Inventor
MIYABE KYOKO
JP11 patents
Patents
11 patentsUS5859819AJan 12, 1999
Tracking and focus control system for optical disk apparatus
FUJITSU LTD41 citations92
US5619482AApr 8, 1997
Optical head unit for an optical disk using a diffraction grating
FUJITSU LTD20 citations92
US5610895AMar 11, 1997
Optical head having light blocking means positioned in front of a detector for super-resolution detection
FUJITSU LTD27 citations92
US5402411AMar 28, 1995
Constant amplitude of tracking error signals generated from a head guide track and a performed track
FUJITSU LTD32 citations92
US6185166B1Feb 6, 2001
Optical information recording/reproducing apparatus
FUJITSU LTD6 citations73
US5796712AAug 18, 1998
Optical disk having identification signal recorded between and used in common for two mutually adjacent tracks and optical disk unit therefor
FUJITSU LTD12 citations73
US5793725AAug 11, 1998
Optical information recording/reproducing apparatus having a composite prism with a plurality of emission surfaces
FUJITSU LTD6 citations73
US5742572AApr 21, 1998
Optical information recording/reproducing apparatus which detects focal error
FUJITSU LTD13 citations73
US5623462AApr 22, 1997
Optical information recording/reproducing apparatus
FUJITSU LTD15 citations73
US6339564B2Jan 15, 2002
Optical information recording/reproducing apparatus
FUJITSU LTD5 citations62
US5600618AFeb 4, 1997
Optical data recording/reproducing device and integrated head
FUJITSU LTD0 citations51