Focal plane shutter

Details Focal plane shutter Focal plane shutter

1994-06-07

1996-06-11

Gellner, Michael L.

354246, G03B 708

Patent

active

055260918

ABSTRACT:
A focal plane shutter, according to the present invention comprises a front curtain having a plurality of divided blades. One divided blade located at an end of the plurality of divided blades and forming an opening for exposure, has the photographing lens-side surface thereof formed to be a surface of reflectance lower than a predetermined rate, and each of the other divided blades than the one divided blade forming an opening for exposure, has the photographing lens-side surface thereof formed to be a surface of reflectance not lower than the predetermined rate.

REFERENCES:
patent: 3687026 (1972-08-01), Kobayashi et al.
patent: 4392728 (1983-07-01), Yoshida
patent: 4407574 (1983-10-01), Tomino et al.
patent: 5323205 (1994-06-01), Matsubara et al.

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