Patent US4206786A successfully refreshed from Google Patents.
US3214575A
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Celestial-inertial navigation system
Assignee: Unisys Corp
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Filing: 1961-09-14
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Granted: 1965-10-26
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Expires: 1981-09-14
Abstract
No abstract record available.
Inventors
- 👤 Victor H Seliger
- 👤 Moskowitz Saul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:12
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/10; G01C21/12; G01C21/16; G01C21/165; G01C21/1652
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
158 words
A NAVIGATIONAL SYSTEM FOR AN AIR-BORNE VEHICLE WHICH COMPRISES GYRO SENSOR MEANS IN THE VEHICLE FOR PROVIDING ANGULAR VELOCITY WITH RESPECT TO AN INERTIAL FRAME, ACCELEROMETER MEANS IN THE VEHICLE FOR PROVIDING ACCELERATION WITH RESPECT TO SAID INERTIAL FRAME, A CELESTIAL TRACKER IN THE VEHICLE FOR PROVIDING CELESTIAL ORIENTATION WITH RESPECT TO A BODY FRAME, AN ALTIMETER FOR PROVIDING THE SCHULER RADIUS WITH RESPECT TO THE CENTER OF THE EARTH, MEANS FOR PROVIDING BODY/INERTIAL REFERENCE FRAME TRANSFORMATION CONNECTED TO THE OUTPUT OF SAID GYRO SENSOR MEANS, MEANS FOR PROVIDING INERTIAL/EARTH-LEVEL TRANSFORMATION, CONNECTED TO THE OUTPUT OF SAID ACCELEROMETER MEANS AND SAID ALTIMETER, MEANS FOR PROVIDING CELESTIAL/ BODY TRANSFORMATION CONNECTED TO THE OUTPUT OF SAID CELESTIAL TRACKER, MEANS FOR PROVIDING BODY/EARTH-LEVEL TRANSFORMATION CONNECTED TO THE OUTPUT OF SAID BODY/ INERTIAL TRANSFORMATION MEANS AND SAID INERTIAL/EARTH-LEVEL TRANSFORMATION MEANS, AND MEANS FOR PROVIDING CELESTIAL/ EARTH-LEVEL TRANSFORMATION CONNECTED TO THE OUTPUT OF SAID BODY/EARTH-LEVEL TRANSFORMATION MEANS AND SAID CELESTIAL/ BODY TRANSFORMATION MEANS.
Claim 2
Dependent Claim
158 words
A NAVIGATIONAL SYSTEM FOR AN AIR-BORNE VEHICLE WHICH COMPRISES GYRO SENSOR MEANS IN THE VEHICLE FOR PROVIDING ANGULAR VELOCITY WITH RESPECT TO AN INERTIAL FRAME, ACCELEROMETER MEANS IN THE VEHICLE FOR PROVIDING ACCELERATION WITH RESPECT TO SAID INERTIAL FRAME, A CELESTIAL TRACKER IN THE VEHICLE FOR PROVIDING CELESTIAL ORIENTATION WITH RESPECT TO A BODY FRAME, AN ALTIMETER FOR PROVIDING THE SCHULER RADIUS WITH RESPECT TO THE CENTER OF THE EARTH, MEANS FOR PROVIDING BODY/INERTIAL REFERENCE FRAME TRANSFORMATION CONNECTED TO THE OUTPUT OF SAID GYRO SENSOR MEANS, MEANS FOR PROVIDING INERTIAL/EARTH-LEVEL TRANSFORMATION, CONNECTED TO THE OUTPUT OF SAID ACCELEROMETER MEANS AND SAID ALTIMETER, MEANS FOR PROVIDING CELESTIAL/ BODY TRANSFORMATION CONNECTED TO THE OUTPUT OF SAID CELESTIAL TRACKER, MEANS FOR PROVIDING BODY/EARTH-LEVEL TRANSFORMATION CONNECTED TO THE OUTPUT OF SAID BODY/ INERTIAL TRANSFORMATION MEANS AND SAID INERTIAL/EARTH-LEVEL TRANSFORMATION MEANS, AND MEANS FOR PROVIDING CELESTIAL/ EARTH-LEVEL TRANSFORMATION CONNECTED TO THE OUTPUT OF SAID BODY/EARTH-LEVEL TRANSFORMATION MEANS AND SAID CELESTIAL/ BODY TRANSFORMATION MEANS.
Claim 3
Dependent Claim
16 words
A NAVIGATIONAL SYSTEM ACCORDING TO CLAIM 1 INCLUDING DOPPLER MEANS COUPLED TO SAID INERTIAL/EARTH-LEVEL TRANSFORMATION MEANS.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |