Integral card for protectively enclosing an optical disk and a visual information bearing area
US4996681A · kind A · utility
12Cited by
18References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 1989 |
| Grant date | Feb 26, 1991 |
| Priority date | — |
| Expiry date | Apr 24, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/10
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An integral data storage disk card includes a planar rectangular base member on a portion of which a data storage disk is disposed for rotation relative to the base member and within an overlaying cover fixed to the base member to protect the data storage disk. A visually discernible information bearing layer in either machine or human readable form is disposed on the other portion of the base member adjacent the data storage disk.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.