Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

1079results about "Inking apparatus" patented technology

Method of manufacturing display apparatus

A method of manufacturing a display apparatus includes discharging liquid droplets in a first area of a substrate, moving a discharge part by a first distance along a side of the substrate and discharging the liquid droplets in a second area of the substrate, and moving the discharge part by a second distance along the side of the substrate and discharging the liquid droplets in a third area of the substrate. The first distance is different from the second distance.
Owner:SAMSUNG DISPLAY CO LTD

Painting system

To provide a coating system that can improve the property of discharging air bubbles and foreign matter from inside a coating head unit.SOLUTION: A painting robot 10 comprises: a painting head unit 50 comprising a painting head 53; a robot arm R1, which moves the painting head unit 50 to a desired position; a head control unit 90, which controls operation of the painting head 53; and a control unit comprising a robot arm control unit 70, which controls operation of the robot arm R1. The robot arm control unit 70 is configured to perform: head movement control to move the painting head unit 50 to shift a posture of the painting head unit 50 from an ejection position of ejecting droplets, so as to move air bubbles B1 present in the painting head 53; and posture return control to return the posture of the painting head unit 50 to the ejection position. The head control unit 90 is configured to perform droplet ejection control to eject droplets from a nozzle 54 during or immediately after the posture return control.SELECTED DRAWING: Figure 2
Owner:ABB (SCHWEIZ) AG

RFID printer for single hang tag

The utility model relates to an RFID (Radio Frequency Identification Device) printer for a single hang tag, which comprises a thermal transfer ribbon printer and an RFID reader-writer, a hang tag stacking and conveying device is arranged in a hang tag stacking area, a plurality of hang tags are stacked on a conveying surface of a conveying belt in the hang tag stacking and conveying device, and an RFID tag is embedded in each hang tag; the thermal transfer ribbon printing head can conduct online thermal transfer printing on passing hangtags through a walking thermal transfer ribbon, a hangtag one-by-one output device is arranged at the output end of the hangtag stacking and conveying device, and an RFID read-write antenna is installed in the hangtag printing area and located between the hangtag one-by-one output device and the thermal transfer ribbon printing head. And the RFID reader-writer can write data into the hang tags which pass one by one through the RFID read-write antenna. The system has the advantages that firstly, the printer can perform online printing and data entry on a single hang tag embedded with an RFID tag at the same time, the printer can ensure that the single hang tag is printed one by one and data is entered one by one, and the hang tag is not easy to be stuck; and thirdly, the printer can print hang tags with different thicknesses, and is good in printing applicability and convenient to adjust.
Owner:ZHEJIANG LEIDAN TECH CO LTD

Piezoelectric element, liquid dispensing head, and liquid dispensing device

To provide a piezoelectric element that can improve the insulating properties of the piezoelectric layer. [Solution] A piezoelectric element comprising a substrate, a first electrode provided on the substrate, a piezoelectric layer provided on the first electrode and containing potassium, sodium, and niobium, and a second electrode provided on the piezoelectric layer, wherein the piezoelectric layer has a first layer provided on the first electrode and a second layer provided on the first layer, and the piezoelectric layer has a first region including a first interface between the first layer and the second layer and a second region located within the first layer without including the first interface, and the molar ratio of potassium to sodium in the first region is greater than the molar ratio in the second region.
Owner:SEIKO EPSON CORP

Printhead force adjust and lift system and method

The present disclosure is directed to a printhead assembly for use in a printer. The printhead assembly includes a printhead positioned to engage a platen roller of the printer and a printhead holder retaining the printhead. The printhead assembly also includes a cam shaft designed to rotate into an idle position and one or more active positions and a force cam connected to the cam shaft and positioned to apply a variable downward force to the printhead. The printhead assembly further includes lift cams connected to the cam shaft and positioned to engage the printhead holder. The force cam causes the printhead to apply a nip force to the platen roller when the cam shaft is in any of the active positions. The lift cams engage the printhead holder and move the printhead out of engagement with the platen roller when the cam shaft is in the idle position.
Owner:BRADY WORLDWIDE INC

