Abstract: A liquid ejecting apparatus with a recording element substrate including an ejection port that ejects liquid, and a heating element that heats the liquid in order to eject the liquid from the ejection port; and at least a first temperature detecting element and a second temperature detecting element. The first temperature detecting element and the second temperature detecting element are formed at target positions centered on the center of the heating element when the recording element substrate is viewed in plan view.

Abstract: A method is provided for determining, in a liquid ejection apparatus, a state of a liquid ejection from an ejection port. The liquid ejection apparatus includes the ejection port configured to eject a liquid, a substrate comprising an electrothermal conversion element configured to generate heat for ejecting the liquid from the ejection port, and a temperature detection unit configured to detect temperature information on the substrate. The method includes performing a first comparison process to compare the temperature information on the substrate detected at a first timing by the temperature detection unit with a first threshold value, and performing a second comparison process to compare the temperature information on the substrate detected at a second timing by the temperature detection unit with a second threshold value.

Abstract: An inductive heating system including a tape with a mechanism for securing a physio tape to the body of a user. An inductive heating element is mounted on or in the tape and is adapted to receive magnetic energy from a remote inductive heating source. In one embodiment, the system further includes a control system operationally coupled to the heating source. A user interface is coupled to the control system to set a temperature profile of the system as a function of time. A first transceiver is coupled to the control system to communicate the program to a second transceiver remotely mounted at the tape. The second transceiver mounted on the tape receives information from a temperature sensor mounted on the tape and sends on and off signals to back to the control system to regulate the flow of energy to the tape and thereby execute the temperature regulation program. The inductive heating source may be mounted in a stationary frame or a mobile wireless platform.

Abstract: A liquid discharge head includes a pressure chamber substrate that is provided with a plurality of pressure chambers, a piezoelectric body that is driven to apply pressure to liquid in the pressure chambers, an upper electrode that is provided above the piezoelectric body for applying a voltage to the piezoelectric body, a lower electrode that is provided below the piezoelectric body for applying a voltage to the piezoelectric body, a detection resistor that is provided below the piezoelectric body for detecting temperature of the liquid in the pressure chambers, and a first wiring portion that is electrically coupled to the detection resistor. The first wiring portion includes a first part that is extended above the piezoelectric body, and a second part that is provided in at least a part of a through hole penetrating the piezoelectric body and electrically coupled to the detection resistor.

Abstract: A printing apparatus includes a print head provided with a discharge port that discharges liquid and a pressure chamber filled with the liquid to be discharged from the discharge port, and configured to perform a printing operation by discharging the liquid from the discharge port based on print data, includes a circulation unit that performs circulation of the liquid in a circulation passage including the pressure chamber in a state where the printing operation is performed, and includes a control unit that controls the circulation unit to continue the circulation for a predetermined time after the printing operation is completed.

Abstract: The disclosure is and includes at least an apparatus, system and method for a flexible heater sensor suitable for association with a fluid bag. The apparatus, system and method may include a conformable substrate on a ply of the fluid bag opposite a printed flexible heater; and a matched function ink set, printed onto at least one substantially planar face of the substrate.

Abstract: A fluid supply device includes a variable fluid volume to contain a supply of fluid and a variable gas volume to receive pressurized gas to pressurize the supply of fluid. A method of monitoring the fluid supply device may include controlling a gas pressure of the pressurized gas to feed the fluid from the fluid volume, the gas pressure varying in a plurality of pressurization cycles; monitoring a parameter of the pressurization cycles; and determining a change in fill state of the fluid volume as a function of the monitored parameter.

Abstract: Systems and techniques for preserving and improving ink jet nozzle health and printing reliability are disclosed herein. The method may include monitoring whether a triggering event has occurred. In response to detecting the triggering event has occurred, pumping at least a portion of ink contained in a header tank in a direction toward an ink cartridge through a tube connecting the header tank to the ink cartridge. The header tank connected to a print head included as a part of a scan head. The method may further include circulating the ink through the tube back into the header tank, and agitating the scan head by moving the scan head along an x-y gantry. Additional methods may include reverse purging, ejecting a portion of ink through nozzles on the print head while simultaneously wiping a nozzle plate included on the print head, and randomizing print head location when printing.

Abstract: An image forming apparatus that forms an image on a recording medium includes: an image former that forms an image on a recording medium and is capable of forming an image for diagnosis, which is an image used for diagnosis of the image forming apparatus; an image reader that reads the image for diagnosis formed on a recording medium; and a processor configured to change at least one of a reading condition under which the image reader reads the image for diagnosis and a processing condition under which a read image obtained by the reading is processed in accordance with a mode of diagnosis of the image forming apparatus.

Abstract: A distance between the first circuit and the second circuit is a first distance, a distance between the first circuit and the temperature detection circuit is a second distance longer than the first distance, and a distance between the second circuit and the temperature detection circuit is a third distance longer than the first distance.

Abstract: A system and method upwards ink deposit onto a substrate in existing printing systems. The system provides for multiple orientations of the print head including jetting in the vertical (or generally upwards) direction to mark a substrate. The system allows the ink jetting to be easily integrated into existing converting or printing processes without the need to add auxiliary web transporting devices such as a turn bar since the print head is jetting the pigment-based ink sets vertically as illustrated in the document provided. To jet vertically the ink viscosity needs to be closely controlled utilizing in line ink heating systems that are deployed throughout the ink supply circuit. The system measures the difference between meniscus and pressure with a predetermined amount of heat applied to the system using in line/integrated heating devices in order to accomplish a vertical jet at speed.

Abstract: A print element substrate, comprising a plurality of functional elements, a plurality of driving elements configured to drive the plurality of functional elements based upon one of a plurality of drive signals, a shift register configured to store functional data indicating whether or not to drive the functional element, a data analyzing unit configured to analyze the functional data input into the shift register, and a drive signal selection unit configured to select one of the plurality of drive signals in response to an analysis result from the data analyzing unit.

Abstract: An inkjet printing apparatus adopting short pulse heating is designed to output a uniform image without unevenness. To this end, in a serial inkjet printing apparatus, a print head is subjected to a short pulse heating treatment before each print scan is carried out. In a case where a print medium is a first print medium, the print head is heated to a first target temperature before carrying out each of the print scans. In a case where the print medium is a second print medium, the print head is heated to a second target temperature lower than the first target temperature before carrying out each of the print scans.

Abstract: Since ink is not heated at a protrusion connecting an ink supplying device and a print head chip or the like, the viscosity of the ink increases, and the fluidity may not be maintained in some cases. An inkjet printer 1 for solving the above problem includes an inkjet head 300 that ejects ink; a protrusion 310 provided to protrude from the inkjet head 300 and configured to circulate the ink to the inkjet head 300; and an ink flow path portion 6 that supplies the ink to the protrusion 310; where the ink flow path portion 6 includes an ink warming block 200 that heats the ink, and a conducting portion 210 that is formed in the ink warming block 200 itself or separately from the ink warming block 200 and through which heat from the ink warming block 200 is conducted is adjacently disposed outside the protrusion 310.

Abstract: Provided is an electric wiring member supported by a support member that supports a recording element substrate configured to eject a liquid. The electric wiring member has a signal line for transmitting a drive signal used for driving the recording element substrate, a power line for supplying drive power to the recording element substrate, and a heat generating resistive line for heating the support member. The power line is arranged between the signal line and the heat generating resistive line.

Abstract: A liquid discharging apparatus includes: a head having a plurality of nozzles; and a controller. The controller executes: a discharging processing of discharging liquid, from each of the nozzles toward a recording medium, in a liquid droplet amount which is selected for each of pixels from at least three kinds of liquid droplet amounts; and a total discharge amount calculating processing of calculating a total discharge amount of the liquid to be discharged from the nozzles in the discharging processing, based on the liquid droplet amount selected for each of the pixels and a discharge duty which is density of the liquid droplet per a unit area of the recording medium.

Abstract: A head cooling device includes a refrigerant supplying portion, a switching portion, and a switch processing portion. The refrigerant supplying portion supplies a refrigerant to each of a plurality of recording heads, which ejects ink, through a supplying path. The switching portion can switch a corresponding supplying path of at least one of the plurality of recording heads. The switch processing portion controls the switching portion to switch the corresponding supplying path so as to decrease the temperature difference among the plurality of recording heads.

