| 6330123 |
Head assembly having a single pass servo writer |
Theodore A. Schwarz, Hung T. Tran |
2001-12-11 |
$2,347,000 |
| 6134070 |
Encoded servo track configurations, servo writer and systems/method regarding same |
Hung T. Tran, Theodore A. Schwarz, Alan R. Olson, Richard W. Molstad, Gary D. Moeller +2 more |
2000-10-17 |
$7,342,000 |
| 6091565 |
Head assembly having a single pass servo writer |
Theodore A. Schwarz, Hung T. Tran |
2000-07-18 |
$11,745,000 |
| 6025967 |
Method of identifying magnetic tape characteristics |
Leroy A. Kuta, Michael J. Kelly |
2000-02-15 |
$10,884,000 |
| 5946156 |
Tape servo system and methods, write/read heads, and servo track configurations regarding same |
Theodore A. Schwarz, Hung T. Tran |
1999-08-31 |
$2,937,000 |
| 5675448 |
Track pitch error compensation system for data cartridge tape drives |
Richard W. Molstad, Bennett G. Dy |
1997-10-07 |
$4,889,000 |
| 5661616 |
Track servo control method for data cartridge tape drives |
Hung T. Tran, George Chavez |
1997-08-26 |
$11,185,000 |
| 5572378 |
Direct file access system for magnetic tape |
Theodore A. Schwarz, Robert E. Wolff |
1996-11-05 |
$6,197,000 |
| 5450257 |
Head-tape alignment system and method |
Hung T. Tran, James S. Anderson, Christopher L. Hill, Durkee B. Richards |
1995-09-12 |
$12,025,000 |
| 5434732 |
Balanced cantilevered head positioning mechanism for multitrack tape recorder |
Theodore A. Schwarz, Durkee B. Richards |
1995-07-18 |
$10,779,000 |
| 5426543 |
Servo positioning system for magnetic recording media |
Bennett G. Dy, Richard W. Molstad |
1995-06-20 |
$21,234,000 |
| 5390054 |
Method and system for minimizing the error rate of a digital recording system by predicting the optimal bias current |
Theodore A. Schwarz, Richard W. Molstad, Tim T. Ngo |
1995-02-14 |
$6,976,000 |
| 5339202 |
Method and apparatus for amplitude compensated write equalization |
John E. Heinz, Michael E. Hamerly, Richard W. Molstad, Theodore A. Schwarz |
1994-08-16 |
$7,771,000 |
| 5280402 |
Combined stepper motor and voice coil head positioning apparatus |
James S. Anderson, Noel L. Allen, Durkee B. Richards, Theodore A. Schwarz, Robert W. Tapani +1 more |
1994-01-18 |
$14,639,000 |
| 5229895 |
Multi-track servo recording head assembly |
Theodore A. Schwarz |
1993-07-20 |
$9,490,000 |
| 5008765 |
Method and apparatus for reading or writing on tape using a servo positioned multiple channel head |
— |
1991-04-16 |
$13,341,000 |
| 4791643 |
Single track orthogonal error correction system |
Richard W. Molstad |
1988-12-13 |
$15,585,000 |
| 4473818 |
Bipolar digital to analog converter |
— |
1984-09-25 |
$10,175,000 |
| 4351007 |
Editor for combining digitally recorded audio signals |
— |
1982-09-21 |
$7,148,000 |
| 4292684 |
Format for digital tape recorder |
Michael J. Kelly |
1981-09-29 |
$3,407,000 |
