US3071765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar map guidance system
Assignee: Individual
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Filing: 1950-08-11
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Granted: 1963-01-01
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Expires: 1970-08-11
Abstract
No abstract record available.
Inventors
- 👤 Gerald C Schutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:07
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/005; F; F41; F41G; F41G7/00; F41G7/34; F41G7/343
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
MEANS FOR NAVIGATING AN UNATTENDED AIRCRAFT, COMPRISING A FRONT RADAR, A SIDE RADAR, A DELAY CIRCUIT, A PULSE GENERATOR SUPPLYING PULSES TO SAID FRONT AND SIDE RADARS AND TO SAID DELAY CIRCUIT, A PHOTO RECORD PICKUP CONTAINING A MAP CARRIAGE MOUNTING A MAP FILM AND SUPPLIED PULSES FROM SAID DELAY CIRCUIT, A FRONT RADAR COMPARISON AMPLIFIER TO WHICH SAID PHOTO RECORD PICKUP SUPPLIES VELOCITY ERROR SIGNAL, A MAP CARRIAGE SERVOMOTOR RESPONSIVE TO VELOCITY ERROR SIGNAL FROM SAID FRONT RADAR COMPARISON AMPLIFER IN ALTERNING THE OPERATION RATE OF THE MAP CARRIAGE IN SAID PHOTO RECORD PICK-UP, A SIDE RADAR COMPARISON AMPLIFIER TO WHICH SAID PHOTO RECORD PICK-UP SUPPLIES AZIMUTH ERROR SIGNAL, AN AZIMUTH SERVOMOTOR RESPONSIVE TO AZIMUTH ERROR SIGNAL FROM SAID SIDE RADAR COMPARISON AMPLIFIER, A FIRST POTENTIOMETER HAVING A CONTACT ARM WIPING A FIRST WINDING IN RESPONSE TO AZIMUTH ERROR FROM SAID AZIMUTH SERVOMOTOR TO SUPPLY AN AZIMUTH CORRECTION POTENTIAL TO SAID DELAY CIRCUIT, AND A SECOND POTENTIOMETER HAVING A CONTACT ARM GANGED WITH THE CONTACT ARM OF SAID FIRST POTENTIOMETER FOR WIPING A SECOND WINDING AND DEVELOPING AN AZIMUTH ERROR POTENTIAL FOR MAINTAINING SAID UNATTENDED AIRCRAFT ON A FLIGHT COURSE DETERMINED BY THE MAP FILM ON THE MAP CARRIAGE IN SAID PHOTO RECORD PICK-UP.
Claim 2
Dependent Claim
205 words
MEANS FOR NAVIGATING AN UNATTENDED AIRCRAFT, COMPRISING A FRONT RADAR, A SIDE RADAR, A DELAY CIRCUIT, A PULSE GENERATOR SUPPLYING PULSES TO SAID FRONT AND SIDE RADARS AND TO SAID DELAY CIRCUIT, A PHOTO RECORD PICKUP CONTAINING A MAP CARRIAGE MOUNTING A MAP FILM AND SUPPLIED PULSES FROM SAID DELAY CIRCUIT, A FRONT RADAR COMPARISON AMPLIFIER TO WHICH SAID PHOTO RECORD PICKUP SUPPLIES VELOCITY ERROR SIGNAL, A MAP CARRIAGE SERVOMOTOR RESPONSIVE TO VELOCITY ERROR SIGNAL FROM SAID FRONT RADAR COMPARISON AMPLIFER IN ALTERNING THE OPERATION RATE OF THE MAP CARRIAGE IN SAID PHOTO RECORD PICK-UP, A SIDE RADAR COMPARISON AMPLIFIER TO WHICH SAID PHOTO RECORD PICK-UP SUPPLIES AZIMUTH ERROR SIGNAL, AN AZIMUTH SERVOMOTOR RESPONSIVE TO AZIMUTH ERROR SIGNAL FROM SAID SIDE RADAR COMPARISON AMPLIFIER, A FIRST POTENTIOMETER HAVING A CONTACT ARM WIPING A FIRST WINDING IN RESPONSE TO AZIMUTH ERROR FROM SAID AZIMUTH SERVOMOTOR TO SUPPLY AN AZIMUTH CORRECTION POTENTIAL TO SAID DELAY CIRCUIT, AND A SECOND POTENTIOMETER HAVING A CONTACT ARM GANGED WITH THE CONTACT ARM OF SAID FIRST POTENTIOMETER FOR WIPING A SECOND WINDING AND DEVELOPING AN AZIMUTH ERROR POTENTIAL FOR MAINTAINING SAID UNATTENDED AIRCRAFT ON A FLIGHT COURSE DETERMINED BY THE MAP FILM ON THE MAP CARRIAGE IN SAID PHOTO RECORD PICK-UP.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |