Incremental printing of symbolic information – Electric marking apparatus or processes – Electrostatic
Patent
1998-09-21
2000-04-18
Royer, William
Incremental printing of symbolic information
Electric marking apparatus or processes
Electrostatic
226 3, 226 15, 25055936, 347234, 347248, 399165, B41J 2385
Patent
active
06052135&
ABSTRACT:
An electrophotographic imaging system including a combination erase and belt position detection system which may be employed for belt registration or image registration. In one embodiment, the system includes an erase bar having a pattern of light extending longitudinally across a photoconductor belt being moved in a first direction forming a transport path, wherein the erase bar is substantially perpendicular to the first direction. A photodetector is disposed adjacent the photoconductor belt, wherein the photodetector is responsive to light from the erase bar and provides a belt position signal representative of the position of the photoconductor belt relative to the continuous transport path, in a direction substantially perpendicular to the first direction. The belt position signal may be employed for belt steering or modulation of a laser beam representative of latent images to be scanned on the photoconductor belt. In one preferred application, the erase bar employs an optical fiber and light extraction mechanism for uniform radial light extraction and controlled radial and longitudinal light extraction along its length.
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Brenner, Jr. Robert E.
Ender David A.
Kracht Harold D.
Poppendieck Mary
Bauer William D.
Imation Corp.
Noe William A.
Royer William
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