Abstract: A rotary shutter for controlling an optical path and including a rotating disk having an opening. A sensor monitor is representative of disk rotation, while a blocking element is selectively positioned within and without the optical path dependent upon the angular position of the disk and the desire to expose the light sensitive medium.
Type:
Grant
Filed:
March 16, 1995
Date of Patent:
July 23, 1996
Assignee:
Lucht, Inc.
Inventors:
Paul Erickson, David Shelander, Paul Richardson, John Evers