Inventor · disambiguated record
Blair I. Finkelstein
Also filed as: FINKELSTEIN BLAIR I
14 granted patents·462 citations·filing 1990–1995
94Inventor score
Files withIBM14
Top patents by PatentIndex Score
14 records- 0197US5185733ACalibrating lasers for optical recording using a maximal readback signal amplitude as a criterionIBM·Filed 1990·Granted Feb 9, 1993·135 cites·28 claims
- 0293US5136569AOptical disk recorder for diverse media types and having a predetermined initialization or start-up procedureIBM·Filed 1990·Granted Aug 4, 1992·70 cites·13 claims
- 0388US5621717AReading optical disks having substrates with diverse axial thicknessesIBM·Filed 1995·Granted Apr 15, 1997·57 cites·31 claims
- 0481US5450383AMonitoring and adjusting laser write power in an optical disk recorder using pulse-width modulated power level checking signalsIBM·Filed 1995·Granted Sep 12, 1995·38 cites·15 claims
- 0578US5586099AOptimized laser read power based upon scan speed of optical medium and erasure characteristics of the mediumIBM·Filed 1995·Granted Dec 17, 1996·38 cites·26 claims
- 0673US5420834AOptical disk recorders using disks coatings close to outer surfaces with optical path extending through a thick transparent substrateIBM·Filed 1994·Granted May 30, 1995·19 cites·14 claims
- 0767US5625615AOptical storage drive employing variable write speed for reduced laser write powerIBM·Filed 1995·Granted Apr 29, 1997·22 cites·50 claims
- 0862US5172365ASystem for predicting laser end-of life from the power vs. current curve of the diodeIBM·Filed 1991·Granted Dec 15, 1992·23 cites·10 claims
- 0960US5383175ALaser power control with defocusing offset during data recordingIBM·Filed 1992·Granted Jan 17, 1995·12 cites·7 claims
- 1059US5115420AUtilizing wasted laser light in optical systemsIBM·Filed 1990·Granted May 19, 1992·12 cites·16 claims
- 1158US5606541ASwitchable filter for modulating laser intensity and reducing laser feedback in an optical disk deviceIBM·Filed 1992·Granted Feb 25, 1997·12 cites·23 claims
- 1256US5283775ASplit detector system for direct read-while-write operation on magneto-optic mediaIBM·Filed 1992·Granted Feb 1, 1994·11 cites·1 claims
- 1346US5392262ATwo-sided optical disks having recording layers disposed close to outer surfaces and spaced axially apart a greater distance and devices for using the disksIBM·Filed 1992·Granted Feb 21, 1995·6 cites·10 claims
- 1445US5602806AMagneto-optical recording device capable of reducing thermal interference between recording pitsIBM·Filed 1995·Granted Feb 11, 1997·7 cites·25 claims
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