公开(公告)号：US20220111639A1

公开(公告)日：2022-04-14

申请号：US17497108

申请日：2021-10-08

Applicant: SII PRINTEK INC.

Inventor： Kensuke YOSHIDA

IPC: B41J2/045 ,  B41J2/14

Abstract: There are provided a liquid jet head and so on capable of enhancing the convenience. The liquid jet head according to an embodiment of the present disclosure includes a jet section, a plurality of drive boards, at least one drive device, a waveform setting section, a control switch section, an external control line in which first control communication is performed, an internal control line in which second control communication is performed, and a plurality of drive control lines in which third control communication is individually performed. The waveform setting section generates second waveform configuration information for setting the drive waveform based on first waveform configuration information transmitted from the outside of the liquid jet head using the first control communication. The control switch section performs control switch between a transmission control action and a blocking control action when transmitting the second waveform configuration information, which is transmitted from the waveform setting section using the second control communication, to the drive device using the third control communication.

公开(公告)号：US20240173965A1

公开(公告)日：2024-05-30

申请号：US18386523

申请日：2023-11-02

Applicant: SII Printek Inc.

Inventor： Kensuke YOSHIDA ,  Toshiaki WATANABE

IPC: B41J2/045

CPC classification number: B41J2/04541 ,  B41J2002/14491

Abstract: There are provided a drive device and so on capable of improving the reliability. A drive device according to an embodiment of the present disclosure is a drive device configured to generate a drive signal to be applied to a liquid jet head having a plurality of nozzles, the drive device including a plurality of drive terminals which is arranged along a longitudinal direction of the drive device, and which is configured to individually output the drive signal for jetting liquid from the nozzles, and at least one dummy terminal configured to electrically be coupled to a predetermined constant potential. The plurality of drive terminals is divided into a plurality of drive terminal groups arranged along the longitudinal direction, and the dummy terminal is arranged at at least one of intervals between the plurality of drive terminal groups.

公开(公告)号：US20220097361A1

公开(公告)日：2022-03-31

申请号：US17478181

申请日：2021-09-17

Applicant: SII PRINTEK INC.

Inventor： Kensuke YOSHIDA

IPC: B41J2/045

Abstract: A liquid jet head and so on capable of reducing both of a manufacturing cost and power consumption are provided. The liquid jet head according to an embodiment of the present disclosure is provided with a jet section and at least one drive board. The drive board is provided with a first input terminal and a second input terminal, a plurality of drive devices, a plurality of transmission lines, and a plurality of terminal resistors. The drive devices each have a first input/output section and a second input/output section. The plurality of drive devices include a first drive device and a second drive device. The plurality of transmission lines include a first transmission line, a second transmission line, and at least one third transmission line. The plurality of termination resistors include a first termination resistor, a second termination resistor, and a third termination resistor.

公开(公告)号：US20220111641A1

公开(公告)日：2022-04-14

申请号：US17486379

申请日：2021-09-27

Applicant: SII PRINTEK INC.

Inventor： Kensuke YOSHIDA

IPC: B41J2/045

Abstract: A liquid jet head and so on capable of enhancing the convenience while improving the performance are provided. The liquid jet head according to an embodiment of the present disclosure includes a jet section configured to jet liquid, at least one drive device which applies a drive signal having a predetermined drive waveform to the jet section to thereby cause the jet section to jet the liquid, and a waveform setting section configured to generate regular waveform configuration information for setting the drive waveform based on simplified waveform configuration information supplied from an outside of the liquid jet head. The waveform setting section converts the simplified waveform configuration information including at least one type of reference potential value set along a time axis into the regular waveform configuration information including a plurality of types of power supply potential values set for each of the reference potential values to thereby generate the regular waveform configuration information based on the simplified waveform configuration information.

公开(公告)号：US20200298557A1

公开(公告)日：2020-09-24

申请号：US16801462

申请日：2020-02-26

Applicant: SII PRINTEK INC.

Inventor： Kensuke YOSHIDA ,  Toshiaki WATANABE

IPC: B41J2/045

Abstract: There are provided a liquid ejecting head and a liquid-ejecting recording apparatus in which it is possible to improve convenience. According to an embodiment of the present disclosure, a liquid ejecting head includes an ejecting section including a plurality of nozzles for ejecting liquid, a driving circuit that drives the ejecting section based on a printing driving signal to eject the liquid from the nozzles, a power supply path connected to the driving circuit, a detection section that acquires measurement data based on a detection result of a current flowing on the power supply path, and an arithmetic operation section that performs both an inspection of a state of the ejecting section based on the measurement data obtained by the detection section and acquisition of a parameter for ejection of the liquid.

