US3230524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dead reckoning guidance system for vehicles
Assignee: Goodyear Aerospace Corp
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Filing: 1958-08-25
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Granted: 1966-01-18
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Expires: 1978-08-25
Abstract
No abstract record available.
Inventors
- 👤 Harold L Flowers
- 👤 Charles O Lambert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:09
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/34; F41G7/343
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
206 words
THE COMBINATION IN A DEAD RECKONING GUIDANCE SYSTEM FOR VEHICLES OF A RADAR TRANSMITTER, ANTENNA AND RECEIVER CARRIED BY THE VEHICLE, STORAGE TUBE MEANS FOR TEMPORARILY AND AT A CONTROLLABLE REPETITIVE FREQUENCY STORING A RADAR PICTURE OF THE TERRAIN OVER WHICH THE VEHICLE IS PASSING, MEANS FOR CONTINUOUSLY PRODUCING A SUBSTANTIALLY INSTANTANEOUS RADAR IMAGE OF THE TERRAIN OVER WHICH THE VEHICLE IS PASSING, SAID PICTURE AND IMAGE BEING OF SUBSTANTIALLY THE SAME SCALE AND ORIENTATION, LENS MEANS FOR SUPERIMPOSING THE LIGHT OF THE PICTURE AND IMAGE, MEANS FOR EFFECTING NUTATION BETWEEN THE PICTURE AND IMAGE, COMMUTATOR MEANS CONNECTED TO THE LAST-NAMED MEANS TO PROVIDE AN INDICATION OF THE ANGULAR RELATION AT ANY INSTANT BETWEEN THE PICTURE AND IMAGE, PHOTO-CELL MEANS PROVIDING AN ELECTRIC VOLTAGE MODULATED BY THE LIGHT OUTPUT OF THE SUPERIMPOSED PICTURE AND IMAGE, ELECTRICAL CONNECTIONS PASSING THE VOLTAGE THROUGH THE COMMUTATOR MEANS TO PROVIDE A LATERAL ERROR VOLTAGE AND A LONGITUDINAL ERROR VOLTAGE, AN AUTO PILOT CONNECTED TO THE LATERAL ERROR VOLTAGE AND CORRECTING THE VEHICLE COURSE LATERALLY, A CYCLE CONTROL PROGRAMMER CONNECTED TO THE LONGITUDINAL ERROR VOLTAGE AND THE MEANS FOR STORING A RADAR PICTURE AND CONTROLLING THE FREQUENCY OF STORING A RADAR PICTURE OF THE TERRAIN OVER WHICH THE VEHICLE IS PASSING.
Claim 2
Dependent Claim
206 words
THE COMBINATION IN A DEAD RECKONING GUIDANCE SYSTEM FOR VEHICLES OF A RADAR TRANSMITTER, ANTENNA AND RECEIVER CARRIED BY THE VEHICLE, STORAGE TUBE MEANS FOR TEMPORARILY AND AT A CONTROLLABLE REPETITIVE FREQUENCY STORING A RADAR PICTURE OF THE TERRAIN OVER WHICH THE VEHICLE IS PASSING, MEANS FOR CONTINUOUSLY PRODUCING A SUBSTANTIALLY INSTANTANEOUS RADAR IMAGE OF THE TERRAIN OVER WHICH THE VEHICLE IS PASSING, SAID PICTURE AND IMAGE BEING OF SUBSTANTIALLY THE SAME SCALE AND ORIENTATION, LENS MEANS FOR SUPERIMPOSING THE LIGHT OF THE PICTURE AND IMAGE, MEANS FOR EFFECTING NUTATION BETWEEN THE PICTURE AND IMAGE, COMMUTATOR MEANS CONNECTED TO THE LAST-NAMED MEANS TO PROVIDE AN INDICATION OF THE ANGULAR RELATION AT ANY INSTANT BETWEEN THE PICTURE AND IMAGE, PHOTO-CELL MEANS PROVIDING AN ELECTRIC VOLTAGE MODULATED BY THE LIGHT OUTPUT OF THE SUPERIMPOSED PICTURE AND IMAGE, ELECTRICAL CONNECTIONS PASSING THE VOLTAGE THROUGH THE COMMUTATOR MEANS TO PROVIDE A LATERAL ERROR VOLTAGE AND A LONGITUDINAL ERROR VOLTAGE, AN AUTO PILOT CONNECTED TO THE LATERAL ERROR VOLTAGE AND CORRECTING THE VEHICLE COURSE LATERALLY, A CYCLE CONTROL PROGRAMMER CONNECTED TO THE LONGITUDINAL ERROR VOLTAGE AND THE MEANS FOR STORING A RADAR PICTURE AND CONTROLLING THE FREQUENCY OF STORING A RADAR PICTURE OF THE TERRAIN OVER WHICH THE VEHICLE IS PASSING.
References Cited (Backward Citations)
US2753552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |