Magnetically encodable card having magnetic pigment uniformly dispersed in plastic
US5698839A · kind A · utility
106Cited by
14References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 1995 |
| Grant date | Dec 16, 1997 |
| Priority date | — |
| Expiry date | Apr 7, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/06196
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A magnetically encodable card made of a solid plastic material having uniformly dispersed magnetic particles throughout the plastic material. The card is preferably formed of two major faces with connecting edges. Data can be recorded on one or both of the major faces, and can also be recorded on one or more of the card edges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.