Inventor
ZWEIGHAFT JAMES
US27 patents
⚠️ This page may combine multiple inventors who share the name “ZWEIGHAFT JAMES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QUANTUM CORP
12 patentsUS6581865B1Jun 24, 2003
Retracting door assembly
QUANTUM CORP36 citations92
US6775092B2Aug 10, 2004
Lateral tape motion sensor
QUANTUM CORP30 citations91
US6699013B2Mar 2, 2004
Forced air cooling fan having pivotal fan blades for unidirectional air flow
QUANTUM CORP27 citations91
US6565029B2May 20, 2003
Method of detecting and correcting for slippage of a tape media in a tape storage device
QUANTUM CORP28 citations90
US6801383B2Oct 5, 2004
Method for calibrating a tape media using staggered calibration tracks
QUANTUM CORP34 citations88
US6570731B2May 27, 2003
System for detecting an edge of a moving data storage medium
QUANTUM CORP25 citations88
US7184233B2Feb 27, 2007
Dual source tracking servo systems and associated methods
QUANTUM CORP16 citations84
US6614611B1Sep 2, 2003
Method for buckler rotation test
QUANTUM CORP7 citations74
US6665137B2Dec 16, 2003
Method for locating data tracks on a tape media
QUANTUM CORP7 citations72
US6600624B2Jul 29, 2003
Guiding method utilizing roller surface features
QUANTUM CORP10 citations71
US7126779B2Oct 24, 2006
Tape media identification code
QUANTUM CORP0 citations52
US6962304B2Nov 8, 2005
Single reel tape cartridge with tape reel centering features
QUANTUM CORP0 citations37
EXABYTE CORP
10 patentsUS6134072AOct 17, 2000
Tracking of non-native stripes in helical scan tape drive
EXABYTE CORP24 citations92
US5680269AOct 21, 1997
Method and apparatus for controlling media linear speed in a helical scan recorder by reading servo information just after writing the servo information
EXABYTE CORP20 citations92
US5426355AJun 20, 1995
Power-off motor deceleration control system
EXABYTE CORP29 citations92
US5191491AMar 2, 1993
Method and apparatus for reading distorted helical stripes
EXABYTE CORP43 citations92
US5602694AFeb 11, 1997
Capstanless helical drive system
EXABYTE CORP36 citations91
US5712539AJan 27, 1998
Digital acoustic noise reduction in electric motors driven by switching power amplifiers
EXABYTE CORP17 citations80
US6285518B1Sep 4, 2001
Life/wear monitoring for magnetic tape
EXABYTE CORP13 citations74
US5726826AMar 10, 1998
Capstanless helical drive system
EXABYTE CORP13 citations72
US5892347AApr 6, 1999
Tape drive with high performance gain amplifier using radio frequency dielectric heating
EXABYTE CORP10 citations66
US5829702ANov 3, 1998
Method and apparatus for counteracting interlayer slip in magnetic tape drive
EXABYTE CORP5 citations63