Information storage carrier and method for storing duplicate information
US4797752A · kind A · utility
172Cited by
5References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 13, 1984 |
| Grant date | Jan 10, 1989 |
| Priority date | — |
| Expiry date | Feb 13, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2220/2587
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An information storage member has a surface upon which information is stored in at least first and second series of lineal regions arranged on the surface of the member and defining a program of information having a first subprogram part and a second subprogram part each containing information representative of a block of program information and being accompanied by an associated identifying number unique from every other identifying number present on the recording surface of the information storage member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.