Liquid spray head and two-part adhesive

To provide a liquid spray head having a cured adhesive product that has a low environmental impact, is fast-curing, and acid-resistant. [Solution] The liquid spray head is a liquid spray head that sprays liquid from a nozzle and comprises a first member, a second member, and a cured product of a two-component mixed adhesive that adheres the first member and the second member. The two-component mixed adhesive comprises liquid A, which contains a main component including an epoxy resin that does not contain bisphenol; liquid B, which contains at least one of 2,5-bis(aminomethyl)bicyclo[2.2.1]heptane and 2,6-bis(aminomethyl)bicyclo[2.2.1]heptane and an alkylphenol; and a polymer of an aromatic amine contained in liquid A or liquid B. The alkylphenol is (a) an alkylphenol having at least one ethyl group, or (b) an alkylphenol having 1 to 3 carbon atoms in the alkyl group and at least one methyl group and one isopropyl group.
Owner:SEIKO EPSON CORP

Liquid dispensing device and capacitive load drive circuit

To provide a liquid dispensing device that can increase the frequency of the drive signal. [Solution] A capacitive load drive circuit that outputs a drive signal to displace a capacitive load comprises a gate drive circuit that outputs a first gate drive signal corresponding to a modulation signal output by a modulation circuit and a second gate drive signal corresponding to the modulation signal, an amplification circuit that outputs an amplified modulation signal by driving a first transistor driven in accordance with the first gate drive signal and a second transistor driven in accordance with the second gate drive signal, and a demodulation circuit that outputs a drive signal obtained by demodulating the amplified modulation signal, wherein the first transistor and the second transistor contain gallium nitride, and the gate drive circuit, the first transistor and the second transistor are housed in a single package, constituting a semiconductor device, in a liquid dispensing device.
Owner:SEIKO EPSON CORP

Piezoelectric element and liquid dispensing head

To provide a piezoelectric element with excellent displacement characteristics, and a liquid dispensing head including such piezoelectric element. [Solution] The piezoelectric element comprises a piezoelectric layer consisting of multiple layers and a pair of electrodes arranged on either side of the piezoelectric layer, wherein the piezoelectric layer is made of lead zirconate titanate, and when the average value H(Ave), maximum value H(max), and minimum value H(min) of the hydrogen content contained in the multiple layers in the center of the piezoelectric layer are defined as follows, and ΔH is the larger of the absolute values ​​of (H(max)-H(ave)) / H(ave)) or (H(min)-H(ave)) / H(ave)) as the rate of change of hydrogen content, ΔH is 24% or less.
Owner:SEIKO EPSON CORP

Head chip, liquid jet head, liquid jet recording device, and method of manufacturing head chip

There are provided a head chip, a liquid jet head, a liquid jet recording device, and a method of manufacturing the head chip each capable of achieving a reduction in size in a direction perpendicular to the ejection direction while ensuring the desired ejection performance. The head chip according to an aspect of the present disclosure includes a first ejection section, a jet hole plate arranged at a first side in a first direction of the first ejection section, a return plate which has a plurality of first communication channels configured to individually communicate a plurality of first jet channels and a plurality of first jet holes with each other, and which is arranged between the first ejection section and the jet hole plate in the first direction, and a flow channel plate which has a plurality of first connecting channels individually communicated with the plurality of first communication channels to constitute first return channels together with the corresponding first communication channels, and a manifold communicated in a lump with the plurality of first connecting channels, and which is arranged at a second side in the third direction of the first ejection section.
Owner:SII PRINTEK INC

