Frequency synthesizer
Abstract
Abstract IN A TRANSMITTER HAVING A PLURALITY OF FREQUENCY CONVERSION CIRCUITS, A SYNTHESIZER THAT IS DC TUNABLE TO 11.0 OR 11.5 KC. WITH THE STABILITY AND ACCURACY OF A FREQUENCY STANDARD IN THE TRANSMITTER, THROUGH SELECTION OF RESPECTIVE INDEXED SETTINGS, AND ALSO OPERABLE TO ACTIVATE A CONTINUOUSLY ADJUSTABLE VERNIER RESISTIVE VOLTAGE DIVIDER TO ENABLE CONTINUOUS ADJUSTMENT OF THE SYNTHESIZER TO ANY FREQUENCY OVER ONE KC. OF A FREQUENCY RANGE WHEREBY THE SYNTHESIZER IS OPERABLE TO SET THE TRANSMITTER TO TWO TUNED FREQUENCIES 500 CYCLES PER SECOND APART FOR EVERY FREQUENCY SETTING OF THE HIGHER ORDER FREQUENCY CONVERSION CIRCUITS OR FOR CONTINUOUS VERNIER TUNING OVER AT LEAST A ONE KC. FREQUENCY RANGE THAT BRACKETS THE 11.0 AND 11.5 KC. TUNED FREQUENCIES FOR EVERY FREQUENCY SETTING OF THE OTHER HIGHER ORDER FREQUENCY CONVERSION CIRCUITS.
Inventors
- 👤 Raymond J Rogers
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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |