Dual function magnetic data read circuit for photographic equipment
US5519462A · kind A · utility
9Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1994 |
| Grant date | May 21, 1996 |
| Priority date | — |
| Expiry date | Jul 21, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2217/244
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A dual function read data circuit for a mid-roll interrupt capable photographic camera reads magnetically recorded data from a magnetic layer on photographic film and outputs either a data present signal or an actual converted data signal in response to a mode select command signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.