Inventor
SHIKICHI SATOSHI
JP18 patents
Patents
18 patentsUS5010534AApr 23, 1991
Optical information recording-reproducing apparatus
CANON KK25 citations92
US4787075ANov 22, 1988
Optical information recording medium and apparatus for recording/reproducing information using the same
CANON KK32 citations92
US5151888ASep 29, 1992
Optical information processing apparatus in which the output of an optical sensor is replaced by a reference signal during the occurrence of malfunction
CANON KK21 citations82
US5247505ASep 21, 1993
Information recording method for reciprocally recording and verifying information
CANON KK9 citations74
US5018123AMay 21, 1991
Optical information recording medium and method for recording information on said medium and reproducing information therefrom
CANON KK9 citations74
US4922351AMay 1, 1990
Optical information recording and reproducing apparatus
CANON KK11 citations74
US4912697AMar 27, 1990
Apparatus and method for preventing recording errors due to a reduction in the relative speed between an information carrying light beam and a recording medium
CANON KK9 citations74
US4800546AJan 24, 1989
Optical information record/regenerating apparatus with device for prohibiting movement of optical head
CANON KK12 citations74
US5436438AJul 25, 1995
Optical information recording and/or reproducing method and apparatus using card-like optical information recording medium
CANON KK12 citations73
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
US5146442ASep 8, 1992
Method and apparatus for effecting at least one of tracking and servo control when an error signal passes a zero-cross point and reaches a predetermined non-zero value
CANON KK18 citations73
US4888756ADec 19, 1989
Optical information recording and reproducing apparatus
CANON KK12 citations73
US5475660ADec 12, 1995
Optical information recording-reproducing method and apparatus including focusing and/or tracking control depending on a determined state of an optical spot
CANON KK4 citations62
US5200937AApr 6, 1993
Apparatus for and method of recording and/or reproducing information by means of two actuators
CANON KK5 citations62
US5199016AMar 30, 1993
Method and apparatus for processing data
CANON KK2 citations62
US5163034ANov 10, 1992
Tracking device to effect tracking pull-in in an optical recording and reproducing apparatus by vibrating a light spot
CANON KK6 citations62
US5029151AJul 2, 1991
Optical information processing apparatus including a limiter for limiting error of focusing and/or tracking actuators and a circuit for adjusting the limit range thereof
CANON KK6 citations62
US4785440ANov 15, 1988
Method and apparatus for driving an optical pickup of an optical information recording and reproducing apparatus
CANON KK0 citations42