Abstract: A printer includes an ink ejecting section that ejects ink from a nozzle, an ink circulation path including an ink flow path through which the ink can be supplied to an ink ejecting section and an ink return path through which the ink supplied to the ink ejecting section is returned, a warming device including a temperature control module provided in the ink circulation path, where the warming device can heat the ink in the temperature control module, and a feed pump that can flow the ink in the ink circulation path, wherein the flow rate of the ink, in the ink circulation path, heated by the warming device is adjusted.

Abstract: An apparatus includes a plurality of head portions which supplies droplets on a processing substrate, and a controller which applies a signal to each of the head portions, where the controller controls each of the head portions to supply the droplets on the processing substrate, where the signal includes a difference between a preset location of a pixel and an actual location of a pixel.

Abstract: A recording apparatus includes a storage unit, a supply flow path, a degassing unit, and a temperature adjustment unit. The storage unit stores liquid that is supplied to a recording head that discharges the liquid. The supply flow path connects the storage unit and the recording head. The degassing unit degases the liquid flowing in the supply flow path. The temperature adjustment unit is positioned between the storage unit and the degassing unit and adjusts a temperature of the liquid flowing in the supply flow path.

Abstract: An integrated circuit includes thermal tracking logic, control logic, and an output interface. The thermal tracking logic determines a temperature of a fluid ejection die. The control logic defines an emulated parameter of the fluid ejection die as a function of the temperature of the fluid ejection die. The output interface outputs the emulated parameter to a printer system based on the function and the temperature of the fluid ejection die.

Abstract: A system for designing a temperature sensor arrangement includes a processor and a non-transitory computer readable medium, including instructions, connected to the processor. The processor is configured to execute the instructions for designing a sensor array, the sensor array includes a first transistor of a first device, and a plurality of second transistors of a second device. The processor is configured to execute the instructions for designing a guard ring region between the sensor array and another circuit of an integrated circuit, the guard ring region includes a transistor structure. The processor is configured to execute the instructions for designing a thermally conductive element between the sensor array and the guard ring region, the thermally conductive element is connected to the transistor structure, the first transistor and each of the plurality of second transistors. The processor is configured to execute the instructions for generating the temperature sensor arrangement.

Abstract: A head unit includes a plurality of recording heads and a liquid supply unit. The liquid supply unit includes a body housing, an external connection port, and a head connection port. A body housing is positioned above the nozzles of the plurality of recording heads and has thereinside a common flow path through which the liquid passes. An external connection port is provided in the body housing, communicates with one end of the common flow path, is connected to an external liquid supply source, and through which the liquid passes. A head connection port is provided in the body housing and communicates with the other end side of the common flow path, is connected to each of the plurality of recording heads, and through which the liquid passes.

Abstract: A liquid ejecting head and a liquid ejecting apparatus can suppress decrease in ejection accuracy while suppressing increase in cost and decrease in productivity. To this end, a sub-tank is attached to a bottom of a main body part with a greater number of screws on the front side where the stiffness is low than that on the back side where the stiffness is high.

Abstract: A liquid discharge method of discharging a liquid from a nozzle of a liquid discharge head by applying a drive pulse to a drive element of the liquid discharge head includes an acquisition step of acquiring a recording condition, and a driving step of applying the drive pulse to the drive element. The drive pulse includes a first potential, a second potential different from the first potential, and a third potential different from the first potential and the second potential. The second potential is to be applied after the first potential, and the third potential is to be applied after the second potential. In the liquid discharge method, in the driving step, the drive pulse in which a time of the second potential varies depending on the recording condition acquired in the acquisition step is applied to the drive element.

Abstract: A printer includes a record section, a discharge section, a mount section, a movable rib, a move section, and a control section. The record section records on a sheet by ejecting an ink to the sheet. The discharge section discharges the sheet. The mount section has a mount surface on which the sheet discharged is mounted. A movable rib is configured to protrude from the mount surface and supports the sheet. The dimension of the movable rib in an A-direction is larger than the dimension thereof in a Y-direction. The move section moves the movable rib in a C-direction. The control section controls, based on temperature and humidity information, movement of the movable rib made by the move section.

Abstract: A maintenance system for spray head includes an ink cavity of the spray head communication with the external environment through spray holes. The ink cavity of the spray head is connected with a first accommodating cavity of a first regulating device through a pipeline; when the ink in the ink circulation loop is in a circulating flow state, the ink flows into the ink cavity of the spray head from the first accommodating cavity; because the first accommodating cavity and the ink cavity of the spray head are in a communication state, the change of the first air pressure within the first negative pressure range can make the ink in the first accommodating cavity and the ink cavity of the spray head oscillate at the same time.

