| Patent No. | Patent Title: |
| 4542429 | Apparatus for reducing starting adhesion between a magnetic disc ... |
| 4525756 | Head shift mechanism |
| 4523133 | Tape transport system with tension sensing bearings |
| 4517612 | Reproducing apparatus with controlled gain output independent of ... |
| 4517610 | Multichannel signal recovery circuit |
| 4511936 | Switch and optical sensor assembly for recorder |
| 4510541 | Magnetic disk storage unit with reciprocating magnetic head for c... |
| 4506304 | Apparatus for transferring pre-recorded image signal information ... |
| 4504877 | Auto-reverse type cassette tape player |
| 4497006 | Magneto-optic recording/playback head assembly |
| 4492995 | Tape cassette loading and ejection device |
| 4491287 | Pushbutton actuated cassette tape transport |
| 4489355 | Locking device for a magnetic tape cassette in a magnetic tape de... |
| 4488194 | Magnetoresistant transducer for reading very high-density data |
| 4486799 | Tape guide device for video tape recorder |
| 4475281 | Transducer head positioning adapter for fixed head flexible disk ... |
| 4470089 | Tape unit cleaning device |
| 4468713 | Tape recorder tape guide mechanism fixed on pinch roller lever |
| 4466033 | Disk drive with automatic disc clamping and ejecting |
| 4460930 | Erroneous erasure preventing apparatus |
| 4458273 | Magnetic disk drive control apparatus and method |
| 4442464 | Device for detecting a space between adjacent blocks of data reco... |
| 4433347 | Apparatus for automatically reproducing signals in accordance wit... |
| 4433403 | Optical disc recording and retrieval system |
| 4430676 | Control apparatus for selectively recording signals |
| 4428005 | Mode selecting device for a video signal reproducing apparatus |
| 4428002 | Special effects video disc reproducing system for eliminating pic... |
| 4426665 | Automatic track following feature for helical video recorder |
| 4426660 | Stylus for detecting signals recorded as geometric variations and... |
| 4426669 | Transducer positioner in disk files |
| 4426693 | Light source intensity control in an optical recording and reprod... |
| 4426690 | Optical reproducing device having focus servo system |
| 4425588 | Processing of digital signals |
| 4425584 | Video signal recording and/or reproducing system |
| 4423288 | Modular telephone jack |
| 4422116 | Device for adjusting sound head platforms |
| 4422102 | Laser recording method and apparatus simultaneously scanning and ... |
| 4422107 | Tape recorder control system for automatically reversing tape |
| 4419749 | Magnetic reproducing apparatus capable of receiving radio broadca... |
| 4419698 | Color video signal recording and/or reproducing system |