US3284724A
Expired / Lapsed
US
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Oscillator with feedback bias amplitude stabilization
Assignee: Robertshaw Controls Co
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Filing: 1963-10-14
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Granted: 1966-11-08
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Expires: 1983-10-14
Abstract
No abstract record available.
Inventors
- 👤 Marlow Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:56
CPC Classifications
H; H04; H04L; H04L1/00; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/53; H02M7/537; H02M7/5383; H02M7/53832; H02M7/53835; H03; H03L; H03L5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
AN OSCILLATOR CIRCUIT ENERGIZED FROM A D.C. POWER SUPPLY AND PROVIDING A CONTROLLED AMPLITUDE OUTPUT SIGNAL COMPRISING: A TRANSISTOR HAVING AN EMITTER, BASE AND COLLECTOR; A TANK CIRCUIT CONNECTED TO SAID COLLECTOR AND THE D.C. POWER SUPPLY; A SERIES CIRCUIT PORTION CONNECTED ACROSS SAID BASE AND EMITTER INCLUDING (A) A D.C. CONSTANT VOLTAGE SOURCE DERIVED FROM THE D.C. POWER SUPPLY, (B) A RESISTOR, AND
Claim 2
Dependent Claim
64 words
AN OSCILLATOR CIRCUIT ENERGIZED FROM A D.C. POWER SUPPLY AND PROVIDING A CONTROLLED AMPLITUDE OUTPUT SIGNAL COMPRISING: A TRANSISTOR HAVING AN EMITTER, BASE AND COLLECTOR; A TANK CIRCUIT CONNECTED TO SAID COLLECTOR AND THE D.C. POWER SUPPLY; A SERIES CIRCUIT PORTION CONNECTED ACROSS SAID BASE AND EMITTER INCLUDING (A) A D.C. CONSTANT VOLTAGE SOURCE DERIVED FROM THE D.C. POWER SUPPLY, (B) A RESISTOR, AND
References 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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |