US3079562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature-stabilized and distortionless semiconductor detector
Assignee: Collins Radio Co
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Filing: 1958-01-23
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Granted: 1963-02-26
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Expires: 1978-01-23
Abstract
No abstract record available.
Inventors
- 👤 William S Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:20
CPC Classifications
H; H03; H03D; H03D1/00; H03D1/14; H03D1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A TEMPERATURE-STABILIZED DETECTOR CIRCUIT COMPRISING A TETRODE TRANSISTOR HAVING A PAIR OF BASES, A COLLECTOR AND AN EMITTER; A SIGNAL-COUPLING TRANSFORMER HAVING A SECONDARY, WITH THE OPPOSITE ENDS OF SAID SECONDARY CONNECTED RESPECTIVELY TO SAID PAIR OF BASES, IMPEDANCE MEANS CONNECTED BETWEEN A BIAS SOURCE AND SAID COLLECTOR, A VOLTAGE DIVIDER HAVING AN INTERMEDIATE POINT CONNECTED TO SAID SECONDARY TO PROVIDE A BIAS ON SAID PAIR OF BASES OVERCOMING THE ENERGY GAP POTENTIAL OF SAID TRANSISTOR, AND MEANS CONNECTING THE EMITTER OF SAID TRANSISTOR TO GROUND.
Claim 2
Dependent Claim
86 words
A TEMPERATURE-STABILIZED DETECTOR CIRCUIT COMPRISING A TETRODE TRANSISTOR HAVING A PAIR OF BASES, A COLLECTOR AND AN EMITTER; A SIGNAL-COUPLING TRANSFORMER HAVING A SECONDARY, WITH THE OPPOSITE ENDS OF SAID SECONDARY CONNECTED RESPECTIVELY TO SAID PAIR OF BASES, IMPEDANCE MEANS CONNECTED BETWEEN A BIAS SOURCE AND SAID COLLECTOR, A VOLTAGE DIVIDER HAVING AN INTERMEDIATE POINT CONNECTED TO SAID SECONDARY TO PROVIDE A BIAS ON SAID PAIR OF BASES OVERCOMING THE ENERGY GAP POTENTIAL OF SAID TRANSISTOR, AND MEANS CONNECTING THE EMITTER OF SAID TRANSISTOR TO GROUND.
References Cited (Backward Citations)
US2778956A
Cited
US2870413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |