Inventor
FINKELSTEIN BLAIR I
US14 patents
Patents
14 patentsUS5185733AFeb 9, 1993
Calibrating lasers for optical recording using a maximal readback signal amplitude as a criterion
IBM135 citations97
US5621717AApr 15, 1997
Reading optical disks having substrates with diverse axial thicknesses
IBM57 citations96
US5136569AAug 4, 1992
Optical disk recorder for diverse media types and having a predetermined initialization or start-up procedure
IBM70 citations96
US5450383ASep 12, 1995
Monitoring and adjusting laser write power in an optical disk recorder using pulse-width modulated power level checking signals
IBM38 citations92
US5586099ADec 17, 1996
Optimized laser read power based upon scan speed of optical medium and erasure characteristics of the medium
IBM38 citations90
US5625615AApr 29, 1997
Optical storage drive employing variable write speed for reduced laser write power
IBM22 citations89
US5172365ADec 15, 1992
System for predicting laser end-of life from the power vs. current curve of the diode
IBM23 citations88
US5420834AMay 30, 1995
Optical disk recorders using disks coatings close to outer surfaces with optical path extending through a thick transparent substrate
IBM19 citations81
US5383175AJan 17, 1995
Laser power control with defocusing offset during data recording
IBM12 citations73
US5606541AFeb 25, 1997
Switchable filter for modulating laser intensity and reducing laser feedback in an optical disk device
IBM12 citations72
US5602806AFeb 11, 1997
Magneto-optical recording device capable of reducing thermal interference between recording pits
IBM7 citations72
US5115420AMay 19, 1992
Utilizing wasted laser light in optical systems
IBM12 citations72
US5392262AFeb 21, 1995
Two-sided optical disks having recording layers disposed close to outer surfaces and spaced axially apart a greater distance and devices for using the disks
IBM6 citations70
US5283775AFeb 1, 1994
Split detector system for direct read-while-write operation on magneto-optic media
IBM11 citations66