Hewlett-Packard Patent Grants

Custom halftone for limited edition prints

Granted: December 10, 2024
Patent Number: 12166945
Systems, apparatuses, and methods may provide for technology to control the printing of halftoning screen signatures for various levels of prints. For example, such prints may include regular edition prints or limited edition prints. During printing, a first halftoning screen is associated with one or more of the regular edition prints and a second halftoning screen is associated with the limited edition print, in some implementations. The second halftoning screen has a spatial frequency…

Performance improvement for encrypted traffic over IPSEC

Granted: December 10, 2024
Patent Number: 12166745
A packet that includes a header and a payload can be acquired. A first portion of the payload can be selected such that the first portion that is smaller than the payload. The header and the first portion of the payload can be encrypted based on an encryption algorithm to generate an encrypted packet. The encrypted packet can be transmitted to a node on a network.

Machine learning based firmware version recommender

Granted: December 10, 2024
Patent Number: 12166629
Examples of the presently disclosed technology provide automated firmware recommendation systems that inject the intelligence of machine learning into the firmware recommendation process. To accomplish this, examples train a machine learning model on troves of historical customer firmware update data on a dynamic basis (e.g., examples may train the machine learning model on weekly basis to predict accepted firmware updates made by a vendor's customers across the most recent 6 months).…

Operational change control action

Granted: December 10, 2024
Patent Number: 12164363
According to aspects of the present disclosure, a system, method, and storage medium comprising a plurality of sensors communicatively coupled to a microcontrol unit (MCU) wherein the MCU controls the transition between operational states. The MCU receives a system-related datum from one of the plurality of sensors. The MCU determines a control action based on the system-related datum. The MCU executes the control action on the system. The MCU sends a state change datum to a firmware…

Fixing apparatus for minimizing abrasion of contact surface between heater and fixing belt

Granted: December 10, 2024
Patent Number: 12164250
An example fixing unit includes a flexible fixing belt, a backup member located outside the fixing belt to form a fixing nip, and a plate heater in contact with the fixing belt to heat the fixing belt in the fixing nip, wherein the fixing belt includes a first abrasion prevention layer disposed on a surface facing the plate heater and including polyetheretherketone (PEEK), and the plate heater includes a second abrasion prevention layer in contact with the first abrasion prevention layer…

White inkjet ink

Granted: December 10, 2024
Patent Number: 12163035
An example of a white inkjet ink includes: a non-self-dispersed white pigment; from about 0.005 wt % to about 1 wt %, based on a total weight of the white inkjet ink, of an anionic copolymer dispersant having a weight average molecular weight (Mw) ranging from about 125,000 g/mol to about 30,000,000 g/mol; a polymeric binder; and an aqueous vehicle. The white inkjet ink may be used in a textile printing kit.

Offset print apparatus and methods

Granted: December 10, 2024
Patent Number: 12162265
Offset print apparatus comprises a blanket arranged in a closed loop around a plurality of rollers. Each of the plurality of rollers is rotatable about a respective roller axis to support and convey the blanket around the closed loop. The plurality of rollers comprises: a primary steering roller rotatable about a primary roller axis and being pivotable about a primary steering axis perpendicular to the primary roller axis; and a secondary steering roller rotatable about a secondary…

Lubrication for carriage beam arrangements

Granted: December 3, 2024
Patent Number: 12157323
It is hereby disclosed a carriage arrangement for lubricating a carriage, wherein the arrangement comprises: a carriage; a carriage beam; a drive mechanism to move the carriage along a longitudinal direction of the carriage beam; and a lubrication roller at a fixed position relative to the carriage beam, the lubrication roller having an outer surface with a non-lubricating section and a lubricating section each at a determined angular position; wherein the carriage is to contact the…

Providing solutions on an error occurred

Granted: December 3, 2024
Patent Number: 12158798
An example error handling method includes detecting an error in an image forming apparatus, transmitting error information regarding the detected error to an external apparatus, identifying an error category based on the error information, providing a solution corresponding to the error information to the image forming apparatus based on the identified error category, transmitting result information obtained by applying the provided solution to the external apparatus, and updating the…

Picking media sheets from media trays with retries

Granted: December 3, 2024
Patent Number: 12157654
An example method for picking a media sheet from a media tray, the method comprising: controlling a media picker to perform a pick procedure to pick the media sheet from the media tray; upon detecting an error condition in the pick procedure, translating the media sheet in a direction within a plane of the media sheet; and controlling the media picker to retry the pick procedure to pick the media sheet from the media tray.

