Apparatus to record epidermal topography
US5195145A · kind A · utility
24Cited by
7References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 26, 1991 |
| Grant date | Mar 16, 1993 |
| Priority date | — |
| Expiry date | Feb 26, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/1172
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Apparatus and methods to accurately scan and record the skin surface topography. More particularly, the present invention has embodiments which can accurately scan fingerprints. Embodiments described each utilize a support surface penetrated by one or more openings. Skin surfaces to be scanned are rested on the supporting surface and are caused to be moved relative to the openings. Means to scan the skin surface topography as observed through the openings are located on the opposite side of the supporting surface from the skin surfaces to be scanned. Method and apparatus are described to facilitate credit transactions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.