Inventor
KRAMER CHARLES J
US33 patents
⚠️ This page may combine multiple inventors who share the name “KRAMER CHARLES J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOLOTEK LTD
15 patentsUS5367399ANov 22, 1994
Rotationally symmetric dual reflection optical beam scanner and system using same
HOLOTEK LTD165 citations99
US5097351AMar 17, 1992
Simultaneous multibeam scanning system
HOLOTEK LTD70 citations96
US4973112ANov 27, 1990
Hologon deflection system having dispersive optical elements for scan line bow correction, wavelength shift correction and scanning spot ellipticity correction
HOLOTEK LTD61 citations96
US5223956AJun 29, 1993
Optical beam scanners for imaging applications
HOLOTEK LTD41 citations92
US5183350AFeb 2, 1993
Adjustable fixed mount for a hologon deflector
HOLOTEK LTD47 citations92
US5179463AJan 12, 1993
Simultaneous multibeam scanning system
HOLOTEK LTD31 citations92
US4852956AAug 1, 1989
Hologan scanner system
HOLOTEK LTD52 citations92
US4826268AMay 2, 1989
Hologon scanner system
HOLOTEK LTD26 citations92
US4610500ASep 9, 1986
Hologon laser scanner apparatus
HOLOTEK LTD51 citations92
US5481384AJan 2, 1996
Deflector system which produces dual, oppositely directed scanning beams simultaneously or successively
HOLOTEK LTD26 citations89
US4786126ANov 22, 1988
Hologon scanner system
HOLOTEK LTD24 citations82
US5986778ANov 16, 1999
Hologon deflector system having dispersive optical elements for scan line bow correction, wavelength shift correction and scanning spot ellipticity correction
HOLOTEK LTD7 citations74
US4583816AApr 22, 1986
Preobjective hologon scanner system
HOLOTEK LTD18 citations74
US5046794ASep 10, 1991
Hologon scanner system
HOLOTEK LTD14 citations72
US4779944AOct 25, 1988
Integrated laser beam scanning system
HOLOTEK LTD17 citations67
XEROX CORP
13 patentsUS4289371ASep 15, 1981
Optical scanner using plane linear diffraction gratings on a rotating spinner
XEROX CORP162 citations99
US4371897AFeb 1, 1983
Fluorescent activated, spatially quantitative light detector
XEROX CORP134 citations96
US4321630AMar 23, 1982
Linear integrating cavity light collector
XEROX CORP34 citations92
US4243293AJan 6, 1981
Holographic scanner insensitive to mechanical wobble
XEROX CORP48 citations92
US4314283AFeb 2, 1982
Diffraction based light collector
XEROX CORP24 citations82
US4304459ADec 8, 1981
Reflective holographic scanning system insensitive to spinner wobble effects
XEROX CORP26 citations82
US4239326ADec 16, 1980
Holographic scanner for reconstructing a scanning light spot insensitive to a mechanical wobble
XEROX CORP25 citations82
US4559562ADec 17, 1985
Microdeflector facet tracker for scanning system
XEROX CORP9 citations74
US4345835AAug 24, 1982
Multiple function reproduction apparatus
XEROX CORP15 citations74
US4103991AAug 1, 1978
Optical system for scanning during reciprocal motion providing 180°r
XEROX CORP20 citations74
US4067639AJan 10, 1978
Holographic scanning spinner
XEROX CORP10 citations74
US4639073AJan 27, 1987
Electro-optic pulse imaging raster output scanner
XEROX CORP20 citations73
US4353615AOct 12, 1982
Dynamic mounting for holographic spinners
XEROX CORP12 citations68
HOLOTEK LLC
3 patentsUS6765724B1Jul 20, 2004
Diffraction grating-based wavelength selection unit having improved polarization dependent performance
HOLOTEK LLC119 citations97
US6560020B1May 6, 2003
Surface-relief diffraction grating
HOLOTEK LLC19 citations92
US6583934B2Jun 24, 2003
Diffraction grating-based wavelength selection unit
HOLOTEK LLC15 citations83