Banking card for automatic teller machines and the like
US4360728A · kind A · utility
60Cited by
12References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 27, 1981 |
| Grant date | Nov 23, 1982 |
| Priority date | — |
| Expiry date | Feb 27, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24917
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A data card having a pair of spaced apart information records. One record is a strip of high resolution reflective laser recording material, such as a metallic film. The other strip is a magnetic recording material. The strip of laser recording material has a capacity for recording at least 250,000 bits represented by pits having a dimension less than 50 microns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.