Adapter device for interchangeable lens of camera which converts camera data format to lens data format
US6407774B1 · kind B1 · utility
19Cited by
7References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1995 |
| Grant date | Jun 18, 2002 |
| Priority date | — |
| Expiry date | Apr 4, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/663
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An adapter device for an interchangeable lens of a camera having a signal conversion circuit for converting an automatic exposure control signal generated from the output from a video signal processing circuit of a video camera which is capable of performing an automatic exposure control into an automatic exposure control signal which is adapted to an interchangeable lens system for a still camera capable of performing an automatic exposure control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.