Patent ID: 11926163
Assignee: GEEHY MICROELECTRONICS INC.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 7:
8. An ink cartridge, comprising: an ink cartridge main body; and a printing consumable, comprising:
an ink container, detachably installed on the ink cartridge main body; and
a first memory, disposed on the ink container, wherein the first memory is capable of being accessed by a printer and stores ink amount data related to an ink status in the ink container; and
a control circuit, disposed between the printer and the first memory to interfere with transfer of a write signal from the printer to the first memory, wherein:
the printer is configured to rewrite the ink amount data during an ink consumption process, wherein when ink is used up or nearly used up, the printer is configured to rewrite a part of the ink amount data; and the rewritten part of the ink amount data is configured to be at a non-rewritable protected state.