Abstract: An example control method of an electronic apparatus includes, activating a near field communication (NFC) function, based on a terminal apparatus approaching within a threshold distance from an electronic apparatus and handover data being transmitted, performing an NFC handover operation, monitoring a Wi-Fi direct connection state between the terminal apparatus and the electronic apparatus, based on the Wi-Fi direct connection state being identified as a failure, inactivating the NFC function, and after a set time in a state wherein the electronic apparatus maintains the threshold distance with the terminal apparatus, reactivating the inactivated NFC function and reperforming the NFC handover operation based on the handover data.

Abstract: A dongle includes an upstream facing Universal Serial Bus (USB) Type-C port and a downstream facing USB Type-C port. The dongle also includes a security processor communicatively coupled between the upstream facing USB Type-C port and the downstream facing USB Type-C port. The security processor is to, with the upstream facing USB Type-C port connected to a host and the downstream facing USB Type-C port connected to a device, authenticate the dongle in response to an authentication initiation request from the host.

Abstract: A method of digital printing is disclosed in which a digital image to be printed has at least one region having pixels comprising superpositioned layers of a first ink and a second ink. The method includes producing at least one sample print and calibrating misalignment of the superpositioned layers at a plurality of calibration locations on the sample print. The resultant misalignment data is provided to a morphing program to determine a pre-deformation of the digital image to compensate for misalignment during printing. An apparatus and a machine-readable storage medium comprising instructions executable by a processor are also disclosed.

Abstract: Various examples described herein relate to a head mountable device (HMD) which comprises an input device to receive captured user data, a connection interface to exchange the user data with a host device, a privacy data switch to route the user data between the input device and the connection interface in the HMD, and a controller. The controller determines whether the user data is restricted data, directs the privacy data switch to block the exchange of the user data when it is determined that the user data is restricted data, and directs the switch to allow the exchange of the user data when it is determined that the user data is not restricted data.

Abstract: Example implementations relate to power supplied to ports based on charge amounts. In some examples, a computing device can include a charge storage device, an I/O port, and a processor, where the processor is to determine a charge amount of the charge storage device and an operating mode of the computing device, and determine an amount of power to be supplied to the I/O port based on the charge amount and the operating mode.

Abstract: Examples of electronic devices are described herein. In some examples, an electronic device includes a first network device and a second network device. In some examples, the electronic device includes a processor to assign a single media access control (MAC) address to the first network device and the second network device. In some examples, the processor is to determine that the first network device is connected to a network using the single MAC address. In some examples, the processor is to disable the second network device in response to determining that the first network device is connected to the network.

Abstract: A printer comprises a print carriage, a line sensor, a processor and a controller. The print carriage is configured to print a calibration plot onto print media. The line sensor is configured to emit light onto the calibration plot across the width of the calibration plot and measure the intensity of light reflected from the calibration plot. The processor is configured to determine a correction factor according to a position of a peak in the measured intensity corresponding to a position in the printed calibration plot in which a portion of a first printed mark overlaps a portion of a second printed mark. The controller is configured to adjust the distance by which print media is advanced according to the correction factor.

Abstract: Example electronic devices are disclosed herein. In an example, the electronic device includes a housing including a plurality of portions that are pivotably coupled together. The plurality of portions including a first portion including a display panel, a second portion including a user input device, and a third portion including a touch sensitive surface. The second portion is pivotably coupled between the first portion and the third portion. The third portion is pivotable relative to the second portion to cover the user input device with the touch sensitive surface.

Abstract: Disclosed herein is a mounting system for mounting a print medium supporting structure in a printing device, a printing device and a method of operating a printing device. The mounting system comprises a carrier assembly that is to carry the supporting structure. The carrier assembly comprises a bushing element to movably mount the carrier assembly on a guiding rod in the printing device. The bushing element comprises a first bushing that is to slidably receive the guiding rod and to allow for a tilting motion of the carrier assembly relative to the guiding rod around a first axis perpendicular to the guiding rod. The carrier assembly further comprises a flexible element to couple the supporting structure to the carrier assembly. The flexible element is to allow for a tilting motion of the supporting structure relative to the carrier assembly around a second axis different from the first axis.

Abstract: According to examples, an apparatus includes a processor that is to receive a transaction for a smart contract on a blockchain to progress a state of a workflow instance of the smart contract. The processor is to identify a rule correlated to the received transaction among a set of rules for the smart contract and is to load the identified rule correlated to the received transaction into the smart contract. The processor is to determine whether the received transaction is valid based on application of the identified rule in the smart contract. Based on a determination that the received transaction is valid based on application of the identified rule, the processor is to progress the state of the workflow instance of the smart contract.

Abstract: In one example in accordance with the present disclosure, a fluid manipulation system is described. The fluid manipulation system includes a microfluidic channel through which fluid is to flow. The fluid includes biomolecules to be separated. The fluid manipulation system also includes at least one array of biomolecule-capturing pillars disposed within the microfluidic channel to capture biomolecules from the fluid. Barriers rise from a surface of the microfluidic channel. The barriers span a width of the microfluidic channel orthogonal to a flow of the fluid to induce vortices in the fluid flow.

Abstract: A fluid-ejection device includes a reservoir, a printhead, and a sealed bag. The reservoir is to hold fluid. The printhead is to eject the fluid from the device. The sealed bag is fluidically coupled to the reservoir and is to temporarily expand and receive the fluid that would otherwise drool from the printhead during an exceptional drooling event.

Abstract: A die for a printhead is provided in examples. The die includes a number of fluidic actuator arrays. A data block is associated with each of the plurality of fluidic actuator arrays. The die includes an interface comprising a data pad and a clock pad, wherein a data bit value present at the data pad is loaded into a first data block corresponding to a first fluidic actuator array on a rising clock edge and loaded into a second data block corresponding to a second fluidic actuator array on a falling clock edge.

Abstract: In some examples, a computing device can include a memory resource storing instructions to cause a processing resource to detect a hardware event associated with the computing device, generate an alert standard format (ASF) message associated with the hardware event, and transmit the ASF message to a microcontroller to cause the microcontroller to transmit the ASF message to an external computing device.

Abstract: An example management server creates a group for synchronizing an application configuration, transmits a group identifier of the group to devices included in the group, maps configuration data of an application to the group identifier, stores the mapped configuration data, and transmits the configuration data to at least one device included in the group. When a configuration of an executed application is changed, a device checks whether a group identifier mapped to the application exists in a storage. When the group identifier exists, the device displays a message inquiring whether to propagate the changed configuration data of the application to the group to which the group identifier is assigned. When receiving a request to propagate the changed configuration data, the device provides the changed configuration data to a management server in a predetermined method. The group identifier is transmitted from the management server and stored in the storage.

Abstract: A system, comprising an authentication module to generate a challenge to authenticate a user, the challenge to be distributed to members of a set of verifying parties; and grant the user access to a resource upon receiving an authenticating response to the challenge; and a combiner module to receive partial responses from members of the set of verifying parties upon verification of the user by each member, the verification made using a provided contextual identifier of the user; based on the partial responses reaching a threshold number of responses, combine the partial responses to obtain a combined response, and provide the combined response to the authentication module as an authenticating response to the challenge.

Abstract: In one example in accordance with the present disclosure, an example computing device is disclosed. The example computing device includes a housing. The example computing device also includes a rotatable antenna disposed within the housing. The rotatable antenna is to rotate such that a direction of radiation is maintained in a single direction as the housing is to rotate.

Abstract: A three-dimensional (3D) printing system may include a build volume, a slurry reservoir to contain a slurry of build material and liquid, and a slurry dispenser to receive the slurry from the slurry reservoir and movable in a direction across the build volume to dispense slurry across the build volume.

Abstract: Examples of electronic devices are described herein. In some examples, an electronic device includes a memory and a controller. In some examples, the controller is to enable a basic input/output system (BIOS) safe mode in response to an authentication procedure. In some examples, the controller is to provide access to back-up variable service region in the memory storing default BIOS data. In some examples, the controller is to start a modified BIOS based on the default BIOS data in response to enablement of the BIOS safe mode.

Abstract: An example operation method of an image forming apparatus includes forming a test image with respect to a pattern used for diagnosing an image-quality state of a printout output by the image forming apparatus, obtaining a test signal corresponding to the test image via a sensor of the image forming apparatus, obtaining image-quality state information indicating an image-quality state of the test image based on the test signal corresponding, identifying a type of a screen corresponding to halftone information indicating a resolution of the printout based on the image-quality state information, and performing a first image forming operation according to the type of the screen.

Abstract: A display having an area of non-transparent pixels, an area of transparent pixels, a camera positioned behind the transparent pixels to capture an image when light passes through the transparent pixels, and a display controller for driving the non-transparent pixels at a first brightness and driving the transparent pixels at a second brightness greater than the first brightness during image capture by the camera.

Abstract: A method is described in which model data describing a three-dimensional object is received. A first offset is applied to a surface of the object, the first offset being applied to the model data. The model data is converted to voxel data, and a second offset is applied to the surface of the object, the second offset being applied to the voxel data.

Abstract: The present disclosure relates to methods and devices for performing print control. In an example there is disclosed a control method. The control method may comprise programming a print mask to instruct printhead nozzles on a moveable carriage to deposit a first line of print material on a medium, wherein the print mask controls the depositing so that an edge of an area of the medium on which material is deposited defines a pattern which is repeated along a scan axis of the carriage and which differs in a direction of movement of the medium. The control method may further comprise scanning the first line of print material. The control method may further comprise performing control of subsequent print material depositing or medium advancement, based on the scan.

Abstract: A fluidic die includes fluid-transfer elements, and a temperature sensor to monitor a temperature on the fluidic die. The fluidic die includes a trickle-warming circuit to warm fluid transferrable by the fluid-transfer elements, and a pulse-warming circuit to warm the fluid. A warming control circuit selectively activates the trickle-warming and pulse-warming circuits.

Abstract: Various examples described herein relate to an HMD which comprises an HMD body positioned against a face of a user which includes an IMU to track user location data in an environment. The HMD also comprises a detachable headband assembly including a tracking feature module to construct a map of the environment based on the user location data. The HMD further includes a mechanical mount feature attaching the detachable headband assembly to the HMD body. The mechanical mount feature includes a connection interface to exchange the user location data between the IMU in the HMD body and the tracking feature module in the detachable headband assembly.

Abstract: An example method, consistent with the present disclosure, includes receiving in a microfluidic channel, a fluid sample and a reagent, where the reagent includes a reporter nucleic acid labeled with a detectable ligand. The method further includes identifying a target nucleic acid in the fluid sample using a guide ribonucleic acid (gRNA) and a programmable nuclease immobilized in a side channel fluidically coupled to the microfluidic channel. Responsive to identifying the target nucleic acid in the fluid sample, the method includes causing cleavage of the detectable ligand, and detecting the detectable ligand from the cleaved reporter nucleic acid in the side channel.

Abstract: A method is described in which a partial three-dimensional model of an object is constructed in dependence on abstract geometry data. The abstract geometry data is indicative of an incomplete description of the object. The abstract geometry data comprises an indication of at least one geometric shape of the object and a design parameter associated with the at least one geometric shape. The partial three-dimensional model is aligned with three-dimensional scan data of an instance of the object. Based on the alignment, the pose of the at least one geometric shape is identified in the three-dimensional scan data. The pose of the geometric shape and the associated design parameter are used to derive metrology data for the instance of the object from the three-dimensional scan data.

Abstract: An example computing device includes a non-transitory machine-readable storage medium encoded with instructions and a processor to execute the instructions. The instructions are executable to detect a hardware configuration of the computing device by identifying hardware components within the computing device and determine an expected acoustic noise emission of the computing device based on the hardware configuration. The instructions are also executable to select a default operating mode of the computing device based on the hardware configuration and set the computing device to the default operating mode.

Abstract: A printing fluid delivery system comprising a fluid pump having an inlet and an outlet, a valve connected to the outlet of the fluid pump, and a controller to close the valve while the fluid pump is driven to increase the pressure at the outlet of the fluid pump based on a service condition and to open the valve based on a predefined relief condition to relieve the pressure at the outlet of the fluid pump.

Abstract: An example computing device includes a user input device, a network interface, and a processor connected to the user input device and the network interface. The processor is to execute a process, monitor user input at the user input device to determine user interaction with the process, and, in response to determining a lack of user interaction with the process, provide the process to a remote computing device via the network interface to continue execution of the process by the remote computing device.

Abstract: A computing device comprising a controller is disclosed herein. The controller is to receive a virtual build volume defining an arrangement of a 3D object model to be used by a 3D printer to generate a 3D object; identify a portion of a surface of the to be generated 3D object that is expected to exhibit at least one of a set of surface quality defects; and modify the 3D object model by applying at least one texture pattern to a portion of the 3D object model corresponding to the identified portion, the texture pattern to be selected based on the expected at least one surface quality defect, to cause a 3D geometrical modification of the portion that is to at least partially mask the expected surface quality defect of a 3D object generated using the modified 3D object model.

Abstract: A photosensitive body for an image forming apparatus may include a photosensitive layer and a protective layer formed on the photosensitive layer. The protective layer may include a urethane oligomer-based compound including urethane oligomer acrylates, and a polysiloxane including a silicon atom (Si) covalently bonded to a first side chain including an oxygen atom (O) covalently bonded to the urethane oligomer-based compound. The polysiloxane may have a chemical structure represented by the following Formulae 1: where R1 through R7 each independently represents a hydrogen atom, or alkyl which has 1 to 25 carbons, or the alkoxy group which has 1-10 carbons, where n represents an integer greater than or equal to 1, and where each respective H independently represents a hydrogen atom or the oxygen atom (O) covalently bonded to the urethane oligomer-based compound.

Abstract: Examples include an apparatus comprising a media path assembly for a printer. The assembly comprises a transmission module configured to be connected to a first motor of the printer and a first roller connected to the transmission module. The first roller is driven by the first motor through the transmission module when pulling a continuous sheet from a roll around a spindle of the printer in a forward direction towards a print zone of the printer. The transmission module is configured to be connected to a second roller of the printer, the second roller being driven by the first motor through the transmission module when pulling a cut sheet from a cut sheet tray of the printer in a forward direction towards the print zone.

Abstract: An example printing fluid pressure sensor comprises a first pressurizable chamber having an inlet to receive a pressurized gas and a second chamber to receive a printing fluid. A flexible element is disposed in between the first and second chambers and is to retain a magnet. A first side of the flexible element forms a wall of the first chamber and a second side of the flexible element forms a of the second chamber to seal the first and second chambers. The example sensor further comprises a sensor to detect the position of a magnet relative to the sensor. The sensor is disposed outside of the first and second chambers.

Abstract: An example apparatus comprises a first microfluidic channel fluidically coupled to a first reservoir containing a carrier fluid, the first microfluidic channel including a reaction region, a fluid droplet generator, and a fluid ejector fluidically coupled to the first microfluidic channel and disposed downstream from the reaction region of the first microfluidic channel. The fluid droplet generator includes a portion of the first microfluidic channel and a second microfluidic channel that intersects the first microfluidic channel and is fluidically coupled to a second reservoir containing a reaction fluid, where the reaction fluid including a plurality of cells and fluorescently-labeled capture reagents to form reaction products with a target molecule secreted by the plurality of cells.

Abstract: In an example, a tangible machine-readable medium includes instructions which, when executed on at least one processor, cause the at least one processor to obtain an attestation public key bound to an identity associated with a root of trust of a platform. The instructions further cause the at least one processor to obtain a trusted time stamp associated with data collection by the platform. The instructions further cause the at least one processor to generate a signed measurement based on a trusted input as a nonce.

Abstract: In one example in accordance with the present disclosure, a system is described. The system includes a model generator that includes a processor and memory. The model generator obtains an input that indicates a property of a conductive element to be printed and obtains a template which defines a lattice structure for the conductive element. The model generator also generates a latticed conductive element model based on the template and the input. The system also includes a three-dimensional printing controller to trigger selective hardening of build material to form the latticed conductive element.

Abstract: A metered volume microfluidic device can include fluid flow microfluidics. The fluid flow microfluidics can include an inflow channel, a metered volume chamber positioned to receive working fluid from the inflow channel, a metered volume outflow channel positioned to receive and direct a metered volume of the working fluid when discharged from the metered volume chamber, and a capillary check valve. The capillary check valve can allow excess working fluid to exit the metered volume chamber when filling the metered volume chamber via the inflow channel. The capillary check valve can also prevent excess working fluid that has passed there through from being reintroduced into the metered volume chamber when the working fluid is discharged into the metered volume outflow channel.

Abstract: In an example in accordance with the present disclosure, a computing device is described. The computing device includes a database with a thermal dataset acquired during usage of a device. The computing device also includes a processor which trains a neural network to determine suitability of the device for a user of the device based on the thermal dataset. The neural network includes 1) an encoder trained to transform the thermal dataset to a first embedding vector, 2) a compression/decompression component trained to generate a second embedding vector that minimizes a difference from the thermal dataset based on the first embedding vector, and 3) a decoder trained to generate a second thermal dataset from the second embedding vector.

Abstract: Examples of methods for thermal image determination are described. In some examples, a method may include determining, using a first machine learning model, a first thermal image of a first layer of additive manufacturing. In some examples, the method may include determining, using a second machine learning model, a second thermal image of a second layer based on a simulated thermal image. The second thermal image may have a second resolution that is greater than a first resolution of the simulated thermal image in some examples. In some examples, the method may include determining, using a third machine learning model, a third thermal image based on the first thermal image and the second thermal image.

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 examples, an electronic device comprises a component, communication port, and a controller coupled to the component and the communication port. The controller is to store operational data of the component during operation of the electronic device. The controller is to provide the operational data to a peripheral device coupled to the electronic device in response to the electronic device establishing a wired connection to the peripheral device via the communication port, the operational data secured by a security credential of the controller. The controller is to receive a repair command from the peripheral device based on the operational data. The controller is to correct a malfunction of the component based on the repair command.

Abstract: An example system includes an input channel having a first end and a second end to receive particles through the first end, a sensor to categorize particles in the input channel into one of at least two categories, and at least two output channels. Each output channel is coupled to the second end of the input channel to receive particles from the input channel, and each output channel is associated with at least one category of the at least two categories. Each output channel has a corresponding pump operable, based on the categorization of a detected particle in a category associated with a different output channel, to selectively slow, stop, or reverse a flow of particles into the output channel from the input channel.

Abstract: An image displayable at a head-mountable display (HMD) is downsampled to an image pixel representative of the image. The luminance of the image pixel is computed from a color value of the image pixel to determine image brightness. The foveal region of the image is computed from eye-tracking information of the user of the HMD. The foveal region of the image is downsampled to a foveal pixel representative of the foveal region. The luminance of the foveal pixel is computed from a color value of the foveal pixel to determine foveal region brightness.

Abstract: In example implementations, a head mounted display (HMD) is provided. The HMD includes a first wireless radio, a second wireless radio, and a controller. The first wireless radio is to establish a connection to a host computer. The second wireless radio is to connect to a second HMD via a channel. The controller is communicatively coupled to the first wireless radio and the second wireless radio. The controller is to receive a notification of a presence of the second HMD from the host computer via the connection, track movement of the second HMD via the channel, and generate a collision avoidance alert when the second HMD is within a distance threshold of the HMD.

Abstract: 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.

Abstract: A three-dimensional printing kit can include a binding agent and a particulate build material. The binding agent can include a binder in an aqueous liquid vehicle. The aqueous liquid vehicle can include an organic co-solvent with a boiling point from about 150° C. to about 300° C. The particulate build material can include from about 80 wt % to 100 wt % stainless steel particles that can have an average particle size from about 3 ?m to about 200 ?m. About 0.02 wt % to about 0.3 wt % of a total weight of the stainless steel particles can be an oxidation barrier formed on surfaces of the stainless steel particles.

Abstract: Examples of a supporting assembly for supporting an installable component are described. The supporting assembly comprises a supporting member. The supporting assembly may further include a latch bar extending longitudinally to support the installable component. The supporting assembly may further include a coupling arm and a control knob. In an example, the control knob may be rotatable, and is to control rotation of the latch bar.

Abstract: The present disclosure is drawn to inertial pumps. An inertial pump can include a microfluidic channel, a fluid actuator located in the microfluidic channel, and a check valve located in the microfluidic channel. The check valve can include a moveable valve clement, a narrowed channel segment located upstream of the moveable valve element, and a blocking element formed in the microfluidic channel downstream of the moveable valve element. The narrowed channel segment can have a width less than a width of the moveable valve element so that the moveable valve element can block fluid flow through the check valve when the moveable valve element is positioned in the narrowed channel segment. The blocking element can be configured such that the blocking element constrains the moveable valve element within the check valve while also allowing fluid flow when the moveable valve element is positioned against the blocking element.

Abstract: A shear thinning build material slurry includes metallic or ceramic particles having a particle size up to about 20 ?m; a hydrocolloid present in an amount ranging from about 0.05 percent by volume to less than 0.5 percent by volume of the shear thinning build material slurry; and water. The build material slurry is a ready-to-use three-dimensional (3D) printing build material.