Patent US2339125A successfully refreshed from Google Patents.
US3143732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image rotation system
Assignee: Actron Industries Inc
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Filing: 1958-09-29
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Granted: 1964-08-04
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Expires: 1978-09-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas C Leighton
- 👤 Kermit L Sandefur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:27
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
144 words
IN AN AIRBORNE RADAR STRIP RECORDER, A DRIFT CORRECTING IMAGE ROTATION SYSTEM, COMPRISING: MEANS FOR PROVIDING SIMULTANEOUS LEFT AND RIGHT RADAR-DERIVED LINE IMAGES; A LEFT MIRROR PAIR POSITIONED TO VIEW THE LEFT LINE IMAGE AND PROVIDE A REFLECTED LEFT LINE IMAGE TO A FILM PLANE, AND ADJUSTABLE TO ROTATE THE REFLECTED LEFT LINE IMAGE ON A LEFT END PIVOT POINT IN THE FILM PLANE; A RIGHT MIRROR PAIR POSITIONED TO VIEW THE RIGHT LINE IMAGE AND PROVIDE A REFLECTED RIGHT LINE IMAGE TO THE FILM PLANE, AND ADJUSTABLE TO ROTATE THE REFLECTED RIGHT LINE IMAGE ON A RIGHT END PIVOT POINT IN THE FILM PLANE; AND MEANS FOR SIMULTANEOUSLY ADJUSTING SAID LEFT AND RIGHT MIRROR PAIRS TO ROTATE THE REFLECTED LEFT AND RIGHT LINE IMAGES IN THE FILM PLANE AN AMOUNT ACCORDING TO DRIFT CORRECTION OF AN AIRCRAFT MOUNTING THE AIRBORNE RADAR STRIP RECORDER.
Claim 2
Dependent Claim
144 words
IN AN AIRBORNE RADAR STRIP RECORDER, A DRIFT CORRECTING IMAGE ROTATION SYSTEM, COMPRISING: MEANS FOR PROVIDING SIMULTANEOUS LEFT AND RIGHT RADAR-DERIVED LINE IMAGES; A LEFT MIRROR PAIR POSITIONED TO VIEW THE LEFT LINE IMAGE AND PROVIDE A REFLECTED LEFT LINE IMAGE TO A FILM PLANE, AND ADJUSTABLE TO ROTATE THE REFLECTED LEFT LINE IMAGE ON A LEFT END PIVOT POINT IN THE FILM PLANE; A RIGHT MIRROR PAIR POSITIONED TO VIEW THE RIGHT LINE IMAGE AND PROVIDE A REFLECTED RIGHT LINE IMAGE TO THE FILM PLANE, AND ADJUSTABLE TO ROTATE THE REFLECTED RIGHT LINE IMAGE ON A RIGHT END PIVOT POINT IN THE FILM PLANE; AND MEANS FOR SIMULTANEOUSLY ADJUSTING SAID LEFT AND RIGHT MIRROR PAIRS TO ROTATE THE REFLECTED LEFT AND RIGHT LINE IMAGES IN THE FILM PLANE AN AMOUNT ACCORDING TO DRIFT CORRECTION OF AN AIRCRAFT MOUNTING THE AIRBORNE RADAR STRIP RECORDER.
Claim 3
Dependent Claim
128 words
AN IMAGE ROTATION SYSTEM, COMPRISING A PAIR OF LINE OBJECTS, A FIRST MIRROR PAIR POSITIONED TO VIEW A FIRST OF SAID OBJECTS AND TO PROVIDE A REFLECTED FIRST LINE IMAGE TO AN IMAGE PLANE, SAID FIRST MIRROR PAIR BEING ADJUSTABLE TO ROTATE SAID REFLECTED FIRST LINE IMAGE ON A FIRST END PIVOT POINT IN SAID IMAGE PLANE, A SECOND MIRROR PAIR POSITIONED TO VIEW A SECOND LINE OBJECT AND TO PROVIDE A REFLECTED SECOND LINE IMAGE TO SAID IMAGE PLANE, SAID SECOND MIRROR PAIR BEING ADJUSTABLE TO ROTATE SAID REFLECTED SECOND LINE IMAGE ON A SECOND END PIVOT POINT IN SAID IMAGE PLANE, AND MEANS FOR SIMULTANEOUSLY ADJUSTING SAID FIRST AND SAID SECOND MIRROR PAIRS TO ROTATE SAID REFLECTED FIRST AND SECOND LINE IMAGES IN THE IMAGE PLANE.
Claim 4
Dependent Claim
128 words
AN IMAGE ROTATION SYSTEM, COMPRISING A PAIR OF LINE OBJECTS, A FIRST MIRROR PAIR POSITIONED TO VIEW A FIRST OF SAID OBJECTS AND TO PROVIDE A REFLECTED FIRST LINE IMAGE TO AN IMAGE PLANE, SAID FIRST MIRROR PAIR BEING ADJUSTABLE TO ROTATE SAID REFLECTED FIRST LINE IMAGE ON A FIRST END PIVOT POINT IN SAID IMAGE PLANE, A SECOND MIRROR PAIR POSITIONED TO VIEW A SECOND LINE OBJECT AND TO PROVIDE A REFLECTED SECOND LINE IMAGE TO SAID IMAGE PLANE, SAID SECOND MIRROR PAIR BEING ADJUSTABLE TO ROTATE SAID REFLECTED SECOND LINE IMAGE ON A SECOND END PIVOT POINT IN SAID IMAGE PLANE, AND MEANS FOR SIMULTANEOUSLY ADJUSTING SAID FIRST AND SAID SECOND MIRROR PAIRS TO ROTATE SAID REFLECTED FIRST AND SECOND LINE IMAGES IN THE IMAGE PLANE.
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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |