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Patent Searching and Data


Title:
INKJET CARTRIDGE, CIRCUIT SUBSTRATES, AND INKJET CARTRIDGE ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2020/224336
Kind Code:
A1
Abstract:
Provided are an inkjet cartridge, circuit substrates, and an inkjet cartridge assembly. The inkjet cartridge comprises a cartridge body (11), a first circuit substrate (12) and a second circuit substrate (15) arranged on the cartridge body, a placement portion, and an ink holding compartment (13) held in the placement portion in a replaceable manner. The first circuit substrate (12) is provided with a nozzle circuit (122) and a first interface circuit (121), which are electrically connected to each other; the second circuit substrate (15) is provided with a second interface circuit (151) and a third interface circuit (152); and the ink holding compartment (13) is provided with a first storage circuit (142) and a fourth interface circuit (141), which are electrically connected to each other. The fourth interface circuit (141) can be electrically connected to the third interface circuit (152), and the first storage circuit (142) at least stores ink volume information of the ink holding compartment. The second circuit substrate (15) is further provided with a switching circuit (154), which is configured to process a signal transmission between the second interface circuit (151) and the third interface circuit (152). After the ink holding compartment is replaced, the ink volume information read by a printer from the inkjet cartridge can reflect the ink volume condition of the replaced ink holding compartment.

Inventors:
LIU WEICHEN (CN)
Application Number:
PCT/CN2020/079986
Publication Date:
November 12, 2020
Filing Date:
March 18, 2020
Export Citation:
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Assignee:
APEX MICROELECTRONICS CO LTD (CN)
International Classes:
B41J2/175
Foreign References:
CN110406265A2019-11-05
CN110027324A2019-07-19
CN201856448U2011-06-08
CN104070824A2014-10-01
US5788388A1998-08-04
US6536871B12003-03-25
CN204472118U2015-07-15
CN1654216A2005-08-17
CN206584163U2017-10-24
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (CN)
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