Optics: motion pictures – Removable film strip magazine type
Patent
1974-08-21
1976-02-24
Wintercorn, Richard A.
Optics: motion pictures
Removable film strip magazine type
352140, G03B 300, G03B 1302
Patent
active
039407772
ABSTRACT:
A stationary casing of a mechanical mounting for interchangeable lenses which are to be used with a motion picture or still camera is provided with first connecting terminals for electric connection arranged in a space within a coupling adapted to mate with a coupling of the camera housing. Second connecting terminals are also provided for electric connection arranged in a space within a coupling adapted to mate with a coupling of an interchangeable attachment unit. The first and second connecting terminals being electrically connected to each other through respective insulated wires provided in the stationary casing. Such a casing structure permits selection of interchangeable attachment units such as those incorporating a zoom-drive mechanism, an automatic focus-adjusting mechanism and an automatic diaphragm drive mechanism for use with the mechanical mounting. The attachment unit mounted on the casing in connection with the second connecting terminals is caused to operate in response to output signals from the electric power source and control apparatus incorporated in the camera housing.
REFERENCES:
patent: 3656422 (1972-04-01), Hess et al.
Canon Kabushiki Kaisha
Wintercorn Richard A.
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