Radio command buoy system
Abstract
Abstract A RADIO COMMAND BUOY SYSTEM HAVING AN RF COMMAND LINK FOR SELECTIVELY OPERATING FROM A REMOTE STATION A PLURALITY OF REMOTE UNDERWATER SOUND SOURCE BUOYS DEPLOYED IN A WATER AREA OF INTEREST. A PAIR OF MANUALLY OPERATED SELECTOR SWITCHES PASS TWO DIFFERENT TONES FROM A PLURALITY OF DISCRETE TONE GENERATORS AND THE SELECTED TONES ARE COMBINED AND TRANSMITTED ON A CARRIER WAVE. EACH BUOY IS A RADIO RECEIVING STATION HAVING A DECODER RESPONSIVE TO A SELECTED PAIR OF DIFFERENT OF SAID TONES. THE DECODER OUTPUT OPERATES A STEPPING SWITCH CONNECTED BETWEEN A POWER SUPPLY AND A PLUALITY OF ELECTRICALLY FIRED EXPLOSIVE CHARGES. EACH TIME THE DECODER TONES ARE TRANSMITTED, THE STEPPING SWITCH CAUSES A SUCCEEDING CHARGE TO EXPLODE.
Inventors
- 👤 Samuel Pure
- 👤 James R Howard
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |