRINT DATA FOR AN IMAGE

Granted: October 31, 2024
Application Number: 20240362443
Image data may indicate an average number of drops of printer fluid per pixel. Print data may be generated such that a total number of drops of printing fluid are deposited to a print medium during a pass in a forward direction and a pass in the reverse direction according to a distribution.