Droplet ejection head

PendingEP4620675A4Inking apparatus
A liquid droplet discharge head according to the present disclosure includes a head body, a driver IC, a flexible substrate, a heat dissipation plate, and a pressing member. The head body includes a plurality of discharge holes that discharge liquid droplets. The driver IC controls driving of the head body. the driver IC is mounted on the flexible substrate, and the flexible substrate is electrically connected to the head body. The heat dissipation plate dissipates heat generated by the driver IC. The pressing member presses the driver IC against the heat dissipation plate. The heat dissipation plate and the pressing member are fixed to each other at a center portion of the head body in the longitudinal direction thereof.
Owner:KYOCERA CORP

Liquid dispensing head, liquid dispensing unit, and liquid dispensing device

To provide a liquid discharge head which can be reduced in a size.SOLUTION: There is provided a liquid discharge head comprising: a nozzle plate on which, on a plane formed of a first direction and a second direction, a plurality of nozzles is formed; and a nozzle plate holding member for holding the nozzle plate. The second direction is defined as a direction where the plurality of nozzles is arranged at an equal interval at a prescribed pitch corresponding to recording resolution, a plurality of nozzle rows formed of the plurality of nozzles is inclined to the second direction and is formed on the nozzle plate, and the nozzle plate comprises: a nozzle plate short side which is inclined to the second direction; and a nozzle plate long side crossing the nozzle plate short side. When a sharp angle formed by the nozzle plate short side and the nozzle plate long side is an angle θ1, and an interior angle which is adjacent to the angle θ1, and is formed by a nozzle plate holding member long side along the nozzle plate long side of the nozzle plate holding member and the nozzle plate holding member short side crossing the nozzle plate holding member long side, is θ2, a total sum of the angle θ1 and the angle θ2 is less than 180 degrees.SELECTED DRAWING: Figure 7
Owner:RICOH CO LTD

Element substrate

A switch is configured to switch connection between a second terminal to which a data signal is input and a memory control signal of a memory element in accordance with a switching signal included in a data signal. In write to a memory element, the switching signal switches such that the switch connects the second terminal and the memory control signal of the memory element, and a pulse signal for the write to the memory element is input via the second terminal.
Owner:CANON KK

Liquid ejection apparatus, liquid ejection head control device, and liquid ejection head control method

A liquid ejection head includes ejection drive elements for driving ejection energy generation elements based on ejection data and circulation drive elements for driving circulation energy generation elements based on circulation data. A liquid ejection head control unit includes a unit configured to generate the ejection data based on image data and a generation unit configured to generate the circulation data based on the ejection data, the circulation data being such that in a case where an ejection drive element does not drive the ejection energy generation element corresponding to the ejection drive element within an inspection zone defined in the ejection data and shifted in the scanning direction, the circulation drive element corresponding to the ejection drive element drives the circulation energy generation element corresponding to the circulation drive element in a drive zone included in the inspection zone.
Owner:CANON KK

Piezoelectric actuator and liquid ejection head

A piezoelectric actuator includes a piezoelectric element, and a vibrating plate that vibrates through driving of the piezoelectric element. The vibrating plate includes a first layer containing zirconium oxide as a main constituent material. When zirconium oxide contained in the first layer is measured by X-ray diffraction, and when an intensity related to a cubic crystal (111) is defined as a first intensity and an intensity related to a monoclinic crystal (111) is defined as a second intensity, the ratio of the first intensity to the sum of the first intensity and the second intensity is 40% or more.
Owner:SEIKO EPSON CORP

Non-contact deposition system including a jetting assembly

A non-contact deposition system includes a jetting assembly including at least one microvalve. The microvalve includes an orifice plate defining an orifice therethrough. An actuation beam is disposed in spaced relation to the orifice plate. The actuation beam includes a base portion and a cantilever portion extending from the base portion toward the orifice and movable between a closed position and an open position. A seal structure including a sealing member is disposed at an overlap of the cantilever portion. A fluid manifold is coupled to the microvalve and defines a fluid reservoir containing a pressurized fluid. When the actuation beam is in the closed position, the cantilever portion is positioned such that the seal structure seals the orifice to close the microvalve, and in the open position, fluid is dispensed from the orifice toward a substrate and deposited thereon.
Owner:MATTHEWS INTERNATIONAL CORP

Liquid ejecting apparatus, control method, and storage medium

A liquid ejecting apparatus includes: a circulation channel; a circulating pump configured to circulate a liquid in the circulation channel; and a control unit configured to perform control that drives the circulating pump at a first number of times of driving in a case of performing a printing operation in which the liquid is ejected onto a printing medium, and drives the circulating pump at a second number of times of driving smaller than the first number of times of driving in a predetermined case which is before performing the printing operation.
Owner:CANON KK

Printing system comprising an adjustment actuator for the adjustment of a plurality of print heads

A printing system with at least one printing bar which comprises at least a first and a second print head, wherein the printing system is designed in such a way that the first and the second print head can be adjusted in an actuator-based manner in relation to a print medium by positioning and orienting by means of a single adjustment actuator, wherein an auxiliary means with the single adjustment actuator is arranged on the printing bar in such a way that, with the help of this auxiliary means, an operative connection of the adjustment actuator to the first print head can be released and / or established and an operative connection to the second print head can be released and / or established, characterized in that the adjustment actuator comprises: - only one motor, a first screw head which is mounted rotatably about a first axis, a second screw head which is mounted rotatably about a second axis, a drive train which is drive-connected to the motor and the first and second screw head in such a way that a rotational movement of the motor is turned into a simultaneous rotational movement of the first screw head about the first axis and of the second screw head about the second axis.
Owner:DURST GROUP AG

Fluid mixers in jetting channels of a printhead

Printheads that jet print fluids. In an embodiment, a printhead comprises a plurality of jetting channels, where each jetting channel includes a diaphragm, a pressure chamber, and a nozzle configured to jet a print fluid. The printhead further comprises a manifold fluidly coupled to the jetting channels, where each jetting channel includes a channel fluid passage that fluidly couples the pressure chamber to the manifold. The printhead further comprises an intra-channel fluid mixer disposed at the channel fluid passage, and configured to cause a circular rotation of the print fluid that flows between the pressure chamber and the manifold through the channel fluid passage.
Owner:RICOH CO LTD

Liquid ejecting head and liquid ejecting apparatus

The present application provides a liquid ejection head and a liquid ejection device that miniaturize the liquid ejection head in a direction parallel to a nozzle face. The liquid ejection head is configured by stacking a plurality of substrates in a first direction, and includes: a plurality of independent flow channels that respectively communicate with a plurality of nozzles that eject liquid in the first direction; a supply-side common liquid chamber that extends in a direction intersecting the first direction, communicates with the plurality of independent flow channels, and supplies liquid to the plurality of independent flow channels; a discharge-side common liquid chamber that extends in the direction intersecting the first direction, communicates with the plurality of independent flow channels, and flows liquid discharged from the plurality of independent flow channels; and a bypass flow channel that connects the supply-side common liquid chamber and the discharge-side common liquid chamber, the supply-side common liquid chamber and the discharge-side common liquid chamber being formed in the same layer of the plurality of substrates, the bypass flow channel having a first portion formed in a different layer of the plurality of substrates from the supply-side common liquid chamber and the discharge-side common liquid chamber.
Owner:SEIKO EPSON CORP

Liquid discharge head and liquid discharge apparatus

A liquid discharge head includes a nozzle plate, a channel substrate, a frame, and a vibration attenuator. The nozzle plate has multiple nozzles from which a liquid is discharged in a liquid discharge direction. The channel substrate has multiple individual liquid chambers communicating with the multiple nozzles, respectively. The frame has a first end adjacent to the channel substrate, a second end opposite the first end in the liquid discharge direction, and a common liquid chamber between the first end and the second end and communicating with the multiple individual liquid chambers. The vibration attenuator is disposed between the first end and the second end in the common liquid chamber. The vibration attenuator has a through hole through which the liquid flows in the common liquid chamber.
Owner:RICOH CO LTD

