Camera

Details Camera Camera

G - Physics

11

B

234/19

G11B 7/013 (2006.01) G11B 7/0045 (2006.01)

Patent

CA 1258447

ABSTRACT The camera (30) consists of an optical system for creating a data record on a photosensitive medium and in- cludes a laser (36) for generating a light beam and mir- rors (62, 72, 74 and 82) for transmitting the light beam to a final light beam path (56e) which is rotated about an axis (63) parallel spaced from the final light beam path (56e). Further the camera (30) includes an assembly (38) for shaping and focusing the light beam to have a bar shape cross section which is directed to the rotating final light beam path and imaged onto a photosensitive me- dium (86). A modulator (58, 60) modulates the light beam from the laser (36) intermittently to image or record light beam bar shape cross sections defining data in an arcuate path (14) on the photosensitive medium (86), a computer (32) controls the modulator (58, 60) and a car- riage (88) is provided for moving the photosensitive medi- um (86) toward and away from the axis (63) about which the final light beam (56e) rotates.

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