US3322972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High current negative resistance transistor circuits utilizing avalanche diodes
Assignee: Motorola Solutions Inc
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Filing: 1964-10-08
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Granted: 1967-05-30
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Expires: 1984-10-08
Abstract
No abstract record available.
Inventors
- 👤 Csanky Geza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:26
CPC Classifications
H; H03; H03B; H03B7/00; H03B7/02; H03B7/06; G; G05; G05F; G05F3/00; G05F3/02; G05F3/08; G05F3/10; G05F3/16; G05F3/18; G05F3/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A NAGATIVE RESISTANCE CIRCUIT INCLUDING IN COMBINATION, A FIRST TRANSISTOR HAVING INPUT, OUTPUT AND CONTROL ELECTRODES, INPUT TERMINAL MEANS, MEANS FOR CONNECTING THE INPUT AND OUTPUT ELECTRODES OF SAID FIRST TRANSISTOR IN SERIES BETWEEN A LOAD AND SAID INPUT TERMINAL MEANS, A SECOND TRANSISTOR HAVING INPUT, OUTPUT AND CONTROL ELECTRODES, MEANS CONNECTING THE OUTPUT ELECTRODE OF SAID SECOND TRANSISTOR TO THE CONTROL ELECTRODE OF SAID FIRST TRANSISTOR, A FIRST AVALANCHE DIODE AND A FIRST RESISTANCE MEANS CONNECTED IN SERIES BETWEEN SAID INPUT TERMINALS MEANS AND A REFERENCE POINT, WITH THE JUNCTION OF SAID FIRST AVALANCHE DIODE AND SAID FIRST RESISTANCE MEANS CONNECTED TO THE CONTROL ELECTRODE OF SAID SECOND TRANSISTOR, SECOND
Claim 2
Dependent Claim
111 words
A NAGATIVE RESISTANCE CIRCUIT INCLUDING IN COMBINATION, A FIRST TRANSISTOR HAVING INPUT, OUTPUT AND CONTROL ELECTRODES, INPUT TERMINAL MEANS, MEANS FOR CONNECTING THE INPUT AND OUTPUT ELECTRODES OF SAID FIRST TRANSISTOR IN SERIES BETWEEN A LOAD AND SAID INPUT TERMINAL MEANS, A SECOND TRANSISTOR HAVING INPUT, OUTPUT AND CONTROL ELECTRODES, MEANS CONNECTING THE OUTPUT ELECTRODE OF SAID SECOND TRANSISTOR TO THE CONTROL ELECTRODE OF SAID FIRST TRANSISTOR, A FIRST AVALANCHE DIODE AND A FIRST RESISTANCE MEANS CONNECTED IN SERIES BETWEEN SAID INPUT TERMINALS MEANS AND A REFERENCE POINT, WITH THE JUNCTION OF SAID FIRST AVALANCHE DIODE AND SAID FIRST RESISTANCE MEANS CONNECTED TO THE CONTROL ELECTRODE OF SAID SECOND TRANSISTOR, SECOND
References Cited (Backward Citations)
US3047667A
Cited
US3223849A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-29 | 1970-11-28 | 1971-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-29 | 1974-11-28 | 1975-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-29 | 1978-11-28 | 1979-05-30 | $7700.00 | Window Closed / Lapsed |