Patent US3336534A successfully refreshed from Google Patents.
US3336534A
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Multi-phase detector and keyed-error detector phase-locked-loop
Assignee: Raytheon Co
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Filing: 1965-02-08
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Granted: 1967-08-15
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Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 Norman P Gluth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:06
CPC Classifications
H; H04; H04L; H04L27/00; H04L27/18; H04L27/22; H03; H03L; H03L7/00; H03L7/06; H03L7/08; H03L7/085; H03L7/087; H04L27/227; H04L27/2271; H04L27/2272
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
AN APPARATUS FOR RECEIVING N-PHASE DATA OF PREDETERMINED FREQUENCY, N BEING AN ODD INTEGER NO LESS THAN THREE, SAID APPARATUS COMPRISING MEANS INCLUDING A VOLTAGE CONTROLLED OSCILLATOR FOR PROVIDING A REFERENCE SIGNAL OF A FREQUENCY EQUAL TO SAID PREDETERMINED FREQUENCY; MEANS INCLUDING N PHASE DETECTORS EACH RESPONSIVE TO SAID N-PHASE DATA OF PREDETERMINED FREQUENCY AND SAID REFERENCE SIGNAL FOR PRODUCING A PHASE PLANE BETWEEN EACH OF SAID N PHASES OF SAID DATA THEREBY DEFINING N SECTORS AND PRODUCING AN ERROR SIGNAL TO EACH PHASE OF SAID N-PHASE DATA OF PREDETERMINED FREQUENCY; MEANS INCLUDING A LEVEL DETECTOR RESPONSIVE TO EACH OF SAID PHASE
Claim 2
Independent Claim
102 words
AN APPARATUS FOR RECEIVING N-PHASE DATA OF PREDETERMINED FREQUENCY, N BEING AN ODD INTEGER NO LESS THAN THREE, SAID APPARATUS COMPRISING MEANS INCLUDING A VOLTAGE CONTROLLED OSCILLATOR FOR PROVIDING A REFERENCE SIGNAL OF A FREQUENCY EQUAL TO SAID PREDETERMINED FREQUENCY; MEANS INCLUDING N PHASE DETECTORS EACH RESPONSIVE TO SAID N-PHASE DATA OF PREDETERMINED FREQUENCY AND SAID REFERENCE SIGNAL FOR PRODUCING A PHASE PLANE BETWEEN EACH OF SAID N PHASES OF SAID DATA THEREBY DEFINING N SECTORS AND PRODUCING AN ERROR SIGNAL TO EACH PHASE OF SAID N-PHASE DATA OF PREDETERMINED FREQUENCY; MEANS INCLUDING A LEVEL DETECTOR RESPONSIVE TO EACH OF SAID PHASE
References Cited (Backward Citations)
US3181122A
Cited
US3238459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |