Phase controlled camera system having detachable lens
US5036399A · kind A · utility
13Cited by
4References
42Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 28, 1989 |
| Grant date | Jul 30, 1991 |
| Priority date | — |
| Expiry date | Aug 28, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/663
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A camera system comprising a lens unit and a camera unit detachably attached to each other, the camera system having a control circuit for controlling the operation of the lens unit and the operation of the camera unit so as to synchronize a phase of the operation of the lens unit with a phase of operation of the camera unit, and a communication circuit for effecting communication between the camera unit and the lens unit by using a reference signal for obtaining the synchronization between the phase of operation of the lens unit and the phase of operation of the camera unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.