US3134902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infrared circular scan aerial reconnaissance system
Assignee: Westinghouse Electric Corp
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Filing: 1959-01-02
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Granted: 1964-05-26
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Expires: 1979-01-02
Abstract
No abstract record available.
Inventors
- 👤 Roland H Chase
- 👤 William E Horn
- 👤 Frederic R Stauffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:33
CPC Classifications
G; G01; G01S; G01S11/00; G01S11/12; G01C; G01C11/00; G01C11/02; G01C11/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A METHOD OF AERIAL RECONNAISSANCE COMPRISING THE STEPS OF ROTARILY SCANNING THE TERRAIN AT AN ANGULATED ATTITUDE WITH INFRARED DETECTOR MEANS ADVANCED ALONG A FLIGHT PATH WHEREBY SUCH DETECTOR MEANS ALTERNATELY AND SUCCESSIVELY VIEWS FORWARDLY AND REARWARDLY, CONTINUOUSLY PRODUCING A LUMINOUS CIRCULAR TRACE IMAGE CORRESPONDING TO SCANNING MOVEMENT OF THE DETECTOR MEANS, INTENSITY MODULATING THE CIRCULAR TRACE IMAGE ACCORDING TO SIGNAL OUTPUT FROM THE DETECTOR MEANS, DIVIDING THE INTENSITY MODULATED CIRCULAR TRACE IMAGE INTO SEMI-CIRCULAR HALVES RESPECTIVE TO THE FORWARD AND REARWARD OBSERVANCE OF SAID DETECTOR MEANS, AND PROJECTING THE SEMICIRCULAR HALVES OF SUCH TRACE IMAGE ONTO RESPECTIVE SIDES OF A MOVING STRIP FILM WHEREBY FORWARDLY AND REARWARDLY OBSERVED PICTURIZATIONS ARE SIMULTANEOUSLY RECORDED.
Claim 2
Independent Claim
113 words
A METHOD OF AERIAL RECONNAISSANCE COMPRISING THE STEPS OF ROTARILY SCANNING THE TERRAIN AT AN ANGULATED ATTITUDE WITH INFRARED DETECTOR MEANS ADVANCED ALONG A FLIGHT PATH WHEREBY SUCH DETECTOR MEANS ALTERNATELY AND SUCCESSIVELY VIEWS FORWARDLY AND REARWARDLY, CONTINUOUSLY PRODUCING A LUMINOUS CIRCULAR TRACE IMAGE CORRESPONDING TO SCANNING MOVEMENT OF THE DETECTOR MEANS, INTENSITY MODULATING THE CIRCULAR TRACE IMAGE ACCORDING TO SIGNAL OUTPUT FROM THE DETECTOR MEANS, DIVIDING THE INTENSITY MODULATED CIRCULAR TRACE IMAGE INTO SEMI-CIRCULAR HALVES RESPECTIVE TO THE FORWARD AND REARWARD OBSERVANCE OF SAID DETECTOR MEANS, AND PROJECTING THE SEMICIRCULAR HALVES OF SUCH TRACE IMAGE ONTO RESPECTIVE SIDES OF A MOVING STRIP FILM WHEREBY FORWARDLY AND REARWARDLY OBSERVED PICTURIZATIONS ARE SIMULTANEOUSLY RECORDED.
References Cited (Backward Citations)
US2423885A
Cited
US2740961A
Cited
US2648838A
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US2686268A
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US2842760A
Cited
US2949055A
Cited
US2856809A
Cited
US2929305A
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FR1165448A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |