US3376381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wide-angle stereoscopic recording and viewing apparatus utilizing fisheyetype distortion and diverging lens axes
Assignee: Jetru Inc
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Filing: 1964-01-15
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Granted: 1968-04-02
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Expires: 1984-01-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Harvey L Ratliff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:00
CPC Classifications
G; G02; G02B; G02B30/00; G02B30/20; G02B30/34; G03; G03B; G03B35/00; G03B35/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
A WIDE-ANGLE STEROSCOPIC VIEWING DEVICE FOR USE TO RE-CREATE SUBSTANTIALLY DISTORTION-FREE WIDE-ANGLE STEREOSCOPIC SCENES FROM COMPRESSED IMAGES HAVING A PREDETERMINED AMOUNT OF FISHEY-TYPE, BARREL DISTORTION AT THE OCULAR OBJECT PLANE WITH RESPECTIVE RIGHT AND LEFT PICTURE CENTERS WHICH CORRESPOND TO THE INTERSECTION OF THE AXES OF SYMMETRY OF THE FISHEYE-TYPE COMPRESSING TAKING LENSES WHICH INTRODUCE THE FISHEYE-TYPE BARRELL DISTORTION, SAID AXES HAVING A PREDETERMINED AND OPERATIVE ANGLE WITH RESPECT TO EACH OTHER, COMPRISING: A SUPPORTING MEANS; RIGHT AND LEFT WIDE-ANGLE AND EXPANDING OCULAR LENS MEANS FOR EXPANDING THE RAYS AND INTRODUCING A PREDETERMINED AMOUNT OF PINCUSHION DISTORTION TO NULLIFY THE FISHEYETYPE BARREL DISTORTION AND BRING THE RAYS INTO THE EYES OF A VIEWING OBSERVER AT WIDE-ANGLES, SAID OCULAR LENS MEANS HAVING RESPECTIVE AXES OF SYMMETRY WHICH MAKE AN OPERATIVE ANGLE WHICH IS SUBSTANTIALLY THE SAME SAID PREDETERMINED ANGLE WITH RESPECT TO EACH OTHER; RIGHT AND LEFT PICTURE MAINTAINING APPARATUS FOR MAINTIANING THE RIGHT AND LEFT FISHEYE-TYPE, COMPRESSED AND WIDE-ANGLE IMAGES SUBSTANTIALLY PERPENDICULAR TO THE RESPECTIVE RIGHT AND LEFT OCULAR LENS AXES WITH THE PICTURE CENTERS OF THE RESPECTIVE RIGHT AND LEFT IMAGES LATERALLY DISPLACED SUCH AS TO PRODUCE THE STEREOSCOPIC EFFECT UPON A VIEWING OBSERVER.
Claim 2
Dependent Claim
195 words
A WIDE-ANGLE STEROSCOPIC VIEWING DEVICE FOR USE TO RE-CREATE SUBSTANTIALLY DISTORTION-FREE WIDE-ANGLE STEREOSCOPIC SCENES FROM COMPRESSED IMAGES HAVING A PREDETERMINED AMOUNT OF FISHEY-TYPE, BARREL DISTORTION AT THE OCULAR OBJECT PLANE WITH RESPECTIVE RIGHT AND LEFT PICTURE CENTERS WHICH CORRESPOND TO THE INTERSECTION OF THE AXES OF SYMMETRY OF THE FISHEYE-TYPE COMPRESSING TAKING LENSES WHICH INTRODUCE THE FISHEYE-TYPE BARRELL DISTORTION, SAID AXES HAVING A PREDETERMINED AND OPERATIVE ANGLE WITH RESPECT TO EACH OTHER, COMPRISING: A SUPPORTING MEANS; RIGHT AND LEFT WIDE-ANGLE AND EXPANDING OCULAR LENS MEANS FOR EXPANDING THE RAYS AND INTRODUCING A PREDETERMINED AMOUNT OF PINCUSHION DISTORTION TO NULLIFY THE FISHEYETYPE BARREL DISTORTION AND BRING THE RAYS INTO THE EYES OF A VIEWING OBSERVER AT WIDE-ANGLES, SAID OCULAR LENS MEANS HAVING RESPECTIVE AXES OF SYMMETRY WHICH MAKE AN OPERATIVE ANGLE WHICH IS SUBSTANTIALLY THE SAME SAID PREDETERMINED ANGLE WITH RESPECT TO EACH OTHER; RIGHT AND LEFT PICTURE MAINTAINING APPARATUS FOR MAINTIANING THE RIGHT AND LEFT FISHEYE-TYPE, COMPRESSED AND WIDE-ANGLE IMAGES SUBSTANTIALLY PERPENDICULAR TO THE RESPECTIVE RIGHT AND LEFT OCULAR LENS AXES WITH THE PICTURE CENTERS OF THE RESPECTIVE RIGHT AND LEFT IMAGES LATERALLY DISPLACED SUCH AS TO PRODUCE THE STEREOSCOPIC EFFECT UPON A VIEWING OBSERVER.
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) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |