Patent US3263228A successfully refreshed from Google Patents.
US3263228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic frequency lock-on control system
Assignee: General Precision Inc
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Filing: 1964-06-03
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Granted: 1966-07-26
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Expires: 1984-06-03
Abstract
No abstract record available.
Inventors
- 👤 Richard L Abrahams
- 👤 Hubka Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:27
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/40; G01S7/4004; G01S7/4021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
264 words
A SYSTEM FOR TESTING RESPONSE OF A MICROWAVE RADIANT ENERGY RESPONSIVE DEVICE INCLUDING; A MICROWAVE RADIANT ENERGY RESPONSIVE DEVICE FOR GENERATING PULSED, COHERENT MICROWAVE RADIANT ENERGY SIGNALS AND INCLUDING MEANS FOR RADIATING SAID PULSED, COHERENT MICROWAVE ENERGY SIGNALS AND FOR RECEIVING AND RESPONDING TO REFLECTED RADIATED ENERGY SIGNALS, FROM A REMOTE SOURCE, TEST MEANS FOR GENERATING AND DRADIATING MICROWAVE RADIANT ENERGY TO SIMULATE REFLECTED RADIATED ENERGY FOR TESTING RESPONSE OF SAID MICROWAVE RADIANT ENERGY RESPONSIVE DEVICE, A REMOTE CONTROL-CIRCUIT FOR PROVIDING A CONTINUOUS CONTROL SIGNAL OF MICROWAVE ENERGY SYNCHRONIZED WITH THE CARRIER WAVE FREQUENCY OF SAID PULSED, COHERENT RADIATED ENERGY SIGNALS AND LOCKED-ON TO THE CARRIER WAVE, SAID CONTROL-CIRCUIT INCLUDING; MICROWAVE ENERGY MIXING MEANS FOR MIXING SAID PULSED, COHERENT MICROWAVE RADIATED ENERGY SIGNALS AND SAID CONTINUOUS CONTROL SIGNAL FOR PROVIDING A DIFFERENCE SIGNAL HAVING FREQUENCY AND PHASE SHIFT CHARACTERISTICS PROPORTIONAL TO THE FREQUENCY AND PHASE DIFFERENCE BETWEEN SAID CARRIER WAVE AND SAID CONTROL SINGAL AND PULSED AT A RATE OF SAID PULSED, COHERENT RADIATED ENERGY SIGNALS, MEANS FOR GENERATING A CONTINUOUS FIXED FREQUENCY SIGNAL, THE FREQUENCY OF WHICH IS SUBSTNATIALLY EQUAL TO THE FREQUENCY OF SAID DIFFERENCE SIGNAL, A SOURCE FOR PROVIDING A CONTINUOUS REFERENCE FREQUENCY SIGNAL, BALANCED MIXER MEANS FOR RECEIVING SAID FIXED FREQUENCY SIGNAL AND SAID REFERENCE FREQUENCY SIGNAL AND FOR PROVIDING A FIRST OUTPUT SIGNAL THE FREQUENCY OF WHICH IS A FUNCTION OF THE SUM FREQUENCIES OF SAID FIXED FREQUENCY AND SAID REFERENCE FREQUENCY SIGNALS AND FOR PROVIDING A SECOND OUTPUT SIGNAL THE FREQUENCY OF WHICH IS A FUNCTION OF THE DIFFERENCE FREQUENCY BETWEEN SAID FIXED FREQUENCY AND SAID REFERENCE FREQUENCY,
Claim 2
Independent Claim
264 words
A SYSTEM FOR TESTING RESPONSE OF A MICROWAVE RADIANT ENERGY RESPONSIVE DEVICE INCLUDING; A MICROWAVE RADIANT ENERGY RESPONSIVE DEVICE FOR GENERATING PULSED, COHERENT MICROWAVE RADIANT ENERGY SIGNALS AND INCLUDING MEANS FOR RADIATING SAID PULSED, COHERENT MICROWAVE ENERGY SIGNALS AND FOR RECEIVING AND RESPONDING TO REFLECTED RADIATED ENERGY SIGNALS, FROM A REMOTE SOURCE, TEST MEANS FOR GENERATING AND DRADIATING MICROWAVE RADIANT ENERGY TO SIMULATE REFLECTED RADIATED ENERGY FOR TESTING RESPONSE OF SAID MICROWAVE RADIANT ENERGY RESPONSIVE DEVICE, A REMOTE CONTROL-CIRCUIT FOR PROVIDING A CONTINUOUS CONTROL SIGNAL OF MICROWAVE ENERGY SYNCHRONIZED WITH THE CARRIER WAVE FREQUENCY OF SAID PULSED, COHERENT RADIATED ENERGY SIGNALS AND LOCKED-ON TO THE CARRIER WAVE, SAID CONTROL-CIRCUIT INCLUDING; MICROWAVE ENERGY MIXING MEANS FOR MIXING SAID PULSED, COHERENT MICROWAVE RADIATED ENERGY SIGNALS AND SAID CONTINUOUS CONTROL SIGNAL FOR PROVIDING A DIFFERENCE SIGNAL HAVING FREQUENCY AND PHASE SHIFT CHARACTERISTICS PROPORTIONAL TO THE FREQUENCY AND PHASE DIFFERENCE BETWEEN SAID CARRIER WAVE AND SAID CONTROL SINGAL AND PULSED AT A RATE OF SAID PULSED, COHERENT RADIATED ENERGY SIGNALS, MEANS FOR GENERATING A CONTINUOUS FIXED FREQUENCY SIGNAL, THE FREQUENCY OF WHICH IS SUBSTNATIALLY EQUAL TO THE FREQUENCY OF SAID DIFFERENCE SIGNAL, A SOURCE FOR PROVIDING A CONTINUOUS REFERENCE FREQUENCY SIGNAL, BALANCED MIXER MEANS FOR RECEIVING SAID FIXED FREQUENCY SIGNAL AND SAID REFERENCE FREQUENCY SIGNAL AND FOR PROVIDING A FIRST OUTPUT SIGNAL THE FREQUENCY OF WHICH IS A FUNCTION OF THE SUM FREQUENCIES OF SAID FIXED FREQUENCY AND SAID REFERENCE FREQUENCY SIGNALS AND FOR PROVIDING A SECOND OUTPUT SIGNAL THE FREQUENCY OF WHICH IS A FUNCTION OF THE DIFFERENCE FREQUENCY BETWEEN SAID FIXED FREQUENCY AND SAID REFERENCE FREQUENCY,
References Cited (Backward Citations)
US3088109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |