US3246256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscillator circuit with series connected negative resistance elements for enhanced power output
Assignee: RCA Corp
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Filing: 1964-06-08
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Granted: 1966-04-12
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Expires: 1984-06-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry S Sommers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:03
CPC Classifications
H; H03; H03B; H03B7/00; H03B7/12; H03B7/14; H03B7/02; H03B7/06; H03B7/08; H10; H10D; H10D99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
AN OSCILLATION GENERATOR COMPRISING IN COMBINATION A PLURALITY OF SERIALLY CONNECTED NEGATIVE RESISTANCE DEVICES, REACTIVE CIRCUIT MEANS COUPLED ACROSS SAID SERIALLY CONNECTED NEGATIVE RESISTANCE DEVICES TO PROVIDE A RESONANT CIRCUIT, AND MEANS PROVIDING A BIASING SOURCE COUPLED ACROSS SAID PLURALITY OF NEGATIVE RESISTANCE DEVICES TO BIAS AT LEAST ONE OF SAID DEVICES IN THE NEGATIVE RESISTANCE PORTION OF ITS CHARACTERISTIC, SAID BIAS MEANS INCLUDING A SINGLE RESISTOR CONNECTED ACROSS SAID SERIALLY CONNECTED NEGATIVE RESISTANCE DEVICES AND HAVING A POSITIVE RESISTANCE THE ABSOLUTE VALUE OF WHICH IS LESS THAN THE ABSOLUTE VALUE OF NEGATIVE RESISTANCE EXHIBITED BY ANY OF SAID NEGATIVE RESISTANCE DEVICES.
Claim 2
Dependent Claim
102 words
AN OSCILLATION GENERATOR COMPRISING IN COMBINATION A PLURALITY OF SERIALLY CONNECTED NEGATIVE RESISTANCE DEVICES, REACTIVE CIRCUIT MEANS COUPLED ACROSS SAID SERIALLY CONNECTED NEGATIVE RESISTANCE DEVICES TO PROVIDE A RESONANT CIRCUIT, AND MEANS PROVIDING A BIASING SOURCE COUPLED ACROSS SAID PLURALITY OF NEGATIVE RESISTANCE DEVICES TO BIAS AT LEAST ONE OF SAID DEVICES IN THE NEGATIVE RESISTANCE PORTION OF ITS CHARACTERISTIC, SAID BIAS MEANS INCLUDING A SINGLE RESISTOR CONNECTED ACROSS SAID SERIALLY CONNECTED NEGATIVE RESISTANCE DEVICES AND HAVING A POSITIVE RESISTANCE THE ABSOLUTE VALUE OF WHICH IS LESS THAN THE ABSOLUTE VALUE OF NEGATIVE RESISTANCE EXHIBITED BY ANY OF SAID NEGATIVE RESISTANCE DEVICES.
References Cited (Backward Citations)
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US3127574A
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US3112454A
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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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |