Single lens reflex camera having film and still video functions
US5150215A · kind A · utility
Inventor
Key dates
| Filing date | Mar 14, 1991 |
| Grant date | Sep 22, 1992 |
| Priority date | — |
| Expiry date | Mar 14, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/667
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A dual film and still video camera is provided for taking pictures in film and still video images either simultaneously or respectively. The camera comprises a casing, an objective lens, a film loading back, a view finder unit, at least one reflex mirror turntable upward and downward, a still video image capturing unit provided at the focusing screen of the view finder or at a mirror plane of the focusing screen in the lower portion of the casing, means for controlling camera operated in three modes of a video mode, a film mode and a dual mode; and a programmed releasing button for starting the image capturing unit and releasing an film exposure shutter in accordance with one of the three mode selected. The view finder unit can be an electronic view finder system. The reflex mirror can turn from a normally inclined facing up position to a declined facing down position and then turn further up to a horizontal facing down position and return the normal position afterwards. Moreover, an additional mirror can be used to take the declined facing down position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.