Abstract: A liquid circulation mechanism includes a first storage portion configured to store liquid to be supplied to a liquid discharging head, a second storage portion configured to store the liquid collected from the liquid discharging head, a third storage portion configured to store the liquid between the second storage portion and the first storage portion, a first check valve allowing flow of the liquid from the second storage portion to the third storage portion while regulating flow of the liquid from the third storage portion to the second storage portion, in the second collection flow path, and a second check valve allowing flow of the liquid from the third storage portion to the first storage portion while regulating flow of the liquid from the first storage portion to the third storage portion, in the third collection flow path.

Abstract: A liquid circulation device includes a liquid chamber that stores a liquid that is to be supplied to a liquid discharge head. A pipeline through which the liquid can be circulated between the liquid chamber and the liquid discharge head is provided. A heater heats the liquid circulating in the pipeline. A first temperature sensor measures the temperature of the heater, and a second temperature sensor measures the temperature of the liquid in the pipeline. A controller controls the heating of the heater based on the liquid temperature measured by the second temperature sensor. The controller also monitors a change in the measured temperature of the heater over time and turns off the heating of the heater when the monitored change satisfies a predetermined stop condition.

Abstract: To reduce the amount of a liquid that remains in a boundary portion between a pressure receiving plate and a flexible member. Provides is a pressure control unit including a pressure chamber configured, at least a part of a wall forming the pressure chamber being formed of a flexible member; a flow inlet; a flow outlet; a pressure receiving plate, which is provided on an inner surface of the flexible member, and is to be displaced toward an inner side and an outer side of the pressure chamber; a valve member configured to open and close the flow inlet in accordance with the displacement of the pressure receiving plate; and an internal flow passage, which extends in a boundary portion between the pressure receiving plate and the flexible member along the inner surface of the flexible member, and is opened on a side surface of the pressure receiving plate.

Abstract: A liquid ejection head includes a flow path-forming part having a flow path for liquid supplied from a liquid reservoir and a plurality of outlet ports for discharging the liquid, a liquid ejecting unit having a plurality of inlet ports into which the liquid flows and a plurality of ejection element rows corresponding to the inlet ports and each having a plurality of ejection elements to eject the liquid, and a sealing member having a sealing opening which allows communication between the plurality of outlet ports and the plurality of inlet ports. sealing member seals a portion between the flow path-forming part and the liquid ejecting unit so that the plurality of outlet ports and the plurality of inlet ports are in communication. A plurality of the sealing openings are provided for the sealing member, and at least one of the sealing openings has at least two inlet ports.

Abstract: The present application provides a method for speed estimation, device, electronic device, and storage medium, and relates to the technical field of rotational speed estimation. The method for speed estimation is applied to a three-phase brushless motor: firstly, acquire voltages of three terminals of a three-phase brushless motor; secondly, take the voltage difference value of each two terminals as an equivalent line voltage; thirdly, determine a virtual Hall signal according to a zero-crossing point of the equivalent line voltage; and lastly, estimate the rotational speed of the three-phase brushless motor according to the virtual Hall signal. The method for speed estimation, device, electronic device, and storage medium provided in the present application have the advantage of being simpler for rotational speed estimation.

Abstract: The invention relates to a dosing system (1) for a dosing material having a dosing device (5) with a housing (11), the housing (11) comprising a feed channel (80) for dosing material, a nozzle (40), a discharge element (31) and an actuator unit (10) coupled to the discharge element (31) and/or the nozzle (40). The dosing device (5) further comprises a dosing material reservoir (70) which is coupled to the housing (11) or integrated into the housing (11). The dosing system (1) has a plurality of temperature control devices (2, 2?, 2?) which are each assigned to different temperature zones (6, 6?, 6?) of the dosing system (1) in order to control the temperature zones (6, 6?, 6?) differently. At least one first temperature zone (6) is assigned to the dosing material reservoir (70) and at least one second temperature zone (6?) is assigned to the nozzle (40).

Abstract: In an image forming apparatus, a control unit (a) sets an ink residual estimation value of a subtank as a first reference value corresponding to a tank capacity of the subtank when ink empty is detected on an ink container, and determines whether the ink residual estimation value is less than the ink consumption estimation value of a subsequent page in a print job or not, and (b1) stops the print job if the ink residual estimation value is less than the ink consumption estimation value of the subsequent page and (b2) continues the print job if the ink residual estimation value is equal to or larger than the ink consumption estimation value of the subsequent page.

Abstract: A highly reliable multilayer structure element substrate according to an embodiment of this present invention comprises: an electrothermal transducer; a temperature detection element formed at a position where the temperature detection element at least partially overlaps the electrothermal transducer in a planar view of the element substrate; and a plurality of wirings connected to the temperature detection element, wherein the temperature detection element can detect temperatures in a plurality of regions when a plurality of different wirings out of the plurality of wirings are selected.

Abstract: A system comprises a printhead including a nozzle, a temperature sensor and a processor. The temperature sensor detects the temperature of a location of a print surface upon firing the nozzle to eject a drop of printing fluid to the location of the print surface. The processor determines whether the nozzle ejected the drop properly using the detected temperature.

Abstract: Apparatus and methods are provided for measuring the dryness of primer on a substrate in an inline priming system. In implementations, the apparatus comprises a plurality of measurement electrodes spaced laterally to extend across and contact a primed surface of a substrate following application of a primer to the substrate as it is fed through the inline priming system. A resistance measurement unit is provided as part of the dryness measuring apparatus to, in use, measure the surface resistance of the primed substrate between different measurement electrodes across the primed surface of a substrate. A controller is provided in the dryness measurement apparatus, the controller arranged to, in use: receive the measured surface resistance value and to generate, based on the measured surface resistance values, a dryness profile indicative of the dryness of the primer at locations across the substrate in the direction of the spacing of the electrodes.

Abstract: An image forming apparatus includes a print engine, a DC motor, a driving circuit, and a processor. The print engine forms an image. The DC motor drives the print engine. The driving circuit provides a current to the DC motor, and senses a variation of the current provided to the DC motor. The processor calculates a temperature of the DC motor based on the variation of the current flowing through the DC motor, and controls an operation of the image forming apparatus based on the calculated temperature.

Abstract: An example system includes an inlet, a guide structure, a heat exchange device and an outlet. In that example the heat exchange device is in thermal contact with the guide structure to change the temperature of print material. The print material may act on the temperature of a print head die while guided through the print head die.

Abstract: Examples include a fluid ejection system. The fluid ejection system comprises a fluid supply reservoir, a fluid ejection die, a fluid delivery subsystem, and a control engine. The fluid ejection die comprises nozzles to eject fluid and at least one temperature sensor disposed on the die to sense a temperature of the fluid ejection die. The fluid delivery subsystem fluidly connects the fluid reservoir and the fluid ejection die, and the fluid delivery subsystem comprises at least one valve to regulate conveyance of fluid from the fluid supply reservoir to the fluid ejection die. The control engine controls the at least one valve to thereby regulate conveyance of fluid from the fluid supply reservoir to the fluid ejection die based at least in part on the temperature of the fluid ejection die.

Abstract: A jetting assembly that can be used to print a high-temperature print material such as a metal or metal alloy, an aqueous ink, or another material, includes an actuator for heating a gas such as a non-volatile gas within a gas cavity. The actuator rapidly heats the gas within the gas cavity, which rapidly increases a volume of the gas, thereby applying a pressure to the print material within an expansion channel that is in fluid communication with the gas cavity. In turn, the print material within the expansion channel applies a pressure to the print material within a nozzle bore, which forces a drop of the print material from a nozzle. The jetting assembly further includes a supply inlet that supplies the print material to the expansion chamber and the nozzle bore, for example, from a reservoir.

Abstract: An image capturing apparatus includes a printed wiring board and an inductor. The inductor includes a winding wire portion, a pair of wire portions drawn out from the winding wire portion to a first side in a first direction, and a pair of electrodes connected to the pair of wire portions. The printed wiring board includes a pair of pads connected to the pair of electrodes, and a pair of wiring patterns extending from the pair of pads. Each of the pair of wiring patterns extends from a first portion of corresponding one of the pair of pads. The first portion is a portion extending from an end of the corresponding one of the pair of pads on a second side in the first direction to a length that is two thirds of a length of the corresponding one of the pair of pads in the first direction.

