Photocopying – Projection printing and copying cameras – Image transferred to or from curved surface
Patent
1996-04-24
1997-08-26
Moses, R. L.
Photocopying
Projection printing and copying cameras
Image transferred to or from curved surface
355 48, 355 50, 355 72, 355 77, G03B 2748, G03B 2750
Patent
active
056615450
ABSTRACT:
A rotating drum recorder includes a rotatable mounted drum having a cylindrical outer surface and an internal cavity adapted to receive a strip of light-sensitive recording material. An exposure gate defines (1) an aperture extending through the cylindrical outer surface of the drum and (2) a radially inwardly-facing media-locating surface. A drive mechanism is adapted to transport a received strip of light-sensitive recording material through the exposure gate internal to the cylindrical outer surface of the drum, whereby centrifical force on the strip of light-sensitive recording material acts to press the strip of light-sensitive recording material against the media-locating surface of the exposure gate as the drum rotates. The exposure source includes a source of a collimated light beam and an electro-optic modulator between the source and the drum surface for varying the intensity of the collimated light beam. The modulator may include a lanthanum-doped lead zirconate titanate material, an LED light source, or a laser source. The internal cavity is adapted to receive a light-tight media container of light-sensitive recording media. The drive mechanism is located within the drum, and includes an electric storage battery within the drum. The drive mechanism is adapted to pull the recording media through the exposure gate away from the media-locating surface during transport.
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Eastman Kodak Company
Moses R. L.
Sales Milton S.
Virmani Shival
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