US3083336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct reading, 360 degree phase meter
Assignee: Teledyne Ryan Aeronautical Corp
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Filing: 1960-07-12
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Granted: 1963-03-26
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Expires: 1980-07-12
Abstract
No abstract record available.
Inventors
- 👤 Poirier Jules Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:12
CPC Classifications
G; G01; G01R; G01R25/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A DIRECT READING, 360 DEGREE PHASE METER, COMPRISING: A SIGNAL INPUT OF SINE WAVE VOLTAGE OF KNOWN FREQUENCY AND UNKNOWN PHASE; A REFERENCE INPUT OF SINE WAVE VOLTAGE OF SIMILAR FREQUENCY AND KNOWN PHASE; PHASE SHIFTING MEANS CONNECTED TO SAID REFERENCE INPUT AND PROVIDING A 90 DEGREE PHASE SHIFTED VOLTAGE OF KNOWN PHASE; PHASE INVERTING MEANS CONNECTED TO SAID SIGNAL INPUT AND PROVIDING A 180 DEGREE PHASE SHIFTED VOLTAGE OF UNKNOWN PHASE; A FIRST PHASE COMPARATOR CONNECTED TO RECEIVE AND COMPARE THE SIGNAL VOLTAGE, THE 180 DEGREE PHASE SHIFTED VOLTAGE AND THE 90 DEGREE PHASE SHIFTED VOLTAGE; SAID PHASE COMPARATOR PROVIDING A FIRST D.C. OUTPUT VOLTAGE VARYING IN POLARITY AND AMPLITUDE RELATIVE TO THE PHASE DIFFERENCE OF THE COMPARED VOLTAGES; A SECOND PHASE COMPARATOR CONNECTED TO RECEIVE AND COMPARE THE REFERENCE VOLTAGE, THE SIGNAL VOLTAGE AND THE 180 DEGREE PHASE SHIFTED VOLTAGE; SAID SECOND PHASE COMPARATOR PROVIDING A SECOND D.C. OUTPUT VOLTAGE VARYING IN POLARITY RELATIVE TO THE PHASE DIFFERENCE OF THE COM-
Claim 2
Dependent Claim
163 words
A DIRECT READING, 360 DEGREE PHASE METER, COMPRISING: A SIGNAL INPUT OF SINE WAVE VOLTAGE OF KNOWN FREQUENCY AND UNKNOWN PHASE; A REFERENCE INPUT OF SINE WAVE VOLTAGE OF SIMILAR FREQUENCY AND KNOWN PHASE; PHASE SHIFTING MEANS CONNECTED TO SAID REFERENCE INPUT AND PROVIDING A 90 DEGREE PHASE SHIFTED VOLTAGE OF KNOWN PHASE; PHASE INVERTING MEANS CONNECTED TO SAID SIGNAL INPUT AND PROVIDING A 180 DEGREE PHASE SHIFTED VOLTAGE OF UNKNOWN PHASE; A FIRST PHASE COMPARATOR CONNECTED TO RECEIVE AND COMPARE THE SIGNAL VOLTAGE, THE 180 DEGREE PHASE SHIFTED VOLTAGE AND THE 90 DEGREE PHASE SHIFTED VOLTAGE; SAID PHASE COMPARATOR PROVIDING A FIRST D.C. OUTPUT VOLTAGE VARYING IN POLARITY AND AMPLITUDE RELATIVE TO THE PHASE DIFFERENCE OF THE COMPARED VOLTAGES; A SECOND PHASE COMPARATOR CONNECTED TO RECEIVE AND COMPARE THE REFERENCE VOLTAGE, THE SIGNAL VOLTAGE AND THE 180 DEGREE PHASE SHIFTED VOLTAGE; SAID SECOND PHASE COMPARATOR PROVIDING A SECOND D.C. OUTPUT VOLTAGE VARYING IN POLARITY RELATIVE TO THE PHASE DIFFERENCE OF THE COM-
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |