Information processing method and information processing device
US5182724A · kind A · utility
16Cited by
3References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 1990 |
| Grant date | Jan 26, 1993 |
| Priority date | — |
| Expiry date | Sep 7, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B21/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Recording, reproduction or erasing of information is performed on a recording medium having a recording layer provided on an electrode substrate. The electrode substrate has a regular periodic structure within a plane and the structure is detected through the recording layer by use of a probe electrode to determine a desired position on the recording medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.