Hedtke; Rolf
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hedtke; Rolf.The latest application filed is for "interleave mode for helical scan recording".
- Hedtke; Rolf - Darmstadt DE
- Hedtke; Rolf - Darmstadt-Eberstadt DE
| Patent | Date |
|---|---|
| Interleave mode for helical scan recording Grant 6,915,068 - Schiffmann , et al. July 5, 2 | 2005-07-05 |
| Interleave mode for helical scan recording App 20030198459 - Schiffmann, Rolf ; et al. | 2003-10-23 |
| Method of converting the data rate of a data signal Grant 5,235,471 - Fell , et al. August 10, 1 | 1993-08-10 |
| Manual rotary sphere control of an electronic equipment with touch sensing of scale marks Grant 4,952,081 - Hedtke August 28, 1 | 1990-08-28 |
| Time code reader in a device for reproducing video signals from magnetic tape Grant 4,953,040 - Hedtke , et al. August 28, 1 | 1990-08-28 |
| System for testing digital circuits Grant 4,926,425 - Hedtke , et al. May 15, 1 | 1990-05-15 |
| Test and monitoring system for a digital video tape recorder/reproducer Grant 4,907,181 - Hedtke , et al. March 6, 1 | 1990-03-06 |
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