US3193771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frequency modulation signal enhancer
Assignee: GEN ELECTRONIC LAB Inc
•
Filing: 1961-02-06
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Granted: 1965-07-06
•
Expires: 1981-02-06
Abstract
No abstract record available.
Inventors
- 👤 John T Boatwright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:18
CPC Classifications
H; H03; H03G; H03G11/00; H03G11/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
84 words
A FREQUENCY MODULATION SIGNAL ENHANING SYSTEM COMPRISING AN AMPLIFIER STAGE HAVING AN INPUT AND OUTPUT CIRCUIT, MEANS FOR FEEDING FREQUENCY MODLATION SIGNALS TO THE INPUT CIRCUIT OF THE AMPLIFIER STAGE, THE AMPLIFIER STAGE INCLUDING A DIODE SIGNAL AMPLITUDE LIMITER COUPLED TO THE INPUT CIRCUIT FOR LIMITING THE AMPLITUDE OF SIGNALS FED TO THE STAGE, A FEEDBACK LOOP COUPLED FROM THE OUTPUT CIRCUIT TO THE INPUT CIRCUIT AND INCLUDING A SECOND DIODE SIGNAL AMPLITUDE LIMITER FOR LIMITING THE AMPLITUDE OF SIGNALS FED THROUGH THE LOOP.
References Cited (Backward Citations)
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US2912573A
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US2922040A
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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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |