Assignee
LASER MAGNETIC STORAGE INT
US·37 granted patents·776 citations·filing 1985–1989
Top patents by PatentIndex Score
37 records- 0190US4907212AMethod and apparatus for calibrating an optical disk systemLASER MAGNETIC STORAGE INT·Filed 1988·Granted Mar 6, 1990·44 cites·29 claims
- 0289US4685097APower control system for a semiconductor laserLASER MAGNETIC STORAGE INT·Filed 1985·Granted Aug 4, 1987·66 cites·10 claims
- 0387US4683520AMechanical shock mount system for electrical apparatusLASER MAGNETIC STORAGE INT·Filed 1986·Granted Jul 28, 1987·57 cites·4 claims
- 0486US4879707AOptical disk tracking and seeking systems specific track formats using discontinuitiesLASER MAGNETIC STORAGE INT·Filed 1988·Granted Nov 7, 1989·38 cites·7 claims
- 0585US4646281ARead channel for an optical recorderLASER MAGNETIC STORAGE INT·Filed 1985·Granted Feb 24, 1987·33 cites·23 claims
- 0684US4823214ADisk drive for cartridge disksLASER MAGNETIC STORAGE INT·Filed 1987·Granted Apr 18, 1989·29 cites·22 claims
- 0784US4791511ADisk cartridge with slide door engageable in either of two orientationsLASER MAGNETIC STORAGE INT·Filed 1986·Granted Dec 13, 1988·30 cites·10 claims
- 0883US4779253ASampled servo for an optical disk driveLASER MAGNETIC STORAGE INT·Filed 1986·Granted Oct 18, 1988·27 cites·22 claims
- 0983US4679747AApparatus for loading and unloading the leader block of a tape cartridgeLASER MAGNETIC STORAGE INT·Filed 1986·Granted Jul 14, 1987·27 cites·12 claims
- 1081US4740949ALaser access apparatus for optical disk driveLASER MAGNETIC STORAGE INT·Filed 1987·Granted Apr 26, 1988·27 cites·13 claims
- 1179US4828201AApparatus for coupling a drive motor to a leader block loading/unloading mechanismLASER MAGNETIC STORAGE INT·Filed 1986·Granted May 9, 1989·24 cites·10 claims
- 1279US4644521AOptical memory cartridge and drive apparatusLASER MAGNETIC STORAGE INT·Filed 1985·Granted Feb 17, 1987·23 cites·26 claims
- 1377US4707137ADevice and method for testing the wave front quality of optical componentsLASER MAGNETIC STORAGE INT·Filed 1985·Granted Nov 17, 1987·35 cites·13 claims
- 1476US4855977ATrack seeking apparatus and method using sampled informationLASER MAGNETIC STORAGE INT·Filed 1987·Granted Aug 8, 1989·20 cites·44 claims
- 1575US5031166AOptical disk tracking and seeking systems and specific track formats using discontinuities and circuitry thereforLASER MAGNETIC STORAGE INT·Filed 1989·Granted Jul 9, 1991·22 cites·3 claims
- 1675US4945526AActuator assembly for optical disk systemsLASER MAGNETIC STORAGE INT·Filed 1988·Granted Jul 31, 1990·23 cites·23 claims
- 1774US4789977AOptical data recording deviceLASER MAGNETIC STORAGE INT·Filed 1986·Granted Dec 6, 1988·25 cites·8 claims
- 1874US4745500ADisk drive for cartridge disksLASER MAGNETIC STORAGE INT·Filed 1985·Granted May 17, 1988·20 cites·2 claims
- 1973US4970710AMethod and apparatus for focus and tracking in an optical disk systemLASER MAGNETIC STORAGE INT·Filed 1989·Granted Nov 13, 1990·18 cites·11 claims
- 2071US4882721AOffset for protection against amorphous pipsLASER MAGNETIC STORAGE INT·Filed 1988·Granted Nov 21, 1989·18 cites·6 claims
- 2168US5060106ADisk cartridge including door opening mechanism and improved hub assemblyLASER MAGNETIC STORAGE INT·Filed 1989·Granted Oct 22, 1991·16 cites·3 claims
- 2268US4959823ATracking and seeking system for use with an optical record carrier having a wobbled track formatLASER MAGNETIC STORAGE INT·Filed 1989·Granted Sep 25, 1990·19 cites·9 claims
- 2362US4914645AOptical disk tracking and seeking systems and specific track formats using servo areasLASER MAGNETIC STORAGE INT·Filed 1988·Granted Apr 3, 1990·14 cites·14 claims
- 2462US4694259AData tracking clock recovery system having media speed variation compensationLASER MAGNETIC STORAGE INT·Filed 1986·Granted Sep 15, 1987·20 cites·5 claims
- 2561US4864552ADriving signal for coarse servo employing sampled offset signalLASER MAGNETIC STORAGE INT·Filed 1986·Granted Sep 5, 1989·12 cites·28 claims
- 2661US4695994AMethod and apparatus for varying laser intensity levelLASER MAGNETIC STORAGE INT·Filed 1985·Granted Sep 22, 1987·13 cites·19 claims
- 2757US4805045AApparatus for loading and unloading a tape cartridgeLASER MAGNETIC STORAGE INT·Filed 1988·Granted Feb 14, 1989·11 cites·45 claims
- 2853US4962492AMagneto-optic data recording system, actuating device therefor and method of providing sameLASER MAGNETIC STORAGE INT·Filed 1988·Granted Oct 9, 1990·11 cites·25 claims
- 2953US4718054AServo error write blanking circuit for an optical recording diskLASER MAGNETIC STORAGE INT·Filed 1986·Granted Jan 5, 1988·9 cites·7 claims
- 3049US5022017AMagneto optic data recording system with variable field strength, actuator therefor and method of providingLASER MAGNETIC STORAGE INT·Filed 1988·Granted Jun 4, 1991·8 cites·15 claims
- 3148US4802154AHigh density codes for optical recordingLASER MAGNETIC STORAGE INT·Filed 1985·Granted Jan 31, 1989·7 cites·29 claims
- 3246US4879708AOptical disk tracking and seeking systems specific track formats using wobbled pitsLASER MAGNETIC STORAGE INT·Filed 1988·Granted Nov 7, 1989·6 cites·9 claims
- 3342US4879706AMethod and apparatus for focus and tracking in an optical disk systemLASER MAGNETIC STORAGE INT·Filed 1987·Granted Nov 7, 1989·6 cites·20 claims
- 3437US4768180AMultistage tracking systemLASER MAGNETIC STORAGE INT·Filed 1986·Granted Aug 30, 1988·8 cites·18 claims
- 3536US4862646AApparatus and method for production of single element toric lenses of very small proportionsLASER MAGNETIC STORAGE INT·Filed 1988·Granted Sep 5, 1989·8 cites·6 claims
- 3634US4740944AOptical disk phase lock loop with comb filterLASER MAGNETIC STORAGE INT·Filed 1987·Granted Apr 26, 1988·2 cites·4 claims
- 3729US4980880AMethod and apparatus for simultaneously reading both sides of an optical storage diskLASER MAGNETIC STORAGE INT·Filed 1989·Granted Dec 25, 1990·0 cites·26 claims
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