Unlock instant, AI-driven research and patent intelligence for your innovation.

Liquid discharge apparatus and circuit substrate

A technology for circuit substrates and liquid ejection heads, which is applied in printing and other directions, and can solve problems such as increasing the number of nozzles

Active Publication Date: 2020-07-07
SEIKO EPSON CORP
View PDF15 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in recent years, the number of nozzles included in the print head has increased due to the demand for high-speed printing and high-definition printing in liquid ejection devices.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Liquid discharge apparatus and circuit substrate
  • Liquid discharge apparatus and circuit substrate
  • Liquid discharge apparatus and circuit substrate

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0049] 1.1 Outline of liquid ejection device

[0050] figure 1 It is a diagram showing a schematic configuration of the liquid ejection device 1 . The liquid ejection apparatus 1 forms an image on a medium P by reciprocating a carriage 20 on which a liquid ejection head 21 that ejects ink as an example of a liquid is mounted, and ejects the ink to the medium P being transported. Inkjet printers for serial printing. In the following description, the direction in which the carriage 20 moves is referred to as the X direction, the direction in which the medium P is transported is referred to as the Y direction, and the direction in which the ink is ejected is referred to as the Z direction. In addition, although the X direction, the Y direction, and the Z direction have been described as directions orthogonal to each other, the various structures included in the liquid ejection device 1 are not limited to those arranged orthogonally. In addition, as the medium P, arbitrary prin...

no. 2 approach

[0207] The liquid ejection device 1 in the second embodiment will be described. The liquid ejection device 1 in the second embodiment differs from the first embodiment in the position of wiring for transmitting the voltage VDD and the ground signal GND1 among the signals transmitted by the cable 19 a 1 . In addition, when describing the liquid ejection device 1 in the second embodiment, the same structures as those in the first embodiment are given the same reference numerals, and descriptions of the same structures as in the first embodiment are omitted.

[0208] Figure 32 This is a diagram showing details of signals transmitted by the cable 19a1 and input to the relay board 330a via the connector 350a1 in the second embodiment. Figure 33 This is a diagram showing details of signals transmitted by the cable 19b1 and input to the relay board 330b via the connector 350b1 in the second embodiment. Here, in the second embodiment, a configuration will be described in which the...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a liquid ejecting apparatus and a circuit board capable of reducing the possibility of deformation of a waveform of a control signal. In a liquid discharge apparatus, a circuitsubstrate includes a first terminal group provided on a first surface and a second terminal group provided on a second surface. The first terminal group includes a first terminal to which a first signal is input, a second terminal to which a second signal is input, and a third terminal to which a reference voltage signal is input. The second terminal group includes a fourth terminal electrically coupled to the first terminal, a fifth terminal electrically coupled to the second terminal, and a sixth terminal electrically coupled to the third terminal. The first terminal and the second terminalare arranged side by side. The third terminal is not located between the first terminal and the second terminal. The fourth terminal and the fifth terminal are arranged. The sixth terminal is locatedbetween the fourth terminal and the fifth terminal.

Description

technical field [0001] The present invention relates to a liquid ejection device and a circuit board. Background technique [0002] There is known a technique that uses a piezoelectric element such as a pressure element in an inkjet printer (liquid ejection device) that ejects liquid such as ink to print images or text. Piezoelectric elements are provided in a print head (liquid ejection head) corresponding to a plurality of nozzles, respectively. Furthermore, by driving the piezoelectric elements in accordance with the drive signals, a predetermined amount of liquid is ejected from the nozzle at predetermined timing to form dots on the medium. In such a liquid ejection device, drive signals supplied to the liquid ejection head are supplied via a plurality of cables from various control circuits that generate the drive signals. [0003] Patent Document 1 discloses a technique in which, in a liquid ejection device, a liquid ejection head and various control circuits includi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/01B41J2/045
CPCB41J2/01B41J2/04501B41J2/04541B41J2/04581B41J2/04588B41J2/04593B41J2/04596B41J2/14233B41J2002/14491B41J2/04573B41J2/0457B41J2/04543B41J2/14
Inventor 长谷川稔植松秀和
Owner SEIKO EPSON CORP