Variable speed, variable resolution digital cinema camera...

Television – Camera – system and detail – Optics

Reexamination Certificate

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Details

C348S146000, C348S167000, C348S168000

Reexamination Certificate

active

07663687

ABSTRACT:
A digital cinema camera includes a plurality of imagers and a plurality of shutters mounted radially on a frame. A beam splitter disposed at a center of the frame rotates to provide an input optical beam sequentially to the plurality of imagers. When the input optical beam is aligned with a particular one of the imagers, a corresponding one of the shutters is triggered to apply the optical beam on the particular one of the imagers. The electrical signals generated by the imagers are first stored in RAM, and then transferred to a hard disk drive disposed in a removable magazine. This way, the magazine can be replaced with a new magazine, and the latent image data can be downloaded out of the removed magazine for post-processing while new image data is being stored in the new magazine.

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Bretthauer et al., “An Electronic Crantz-Schardin Camera,” Review of Scientific Instruments, Feb. 1991, pp. 364-368, New York, Apr. 20, 2006.
Powell; United States Statutory Invention Registration, Registration No. H1740; published on Jul. 7, 1998, Apr. 20, 2006.

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