US3344358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase-lock system responsive to very low frequency input signals
Assignee: Dynalectron Corp
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Filing: 1964-06-12
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Granted: 1967-09-26
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Expires: 1984-06-12
Abstract
No abstract record available.
Inventors
- 👤 William M Riker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:49
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A PHASE CONTROL SYSTEM FOR RESPONDING TO AN INPUT SIGNAL HAVING A RELATIVELY LOW FREQUENCY FY, A VOLTAGECONTROLLED OSCILLATOR OPERABLE AT A FREQUENCY EQUAL TO THE DIFFERENCE BETWEEN A FIXED RELATIVELY HIGH FREQUENCY AND A RELATIVELY LOW FREQUENCY FZ, PHASE DETECTOR MEANS COUPLED TO SAID VOLTAGE-CONTROLLED OSCILLATOR, MEANS RESPONSIVE TO SAID INPUT SIGNAL AND A SIGNAL FROM SAID VOLTAGECONTROLLED OSCILLATOR FOR APPLYING SIGNALS TO SAID PHASE DETECTOR MEANS FOR DEVELOPING IN THE OUTPUT THEREOF A FIRST COMPONENT AT A FREQUENCY OF FZ MINUS FY AND A SECOND COMPONENT AT A FREQUENCY OF FZ PLUS FY, AND MEANS FOR DEVELOPING AND APPLYING A SIGNAL IN SAID OUTPUT OF SAID PHASE DETECTOR MEANS IN PHASE OPPOSITE TO SAID SECOND COMPONENT TO EFFECT SUBSTANTIAL CANCELLATION THEREOF.
Claim 2
Dependent Claim
124 words
IN A PHASE CONTROL SYSTEM FOR RESPONDING TO AN INPUT SIGNAL HAVING A RELATIVELY LOW FREQUENCY FY, A VOLTAGECONTROLLED OSCILLATOR OPERABLE AT A FREQUENCY EQUAL TO THE DIFFERENCE BETWEEN A FIXED RELATIVELY HIGH FREQUENCY AND A RELATIVELY LOW FREQUENCY FZ, PHASE DETECTOR MEANS COUPLED TO SAID VOLTAGE-CONTROLLED OSCILLATOR, MEANS RESPONSIVE TO SAID INPUT SIGNAL AND A SIGNAL FROM SAID VOLTAGECONTROLLED OSCILLATOR FOR APPLYING SIGNALS TO SAID PHASE DETECTOR MEANS FOR DEVELOPING IN THE OUTPUT THEREOF A FIRST COMPONENT AT A FREQUENCY OF FZ MINUS FY AND A SECOND COMPONENT AT A FREQUENCY OF FZ PLUS FY, AND MEANS FOR DEVELOPING AND APPLYING A SIGNAL IN SAID OUTPUT OF SAID PHASE DETECTOR MEANS IN PHASE OPPOSITE TO SAID SECOND COMPONENT TO EFFECT SUBSTANTIAL CANCELLATION THEREOF.
References Cited (Backward Citations)
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 |