Abstract: A print liquid supply apparatus comprising a container to hold print liquid and an interface structure to fluidically connect the container to a receiving station wherein the interface structure projects outwards with respect to the container and comprises a liquid interface to fluidically connect to a corresponding fluidic interface of the receiving station and a liquid channel fluidically connecting the container and the liquid interface.

Abstract: 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 include a water-soluble or water-dispersible dihydrazide antioxidant.

Abstract: 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 fluorescence detection system also includes a detection system to detect fluorescence generated by the excitation of the fluorophores in the microfluidic chamber.

Abstract: 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 series of images to a user of the HMD; display, by the external display, a second series of images to other users; capture, by the motion detection device, movements of the user selecting a sequence of images of the first series of images displayed on the HMD display; and authenticate the user based on the movements of the user.

Abstract: 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.

Abstract: 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 directly with the host controller. The system processor determines the alert signal indicates the occurrence of overcurrent at the first USB port and sets an overcurrent register at the host controller to a first value to indicate the occurrence of overcurrent at the first USB port. The host controller triggers the alert to the user responsive to the overcurrent register being set to the first value.

Abstract: 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 opening. The transparent carrier layer is co-extensive with at least the first opening. A magnetic structure is to apply first and second magnetic force portions through the bottom on opposite sides of the first opening to draw superparamagnetic beads, functionalized with single-stranded nucleic acids of the PCR mixture, into the respective first and second target thermal cycling zones.

Abstract: 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.

Abstract: 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.

Abstract: A method of stabilizing performance of a processing device may include determining a maximum operational temperature of any number of cores of a processing device from a thermal control circuit of the processing device; setting a maximum power based on a maximum thermal capacity of the processing device to a power lower than the maximum operational temperature; increasing the power provided to the processing device when the maximum thermal capacity is below a set temperature; and placing the power provided to the processing device to an intermediate power level relative to the operational temperature and the maximum thermal capacity when operations of the processing device are to exceed the operational temperature of any of the cores of the processing device.

Abstract: Systems and methods are provided for optimally allocating resources used to perform multiple tasks/jobs, e.g., machine learning training jobs. The possible resource configurations or candidates that can be used to perform such jobs are generated. A first batch of training jobs can be randomly selected and run using one of the possible resource configuration candidates. Subsequent batches of training jobs may be performed using other resource configuration candidates that have been selected using an optimization process, e.g., Bayesian optimization. Upon reaching a stopping criterion, the resource configuration resulting in a desired optimization metric, e.g., fastest job completion time can be selected and used to execute the remaining training jobs.

Abstract: A shaping composition for controlling deformation of a green body object during heat fusing can include a liquid vehicle present at from 10 wt % to about 80 wt %, based on a total weight of the shape retaining composition, and a metal particulate mixture present at from about 20 wt % to about 90 wt % based on a total weight of the shaping composition. The metal particulate mixture can include aluminum-containing particulates and secondary metal-containing particulates. The metal particulate mixture can have an aluminum elemental content to secondary metal elemental content atomic ratio of about 10:1 to about 1:2.

Abstract: An example printing fluid pen comprises a plurality of fluid ports, including an inlet port to direct fluid from a fluid reservoir to a fluid ejection device, and a recirculation port to direct fluid from the fluid ejection device out of the inkjet pen. The example pen also includes a plurality of parallel fluid pressure regulators fluidly coupled with the inlet port, each of the plurality of parallel fluid pressure regulators to receive fluid from the inlet fluid port.

Abstract: Methods and systems for making three-dimensional printed articles. In one example, a method of making a three-dimensional article can include printing a conductive element including a composite of a conductive material and a polymeric build material; printing an adjacent portion in contact with the conductive element, where the adjacent portion includes a nonconductive polymeric build material; and heating the conductive element by running an electric current through the conductive element, and thereby heating the adjacent portion to a temperature sufficient to change a physical property of the nonconductive polymeric build material of the adjacent portion.

Abstract: According to one aspect, there is provided an apparatus and a method for extracting 3D printed parts from a build unit (114) in cleaning station comprising obtaining data representing the contents of a print job contained in the build unit (114) and generating a visualization of the contents of the build unit (114) based in part on the obtained data and in part on data related to operations performed by the cleaning station.

Abstract: A printing device and method is described comprising: controlling movement of a printing medium along a printing medium path to position the printing medium relative to at least one printhead to allow printing on the printing medium by the at least one printhead; and applying a plurality of respective elastic forces in a direction substantially perpendicular to the printing medium path, wherein the respective elastic forces are applied by a plurality of elastic elements of a modular assembly arranged laterally across a width of the printing medium path, wherein the printing medium acts against the elastic forces of the respective elastic elements of the modular assembly.

Abstract: Example connection ports for electronic devices are disclosed. In an example, the connection port includes a longitudinal axis, a receptacle that extends axially with respect to the longitudinal axis, and a substrate disposed within the receptacle. The substrate includes an end and a support surface that extends axially with respect to the longitudinal axis. In addition, the connection port includes a plurality of first electrical contacts on the support surface, a plurality of second electrical contacts on the end. Each second electrical contact is electrically coupled to a corresponding one of the first electrical contacts.

Abstract: A printing apparatus has a transfer member to receive an image and transfer the image to a substrate, and an airflow management unit disposed adjacent to the transfer member to define a channel between the transfer member and the airflow management unit. The airflow management unit has an injection mechanism to inject airflow into the channel, a suction mechanism to remove the airflow from the channel, and a vortex generator to generate a vortex within the channel.

Abstract: The present disclosure relates to a compact antenna system within a dielectric housing of an electronic device, capable of achieving improved reflection performance. The antenna system includes a ground plane and an antenna PCB. An antenna microstrip feed on a side of the antenna PCB comprises a first part of a radiating antenna element. The antenna PCB is connected to the ground plane by a central conductor of a coaxial cable which forms a ground path. An outer conductor of the coaxial cable carries RF signals to the antenna PCB, allowing the RF signals to freely radiate along a length of the coaxial cable and acting as a second part of the radiating antenna element. The coaxial cable does not interfere with, and can even enhance a radiation pattern of the antenna microstrip feed.

Abstract: According to an example, a method for a printing system comprises reading configuration data of a printing environment for the printing system, determining based on the configuration data if a concentration of particles emitted during a printing operation of the printing system will exceed a threshold over a time period, and executing at least one remedial action on the printing operation if the concentration of particles will exceed the threshold.

Abstract: 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 build material thermal sensors disposed on the carriage and facing the layer of build material. Each build material thermal sensor is to measure a temperature of the layer of build material in a particular region. A controller adjusts additive manufacturing based on an output of an associated build material thermal sensor.

Abstract: 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.

Abstract: 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 the client computing device.

Abstract: 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 computing display, responsive to application of the first force and the second force.

Abstract: 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.

Abstract: 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.

Abstract: 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 electronic device with differing display characteristics based on the user eye gaze pattern.

Abstract: An example apparatus may include a first antenna having a first radiator and a first ground plane and a second antenna having a second radiator and a second ground plane. In some examples, a hybrid antenna may be formed through coupling of the hybrid antenna to components of the first antenna and the second antenna. The hybrid antenna may include a third radiator. In some examples, an electrical interface may be disposed between the first antenna and the second antenna. In this regard, the electrical interface may couple the first ground plane to the second ground plane to form the third radiator.

Abstract: Example implementations relate to an integrated circuit (IC) package, an electronic device having the IC package, and a method of assembling the IC package to a printed circuit board (PCB) of the electronic device. The IC package includes a substrate, a chip, and an electromagnetic shield. The chip is coupled to the substrate. The electromagnetic shield is coupled to the substrate such that the chip is enclosed between the substrate and the electromagnetic shield. The electromagnetic shield includes a ferromagnetic material. Further, the electromagnetic shield protrudes beyond the substrate and is electrically grounded to the PCB to prevent an electromagnetic interference (EMI) noise from radiating through the IC package.

Abstract: Methods and systems are provided to facilitate network egress fairness between applications. At an egress port of a network, an arbitrator can provide fairness-based traffic shaping to data associated with applications. The desired fairness-based traffic shaping can be provided based on bandwidth, traffic classes, or other parameters. Consequently, the egress link's bandwidth can be allocated with fairness among the applications.

Abstract: Examples relate to a system comprising a cluster of worker nodes communicatively connected to a control plane. The control plane includes a first control switch and a second control switch. The control switches are configured with a virtual IP address. The IP address is associated with a control switch operating in an active mode. The control switches communicate with a cluster of worker nodes via the virtual IP address. A single instance of a key-value database is deployed on one of the first control switch and the second control switch that is operating in active mode, and the first control switch and the second control switch are functionally coupled by a distributed block system for data synchronization.

Abstract: An example device may comprise a molded structure and a dependent device coupled to the molded structure. The molded structure comprises thermo-electric traces and channels. The channels are between ten ?m and two hundred ?m, or less in one dimension. The dependent device comprises apertures corresponding to the channels and through which fluids, electromagnetic radiation, or a combination thereof is to travel. The dependent device also comprises contacts corresponding to the thermo-electric traces of the molded structure.

Abstract: Example implementations relate to virtual persistent volumes. In an example, a virtual persistent volume storage class is presented to a container orchestrator that includes parameters describing an associated virtual storage policy. In response to a provisioning request that identifies the virtual persistent volume storage class, a virtual persistent volume is created by determining a mapping of the parameters of the virtual persistent volume storage class to parameters of available storage classes so that the parameters of the virtual persistent volume storage class are fulfilled. At least one volume is provisioned to constitute the virtual persistent volume, according to the mapping.

Abstract: A toner cartridge includes a housing having a first combining portion and a front cover attached to a front end of the housing in a longitudinal direction, wherein the front cover includes a first locking portion to which the first combining portion is to be attached and a notch portion provided in the first locking portion so that the first locking portion is breakable by an external force in a direction in which the front cover is spaced apart from the housing in the longitudinal direction.

Abstract: In an example in accordance with the present disclosure, an extended reality system is described. The extended reality system includes an imaging system to present virtual objects to a user. The extended reality system also includes a machine vision tracking system. The machine vision tracking system includes a camera to capture images of a user's hand a tool grasped in the user's hand. The machine vision tracking system also includes a processor. The processor 1) tracks a position and orientation of the user's hand in physical space, 2) identifies the tool grasped in the user's hand, and 3) tracks a position and orientation of the tool in physical space. The extended reality system also includes an XR controller to manipulate the XR environment based on the position and orientation of the tool and the position and orientation of the hand.

Abstract: Examples described herein relate to a security management system to secure a container ecosystem. In some examples, the security management system may protect one or more entities such as container management applications, container images, containers, and/or executable applications within the containers. The security management system may make use of digital cryptography to generate digital signatures corresponding to one or more of these entities and verify them during the execution so that any compromised entities can be blocked from execution and the container ecosystem may be safeguarded from any malicious network attacks.

Abstract: Dynamic adaptive reconfiguration of a computing system includes receiving a request to remove a first node in a plurality of physical nodes. An operating system is executing collectively across the plurality of physical nodes, and an application is running on the operating system. It further includes in response to the request, and while the application is running, evacuating virtualized resources associated with the first node to one or more other nodes in the plurality of physical nodes. It further includes subsequent to the evacuation of the virtualized resources, removing the first node from the plurality of physical nodes.

Abstract: According to an example, a method for setting print parameters for a subsequent printing operation may comprise forming a layer of powder, printing a plurality of patches on the formed layer, obtaining sensor data corresponding to at least two patches of the plurality of patches, determining for each of the at least two of the plurality of patches characteristics of the interaction between the printing liquid and powder in the formed layer based on the obtained sensor data, and setting the print parameters based on the determined characteristics of the interaction.

Abstract: 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 conveying path of the developer. The discharge regulation member includes a lower end portion and an upper end portion arranged apart from a bottom and an upper wall of the conveying path, respectively.

Abstract: 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.

Abstract: An electronic device may include a first wireless transceiver, a second wireless transceiver, and a processor. The processor may establish a first wireless communication with an external device via the first wireless transceiver. Further, processor may monitor a distance between the electronic device and the external device via the first wireless transceiver. In response to a determination that the monitored distance crosses a first threshold, the processor may establish a second wireless communication with the external device via the second wireless transceiver and monitor the distance between the electronic device and the external device via the second wireless transceiver. Furthermore, the processor may control the electronic device to operate in a first power state or a second power state based on the monitored distance via the first wireless transceiver or the second wireless transceiver.

Abstract: In an example, a non-transitory machine-readable storage medium storing instructions executable by a processor of a computing device to receive device usage data of an electronic device. Further, instructions may be executed by the processor to receive sensor data indicative of an internal state of the electronic device. The sensor data may include first data associated with a first characteristic of the internal state and second data associated with a second characteristic of the internal state. Furthermore, instructions may be executed by the processor to determine a deviation associated with a component of the electronic device by applying a machine learning model to the device usage data and the sensor data. The deviation may be associated with the first characteristic, the second characteristic, or both. Further, instructions may be executed by the processor to generate an alert notification based on the deviation.

Abstract: An example non-transitory machine-readable medium includes instructions that, when executed by a processor, cause the processor to analyze a video captured by a computing device to detect a sequence of motion in the video, and select an audio endpoint of the computing device based on the sequence of motion.

Abstract: A non-transitory machine-readable storage medium stores instructions that, when executed by the machine, cause the machine to provide a firewall interface between a plurality of registers of a controller and a host interface of the controller. Providing the firewall interface includes programming the firewall interface with a plurality of firewall rules. The registers are to control functions that are performed by the controller; and the plurality of firewall rules control whether requests to access the plurality of registers are denied, allowed or modified based on features of the request.

Abstract: In an example, a non-transitory computer readable storage medium may include instructions that when executed cause a computing device to generate a virtual device representation of an image forming apparatus on a cloud. Further, instructions cause the computing device to update the virtual device representation on the cloud with a configuration state of the image forming apparatus. Furthermore, instructions cause the computing device to analyze the updated virtual device representation to determine whether the image forming apparatus is compliant with a stored policy. Further, instructions cause the computing device to initiate, via the virtual device representation, a remediation action to bring the image forming apparatus to compliance based on the determination.

Abstract: Various embodiments improve the operation of computers by providing methods of transmitting data with low latency and high bandwidth. Data may be transmitted in a packet composed of data flits, the data flits having at least two different formats configured to implement different communication protocols. In some embodiments, a given flit may be transmitted using two different modulation methods, with a first part of the flit transmitted using a first modulation method, such as a binary method, and a second part of the flit using a higher-order modulation method.

Abstract: A network interface controller (NIC) capable of efficient memory access is provided. The NIC can be equipped with an operation logic block, a signaling logic block, and a tracking logic block. The operation logic block can maintain an operation group associated with packets requesting an operation on a memory segment of a host device of the NIC. The signaling logic block can determine whether a packet associated with the operation group has arrived at or departed from the NIC. Furthermore, the tracking logic block can determine that a request for releasing the memory segment has been issued. The tracking logic block can then determine whether at least one packet associated with the operation group is under processing in the NIC. If no packet associated with the operation group is under processing in the NIC, tracking logic block can notify the host device that the memory segment can be released.

Abstract: 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 and including glass.

Abstract: A print apparatus is disclosed. In an example, the print apparatus comprises: a photoconductive surface to receive a latent image representative of an image to be printed onto a printable substrate; a plurality of print components, each print component having a surface movable relative to the photoconductive surface, wherein a current or voltage is to be applied between the print component surface and the photoconductive surface; and processing circuitry to: measure a current or voltage between each print component surface and the photoconductive surface; responsive to detecting a deviation in the measured current or voltage from a reference current or voltage in respect of any of the plurality of print components, determine that there exists a defect associated with the photoconductive surface; and determine, based on the amount of deviation of the measured current or voltage from the reference current or voltage, an indication of the size of the defect.

Abstract: One aspect of the instant application describes a system that includes a plurality of stacked mezzanine boards communicatively coupled to a motherboard and a metal enclosure enclosing the motherboard and mezzanine boards. A respective mezzanine board can include a number of solder pads, and the metal enclosure can include a plurality of metal strips, a respective metal strip to make contact with a solder pad of a corresponding mezzanine board. The system can further include a logic module positioned on the respective mezzanine board to determine a location of the respective mezzanine board based on a contact pattern between the metal strips and solder pads of the respective mezzanine board.