TANDBERG DATA STORAGE AS
Patent Owner
Stats
- 6 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 09, 1999 most recent publication
Details
- 6 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1,163 Total Citation Count
- Mar 30, 1982 Earliest Filing
- 66 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
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Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5659945 Method of assembling a small distance read/write head with inherently low mistrackingMar 06, 95Aug 26, 97[G11B]
5438469 Method and apparatus for coarse and fine positioning a magnetic head with three piezoelectric elements arranged in a tripod arrangementDec 07, 93Aug 01, 95[G11B]
5392170 Magnetic tape storage unit with improved ability to read data by using a set of multiple read elementsSep 22, 92Feb 21, 95[G11B]
5357495 Stacker/autoloader system with intelligent media storage magazine controlJul 02, 92Oct 18, 94[G11B]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5982572 Method and apparatus for enabling fast access to a logical block on a tape mediumExpiredMay 06, 93Nov 09, 99[G11B]
5949597 Method and apparatus for data pulse qualification wherein the amplitude of a preceding pulse of opposite polarity is trackedExpiredApr 24, 96Sep 07, 99[G11B]
5781383 Magnetic head for stable tip to tape contact pressure despite head wear and tape tension variationExpiredOct 18, 93Jul 14, 98[G11B]
5696537 Mouse for data entry and control with control of ball friction forceExpiredJun 20, 91Dec 09, 97[G09G]
5596762 Small-size computer having pluggable memory unit for data protectionExpiredNov 09, 90Jan 21, 97[G06F]
5475548 Electrostatic discharge protection for a magnetic tape cartridgeExpiredMay 06, 94Dec 12, 95[G11B]
5457586 Method and arrangement for positioning a magnetic head relative to the storage medium of a magnetic layer storageExpiredMay 09, 91Oct 10, 95[G11B]
5452152 Tracking control on longitudinal azimuth tracks using an auxiliary read headExpiredJun 06, 91Sep 19, 95[G11B]
5440435 Cartridge manipulation and reference system for magnetic tape recorderExpiredJul 08, 93Aug 08, 95[G11B]
5430587 Cassette-activated mechanism for inwardly opening recorder doorExpiredJul 08, 93Jul 04, 95[G11B]
5394277 Method for determining servo track pair position and longitudinal tape position for a tape using dedicated servo formatExpiredOct 02, 92Feb 28, 95[G11B]
5394278 Method and apparatus for erasing information from a magnetic tapeExpiredFeb 26, 93Feb 28, 95[G11B]
5379165 Method and apparatus for improving the accuracy of a tape servo track seek algorithm by using longitudinally correlated waveforms of lateral tape movement unique to each tape cassetteExpiredMar 19, 93Jan 03, 95[G11B]
5375245 Apparatus for automatically reducing the power consumption of a CRT computer monitorExpiredFeb 22, 93Dec 20, 94[G06F]
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