US3072862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single-stage transistor oscillator, particularly for communication systems
Assignee: Siemens SpA
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Filing: 1959-10-01
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Granted: 1963-01-08
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Expires: 1979-10-01
Abstract
No abstract record available.
Inventors
- 👤 Semeria Francesco
- 👤 Montagna Santo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:58
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/08; H03B5/12; H03B5/1231; H03B5/1203; H03B5/1296
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A SINGLE-STAGE OSCILLATOR, COMPRISING DIRECT-VOLTAGE SUPPLY MEANS, A TRANSISTOR HAVING A BASE CIRCUIT AND HAVING RESPECTIVE EMITTER AND COLLECTOR CIRCUITS SERIALLY CONNECTED ACROSS SAID VOLTAGE SUPPLY MEANS, AN INDUCTANCE COIL AND A CAPACITOR CONNECTED IN SERIES WITH EACH OTHER AND FORMING AN OSCILLATORY CIRCUIT CONNECTED WITH SAID EMITTER CIRCUIT, SAID COIL HAVING A SECONDARY WINDING CONNECTED IN SAID BASE CIRCUIT FOR PASSING A PHASE-REVERSED SIGNAL FROM SAID OSCILLATORY CIRCUIT TO SAID BASE CIRCUIT, PHASE CORRECTION MEANS CONNECTED IN SAID BASE CIRCUIT, IMPEDANCE MEANS CONNECTED IN SAID COLLECTOR CIRCUIT, AND OUTPUT TERMINALS CONNECTED WITH SAID COLLECTOR CIRCUIT TO FURNISH THE OSCILLATOR OUTPUT SIGNALS.
Claim 2
Dependent Claim
102 words
A SINGLE-STAGE OSCILLATOR, COMPRISING DIRECT-VOLTAGE SUPPLY MEANS, A TRANSISTOR HAVING A BASE CIRCUIT AND HAVING RESPECTIVE EMITTER AND COLLECTOR CIRCUITS SERIALLY CONNECTED ACROSS SAID VOLTAGE SUPPLY MEANS, AN INDUCTANCE COIL AND A CAPACITOR CONNECTED IN SERIES WITH EACH OTHER AND FORMING AN OSCILLATORY CIRCUIT CONNECTED WITH SAID EMITTER CIRCUIT, SAID COIL HAVING A SECONDARY WINDING CONNECTED IN SAID BASE CIRCUIT FOR PASSING A PHASE-REVERSED SIGNAL FROM SAID OSCILLATORY CIRCUIT TO SAID BASE CIRCUIT, PHASE CORRECTION MEANS CONNECTED IN SAID BASE CIRCUIT, IMPEDANCE MEANS CONNECTED IN SAID COLLECTOR CIRCUIT, AND OUTPUT TERMINALS CONNECTED WITH SAID COLLECTOR CIRCUIT TO FURNISH THE OSCILLATOR OUTPUT SIGNALS.
References Cited (Backward Citations)
US2382954A
Cited
US2878386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |