Walraven; Anthonie
Patent Applications and Registrations
Patent applications and USPTO patent grants for Walraven; Anthonie.The latest application filed is for "method and apparatus for recording or reproducing stereophonic information in a magnetic record carrier".
- Walraven; Anthonie - Eindhoven NL
| Patent | Date |
|---|---|
| Method and apparatus for recording or reproducing stereophonic information in a magnetic record carrier Grant 4,498,111 - Rijckaert , et al. February 5, 1 | 1985-02-05 |
| Magnetic converter having a magnetoresistive element Grant 4,190,871 - Walraven February 26, 1 | 1980-02-26 |
| Servo system for controlling the position of a reading head Grant 4,056,832 - de Boer , et al. November 1, 1 | 1977-11-01 |
| Device for controlling the position of a magnetic head with respect to an information track to be followed Grant 3,918,091 - Walraven , et al. November 4, 1 | 1975-11-04 |
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