Supply component of the credit card type
US5449994A · kind A · utility
33Cited by
2References
4Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 8, 1992 |
| Grant date | Sep 12, 1995 |
| Priority date | — |
| Expiry date | Oct 8, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S136/291
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a portable autonomous electronic component of the credit card format comprising an accumulator (1) constituted of an association of sheets or planar layers, the surface of which is approximately equal to that of the credit card, at least a charging circuit (2,4), and state indicators (6) controlled by a micro-controller (5).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.