ALLIANCE STORAGE TECHNOLOGIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 9129
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 2203

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D466902 Optical disk cartridgeJan 15, 02Dec 10, 02[1402]
6359855 Data media storage library with interchangeable media store and drivesNov 05, 96Mar 19, 02[G11B]
6233209 Tracking method and track format based on radial cross-talk from adjacent tracksJul 31, 98May 15, 01[G11B]
6205103 Enhanced adaptive and selective ISI cancellation for a read channel in storage technologiesApr 28, 00Mar 20, 01[G11B]
5995459 Flipper mechanism for double-sided mediaJan 27, 99Nov 30, 99[G11B]
5602821 Double picker drive multiplexing mechanismNov 09, 95Feb 11, 97[G11B]
5553052 Inclination of an objective lens in an optical information systemAug 02, 94Sep 03, 96[G02B, G11B]
5414563 Electromagnetic objective lens driving apparatus of optical data recording and reproducing apparatusJul 28, 93May 09, 95[G02B]
5321678 Optical head carriage, tracking mechanism and displacement detecting mechanismAug 12, 92Jun 14, 94[G11B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7586831 Amplitude modulated addressing in disk pregrooveExpiredMar 21, 05Sep 08, 09[G11B]
7248557 Robust header configuration and method for reading sector identifiers contained thereinExpiredDec 30, 03Jul 24, 07[G11B]
7209414 Spherical aberration compensation by wavelengthExpiredMay 27, 03Apr 24, 07[G11B]
7200771 Relocation batch processing for disk drivesExpiredNov 12, 03Apr 03, 07[G06F]
6961291 System for enhanced astigmatic focus signal detectionExpiredApr 03, 02Nov 01, 05[G11B]
6891868 Laser driver with noise reduction feedback for optical storage applicationsExpiredMay 08, 01May 10, 05[H01S]
6467014 Automatic mapping and efficient address translation for multi-surface, multi-zone storage devicesExpiredFeb 29, 00Oct 15, 02[G06F]
6454509 Mechanically actuated picker for data storage libraryExpiredApr 06, 00Sep 24, 02[G11B]
6407970 Enhanced adaptive and selective ISI cancellation for a read channel in storage technologiesExpiredJan 23, 01Jun 18, 02[G11B]
6094408 Adaptive and selective cancellation of inter-symbol interference of a read channel in storage technologiesExpiredJun 26, 98Jul 25, 00[G11B]
6091687 Method and apparatus for maximum likelihood detectionExpiredDec 19, 97Jul 18, 00[G11B]
5917599 Lens inclination adjustment system using an interferometerExpiredJul 23, 97Jun 29, 99[G01B]
5896362 Lens Inclination Adjustment SystemExpiredJul 24, 97Apr 20, 99[G11B]
5894370 Inclination monitoring systemExpiredJul 24, 97Apr 13, 99[G02B]
5883709 Inclination monitoring system including reflection of collimated lightExpiredAug 21, 97Mar 16, 99[G01C, G01B]
5126991 Track addressing method and apparatusExpiredJun 29, 90Jun 30, 92[H04N]
5123000 Optical disk cartridge handling apparatusExpiredOct 24, 90Jun 16, 92[G11B, F11B, G11C]

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