Signal coupler
US5434401A · kind A · utility
15Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 25, 1994 |
| Grant date | Jul 18, 1995 |
| Priority date | — |
| Expiry date | Apr 25, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S235/90
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A signal coupler for incorporating in a smartcard or a base device comprises an optocoupling arrangement for exchanging power or data signals between the demountable device and the base device, thereby eliminating problems associated with wear of metal contacts and allowing convenient manufacture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.