Inventor
KANDA SHIGETO
JP11 patents
Patents
11 patentsUS5199023AMar 30, 1993
Optical information recording medium with a separating part between information tracks
CANON KK22 citations92
US5206847AApr 27, 1993
Information recording disk, and information recording/reproducing method and apparatus utilizing the same
CANON KK29 citations91
US4831613AMay 16, 1989
Method and apparatus for reproducing recorded information by processing plural read-out signals obtained from plural sources acting on an information carrying member
CANON KK25 citations91
US4788671ANov 29, 1988
Information recording and reproducing apparatus for effecting simultaneous recording and reproduction but at different rates
CANON KK25 citations91
US5307338AApr 26, 1994
Apparatus for recording and/or reproducing information
CANON KK13 citations74
US5150345ASep 22, 1992
Optical information recording apparatus provided with means for sampling and holding a servo signal when the intensity of a light beam varies between intensity levels
CANON KK7 citations73
US4982394AJan 1, 1991
Optical information recording/reproducing apparatus
CANON KK10 citations72
US4982393AJan 1, 1991
Information recording and/or reproducing apparatus provided with means for detecting abnormality of tracking servo
CANON KK17 citations72
US4712206ADec 8, 1987
Tracking error signal detecting device with a two-beam system for use in an optical information memory
CANON KK8 citations72
US5067118ANov 19, 1991
Position detecting device for use by switching plural alternating signals having different phases from each other
CANON KK2 citations61
US5483514AJan 9, 1996
Optical information recording and/or reproducing apparatus
CANON KK1 citations51