Patent US6165120A successfully refreshed from Google Patents.
US3223943A
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Local oscillator controlling systems using quantizing means
Assignee: Thales SA
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Filing: 1962-06-21
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Granted: 1965-12-14
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Expires: 1982-06-21
Abstract
No abstract record available.
Inventors
- 👤 Dumaire Marc-Jean
- 👤 Vasseur Jean-Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:17
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/08; H03L7/14; H03L7/146; H03L7/148; H03J; H03J7/00; H03J7/02; H03J7/023; H03J7/04; H03J7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
AN AUTOMATIC FREQUENCY CONTROL SYSTEM FOR CONTROLLING THE PHASE OF A LOCAL OSCILLATOR BY THE PHASE OF AN INCIDENT SIGNAL, COMPRISING: MEANS FOR PROVIDING ERROR SIGNALS PROPORTIONAL TO THE INSTANTANEOUS PHASE DIFFERENCE BETWEEN SAID INCIDENT SIGNAL AND THE SIGNAL PROVIDED BY SAID LOCAL OSCILLATOR; ANALOG-TO-DIGITAL CONVERTER MEANS FOR CONVERTING INTO A QUANTIZED MAGNITUDE SAID ERROR SIGNALS AND STORING SAID MAGNITUDE, DIGITIAL-TO-ANALOG CONVERTER MEANS FOR CONVERTING SAID QUANTIZED MAGNITUDE INTO A SIGNAL FOR FREQUENCY CONTROLLING SAID LOCAL OSCILLATOR; AND MEANS RESPONSIVE TO THE AMPLITUDE OF SAID INCIDENT SIGNAL FOR BLOCKING SAID ANALOG-TO-DIGITAL CONVERTER ON ITS LAST
Claim 2
Dependent Claim
95 words
AN AUTOMATIC FREQUENCY CONTROL SYSTEM FOR CONTROLLING THE PHASE OF A LOCAL OSCILLATOR BY THE PHASE OF AN INCIDENT SIGNAL, COMPRISING: MEANS FOR PROVIDING ERROR SIGNALS PROPORTIONAL TO THE INSTANTANEOUS PHASE DIFFERENCE BETWEEN SAID INCIDENT SIGNAL AND THE SIGNAL PROVIDED BY SAID LOCAL OSCILLATOR; ANALOG-TO-DIGITAL CONVERTER MEANS FOR CONVERTING INTO A QUANTIZED MAGNITUDE SAID ERROR SIGNALS AND STORING SAID MAGNITUDE, DIGITIAL-TO-ANALOG CONVERTER MEANS FOR CONVERTING SAID QUANTIZED MAGNITUDE INTO A SIGNAL FOR FREQUENCY CONTROLLING SAID LOCAL OSCILLATOR; AND MEANS RESPONSIVE TO THE AMPLITUDE OF SAID INCIDENT SIGNAL FOR BLOCKING SAID ANALOG-TO-DIGITAL CONVERTER ON ITS LAST
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |