Patent US3360741A successfully refreshed from Google Patents.
US3360741A
Expired / Lapsed
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Coaxial cavity resonator phase comparator for automatic frequency control system
Assignee: International Standard Electric Corp
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Filing: 1966-06-30
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Granted: 1967-12-26
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Expires: 1986-06-30
Abstract
No abstract record available.
Inventors
- 👤 Kuhn Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:50
CPC Classifications
H; H03; H03D; H03D9/00; H03D9/02; H03D9/04; H03D13/00; H03D13/007; H03D13/009
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A PHASE COMPARATOR FOR COMPARING THE PHASE OF AN OSCILLATOR SIGNAL HAVING A GIVEN FREQUENCY AND A REFERENCE SIGNAL HAVING SAID GIVEN FREQUENCY COMPRISING: A RESONATOR MEANS HAVING A RESONANT FREQUENCY EQUAL TO SAID GIVEN FREQUENCY; AN INDUCTIVE COUPLING LOOP MEANS HAVING TWO OUTPUT TERMINALS TO COUPLED TWO SIGNALS PHASE SHIFTED 180 DEGREES WITH RESPECT TO EACH OTHER FROM SAID RESONATOR, AND AN ELECTRIC CENTER POINT TO COUPLE SAID REFERENCE SIGNAL TO SAID LOOP MEANS; AND MEANS COUPLED TO SAID TWO OUTPUT TERMINALS TO PRODUCE A CONTROL SIGNAL PROPORTIONAL TO THE PHASE RELATIONSHIP BETWEEN SAID TWO OUTPUT SIGNALS WITH RESPECT TO SAID CENTER POINT.
Claim 2
Dependent Claim
104 words
A PHASE COMPARATOR FOR COMPARING THE PHASE OF AN OSCILLATOR SIGNAL HAVING A GIVEN FREQUENCY AND A REFERENCE SIGNAL HAVING SAID GIVEN FREQUENCY COMPRISING: A RESONATOR MEANS HAVING A RESONANT FREQUENCY EQUAL TO SAID GIVEN FREQUENCY; AN INDUCTIVE COUPLING LOOP MEANS HAVING TWO OUTPUT TERMINALS TO COUPLED TWO SIGNALS PHASE SHIFTED 180 DEGREES WITH RESPECT TO EACH OTHER FROM SAID RESONATOR, AND AN ELECTRIC CENTER POINT TO COUPLE SAID REFERENCE SIGNAL TO SAID LOOP MEANS; AND MEANS COUPLED TO SAID TWO OUTPUT TERMINALS TO PRODUCE A CONTROL SIGNAL PROPORTIONAL TO THE PHASE RELATIONSHIP BETWEEN SAID TWO OUTPUT SIGNALS WITH RESPECT TO SAID CENTER POINT.
References Cited (Backward Citations)
US2476311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |