Receiver circuit assembly
Abstract
Abstract THE PRESENT INVENTION PERTAINS TO AN RF RECEIVER CIRCUIT ASSEMBLY AND MORE PARTICULARLY TO A RECEIVER OPERATIVELY ASSOCIATED WITH REMOTE CONTROLLED HEATING AND COOLING SYSTEMS HAVING FANS AND ADAPTED TO DEMODULATE A COMPLEX RF SIGNAL HAVING AN RF COMPONENT, A MIDRANGE AUTDIO FREQUENCY COMPONENT AND A LOW FREQUENCY COMPONENT AND INCLUDING ASSOCIATED OUTPUT CIRCUITS OPERATIVELY CONNECTED TO THE RECEIVER WHICH ARE RESPONSIVE TO THE LOW FREQUENCY COMPONENT TO SELECTIVELY ACTIVATE SAID HEATNG AND COOLING SYSTEMS AND THE FANS IN A PREDETERMINED MANNER. THE PRESENT INVENTION IS DIRECTED TO A RECEIVER AND ASSOCIATED OUTPUT CIRCUITS FOR ACTIVATING HEATING AND COOLING SYSTEMS AND FANS CONNECTED THEREWITH IN RESPONSE TO BE RECEPTION OF A SELECTED TRANSMISSION TO SAID RECEIVER.
Inventors
- 👤 Roger Isaacs
- 👤 Albert Stern
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |