Inventor
SHOGREN DAVID K
US19 patents
Patents
19 patentsUS5708924AJan 13, 1998
Customer replaceable photoreceptor belt module
XEROX CORP57 citations93
US4673285AJun 16, 1987
Optical scanning of duplex documents
XEROX CORP28 citations92
US4095880AJun 20, 1978
Extended range variable magnification reproduction machine
XEROX CORP19 citations80
US5839036ANov 17, 1998
Multispeed drive mechanism
XEROX CORP7 citations73
US5760818AJun 2, 1998
Mounting arrangement for a raster output scanner
XEROX CORP7 citations73
US4542983ASep 24, 1985
Multi-magnification reproduction device utilizing linear lens assembly
XEROX CORP10 citations73
US4093374AJun 6, 1978
Multiple range variable magnification reproduction machine
XEROX CORP13 citations71
US5481142AJan 2, 1996
Tuned vibration absorbers for AC motors
XEROX CORP15 citations69
US4054359AOct 18, 1977
Apparatus for synchronously scanning a flat platen with a rotating mirror using pulleys
XEROX CORP3 citations63
US4937612AJun 26, 1990
Optical scanning system for duplex copying
XEROX CORP4 citations62
US4407581AOct 4, 1983
Compact optical scanning system
XEROX CORP5 citations62
US4373803AFeb 15, 1983
Precession scanning system for copier device
XEROX CORP2 citations62
US4368976AJan 18, 1983
Variable speed scanning system
XEROX CORP6 citations62
US4336995AJun 29, 1982
Precession scanning system for copier device
XEROX CORP3 citations62
US4067640AJan 10, 1978
Apparatus for synchronously scanning a flat platen with a rotating mirror
XEROX CORP3 citations62
US4794422ADec 27, 1988
Electrophotographic reproduction machine with document exposure system directly coupled to ac line input
XEROX CORP5 citations61
US7292807B2Nov 6, 2007
Assembly and method for reducing shaft deflection
XEROX CORP1 citations52
US4367034AJan 4, 1983
Scanning system for copier
XEROX CORP1 citations51
US7024143B2Apr 4, 2006
Xerographic printer split drive system to reduce image smear
XEROX CORP0 citations44