Electronic device
US8223381B2 · kind B2 · utility
0Cited by
7References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 19, 2007 |
| Grant date | Jul 17, 2012 |
| Priority date | — |
| Expiry date | May 16, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2143
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An electronic device includes a storage unit that stores therein input data, and a deleting unit that partially deletes the input data when the input data becomes unnecessary. The deleting unit deletes portions of the input data, each having a predetermined size, with predetermined or random spacing between the portions in row and column directions, or deletes only an effective portion of the input data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.