Switching apparatus for TV lens unit switching

Details Switching apparatus for TV lens unit switching Switching apparatus for TV lens unit switching

1995-12-11

1998-05-12

Garber, Wendy

Television

Camera, system and detail

Optics

348358, 396 73, H04N 5225

Patent

active

057513538

ABSTRACT:
A small and light TV camera extender switching apparatus which is capable of switching two extenders having different magnifications. A first extender and a second extender are supported by the same support shaft so as to be rotatable independently of each other. The first extender and the second extender are rotated by operating the first operating lever and the second operating lever, respectively, via gear trains, so that either extender is moved from the resting position outside of an imaging optical path to a working position in the imaging optical path. A stopper mechanism which is capable of adjusting a retaining position is disposed on the lens frame or in the case so as to adjust the retaining positions of each extender at the resting position and the working position.

REFERENCES:
patent: 4757335 (1988-07-01), Muryoi et al.
patent: 4887107 (1989-12-01), Nakamura et al.
patent: 5444485 (1995-08-01), Uchioke et al.

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