Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6134070 | Encoded servo track configurations, servo writer and systems/method regarding same | Hung T. Tran, Theodore A. Schwarz, Robert J. Youngquist, Alan R. Olson, Gary D. Moeller +2 more | 2000-10-17 |
| 6078481 | Tape storage cartridge having two-level tape path | William J. Vanderheyden, Douglas W. Johnson | 2000-06-20 |
| 5675448 | Track pitch error compensation system for data cartridge tape drives | Robert J. Youngquist, Bennett G. Dy | 1997-10-07 |
| 5452150 | Data cartridge with magnetic tape markers | Stacy A. Henneberger, Christopher L. Hill, Alan R. Olson, Steven R. Seeman | 1995-09-19 |
| 5426543 | Servo positioning system for magnetic recording media | Bennett G. Dy, Robert J. Youngquist | 1995-06-20 |
| 5390054 | Method and system for minimizing the error rate of a digital recording system by predicting the optimal bias current | Robert J. Youngquist, Theodore A. Schwarz, Tim T. Ngo | 1995-02-14 |
| 5339202 | Method and apparatus for amplitude compensated write equalization | John E. Heinz, Michael E. Hamerly, Theodore A. Schwarz, Robert J. Youngquist | 1994-08-16 |
| 5243472 | Series resonant AC erase head drive circuit | — | 1993-09-07 |
| 4791643 | Single track orthogonal error correction system | Robert J. Youngquist | 1988-12-13 |