Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate
2006-12-26
2006-12-26
Frech, Karl D. (Department: 2876)
Registers
Coded record sensors
Particular sensor structure
26, 26
Reexamination Certificate
active
07152798
ABSTRACT:
A laser scanning unit is provided. It comprises a housing; a scanning device; a pre-scan assembly generating a light beam and directing the light beam toward the scanning device; and a post-scan optical assembly receiving a scanning beam reflected from the scanning device and causing the beam to traverse a photoconductive member along a scan path. The post-scan optical assembly comprises a sensor for detecting the beam at a start-of-scan location and an end-of-scan location along the scan path.
REFERENCES:
patent: 5877798 (1999-03-01), Clarke et al.
patent: 6657650 (2003-12-01), Omelchenko et al.
Cannon Roger S.
Hargrave Kevin M.
Heink Philip J.
Jones Christopher D.
Peters Danny W.
Frech Karl D.
Lexmark International Inc.
Stevens & Showalter LLP
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