Inventor
BOUWHUIS GIJSBERTUS
30 patents
Patents
30 patentsUS5153873AOct 6, 1992
Optical record carrier and method and apparatus for increasing the resolution of information recorded thereon and read therefrom
PHILIPS CORP71 citations96
US4571616AFeb 18, 1986
Device for displaying three-dimensional images
PHILIPS CORP69 citations96
US3999009ADec 21, 1976
Apparatus for playing a transparent optically encoded multilayer information carrying disc
PHILIPS CORP63 citations96
US4251160AFeb 17, 1981
Method and arrangement for aligning a mask pattern relative to a semiconductor substrate
PHILIPS CORP136 citations95
US4963016AOct 16, 1990
Compact rear-projection system with obliquely incident light beam
PHILIPS CORP29 citations92
US4223347ASep 16, 1980
Videodisc with undulating nested tracks
PHILIPS CORP36 citations92
US4123652AOct 31, 1978
Apparatus for reading a radiation-reflecting record carrier
PHILIPS CORP37 citations92
US4006293AFeb 1, 1977
Apparatus for reading a flat record carrier with an optically readable information structure
PHILIPS CORP38 citations89
US4772119ASep 20, 1988
Device for detecting a magnification error in an optical imaging system
PHILIPS CORP31 citations84
US3963862AJun 15, 1976
Record carrier for a television signal
PHILIPS CORP21 citations82
US3956582AMay 11, 1976
Apparatus for reading a record carrier on which information is recorded in at least one track
PHILIPS CORP21 citations82
US3992574ANov 16, 1976
Opto-electronic system for determining a deviation between the actual position of a radiation-reflecting plane in an optical imaging system and the desired position of said plane
PHILIPS CORP32 citations81
US4118734AOct 3, 1978
Optical videodisc with variable width tracks
PHILIPS CORP23 citations79
US4084185AApr 11, 1978
Record carrier on which information is stored in an optically readable structure
PHILIPS CORP25 citations79
US5309239AMay 3, 1994
Image pick-up device
PHILIPS CORP10 citations74
US5253038AOct 12, 1993
Interferometric device for detecting a centering error
PHILIPS CORP9 citations74
US4446548AMay 1, 1984
Apparatus for the point-by-point scanning of an object
PHILIPS CORP14 citations74
US4242579ADec 30, 1980
Apparatus for the pointwise scanning of an information surface
PHILIPS CORP7 citations74
US4010317AMar 1, 1977
Apparatus for reading a record carrier in which information, for example video and/or audio information, is recorded in at least one track
PHILIPS CORP11 citations74
US4034403AJul 5, 1977
Apparatus for positional control of a reading head in a device for reproducing optically coded video disk recordings
PHILIPS CORP10 citations73
US4132959AJan 2, 1979
Gas discharge laser having an asymmetrical coupling-out mirror
PHILIPS CORP18 citations72
US4410241AOct 18, 1983
Device for processing optical information and method of manufacturing a coma correction plate used in such a device
PHILIPS CORP8 citations71
US3999008ADec 21, 1976
Record carrier on which information is stored in an optically readable structure with dither focussing signals also being stored
PHILIPS CORP16 citations71
US3969573AJul 13, 1976
Apparatus for reading a record carrier on which information is stored in an optically readable structure
PHILIPS CORP19 citations71
US4379230AApr 5, 1983
Automatic beam correction in a scanning transmission electron microscope
PHILIPS CORP12 citations70
US3978278AAug 31, 1976
Videodisc reader with concave mirror elements
PHILIPS CORP7 citations70
US4201954AMay 6, 1980
Gas discharge laser for generating linearly polarized radiation
PHILIPS CORP13 citations66
US4038679AJul 26, 1977
Apparatus for reading an optically recorded record carrier provided with periodic surface undulations and for deriving a focussing control signal from such surface undulations
PHILIPS CORP7 citations66
US3950621AApr 13, 1976
Apparatus for optically reading a reflecting record carrier
PHILIPS CORP4 citations63
US4233502ANov 11, 1980
Opto-electronic focussing error detection arrangement
PHILIPS CORP1 citations42