Color calibration based on position of selected color on review image

A printing device includes a printing engine, a storage unit, and a controller. The printing engine prints on a printing medium. The storage unit stores an overall patch image including patches for color calibration for printing an image based on image data. The patches include basic patches corresponding to predetermined colors. The overall patch image has a first patch area in which the basic patches are arranged and a second patch area different from the first patch area. The controller performs: generating a specified patch that is a patch for a color specified by a user in a preview image corresponding to the image; and printing the overall patch image using the printing engine. In a case where the specified patch is generated, in the printing the generated specified patch is printed in the first patch area and one of the basic patches is printed in the second patch area.
Owner:BROTHER KOGYO KK

A print apparatus ribbon recovery system and method of use thereof

The application discloses a printing device ribbon recycling system and a use method thereof, and relates to the printing field. A pay-off mechanism is rotatably installed at the rear part of the upper end of a support frame. A pay-off torque motor is used to drive the pay-off mechanism to rotate. A winding mechanism is rotatably installed at the front part of the upper end of the support frame. A winding torque motor is used to drive the winding mechanism to rotate. A rear guide mechanism, a printing head and a ribbon guide block are sequentially installed at the lower end of the support frame from the rear to the front. The rear guide mechanism and the printing head are both located at the lower part between the pay-off mechanism and the winding mechanism. A ribbon guide mechanism is rotatably installed at the front part of the lower end of the support frame. A driving motor is used to drive the ribbon guide mechanism to rotate. The ribbon guide mechanism is located above the ribbon guide block. A front guide mechanism is rotatably installed at the front part of the lower end of the support frame. The front guide mechanism is located in front of the ribbon guide mechanism. The printing device ribbon recycling system and the use method thereof can realize ribbon rewinding, and solve the problem of ribbon waste in the cooling stroke.
Owner:QUFU HANBO ELECTRONIC TECH CO LTD

Liquid discharge head and liquid discharge device

ActiveJP7858402B2Inking apparatus
To provide a liquid discharge head and a liquid discharge device which suppress occurrence of discharge failures without increasing the size of the device.SOLUTION: Between a circulation unit and a supply passage communicating with a pressure chamber, a passage is provided which has a vertical cross-sectional area in a liquid circulation direction twice or more a vertical cross-sectional area in the liquid circulation direction in the supply passage, is inclined relative to a gravity direction, and has a passage inner wall where a component force of a normal vector has a gravity direction component.SELECTED DRAWING: Figure 10
Owner:CANON KK

Element substrate, liquid discharge head, and printing apparatus

An element substrate according to an embodiment of the present invention includes a plurality of print elements and a plurality of drive elements for driving the plurality of print elements. The element substrate comprises a generation circuit configured to generate a first drive signal that drives drive elements belonging to a first group among the plurality of drive elements, and a second drive signal that drives drive elements belonging to a second group among the plurality of drive elements, using a selector configured to switch a signal transmitted from outside of the element substrate and an output destination of the signal within one block period in driving the plurality of drive elements by dividing the plurality of elements into the plurality of blocks. The first drive signal and the second drive signal are generated at different timings.
Owner:CANON KK

Substrate positioning for a deposition machine

A deposition apparatus is described. The deposition apparatus has a substrate support and a laser imaging system disposed to image a portion of a substrate positioned on the substrate support. The laser imaging system includes a laser source and an imaging unit, and the laser imaging system is coupled to a deposition assembly disposed across the substrate support.
Owner:KATEEVA INC

Liquid ejecting head

A liquid ejection head includes: a single-use ejection unit including an ejection port, a pressure chamber, a first energy generating element provided in the pressure chamber and generating thermal energy, and a second energy generating element provided in a single-use flow path and generating thermal energy; and a common flow path that supplies the liquid to the single-use flow path, in which the direction in which the ejection ports are arranged perpendicularly intersects the direction in which the single-use flow path extends, and in which a liquid ejection head provided with a structure that increases the flow resistance between the first energy generation element and the second energy generation element is used.
Owner:CANON KK