Information recording carrier
US4912311A · kind A · utility
5Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1989 |
| Grant date | Mar 27, 1990 |
| Priority date | — |
| Expiry date | Jul 25, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/0033
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An information recording medium comprising a plurality of information tracks on which information is recorded, and separating regions for separating each of said information tracks from the other information tracks, each of said separating regions including a record section consisting of code of a shape or magnitude different from code in said information tracks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.