System and method of overwriting image data with random patterns
US8139264B2 · kind B2 · utility
3Cited by
7References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2006 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Jun 5, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/4493
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for overwriting image data in an image forming apparatus. The image forming apparatus includes an image control unit having a central processing unit and an image control unit for receiving image data. The image control unit stores image data on a non-volatile storage apparatus. A memory includes an overwrite application program for generating a string of random numbers and overwriting the image data with patterns from the string of random numbers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.