US3337807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superregenerative amplifier-detector
Assignee: Raytheon Co
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Filing: 1963-09-17
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Granted: 1967-08-22
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Expires: 1983-09-17
Abstract
No abstract record available.
Inventors
- 👤 Neal H Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:27
CPC Classifications
H; H03; H03D; H03D11/00; H03D11/02; H03D11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A SUPERREGENERATIVE AMPLIFIER-DETECTOR COMPRISING: A SELF-QUENCHING SUPERREGENERATIVE STAGE HAVING INPUT CIRCUIT MEANS FOR COUPLING TO A RATION FREQUENCY SIGNAL MODULATED BY A MODULATING SIGNAL, AND HAVING OUTPUT CIRCUIT MEANS PROVIDING A FREQUENCY MODULATED QUENCH FREQUENCY SIGNALS; A DISCRIMINATOR STAGE HAVING AN INPUT CIRCUIT COUPLED TO SAID CIRCUIT MEANS AND RESPONSIVE TO SAID FREQUENCY MODULATED QUENCH FREQUENCY SIGNAL, AND HAVING AN OUTPUT CIRCUIT PROVIDING A SUB-RADIO FREQUENCY OUTPUT SIGNAL CORRESPONDING TO SAID MODULATING SIGNAL, AND ALSO PROVIDING A DIRECT CURRENT ERROR SIGNAL VOLTAGE WHEN THE FREQUENCY OF SAID QUENCH FREQUENCY SIGNAL DEVIATES FROM A PREDETERMINED FREQUENCY, THE POLARITY OF SAID ERROR SIGNAL VOLTAGE BEING DEPENDENT ON THE DIRECTION OF SAID DEVIATION; AND AUTOMATIC FREQUENCY CONTROL MEANS INCLUDING A VARIABLE BIAS VOLTAGE CONTROL CIRCUIT COUPLED TO SAID DISCRIMINATOR STAGE AND TO SAID SUPERREGENERATIVE STAGE, SAID AUTOMATIC FREQUENCY CONTROL MEANS BEING RESPONSIVE TO SAID ERROR SIGNAL VOLTAGE TO PROVIDE A BIAS VOLTAGE TO SAID SUPERREGENERATIVE STAGE FOR CONTROLLING THE FREQUENCY OF SAID QUENCH FREQUENCY SIGNAL.
Claim 2
Dependent Claim
162 words
A SUPERREGENERATIVE AMPLIFIER-DETECTOR COMPRISING: A SELF-QUENCHING SUPERREGENERATIVE STAGE HAVING INPUT CIRCUIT MEANS FOR COUPLING TO A RATION FREQUENCY SIGNAL MODULATED BY A MODULATING SIGNAL, AND HAVING OUTPUT CIRCUIT MEANS PROVIDING A FREQUENCY MODULATED QUENCH FREQUENCY SIGNALS; A DISCRIMINATOR STAGE HAVING AN INPUT CIRCUIT COUPLED TO SAID CIRCUIT MEANS AND RESPONSIVE TO SAID FREQUENCY MODULATED QUENCH FREQUENCY SIGNAL, AND HAVING AN OUTPUT CIRCUIT PROVIDING A SUB-RADIO FREQUENCY OUTPUT SIGNAL CORRESPONDING TO SAID MODULATING SIGNAL, AND ALSO PROVIDING A DIRECT CURRENT ERROR SIGNAL VOLTAGE WHEN THE FREQUENCY OF SAID QUENCH FREQUENCY SIGNAL DEVIATES FROM A PREDETERMINED FREQUENCY, THE POLARITY OF SAID ERROR SIGNAL VOLTAGE BEING DEPENDENT ON THE DIRECTION OF SAID DEVIATION; AND AUTOMATIC FREQUENCY CONTROL MEANS INCLUDING A VARIABLE BIAS VOLTAGE CONTROL CIRCUIT COUPLED TO SAID DISCRIMINATOR STAGE AND TO SAID SUPERREGENERATIVE STAGE, SAID AUTOMATIC FREQUENCY CONTROL MEANS BEING RESPONSIVE TO SAID ERROR SIGNAL VOLTAGE TO PROVIDE A BIAS VOLTAGE TO SAID SUPERREGENERATIVE STAGE FOR CONTROLLING THE FREQUENCY OF SAID QUENCH FREQUENCY SIGNAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |