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

Claim 0:
1. A printing consumable, comprising:
an ink container, detachably installed on an ink cartridge main body;
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 substantially 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.