Abstract: A cartridge carriage and method for reducing damage to flexible circuits on fluid ejection cartridges. The carriage includes cavity therein configured to hold a fluid ejection cartridge in a fluid ejection device. The cavity includes opposing side walls attached to a front wall, a bottom wall attached to the opposing side walls perpendicular to the front wall, and a top wall distal from the bottom wall attached to the side walls and front wall. The front wall has a plurality of electrical contact pins and a first support ledge disposed apart from the electrical contact pins between the electrical contact pins and top wall. The first support ledge is configured to abut a first cartridge projection of the first fluid ejection cartridge to align the first fluid ejection cartridge with the plurality of electrical contact pins when the first fluid ejection cartridge is latched into the cartridge carriage.

Abstract: A nozzle plate configured for a fluid ejection head, a fluid ejection head containing the nozzle plate and a method for modifying a nozzle plate to reduce fluid flooding thereon. The nozzle plate includes a plurality of nozzle holes therein attached to a flow feature layer on a semiconductor substrate, and includes a first hydrophobic region surrounding each of the plurality of nozzle holes, whereby the first hydrophobic region is configured to reduce flooding of the nozzle plate.

Abstract: A droplet dispensing device includes a head part discharging droplets, and a sensor plate disposed between the head part and a well plate, the sensor plate having a plurality of opening parts formed respectively corresponding to a plurality of wells and a plurality of electrostatic capacitance sensors each disposed at a circumferential edge of the plurality of opening parts.

Abstract: A droplet dispensing device includes an adjustment plate; a first sensor, provided on an upper surface of the adjustment plate and detecting a position of the transparent droplet; a tray, on which one of the well plate and the adjustment plate is detachably mounted; a head part, discharging the transparent droplet; and a CPU, switching an operation mode from one of a first mode and a second mode to the other. In the first mode, the transparent droplet is discharged from the head part toward the well plate, and in the second mode, the transparent droplet is discharged from the head part toward the first sensor. The CPU adjusts the position on the well plate in which the transparent droplet is discharged from the head part in the first mode based on a position of the transparent droplet detected by the first sensor in the second mode.

Abstract: Aspects are described for a device comprising a wireless transceiver configured to receive a radio frequency (RF) emission from a source device, an energy-harvesting unit configured to charge the first device wirelessly, using a first part of the RF emission, and a processor communicatively coupled to the transceiver. The processor is configured to modulate the first part of the RF emission based on information detected by the device and determine that an energy level of the device is above a threshold. The processor is further configured to transmit, in response to determining that the energy level is above the threshold, using the wireless transceiver, the modulated first part of the RF emission to the source device. The processor is further configured to transmit, in response to determining that the energy level is above the threshold, using the wireless transceiver, a second part of the RF emission wirelessly to another device to charge the other device.

Abstract: An atomization device, an atomization device assembly, and a control system therefor capable of stably spraying are provided. An atomization device of the disclosure includes: a main body that has a vibrating device and a cavity part and in which the vibrating device is disposed above the cavity part and includes a vibrating element; and a tank assembly that is detachably provided with respect to the main body and is accommodated in the cavity part in a coupled state attached to the main body, wherein the tank assembly includes a liquid supply tank that has a space to hold a liquid, and a liquid supply core that supplies the liquid in the liquid supply tank to one side of the vibrating device, and wherein the atomization device further includes a relay absorber that is installed between the vibrating element and the liquid supply core.

Abstract: A fluid fillable cartridge, a method for preventing contamination of nozzle holes in a fluid ejector chip and a method for making an adhesive sealing tape. The fluid fillable cartridge has an open fluid reservoir therein and a fluid ejector chip attached to an exposed surface of the fluid fillable cartridge opposite to the open fluid reservoir. An adhesive sealing tape is attached to the fluid fillable cartridge, wherein the adhesive sealing tape has an adhesive pattern on a first end of the adhesive sealing tape that is configured to attach the adhesive sealing tape adjacent to the fluid ejector chip while being devoid of adhesive in nozzle hole areas of the fluid ejector chip.

Abstract: A fluid ejection cartridge having a cartridge body with a cavity therein and an ejection head attached to an external surface of the cartridge body opposite the cavity. A cylindrical or a rectangular-prism shaped body made of a hydrophilic open-cell foam material is disposed in the cavity of the cartridge body. The cylindrical or rectangular-prism shaped body has at least one uncoated hydrophilic surface and two or more surfaces coated with a hydrophobic material.

Abstract: A method for delivering a predetermined amount of fluid from a fluid ejection head. The method includes measuring one or more parameters selected from fluid flow parameters and electrical parameters for the fluid ejection head to provide one or more measured parameters; calculating a fluid ejection offset value from the one or more measured parameters; storing the fluid ejection offset value in a memory location on the fluid ejection head; accessing the fluid ejection offset value by an ejection head controller; and adjusting an amount of fluid ejected from the fluid ejection head during a fluid ejection step using the fluid ejection offset value to provide the predetermined amount of fluid from the fluid ejection head.

Abstract: A display device comprises a display, a rear frame, a speaker, and a speaker mounting portion. The rear frame is disposed on a rear side of the display. The speaker includes a speaker frame that is provided on a sound output side from which sound is output. The speaker is mounted to a rear side of the rear frame. The speaker mounting portion mounts the speaker to the rear frame. The speaker mounting portion includes a first portion that holds the speaker and is fixedly attached to the rear frame, and a second portion that is integrally formed with the first portion and is foldable against the first portion. The second portion contacts the speaker frame of the speaker in a folded state in which the second portion is folded against the first portion.

Abstract: Technologies are generally described for passively powering wireless IoT devices. An actively powered transmitter may transmit a radio frequency (RF) signal over a common channel and information associated with parameters of a reply signal to various passively powered wireless devices. The wireless devices may extract power from the RF signal or other signals in the ambient environment, use the extracted power to perform operations, and backscatter a reply signal over a different channel defined by the RF signal. The reply signal from the passively powered wireless devices may be received by a base station or an actively powered device in the vicinity and forwarded to the base station. Various multiplexing schemes may be employed to prevent collision of reply signals from the passively powered wireless devices.

Abstract: A small form factor printhead and a thermal ink jet printer containing the reduce form factor printhead. The printhead includes an ink reservoir body having four side walls connected to a bottom wall. An ink supply port is disposed in the bottom wall. An ejection head is attached to an exterior surface of the bottom wall, wherein the ejection head is in ink flow communication with the ink supply port. A flexible circuit is electrically connected to the ejection head and is attached to the exterior surface of the bottom wall and an exterior surface of one of the four side walls. A cover is attached to a distal end of the four side walls opposite the bottom wall. A filter is attached adjacent to an underside of the cover.

Abstract: A priming device for a fluid ejection head and a method for priming a fluid ejection head. The priming device includes a Venturi tube having a motive fluid inlet, a suction inlet, a fluid outlet, and a motive fluid source configured to provide pressurized fluid to the fluid inlet of a Venturi tube and configured to provide a reduced pressure at the suction inlet of a Venturi tube. An ejection head sealing device is provided in fluid flow communication with an ejection head of a fluid cartridge and the suction inlet of the Venturi tube.

Abstract: A fluid fillable cartridge, a method for preventing contamination of nozzle holes in a fluid ejector chip and a method for making an adhesive sealing tape. The fluid fillable cartridge has an open fluid reservoir therein and a fluid ejector chip attached to an exposed surface of the fluid fillable cartridge opposite to the open fluid reservoir. An adhesive sealing tape is attached to the fluid fillable cartridge, wherein the adhesive sealing tape has an adhesive pattern on a first end of the adhesive sealing tape that is configured to attach the adhesive sealing tape adjacent to the fluid ejector chip while being devoid of adhesive in nozzle hole areas of the fluid ejector chip.

Abstract: A liquid dispensing device includes: a discharge part, discharging liquid toward a well of a well plate; and an opening plate, arranged between the discharge part and the well plate and having an opening formed therein corresponding to the well. The opening is smaller in size than the well when the opening plate is viewed in an XY plane.

Abstract: An ink cartridge includes a main body, a head part, a first hole, a label, and a second hole. The main body stores ink. The head part is provided on the main body and has a plurality of nozzles for ejecting ink. The first hole has a tapered shape which narrows from an outer side toward an inner side of the main body, and a needle for supplying ink to the main body is inserted into the first hole. The label in a film shape is attached to the main body. The second hole is provided at the label and overlaps the first hole in a plan view of the label. The second hole guides the needle to the first hole when the needle is inserted.

Abstract: A composite photoresist material and method of making the composite photoresist material. The composite photoresist material includes: a photoresist layer devoid of a phenoxy resin, and a photoresist layer containing a phenoxy resin.

Abstract: A nozzle plate of a fluid ejection head for a fluid ejection device, a fluid ejection head containing the nozzle plate, and a method for making the fluid ejection head containing the nozzle plate. The nozzle plate includes an array of nozzle holes and a fluid channel layer attached to an exposed surface of the nozzle plate, wherein the fluid channel layer comprises a fluid channel formed in the fluid channel layer adjacent to each nozzle hole for urging fluid from each nozzle hole.

Abstract: A fluid reservoir for a fluid ejection head structure and a method for priming a fluid ejection head for a fluid dispensing device. The fluid reservoir includes an enclosed fluid cavity therein configured for containing fluid, a fluid outlet in fluid flow communication with the enclosed fluid cavity, and a flow inducing pump attached to the fluid reservoir opposite the fluid outlet.

Abstract: A pharmaceutical drug delivery device and method of preventing drying out and drooling of an ejection head for the drug delivery device. The device includes a device body; a fluid outlet nozzle attached to the device body; and a fluid jet ejection cartridge containing a liquid pharmaceutical drug disposed in the body. A fluid ejection head is attached to the fluid jet ejection cartridge and is in fluid flow communication with the fluid outlet nozzle. An elongate, serpentine air flow path disposed between an inner surface of the fluid outlet nozzle and a sealing material that is disposed between an outer surface of the fluid jet ejection cartridge and the inner surface of the fluid outlet nozzle, wherein the elongate, serpentine air flow path provides a reduced pressure differential adjacent to a surface of the ejection head upon use of the drug delivery device and provides a humidification zone.