Sensing build material in additive manufacturing systems

Granted: December 3, 2024
Patent Number: 12157274
An additive manufacturing system having a sensor module. The sensor module including a distance sensor to provide an indication of a position of a top surface of a volume of build material. The system includes a processor to determine whether the volume of build material should be reformed based on the indication.

Interfaces and processes for biological characteristics handling in head-mountable devices

Granted: December 3, 2024
Patent Number: 12157051
According to aspects of the present disclosure, there are provided methods and apparatus for providing a user characteristics determination module for use with a head-mountable display device, comprising: a biological characteristics handler to determine whether biological sensor data is indicative of a predefined biological characteristic of the user; and determination logic to determine and output a predefined response to the determined biological characteristic of the user.

Techniques for providing hypertext transfer protocol through a secure environment

Granted: November 26, 2024
Patent Number: 12155667
In some examples, a system receives a request from a client device to access a web resource through a zero trust network environment, wherein the web resource is external to the zero trust network environment, the request including a first uniform resource locator (URL), and the web resource including a second URL; fetching the web resource based on the first URL; generating an alternate resource, the alternate resource including an alternate URL replacing the second URL; and providing…

Framing in a video system using depth information

Granted: November 26, 2024
Patent Number: 12154287
A method may include obtaining, using a head detection model and for an image of a video stream, head detection information for heads detected in the image. The head detection information may include depth distances of the heads. Method may also include obtaining bounding boxes, where obtaining the bounding boxes may include obtaining head bounding boxes for the heads detected in the image, and combining at least two of the head bounding boxes into a combined bounding box according to…

Facilitating an automated, interactive, conversational troubleshooting dialog regarding a product support issue via a chatbot and associating product support cases with a newly identified issue category

Granted: November 26, 2024
Patent Number: 12154117
Embodiments described herein are generally directed to use of a chatbot to identify a customer-specified product support issue and provide appropriate troubleshooting guidance. According to an example, free text input describing an issue associated with a product line of a vendor is received from a user via a chatbot. A vector representation of the issue is created by tokenizing and vectorizing the free text input using a word association model corresponding to the product line. It is…

Computing devices with integrated and isolated liquid cooling

Granted: November 26, 2024
Patent Number: 12153480
An example computing device includes: a housing; a liquid cooling system; a first compartment of the housing that contains processing components; a second compartment of the housing that contains cooling components of the liquid cooling system; an airgap in the housing that physically separates and thermally isolates the first compartment and the second compartment, the airgap defined by external surfaces of the housing; and, a conduit of the housing that joins the first compartment and…

Nickel-free sealing of anodized metal substrates

Granted: November 26, 2024
Patent Number: 12152310
The present subject matter relates to Nickel-free (Ni-free) sealing of anodized metal substrates. In an example mentation of the present subject matter, an anodized metal substrate is disposed with a first layer of a Ni-free sealing material over a surface of the anodized metal substrate. Further, a second layer of a second sealing material is disposed atop the first layer to sandwich the first layer of Ni-free sealing material between the surface of the anodized metal substrate and the…

Disposable microfluidic cassettes

Granted: November 19, 2024
Patent Number: 12145149
A disposable microfluidic cassette can include a substrate and an engagement feature associated with the substrate to removably join the cassette with a cassette-receiver of an analytical system. A microfluidic network can be carried by the substrate. The microfluidic network can include a fluid inlet, a fluid outlet, and a sample manipulation portion fluidly coupling the fluid inlet to the fluid outlet. An ejector can be associated with the microfluidic network to move fluid out of the…

Selectively switching client device remote control of host device between hardware- and software-based remote control modes

Granted: November 19, 2024
Patent Number: 12147821
A host device has a hardware-based remote control mode and a softwarebased remote control mode. The availability of each of the hardware- and software-based remote control modes is monitored. Client device remote control of the host device is selectively switched between the hardware- and softwarebased remote control modes, based on the monitored availability of each remote control mode.

Virtualized overcurrent alerting

Granted: November 19, 2024
Patent Number: 12147294
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…