US3344263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analog dividing circuit with a dual emitter transistor used as a ratio detector
Assignee: —
•
Filing: —
•
Granted: 1967-09-26
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Expires: 1984-09-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:44
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/16; G06G7/163; H; H10; H10D; H10D62/00; H10D62/10; H10D62/13; H10D62/133; H10D62/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A RATIO DETECTOR COMPRISING A SEMICONDUCTOR BODY COMPRISING A FIRST ZONE OF ONE CONDUCTIVITY TYPE SEPARATED FROM A SECOND ZONE OF OPPOSITE CONDUCTIVITY TYPE BY A JUNCTION, THIRD AND FOURTH ZONES OF SAID ONE CONDUCTIVITY TYPE SEPARATED FROM SAID FIRST ZONE AND FROM EACH OTHER BY SAID SECOND ZONE, MEANS FOR APPLYING A FIRST CURRENT BETWEEN SAID FIRST AND SECOND ZONES, MEANS FOR APPLYING A SECOND CURRENT BETWEEN SAID THIRD AND FOURTH ZONES, AND MEAND FOR DETECTING THE OUTPUT VOLTAGE BETWEEN SAID THIRD AND FOURTH ZONES, SAID VOLTAGE BEING PROPORTIONAL TO THE RATION OF SAID SECOND AND FIRST CURRENTS.
Claim 2
Dependent Claim
99 words
A RATIO DETECTOR COMPRISING A SEMICONDUCTOR BODY COMPRISING A FIRST ZONE OF ONE CONDUCTIVITY TYPE SEPARATED FROM A SECOND ZONE OF OPPOSITE CONDUCTIVITY TYPE BY A JUNCTION, THIRD AND FOURTH ZONES OF SAID ONE CONDUCTIVITY TYPE SEPARATED FROM SAID FIRST ZONE AND FROM EACH OTHER BY SAID SECOND ZONE, MEANS FOR APPLYING A FIRST CURRENT BETWEEN SAID FIRST AND SECOND ZONES, MEANS FOR APPLYING A SECOND CURRENT BETWEEN SAID THIRD AND FOURTH ZONES, AND MEAND FOR DETECTING THE OUTPUT VOLTAGE BETWEEN SAID THIRD AND FOURTH ZONES, SAID VOLTAGE BEING PROPORTIONAL TO THE RATION OF SAID SECOND AND FIRST CURRENTS.
References Cited (Backward Citations)
US2910634A
Cited
US3264533A
Cited
US3230398A
Cited
US3210621A
Cited
US3205348A
Cited
US3152250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |