US3147335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical miss-distance indicator
Assignee: Individual
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Filing: 1960-10-27
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Granted: 1964-09-01
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Expires: 1980-10-27
Abstract
No abstract record available.
Inventors
- 👤 Fritz A Guerth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:42
CPC Classifications
F; F41; F41J; F41J5/00; F41J5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
IN A MISS-DISTANCE INDICATOR FOR MEASURING THE MISSDISTANCE BETWEEN A MISSILE AND AN AIR-BORNE TARGET OF ELONGATED CONFIGURATION, THE COMBINATION OF: AT LEAST FOUR CATHODE-RAY SCANNING DEVICES CARRIED BY SAID TARGET AND DISPOSED TO RESPECTIVELY SCAN IN CYCLIC FASHION, PLANAR REGIONS SURROUNDING SAID TARGET, EACH ONE OF WHICH PLANAR REGIONS INTERSECTS AT LEAST TWO OTHER OF SAID PLANAR REGIONS, SO THAT SAID MISSILE WHEN PASSING IN THE VICINITY OF SAID TARGET WILL NORMALLY INTERCEPT AT LEAST THREE OF SAID PLANAR REGIONS; SAID CATHODE-RAY SCANNING DEVICES BEING DISPOSED SO THAT SAID PLANAR REGIONS DEFINE AN ENCLOSURE FOLLOWING SAID TARGET WITH RESPECT TO RADII ORIGINATING AT THE AXIS OF ELONGATION; AND CIRCUIT MEANS FOR DERIVING FROM EACH OF SAID SCANNING DEVICES THE SCANNING PLANE OF WHICH HAS BEEN INTERCEPTED BY SAID MISSILE, AT LEAST TWO SIGNALS, ONE OF WHICH IS A REFERENCE SIGNAL INDICATIVE OF A FIXED DIRECTION IN THAT PARTICULAR SCANNING PLANE AND THE OTHER OF WHICH IS INDICATIVE OF THE DIRECTION, RELATIVE TO SAID FIXED DIRECTION, OF THE POINT AT WHICH THE SAID MISSILE PASSES THERETHROUGH; AND MEANS CONNECTED WITH EACH SCANNING DEVICE FOR RECEIVING SAID SIGNALS AND FOR CALCULATING THEREFROM, THE TRAJECTORY OF SAID MISSILE.
Claim 2
Dependent Claim
196 words
IN A MISS-DISTANCE INDICATOR FOR MEASURING THE MISSDISTANCE BETWEEN A MISSILE AND AN AIR-BORNE TARGET OF ELONGATED CONFIGURATION, THE COMBINATION OF: AT LEAST FOUR CATHODE-RAY SCANNING DEVICES CARRIED BY SAID TARGET AND DISPOSED TO RESPECTIVELY SCAN IN CYCLIC FASHION, PLANAR REGIONS SURROUNDING SAID TARGET, EACH ONE OF WHICH PLANAR REGIONS INTERSECTS AT LEAST TWO OTHER OF SAID PLANAR REGIONS, SO THAT SAID MISSILE WHEN PASSING IN THE VICINITY OF SAID TARGET WILL NORMALLY INTERCEPT AT LEAST THREE OF SAID PLANAR REGIONS; SAID CATHODE-RAY SCANNING DEVICES BEING DISPOSED SO THAT SAID PLANAR REGIONS DEFINE AN ENCLOSURE FOLLOWING SAID TARGET WITH RESPECT TO RADII ORIGINATING AT THE AXIS OF ELONGATION; AND CIRCUIT MEANS FOR DERIVING FROM EACH OF SAID SCANNING DEVICES THE SCANNING PLANE OF WHICH HAS BEEN INTERCEPTED BY SAID MISSILE, AT LEAST TWO SIGNALS, ONE OF WHICH IS A REFERENCE SIGNAL INDICATIVE OF A FIXED DIRECTION IN THAT PARTICULAR SCANNING PLANE AND THE OTHER OF WHICH IS INDICATIVE OF THE DIRECTION, RELATIVE TO SAID FIXED DIRECTION, OF THE POINT AT WHICH THE SAID MISSILE PASSES THERETHROUGH; AND MEANS CONNECTED WITH EACH SCANNING DEVICE FOR RECEIVING SAID SIGNALS AND FOR CALCULATING THEREFROM, THE TRAJECTORY OF SAID MISSILE.
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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |