Input apparatus for dynamic signature verification systems
US4078226A · kind A · utility
26Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 1977 |
| Grant date | Mar 7, 1978 |
| Priority date | — |
| Expiry date | Mar 16, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/376
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The disclosure relates to signature verification input apparatus comprising a writing instrument and platen containing piezoelectric transducers which generate signals in response to writing pressures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.