公开(公告)号：US20230278336A1

公开(公告)日：2023-09-07

申请号：US18172882

申请日：2023-02-22

Applicant: SII Printek Inc.

Inventor： Kensuke YOSHIDA

IPC: B41J2/045

CPC classification number: B41J2/04588 ,  B41J2/04518

Abstract: There are provided a drive circuit and so on capable of controlling costs. A drive circuit according to an embodiment of the present disclosure is a circuit configured to output a drive signal to be applied to a liquid jet head, including a waveform storage section configured to store a plurality of pieces of waveform configuration information, a waveform selection section which is configured to select one of the plurality of pieces of waveform configuration information stored in the waveform storage section and which is configured to output the waveform configuration information selected as selected waveform configuration information, and a signal generation section configured to generate the drive signal configured to jet liquid based on the selected waveform configuration information output from the waveform selection section and an image datum input from an outside of the liquid jet head. The waveform selection section selects the selected waveform configuration information from the plurality of pieces of waveform configuration information using one of a first configuration signal set in advance, and a second configuration signal defined by an additional data signal included in the image datum.

公开(公告)号：US20230014022A1

公开(公告)日：2023-01-19

申请号：US17859607

申请日：2022-07-07

Applicant: SII Printek Inc.

Inventor： Kensuke YOSHIDA

IPC: B41J2/045

Abstract: There is provided a drive board a manufacturing cost of which can be reduced while enhancing a liquid ejection performance. The drive board according to an embodiment of the present disclosure is a drive board which is applied to a liquid jet head, and outputs a drive signal to a jet section, and includes a first wiring layer and a second wiring layer opposed to each other along a direction perpendicular to a board surface, at least one drive device which is mounted on the first wiring layer, and is configured to generate the drive signal, a first power supply wiring line which is arranged in the first wiring layer, and is a wiring line configured to supply drive power toward the drive device, a differential line which is arranged in the first wiring layer, and is a line configured to transmit a differential signal toward the drive device, and a second power supply wiring line which is arranged in the second wiring layer, which is electrically coupled to the first power supply wiring line via a first through hole, and is opposed to a first area in the differential line. A wiring width in the second power supply wiring line is larger than a line width of the first area in the differential line.

公开(公告)号：US20240179836A1

公开(公告)日：2024-05-30

申请号：US18387184

申请日：2023-11-06

Applicant: SII Printek Inc.

Inventor： Kensuke YOSHIDA

IPC: H05K1/02 ,  B41J2/045

CPC classification number: H05K1/0298 ,  B41J2/04541 ,  B41J2/04548 ,  B41J2/04581 ,  H05K1/028

Abstract: The flexible board according to an embodiment of the present disclosure includes a first wiring layer and a second wiring layer opposed to each other along a direction perpendicular to a board surface of the flexible board, at least one drive device which is arranged on the first wiring layer, and which is configured to generate a drive signal, an individual wiring region which is arranged in the first wiring layer, and which includes a plurality of individual wiring lines, a common wiring region which is arranged in the second wiring layer, and which includes at least one common wiring line, a pressure-bonding electrode part which is arranged closed to the jet section side than the individual wiring region and the common wiring region in the board surface, and which includes a plurality of pressure-bonding electrodes electrically coupled individually to the plurality of individual wiring lines and the at least one common wiring line, and an overlap region in which at least a part of the individual wiring region and at least a part of the common wiring region overlap each other in the board surface.

公开(公告)号：US20240173966A1

公开(公告)日：2024-05-30

申请号：US18387590

申请日：2023-11-07

Applicant: SII Printek Inc.

Inventor： Kensuke YOSHIDA

IPC: B41J2/045

CPC classification number: B41J2/04541 ,  B41J2002/14491

Abstract: The drive board according to an embodiment of the present disclosure is a board configured to output a drive signal to be applied to a liquid jet head having a plurality of nozzles, including at least one drive device which is mounted on a board surface of the drive board, which is configured to generate the drive signal for jetting liquid from the nozzles, and which has a plurality of digital ground terminals located at a plurality of places different from each other, and a digital ground wiring line which is arranged in a mounting region of the drive device, and which is electrically coupled commonly to the digital ground terminals at two or more places out of the digital ground terminals at the plurality of places.