US3100286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bridge feedback modulator
Assignee: General Precision Inc
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Filing: 1961-10-18
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Granted: 1963-08-06
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Expires: 1981-10-18
Abstract
No abstract record available.
Inventors
- 👤 Clarence S Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:00
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/52; H03C1/54; H03C1/542; H03C1/545
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A MODULATION SYSTEM COMPRISING A BRIDGE NETWORK HAVING FOUR IMPEDANCE LEGS, ONE OF SAID IMPEDANCE LEGS INCLUDING A TRANSISTOR FOR RECEIVING AUDIO INPUT SIGNALS, AN IMPEDANCE BRANCH COUPLED ACROSS THE BRIDGE INCLUDING A UNIDIRECTIONAL CONDUCTION DEVICE, A MEANS FOR GENERATING A CARRIER SIGNAL COUPLED TO THE UNIDIRECTIONAL CONDUCTION DEVICE, A MEANS FOR PASSING A MODULATED CARRIER SIGNAL FROM UNIDIRECTIONAL CONDUCTION DEVICE, AN OUTPUT CIRCUIT COUPLED TO SAID MEANS FOR PASSING THE MODULATED CARRIER SIGNAL, A DE-MODULATION MEANS COUPLED TO THE OUTPUT CIRCUIT, AND A NEGATIVE FEEDBACK PATH FOR PASSING AUDIO SIGNALS FROM DE-MODULATION MEANS TO THE TRANSISTOR.
Claim 2
Dependent Claim
97 words
A MODULATION SYSTEM COMPRISING A BRIDGE NETWORK HAVING FOUR IMPEDANCE LEGS, ONE OF SAID IMPEDANCE LEGS INCLUDING A TRANSISTOR FOR RECEIVING AUDIO INPUT SIGNALS, AN IMPEDANCE BRANCH COUPLED ACROSS THE BRIDGE INCLUDING A UNIDIRECTIONAL CONDUCTION DEVICE, A MEANS FOR GENERATING A CARRIER SIGNAL COUPLED TO THE UNIDIRECTIONAL CONDUCTION DEVICE, A MEANS FOR PASSING A MODULATED CARRIER SIGNAL FROM UNIDIRECTIONAL CONDUCTION DEVICE, AN OUTPUT CIRCUIT COUPLED TO SAID MEANS FOR PASSING THE MODULATED CARRIER SIGNAL, A DE-MODULATION MEANS COUPLED TO THE OUTPUT CIRCUIT, AND A NEGATIVE FEEDBACK PATH FOR PASSING AUDIO SIGNALS FROM DE-MODULATION MEANS TO THE TRANSISTOR.
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) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |