Beeman; Robert H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Beeman; Robert H..The latest application filed is for "low-pass filters for splitterless pots and data transmission".
- Beeman; Robert H. - Coral Springs FL
- Beeman; Robert H. - Scottsdale AZ
- Beeman; Robert H. - Berkeley IL
- Beeman; Robert H. - River Forest IL
| Patent | Date |
|---|---|
| Low-pass filters for splitterless pots and data transmission Grant 6,144,734 - Beeman November 7, 2 | 2000-11-07 |
| Digital scrambling without error multiplication Grant 4,771,463 - Beeman September 13, 1 | 1988-09-13 |
| Pseudo random framing generator circuit Grant 4,719,643 - Beeman January 12, 1 | 1988-01-12 |
| Dynamic digital equalizer Grant 4,590,600 - Beeman , et al. May 20, 1 | 1986-05-20 |
| Pseudo random framing detector circuit Grant 4,590,601 - Beeman May 20, 1 | 1986-05-20 |
| Cable load status detector Grant 4,486,627 - Beeman , et al. December 4, 1 | 1984-12-04 |
| Subscriber's Telephone Circuit Grant 3,823,273 - Beeman , et al. July 9, 1 | 1974-07-09 |
| Multi-frequency Tone Detector Grant 3,760,269 - Beeman , et al. September 18, 1 | 1973-09-18 |
| Tone Channels For Multifrequency Receivers Grant 3,582,565 - Beeman , et al. June 1, 1 | 1971-06-01 |
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