US3205494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miss-distance indicator
Assignee: Sud Aviation Societe Nationale de Constructions Aerdnaettiques
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Filing: 1962-01-31
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Granted: 1965-09-07
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Expires: 1982-01-31
Abstract
No abstract record available.
Inventors
- 👤 Robert Andre
- 👤 Parrot Albert Antoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:50
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/74; G01S13/82; G01S1/00; G01S1/02; G01S13/02; G01S13/50; G01S13/505
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A MISS-DISTANCE INDICATOR FOR MEASURING, AT A GIVEN POINT, THE DISTANCE BETWEEN TWO BODIES OF WHICH ONE AT LEAST IS IN MOTION, COMPRISING, IN COMBINATION, ON ONE OF SAID BODIES, A TRANSPONDER WHICH IS SENSITIVE TO A DETERMINATE FREQUENCY WHTHIN THE RANGE OF THE ULTRA HIGH FREQUANTIES; ON THE OTHER BODY, AN ULTRA-HIGH FREQUENCY OSCILLATOR EMITTING WAVES OF A FREQUENCY EQUAL TO SAID DETERMINATE FREQUENCY, A RECEIVING/TRANSMITTING ANTENNA CONNECTED TO SAID ULTRA-HIGH FREQUENCY OSCILLATOR, A HIGH FREQUENCY OSCILLATOR, MEANS CONNECTED TO SAID ANTENNA FOR DETECTING THE DOPPLER BEAT FREQUENCY BETWEEN THE SIGNALS EMITTED BY SAID ULTRA-HIGH FREQUENCY OSCILLATOR AND THE ECHO SIGNALS FROM THE TRANSPONDER, MEANS FOR AMPLITUDEMODULATING WITH THE DOPPLER BEAT DETECTION VOLTAGE THE SIGNALS EMITTED BY SAID HIGH FREQUENCY OSCILLAOR, AND MEANS FOR AMPLITUDE-MODULATING WITH SAID HIGH FREQUENCY OSCILLATOR THE SIGNALS EMITTED BY SAID ULTRA-HIGH FREQUENCY
Claim 2
Dependent Claim
138 words
A MISS-DISTANCE INDICATOR FOR MEASURING, AT A GIVEN POINT, THE DISTANCE BETWEEN TWO BODIES OF WHICH ONE AT LEAST IS IN MOTION, COMPRISING, IN COMBINATION, ON ONE OF SAID BODIES, A TRANSPONDER WHICH IS SENSITIVE TO A DETERMINATE FREQUENCY WHTHIN THE RANGE OF THE ULTRA HIGH FREQUANTIES; ON THE OTHER BODY, AN ULTRA-HIGH FREQUENCY OSCILLATOR EMITTING WAVES OF A FREQUENCY EQUAL TO SAID DETERMINATE FREQUENCY, A RECEIVING/TRANSMITTING ANTENNA CONNECTED TO SAID ULTRA-HIGH FREQUENCY OSCILLATOR, A HIGH FREQUENCY OSCILLATOR, MEANS CONNECTED TO SAID ANTENNA FOR DETECTING THE DOPPLER BEAT FREQUENCY BETWEEN THE SIGNALS EMITTED BY SAID ULTRA-HIGH FREQUENCY OSCILLATOR AND THE ECHO SIGNALS FROM THE TRANSPONDER, MEANS FOR AMPLITUDEMODULATING WITH THE DOPPLER BEAT DETECTION VOLTAGE THE SIGNALS EMITTED BY SAID HIGH FREQUENCY OSCILLAOR, AND MEANS FOR AMPLITUDE-MODULATING WITH SAID HIGH FREQUENCY OSCILLATOR THE SIGNALS EMITTED BY SAID ULTRA-HIGH FREQUENCY
References Cited (Backward Citations)
US2992422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |