Single lens reflex camera with electro-optical reflex apparatus

Details Single lens reflex camera with electro-optical reflex apparatus Single lens reflex camera with electro-optical reflex apparatus

2011-08-30

2011-08-30

Blackman, Rochelle-Ann J (Department: 2862)

Photography

Having means to reflect image to film

Having reflex mirror

C396S358000, C348S374000

Reexamination Certificate

active

08007187

ABSTRACT:
A lens-interchangeable single-lens reflex camera system according to the present invention employs a novel reflex apparatus comprising stationary “smart glass” elements. The “smart glass” elements switch between transparent and non-transparent states in response to applied electrical voltage, allowing for silent, solid-state control of the optical light path from an external scene image. The optical transmittances of the “smart glass” elements are electronically regulated to provide the operator with a representation of the scene image through the optical viewfinder during the inactive observation period, and to alternately allow the external light to reach the image-sensing device during a photographic exposure.

REFERENCES:
patent: 2008/0204587 (2008-08-01), Takahara et al.

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