Method for recording chip usage state information, chip of imaging cartridge and imaging cartridge
US10585633B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 14, 2018 |
| Grant date | Mar 10, 2020 |
| Priority date | — |
| Expiry date | Nov 14, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/3476
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention provides a chip of an imaging cartridge, said imaging cartridge can install on an imaging device and the imaging cartridge chip couples with the imaging device by establishing a communication path between the imaging cartridge chip and the imaging device, the communication path comprises an address/data line and a clock signal line the imaging device conducts reading and writing operations to the imaging cartridge chip through the communication path by transmitting instructions or data via the address/data line and transmitting clock signal via the clock signal line as required by the imaging device, and the imaging cartridge chip comprises: a substrate, and an information storage section and a control section which are provided on the substrate, wherein: the information storage section comprises a prioritized writing area and a normal read-write area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.