Inventor
DICKSON LEROY D
US18 patents
Patents
18 patentsUS5272550ADec 21, 1993
Hologram system
IBM74 citations96
US4790612ADec 13, 1988
Method and apparatus for copying holographic disks
IBM66 citations96
US4748316AMay 31, 1988
Optical scanner for reading bar codes detected within a large depth of field
IBM107 citations96
US4416505ANov 22, 1983
Method for making holographic optical elements with high diffraction efficiencies
IBM89 citations96
US4415224ANov 15, 1983
Holographic scanner disc with different facet areas
IBM76 citations96
US5247167ASep 21, 1993
Multiple beam power monitoring system and method with radiation detection and focusing means of overlapping beams
IBM62 citations95
US4758058AJul 19, 1988
Holographic disk scanner having special position-indicating holograms
IBM73 citations95
US4591242AMay 27, 1986
Optical scanner having multiple, simultaneous scan lines with different focal lengths
IBM76 citations95
US4548463AOct 22, 1985
Holographic scanner control based on monitored diffraction efficiency
IBM73 citations95
US5602657AFeb 11, 1997
Hologram system having hologram layers with rotationally offset Bragg planes
IBM20 citations92
US5331445AJul 19, 1994
Increased Bragg angle sensitivity hologram system and method
IBM34 citations92
US5212572AMay 18, 1993
Optical data storage system with compact holographic polarization-sensing or reflectivity-sensing optical storage head
IBM43 citations92
US4431912AFeb 14, 1984
Method for controlling the operation of an optical scanner
IBM105 citations92
US5191204AMar 2, 1993
Multi-beam optical system and method with power detection of overlapping beams
IBM37 citations91
US4713785ADec 15, 1987
Method of inhibiting processing of duplicative coded label signals
IBM34 citations85
US5216562AJun 1, 1993
Multi-beam optical recording system and method
IBM10 citations74
US5272690ADec 21, 1993
Hologram element system
IBM9 citations72
US5526144AJun 11, 1996
Optical system with pivoting hologram
IBM5 citations63