Apparatus for partially intercepting light in finder of camera

Details Apparatus for partially intercepting light in finder of camera Apparatus for partially intercepting light in finder of camera

1995-05-17

1996-03-19

Gray, David M.

G03B 1310

Patent

active

055007040

ABSTRACT:
A light interceptor for a viewfinder having a finder block in a camera includes mask elements formed of a flexible thin plate to vary the size of the field frame of the viewfinder. A selection switch is actuated to vary the size of the field frame and a power transmission mechanism is provided to move the mask elements along the finder block in association with a position of the selection switch. A guide member is provided to guide movement of a front or rear end of the mask elements in a direction perpendicular to the optical axis of the viewfinder along the surfaces of the finder block.

REFERENCES:
patent: 3875579 (1975-04-01), Mochizuki
patent: 4987436 (1991-01-01), Misawa
patent: 5010357 (1991-04-01), Misawa
patent: 5335031 (1994-08-01), Ogawa
patent: 5345285 (1994-09-01), Hasushita et al.
patent: 5367351 (1994-11-01), Suzuka
patent: 5386259 (1995-01-01), Ichikawa et al.
patent: 5412443 (1995-05-01), Suzuka

Affiliated with

Also associated with

Rating

Apparatus for partially intercepting light in finder of camera does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for partially intercepting light in finder of camera, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for partially intercepting light in finder of camera will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1961662