Image forming apparatus, method for controlling writing data from the same to storage device, method for controlling reading data from storage device to the same, and replacement part therefor
US7546469B2 · kind B2 · utility
20Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 2004 |
| Grant date | Jun 9, 2009 |
| Priority date | — |
| Expiry date | Sep 15, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/06009
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An image forming apparatus has a replacement part equipped with a storage device installed therein. The apparatus has a code adding part adding an error detecting code to target data to be written in the storage device, and an encrypting part encrypting the data having the error detecting code added thereto in the code adding part, to generate encrypted data. In addition, the apparatus has a writing part writing the encrypted data to the storage device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.