US3119064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quadrature phase detector employing transistor switching means
Assignee: Raytheon Co
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Filing: 1961-12-01
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Granted: 1964-01-21
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Expires: 1981-12-01
Abstract
No abstract record available.
Inventors
- 👤 Donuil A Hillis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:24
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/68; H03D; H03D1/00; H03D1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A QUADRATURE PHASE DETECTOR FOR DETERMINING THE PHASE OF A FIRST ALTERNATING SIGNAL FROM A FIRST SOURCE OF SIGNALS RELATIVE TO THE PHASE OF A SECOND ALTERNATING SIGNAL FROM A SECOND SOURCE OF SIGNALS COMPRISING FIRST AND SECOND TRANSISTORS EACH HAVING AN EMITTER, A COLLECTOR AND A BASE WITH THE EMITTERS OF SAID FIRST AND SECOND TRANSISTORS COUPLED TOGETHER AND THE COLLECTOR OF SAID FIRST TRANSISTOR COUPLED TO THE FIRST SOURCE OF SIGNALS, CAPACITOR MEANS COUPLED TO THE COLLECTOR OF SAID SECOND TRANSISTOR, BIAS MEANS COUPLED TO THE BASES OF SAID FIRST AND SECOND TRANSISTORS AND TO THE EMITTERS OF SAID FIRST AND SECOND TRANSISTORS, A FIRST DIODE COUPLED BETWEEN THE EMITTER AND COLLECTOR OF SAID FIRST TRANSISTOR, A SECOND DIODE COUPLED BETWEEN THE EMITTER AND COLLECTOR OF SAID SECOND TRANSISTOR, SAID FIRST AND SECOND TRANSISTORS AND SAID FIRST AND SECOND DIODES PROVIDING A SWITCH FOR PASSING CURRENT IN EITHER A FIRST OR A SECOND DIRECTION WHEN SWITCHED INTO
Claim 2
Dependent Claim
159 words
A QUADRATURE PHASE DETECTOR FOR DETERMINING THE PHASE OF A FIRST ALTERNATING SIGNAL FROM A FIRST SOURCE OF SIGNALS RELATIVE TO THE PHASE OF A SECOND ALTERNATING SIGNAL FROM A SECOND SOURCE OF SIGNALS COMPRISING FIRST AND SECOND TRANSISTORS EACH HAVING AN EMITTER, A COLLECTOR AND A BASE WITH THE EMITTERS OF SAID FIRST AND SECOND TRANSISTORS COUPLED TOGETHER AND THE COLLECTOR OF SAID FIRST TRANSISTOR COUPLED TO THE FIRST SOURCE OF SIGNALS, CAPACITOR MEANS COUPLED TO THE COLLECTOR OF SAID SECOND TRANSISTOR, BIAS MEANS COUPLED TO THE BASES OF SAID FIRST AND SECOND TRANSISTORS AND TO THE EMITTERS OF SAID FIRST AND SECOND TRANSISTORS, A FIRST DIODE COUPLED BETWEEN THE EMITTER AND COLLECTOR OF SAID FIRST TRANSISTOR, A SECOND DIODE COUPLED BETWEEN THE EMITTER AND COLLECTOR OF SAID SECOND TRANSISTOR, SAID FIRST AND SECOND TRANSISTORS AND SAID FIRST AND SECOND DIODES PROVIDING A SWITCH FOR PASSING CURRENT IN EITHER A FIRST OR A SECOND DIRECTION WHEN SWITCHED INTO
References Cited (Backward Citations)
US2862180A
Cited
US2907932A
Cited
US3005151A
Cited
US3013162A
Cited
US3042872A
Cited
US2984786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |