Abstract: According to aspect of the disclosure, there are provided methods and apparatus for connecting a peripheral device to a computer system, including an apparatus for interfacing with a peripheral device, the apparatus comprising a port configured to couple to the peripheral device, a processor, a memory coupled to the processor and comprising a software module comprising instructions that when executed on the processor protect the device from a peripheral device coupled to the port, and a hardware security controller coupled to the port, the hardware security controller configured to monitor execution of the software module by the processor and to disable the port in response to determining that the software module is not executing.

Abstract: In accordance with the present disclosure, an example non-transitory computer readable medium may store instructions that when executed cause a computing device to dispense, using a first fluid ejector of a microfluidic device, a biologic sample to a region of a substrate, dispense, using a second fluid ejector of the microfluidic device, a reagent to the region of the substrate, and dispense, using a third fluid ejector of the microfluidic device, a metabolic indicator to the region of the substrate, wherein the metabolic indicator provides a visual indication in response to reaction with the biologic sample.

Abstract: An example storage medium is described, wherein the storage medium comprises instructions that, when executed cause a processor of an electronic device to store authentication data in a first memory of the electronic device. Upon detecting a failure to decrypt information, the processor is to perform an authentication with a webservice, receive a recovery code, and input the recovery code to a recovery service. The recovery code is obscured from the user.

Abstract: In one example, a non-transitory processor readable medium having instructions thereon that when executed cause an additive manufacturing machine to expose build material to a light source emitting monochromatic light within a band of wavelengths that includes a peak light absorption of a liquid coalescing agent to be dispensed on to the build material.

Abstract: An example apparatus to produce a three-dimensional object comprises a controller, a build area configured to receive a layer of particulate material, a printhead, and an ultraviolet light emitting diode energy source. The controller is to cause the printhead to deposit a liquid which absorbs ultraviolet radiation onto the layer of particulate material. The controller is further to cause the ultraviolet light emitting diode energy source to irradiate the liquid, after the liquid has been deposited onto the layer of particulate material, thereby to heat the liquid and cause a portion of the particulate material to solidify.

Abstract: In some examples, a fluid system includes a support structure to attach a fluid dispensing device comprising a fluid chamber to contain a fluid, and an orifice to dispense the fluid from the fluid chamber. The fluid system includes a circulation path comprising a path portion in the fluid dispensing device, the circulation path to circulate a fluid flow through the fluid chamber to remove, from the fluid chamber, a particle ingested through the orifice. A filter in the circulation path is to remove the particle from the circulation path.

Abstract: An example display system includes an on-screen display (OSD) circuit, an input/output (I/O) controller, and a map engine. The OSD circuit operates a functionality of a display device. The I/O controller routes input from a peripheral device to the OSD circuit when the OSD mode is active. The map engine causes activation of the OSD mode when an input sequence received by the I/O controller corresponds to an OSD mode activation sequence.

Abstract: Examples of a platen for a printing device are described. In some examples, the platen may include a spit opening located at a side of the platen. In some examples, the spit opening may include an angled lead-in edge to facilitate travel of print media in the printing device. In some examples, an inside portion of a leading edge of the print media contacts the angled lead-in edge of the spit opening and pulls an outside edge of the print media up as the print media moves across the platen.

Abstract: In some examples, a method includes determining a context indicating a displayed media type based on a received first video signal. In some examples, the method includes classifying a received second video signal to produce a classification of the received second video signal indicating a media type of the received second video signal. In some examples, the method includes determining size and location settings based on the context and the classification. In some examples, the method includes using the size and location settings to cause the second video signal to be presented on a display.

Abstract: A developer roller having a first section that includes a first exterior surface, wherein the first exterior surface includes an electrically-conductive material; and a second section includes a second exterior surface, wherein the second exterior surface is non-electrically-conductive. The second section is axially aligned with the first section and provided at a first longitudinal end of the first section.

Abstract: The present disclosure includes a white ink composition including a liquid vehicle with water and organic co-solvent, from 0.5 wt % to 15 wt % white metal oxide particles dispersed in the liquid vehicle, and from 0.1 wt % to 30 wt % of polyurethane particles dispersed in the liquid vehicle. The polyurethane particles include a polyurethane polymer with polymerized sulfonated-diamines, polymerized nonionic diamines, and isocyanate-generated self-crosslinked amines.

Abstract: One example of an IP KVM device includes a USB port, a display port, a communication port, a network port, and a processor communicatively coupled to the USB port, display port, communication port, and network port. The USB port may be communicatively coupled to a host device to receive first USB signals from the host device. The display port may be communicatively coupled to the host device to receive first display signals from the host device. The communication port may be communicatively coupled to a secondary IP KVM device to receive second USB signals from the host device and second display signals from the host device. The network port may be communicatively coupled to a network. The processor is to aggregate the first and second USB signals and the first and second display signals and output the aggregated USB signals and display signals via the network port.

Abstract: A three-dimensional object modeling method may include applying a nonrotating nonuniform electric field to apply a dielectrophoretic torque to a three-dimensional object to rotate the three-dimensional object, capturing images of the object at different angles during rotation of the object and forming a three-dimensional model of the object based on the captured images.

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: In some examples, a device can include a magnetic element coupled to a cap, a compressible energizing element surrounding the magnetic element, an electrical device coupled to the compressible energizing element to provide a current, and a processor resource to adjust a current applied to the compressible energizing element based on a selected resistance level.

Abstract: An authentication device receives a unique fulfillment identifier from a client device prior to payload fulfillment. The unique fulfillment identifier corresponds to a unique payload identifier of a specific payload and a unique group identifier of a group of payloads including the specific payload. The authentication device authenticates the unique payload identifier based on the unique group identifier. In response to successfully authenticating the unique payload identifier based on the unique group identifier, the authentication device transmits an indication of successful authentication of the payload to the client device.

Abstract: According to aspects of the present disclosure there are provided methods and apparatus for providing selective control of a lateral position of a transfer blanket, the method comprising providing a crowned pulley rotating about an axis of a shaft, supporting a transfer blanket on the crowned pulley, the crowned pulley providing a self-tracking effect on a lateral position of the transfer blanket, and selectively controlling a lateral position of the crowned pulley along the axis of the shaft.

Abstract: Examples of methods are described. In some examples, a method may include producing, by a processor, a density determination of a lattice structure. In some examples, the method may include producing, by the processor, a beam thickness determination of the lattice structure. In some examples, the method may include adjusting a beam thickness of the lattice structure based on the density determination and the beam thickness determination.

Abstract: An example non-transitory machine-readable storage medium includes instructions executable by a processing resource of an electronic device. The instructions cause the electronic device to receive a communication associated with a first mode of communication via the communication device and determine an intent to change from the first mode of communication to a second mode of communication. In response to determining the intent, the instructions cause the electronic device to determine that a communication device associated with the second mode of communication is not in a ready state and assist the communication device associated with the second mode of communication to be in the ready state.

Abstract: In example implementations, an apparatus is provided. The apparatus includes a display, an eye tracking sensor, and a processor. The eye tracking sensor is to capture eye movements of a user. The processor is in communication with the display and the eye tracking sensor. The processor is to identify a type of eye movement from the eye movements captured by the eye tracking sensor and activate a control that is shown in the display.