| 8127068 |
Removable cartridge storage devices and methods |
— |
2012-02-28 |
| 8060893 |
Data storage cartridge with optical waveguide |
— |
2011-11-15 |
| 8019908 |
Data replication systems and methods |
— |
2011-09-13 |
| 7694884 |
Removable cartridge identification system |
Christopher Thomas Bukowski |
2010-04-13 |
| 7612994 |
Hard drive cartridge protection |
Michael H. Ulrich |
2009-11-03 |
| 7417819 |
Extendable virtual autoloader systems and methods |
— |
2008-08-26 |
| 7246210 |
Archival cartridge management system with auto-refresh |
David M. Perry |
2007-07-17 |
| 6975789 |
Wavelength router |
Robert T. Weverka |
2005-12-13 |
| 6707550 |
Wavelength monitor for WDM systems |
Robert T. Weverka |
2004-03-16 |
| 6501877 |
Wavelength router |
Robert T. Weverka, Richard Roth |
2002-12-31 |
| 6128698 |
Tape drive emulator for removable disk drive |
— |
2000-10-03 |
| 5726826 |
Capstanless helical drive system |
Robert Joseph Miles, James Zweighaft |
1998-03-10 |
| 5680269 |
Method and apparatus for controlling media linear speed in a helical scan recorder by reading servo information just after writing the servo information |
James Zweighaft, Timothy C. Hughes |
1997-10-21 |
| 5369285 |
Method and apparatus for optical detection of cleaning medium in an information storage drive |
Robert Sugar, Rodney Brittner, THOMAS DEAN FOX |
1994-11-29 |
| 5142422 |
Dual channel helical recorder |
Christopher P. Zook, Robert Bordasch, Alireza Atai-Azimi, Christopher Pisciotta, Steve E. Haughland +1 more |
1992-08-25 |
| 5068757 |
Servo tracking for helical scan recorder |
Timothy C. Hughes |
1991-11-26 |
| 5065261 |
Method and apparatus for synchronizing timing signals for helical scan recorder |
Timothy C. Hughes |
1991-11-12 |
| 5050018 |
Apparatus and method for reading helically recorded tracks and rereading tracks as necessary |
E. Christopher Pisciotta |
1991-09-17 |
| 4845577 |
Apparatus and method for enabling rapid searching of helically recorded magnetic tape |
Juan A. Rodriguez, E. Christopher Pisciotta |
1989-07-04 |
| 4843495 |
Cyclical servo zone tracking method and apparatus for helical scan recording devices |
Kelly J. Beavers, Steve E. Haugland |
1989-06-27 |
| 4533991 |
Adaptive feedforward servo system |
— |
1985-08-06 |
| 4502647 |
Tape attached sensor |
James Zweighaft |
1985-03-05 |