US3127574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Biasing circuits for voltage controlled negative resistance diodes
Assignee: RCA Corp
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Filing: 1959-07-07
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Granted: 1964-03-31
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Expires: 1979-07-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry S Sommers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:03
CPC Classifications
H; H03; H03B; H03B7/00; H03B7/12; H03B7/14; H03B7/02; H03B7/06; H03B7/08; H03F; H03F3/00; H03F3/04; H03F3/10; H03F3/12; H03K; H03K3/00; H03K3/02; H03K3/313; H03K3/315
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN AN ELECTRICAL CIRCUIT, A VOLTAGE CONTROLLED NEGATIVE RESISTANCE DEVICE, AN OPERATING CIRCUIT COUPLED TO SAID DEVICE, BIASING CIRCUIT MEANS INCLUDING A RESISTANCE ELEMENT HAVING A POSITIVE RESISTANCE WHICH IS LESS THAN THE ABSOLUTE VALUE OF NEGATIVE RESISTANCE OF SAID DEVICE FOR BIASING SAID DEVICE TO EXHIBIT A STABLE NEGATIVE RESISTANCE TO SAID OPERATING CIRCUIT, AND MEANS CONNECTING SAID RESISTANCE ELEMENT ACROSS SAID DEVICE THROUGH AT LEAST A PORTION OF SAID OPERATING CIRCUIT.
Claim 2
Dependent Claim
73 words
IN AN ELECTRICAL CIRCUIT, A VOLTAGE CONTROLLED NEGATIVE RESISTANCE DEVICE, AN OPERATING CIRCUIT COUPLED TO SAID DEVICE, BIASING CIRCUIT MEANS INCLUDING A RESISTANCE ELEMENT HAVING A POSITIVE RESISTANCE WHICH IS LESS THAN THE ABSOLUTE VALUE OF NEGATIVE RESISTANCE OF SAID DEVICE FOR BIASING SAID DEVICE TO EXHIBIT A STABLE NEGATIVE RESISTANCE TO SAID OPERATING CIRCUIT, AND MEANS CONNECTING SAID RESISTANCE ELEMENT ACROSS SAID DEVICE THROUGH AT LEAST A PORTION OF SAID OPERATING CIRCUIT.
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) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |