Patent US3243145A successfully refreshed from Google Patents.
US3243145A
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Space navigation systems
Assignee: Thales SA
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Filing: 1961-10-30
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Granted: 1966-03-29
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Expires: 1981-10-30
Abstract
No abstract record available.
Inventors
- 👤 Simon Jean-Claude
- 👤 Spitz Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:13
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01Q1/18; F; F41; F41G; F41G7/00; F41G7/20; F41G7/30; F41G7/301; F41G7/34; G; G01; G01S; G01S3/00; G01S3/02; G01S3/14; G01S3/46; G01S3/48; G06; G06G; G06G7/00; G06G7/48; G06G7/78
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
108 words
A NAVIGATION SYSTEM FOR SPACE VEHICLES COMPRISING IN COMBINATION: TWO AERIALS HAVING SUBSTANTIALLY THE SAME OPERATING FREQUENCY BAND, THE SAME RADIATION PATTERN AND RESPECTIVE OUTPUTS; THREE DB COUPLING MEANS HAVING TWO INPUT ARMS, RESPECTIVELY COUPLED TO SAID OUTPUTS OF SAID AREIALS, AND TWO OUTPUT ARMS; TWO SQUARE LAW DETECTORS RESPECTIVELY COUPLED TO SAID TWO OUTPUT ARMS AND HAVING RESPECTIVEW OUTPUTS FOR DELIVERING A CONTROL VOLTAGE AS A FUNCTION OF THE ANGLE BETWEEN THE SYMMETRY PLANE OF SAID AERIALS AND THE DIRECTION CORRESPONDING TO A PREDETERMINED SPACE NOISE RADIATION SOURCE; A FILTER, COUPLED TO SAID RESPECTIVE OUTPUTS, AND HAVING AN OUTPUT; AND A SERVOMECHANISM CONNECTED TO SAID FILTER OUTPUT.
References Cited (Backward Citations)
US2166991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |