| Patent No. | Patent Title: |
| 4727443 | Method of protecting a magnetic recording medium in a magnetic ... |
| 4720752 | Servocontrolled device for controlling the cassette tape transpor... |
| 4706139 | Magnetic recording and reproducing apparatus |
| 4704643 | Magnetic tape recording and/or reproducing apparatus |
| 4703371 | Disk drive formatting |
| 4701815 | Tracking servo system for disc memory |
| 4701813 | Method of protecting a magnetic recording medium in a magnetic ... |
| 4700255 | Magnetic tape recording apparatus |
| 4700244 | Process and system for compensating for information shifts on dis... |
| 4698704 | Automatic cassette tape recorder stop mechanism |
| 4698703 | Capstan servo system |
| 4697213 | Index servo type magnetic head positioning control apparatus and ... |
| 4694359 | Diagnostic disk for checking the head alignment of magnetic disk ... |
| 4692821 | Disc memory storage apparatus and method |
| 4692820 | Head-positioning mechanism for an endless tape |
| 4692819 | Method and apparatus for controlling the position of a transporte... |
| 4691252 | Rotary magnetic recording-reproducing apparatus |
| 4691256 | Information reproducing apparatus |
| 4689700 | Tracking apparatus for rotary recording medium on the basis of en... |
| 4689699 | Information signal recording and/or reproducing apparatus |
| 4688114 | Drum servo circuit |
| 4688118 | Servo gain compensation in a disc drive |
| 4688119 | Detection and amplification circuit |
| 4688116 | Apparatus for recording and/or reproducing digital signal |
| 4685006 | Magnetic recording-reproducing device |
| 4683504 | Apparatus for recording and reading binary information on a magne... |
| 4682253 | Servo positioning system for disk drive system |
| 4680653 | Rotating storage device track format emulation |
| 4679103 | Digital servo control system for a data recording disk file |
| 4679099 | Information signal reproducing apparatus |
| 4679104 | Method and arrangement for positioning a magnetic head to various... |
| 4677502 | Turnaround tape transport apparatus with compensation for head-to... |
| 4677506 | Tracking apparatus for rotational magnetic recording medium with ... |
| 4677504 | Recording apparatus for video signal |
| 4677507 | Digital velocity control for a disk drive servo system |
| 4675756 | Magnetic recording and reproducing apparatus |
| 4675760 | Information signal recording and/or playback system and method us... |
| 4675758 | Magnetic disc recording and/or reproducing apparatus |
| 4675761 | Magnetic head positioning apparatus and method |
| 4675757 | Method and apparatus for synchronizing tape recording and playbac... |
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