Inventor
OSHIBA MITSUO
JP18 patents
Patents
18 patentsUS5394385AFeb 28, 1995
Optical information recording/reproducing apparatus for performing positioning of recording/reproducing spot by selection of pairs of photo detecting elements
OLYMPUS OPTICAL CO22 citations92
US5583836ADec 10, 1996
Optical recording/reproducing apparatus capable of multi-track access for simultaneous multitrack recording/reproduction
OLYMPUS OPTICAL CO13 citations73
US5568458AOct 22, 1996
Optical information recording and reproducing apparatus in which reproducing light is used to perform servo control having no offset at recording mode
OLYMPUS OPTICAL CO17 citations73
US5511051AApr 23, 1996
Optical recording/reproducing apparatus capable of multi-track access for simultaneous multirack recording/reproduction
OLYMPUS OPTICAL CO18 citations73
US5475665ADec 12, 1995
Optical information writing and reading apparatus having two light sources
OLYMPUS OPTICAL CO11 citations73
US5448048ASep 5, 1995
Optical card recording/reproducing apparatus with presetting of card sector position data for detecting sector positions
OLYMPUS OPTICAL CO11 citations73
US5438563AAug 1, 1995
Optical information recording/reproducing device which simultaneously reproduces information from plural tracks and optical information recording/reproducing method
OLYMPUS OPTICAL CO16 citations73
US5402399AMar 28, 1995
Apparatus and method for reproducing information data from optical cards
OLYMPUS OPTICAL CO14 citations73
US5396109AMar 7, 1995
Bit clock regenerating circuit and data regenerating method
OLYMPUS OPTICAL CO11 citations73
US5285433AFeb 8, 1994
Apparatus with position detecting means for recording and/or reproducing data on and/or from optical card
OLYMPUS OPTICAL CO11 citations73
US5229985AJul 20, 1993
Data recording/reproducing apparatus capable of detecting data recording state
OLYMPUS OPTICAL CO9 citations73
US5226026AJul 6, 1993
Optical card reproducing apparatus provided with a function of generating pseudo synchronizing pattern detecting signals
OLYMPUS OPTICAL CO15 citations73
US5132522AJul 21, 1992
Information-reading method
OLYMPUS OPTICAL CO9 citations73
US5293568AMar 8, 1994
Track-address judging method
OLYMPUS OPTICAL CO16 citations71
US5400308AMar 21, 1995
Optical information recording/reproducing device capable of recording information on a moving medium and reproducing information by using reproducing light beams
OLYMPUS OPTICAL CO6 citations62
US5398225AMar 14, 1995
Optical information recording/regenerating apparatus and track scanning method for an optical information recording/regenerating apparatus
OLYMPUS OPTICAL CO5 citations62
US5222058AJun 22, 1993
Data recording apparatus capable of recording with predetermined data arrangement
OLYMPUS OPTICAL CO2 citations62
US5416309AMay 16, 1995
Information regenerating apparatus for an optical recording medium
OLYMPUS OPTICAL CO1 citations51