Interchangeable lens camera system having improved control information communication facility
US5161026A · kind A · utility
40Cited by
6References
59Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 1991 |
| Grant date | Nov 3, 1992 |
| Priority date | — |
| Expiry date | Jun 6, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/14
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A camera system, which controls the function of a lens assembly on the basis of control information serially transmitted from a camera assembly, is provided with a communication circuit which effects communication of the control information and which is capable of changing the number of communication words associated with the communication, and a circuit for transmitting, if the number of communication words is changed, the changed number of communication words from the camera assembly to the lens assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.