Abstract: A printing apparatus, which uses a printhead including a circuit configured to inspect an ink discharge status of a selected nozzle using a temperature detection element, causes the printhead to inspect the ink discharge status by changing a threshold value for judging a detection result of the temperature detection element, in order to judge the ink discharge status in a state in which a heater in the selected nozzle is driven by each of a first pulse and a second pulse whose waveform is different from that of the first pulse, obtains first information about a change point where a judgment result obtained by the first pulse changes, and second information about a change point where a judgment result obtained by the second pulse changes, and sets the threshold value, based on the first and second information.

Abstract: A logic circuitry package for a replaceable print apparatus component includes an interface to communicate with a print apparatus logic circuit and at least one logic circuit. The at least one logic circuit includes a memory storing at least one temperature calculation parameter. The at least one logic circuit is configured to receive, via the interface, a first request to read the at least one temperature calculation parameter; and transmit, via the interface, the at least one temperature calculation parameter in response to the first request. The at least one logic circuit is configured to receive, via the interface, a second request corresponding to a sensor ID; and transmit, via the interface, a digital value in response to the second request. The digital value adjusted based on the at least one temperature calculation parameter corresponds to an absolute temperature of the print apparatus component.

Abstract: A spinal rod assembly includes a flexible spinal fusion rod including link members that articulate with one another so that the rod is formable into a curved orientation. A locking mechanism is coupled to the link members and can lock the link members so that the rod is maintained in the curved orientation.

Abstract: A fluid delivery system may include a fluid reservoir that may include a fluid supply port through which fluid is supplied to the fluid reservoir, a fluid outlet port through which a first portion of discharged fluid is supplied from the reservoir to a fluid ejection device, a fluid inlet port through which a second portion of the discharged fluid is recirculated back to the reservoir and through which air is pushed into the reservoir and an atmospheric vent to vent the air, that was pushed into the reservoir through the fluid inlet port, from the reservoir.

Abstract: A fluidic die that includes at least one temperature sensor coupled to at least one zone of the fluidic die, a setpoint register to receive a target temperature setpoint for the fluidic die wherein a detected temperature presented by the at least one temperature sensor is compared to the target temperature setpoint using a comparator module to get a firing pulse adjustment value, and a firing pulse used to convey an amount of fluid within the die is adjusted using the firing pulse adjustment value.

Abstract: There is provided a liquid discharge head including: a channel member including individual channels that include nozzles and pressure chambers communicating with the nozzles and at least part of a first common channel communicating with the individual channels; a vibration plate overlapping in a first direction with the channel member and covering the pressure chambers; driving elements placed on a surface of the vibration plate at a side opposite to the pressure chambers in the first direction; and a protection substrate disposed on the surface of the vibration plate, where the driving elements are placed, at the side opposite to the pressure chambers and covering the driving elements, wherein the protection substrate includes a second common channel that is common to the individual channels and the channel member includes a connection channel connecting the individual channels and the second common channel.

Abstract: In some examples, a system includes a device support to receive a fluid dispensing device, and a controller to identify, based on data controlling activation of fluidic actuators, a fluidic actuator that is to be activated in a first activation cycle of a group of activation cycles that correspond to activation intervals of respective fluidic actuators of a group of fluidic actuators of the fluid dispensing device, the identified fluidic actuator being part of the group of fluidic actuators. To perform a sense measurement for the identified fluidic actuator, the controller suppresses activation of the identified fluidic actuator in the first activation cycle, and causes activation of the identified fluidic actuator in a sense measurement cycle different from the first activation cycle, the sense measurement cycle being part of the group of activation cycles.

Abstract: The disclosure provides a fully new method for molten metal coating treatment coating treatment, as a method for treating surfaces of a metal strip by molten metal coating, by which inherent issues in conventional immersion coatings and spray coatings are avoided. In the disclosed method for molten metal coating treatment, a surface of a metal strip is coated by discharging a droplet of a molten metal toward the surface of the metal strip, using a nozzle system configured to discharge the droplet of the molten metal from a nozzle due to an action of the Lorentz force generated on the molten metal by sending an electric current to the molten metal in a chamber, the chamber being applied with magnetic flux in a given direction, while the electric current sent in a direction perpendicular to the given direction.