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Volker Zimmermann
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Sindelfingen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Revolving endless bands comprising means for compensating for a dis...
Patent number
4,744,683
Issue date
May 17, 1988
International Business Machines Corporation
Ludwig Fischer
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Device for monitoring and compensating for changes in the flight ti...
Patent number
4,664,543
Issue date
May 12, 1987
International Business Machines Corporation
Armin Bohg
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Adaptive equalization circuit for magnetic recording channels utili...
Patent number
4,580,176
Issue date
Apr 1, 1986
International Business Machines Corporation
David C. Graves
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk track following servo burst amplitude drop compensation
Patent number
4,438,467
Issue date
Mar 20, 1984
International Business Machines Corporation
Karl H. Schaller
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo track following control for magnetic heads, and method for co...
Patent number
4,396,960
Issue date
Aug 2, 1983
International Business Machines Corporation
Arno Matla
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo system for track accessing and track following in a disk drive
Patent number
4,217,612
Issue date
Aug 12, 1980
International Business Machines Corporation
Arno Matla
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk storage apparatus having an electrically tuned head-carriage a...
Patent number
4,208,685
Issue date
Jun 17, 1980
International Business Machines Corporation
Arno Matla
G05 - CONTROLLING REGULATING