Electronic viewer automatically adjusting magnification of a fil

Details Electronic viewer automatically adjusting magnification of a fil Electronic viewer automatically adjusting magnification of a fil

1995-10-19

1997-09-02

Garber, Wendy

Television

Camera, system and detail

Support or housing

348 96, 348358, 353 76, 353119, 355 55, 355 72, 396 20, 396428, 396535, 386128, H04N 5225, H04N 5253

Patent

active

056637624

ABSTRACT:
A cam cylinder is extended from a base member of a holder and is inserted into a guide cylinder secured to a main body. A lens mount including an optical system and a CCD is inserted into the cam cylinder. A guide pin is screwed on the lens mount through a guide groove of the guide cylinder and a cam groove of the cam cylinder. When the holder is rotated around the optical axis, the lens mount can move along the optical axis, so that a distance between the CCD and a film held by the holder is changed. As a result, by only rotating the holder, the magnification for displaying the image can be changed.

REFERENCES:
patent: 2243084 (1941-05-01), Browne
patent: 4482924 (1984-11-01), Brownstein
patent: 4803505 (1989-02-01), Saijo et al.
patent: 4819073 (1989-04-01), Bridges
patent: 5010362 (1991-04-01), Otsuki et al.
patent: 5218439 (1993-06-01), Mizoguchi et al.
patent: 5276534 (1994-01-01), Mutze et al.

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