Title:
INK CARTRIDGE CHIP, INK CARTRIDGE, AND INKJET PRINTER
Document Type and Number:
WIPO Patent Application WO/2021/244048
Kind Code:
A1
Abstract:
Provided are an ink cartridge chip, an ink cartridge, and an inkjet printer. The ink cartridge chip comprises a substrate (40); a memory (55) and multiple connection terminals (41, 42, 43, 44, 45, 46, 47, 48, 49) are provided on the substrate; the multiple connection terminals comprise multiple first terminals (42, 43, 46, 47, 48) electrically connected to the memory, and the multiple connection terminals further comprise at least one detection terminal (41, 44) and at least one high-voltage terminal (45, 49); a short circuit detection line (50) is provided between the detection terminal and the high-voltage terminal; a short circuit detection circuit (60) is further provided on the substrate; the short circuit detection circuit comprises switch devices (T1, T2); the short circuit detection line is connected to control ends of the switch devices, and both ends of the switch devices are respectively connected to the high-voltage terminal and a preset level; the voltage of the preset level is lower than an operating voltage of the high-voltage terminal.
Inventors:
WEN GUANGUO (CN)
LIAO JIANSHENG (CN)
LIAO JIANSHENG (CN)
Application Number:
PCT/CN2021/074019
Publication Date:
December 09, 2021
Filing Date:
January 28, 2021
Export Citation:
Assignee:
PRINT RITE TECH DEVELOPMENT CO LTD OF ZHUHAI (CN)
International Classes:
B41J2/175
Foreign References:
| CN111890800A | 2020-11-06 | |||
| CN103802483A | 2014-05-21 | |||
| CN110816071A | 2020-02-21 | |||
| CN103753962A | 2014-04-30 | |||
| CN203282858U | 2013-11-13 |
Attorney, Agent or Firm:
INNOPAT INTELLECTUAL PROPERTY CO., LTD. (CN)
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