US3254341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Systems for calculating the coordinates of a point at the surface of the earth
Assignee: Thales SA
•
Filing: 1962-10-17
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Granted: 1966-05-31
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Expires: 1982-10-17
Abstract
No abstract record available.
Inventors
- 👤 Broussaud Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:01
CPC Classifications
G; G01; G01S; G01S11/00; G01S11/02; G01S11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A DEVICE FOR DETERMINING THE COORDINGATES OF A VEHICLE AT THE SURFACE OF THE EARTH COMPRISING: CARRIED BY AN ARTIFICAL SATELLITE, A TRANSMITTER FOR GENERATING ULTRA-HIGH FREQUENCY ENERGY, A FIRST STABILIZED CLOCK FOR MODULATING AND CONTROLLING SAID TRANSMITTER, AND A FIRST AERIAL FOR RADIATING THE GENERATED U.H.F. ENERGY; CARRIED BY THE VEHICLE, A SECOND AERIAL FOR RECEIVING SAID ENERGY, A LOCAL OSCILLATOR GENERATING A LOCAL WAVE, A SECOND STABILIZED CLOCK SYNCHRONIZED WITH SAID FIRST CLOCK FOR CONTROLLING SAID OSCILLATOR, A MIXER FOR MIXING SAID ENERGY AND SAID LOCAL WAVE, A METER COUPLED TO SAID MIXER FOR MEASURING THE DOPPLER EFFECT BETWEEN SAID LOCAL WAVE AND SAID ENERGY, MEANS CONTROLED BY SAID FIRST AND SAID SECOND CLOCK RESPECTIVELY FOR CYCLICALLY MODULATING IN SYNCHRONISM SAID TRANSMITTER AND SAID LOCAL OSCILLATOR, AND MEANS CARRIED BY THE VEHICLE FOR MEASURING THE PHASE-SHIFT BETWEEN SAID MODULATING MEANS.
Claim 2
Independent Claim
142 words
A DEVICE FOR DETERMINING THE COORDINGATES OF A VEHICLE AT THE SURFACE OF THE EARTH COMPRISING: CARRIED BY AN ARTIFICAL SATELLITE, A TRANSMITTER FOR GENERATING ULTRA-HIGH FREQUENCY ENERGY, A FIRST STABILIZED CLOCK FOR MODULATING AND CONTROLLING SAID TRANSMITTER, AND A FIRST AERIAL FOR RADIATING THE GENERATED U.H.F. ENERGY; CARRIED BY THE VEHICLE, A SECOND AERIAL FOR RECEIVING SAID ENERGY, A LOCAL OSCILLATOR GENERATING A LOCAL WAVE, A SECOND STABILIZED CLOCK SYNCHRONIZED WITH SAID FIRST CLOCK FOR CONTROLLING SAID OSCILLATOR, A MIXER FOR MIXING SAID ENERGY AND SAID LOCAL WAVE, A METER COUPLED TO SAID MIXER FOR MEASURING THE DOPPLER EFFECT BETWEEN SAID LOCAL WAVE AND SAID ENERGY, MEANS CONTROLED BY SAID FIRST AND SAID SECOND CLOCK RESPECTIVELY FOR CYCLICALLY MODULATING IN SYNCHRONISM SAID TRANSMITTER AND SAID LOCAL OSCILLATOR, AND MEANS CARRIED BY THE VEHICLE FOR MEASURING THE PHASE-SHIFT BETWEEN SAID MODULATING MEANS.
References Cited (Backward Citations)
US2838753A
Cited
US2947985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |