US3221599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing and viewing multicolored stereoscopic images
Assignee: Polaroid Corp
•
Filing: 1960-05-27
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Granted: 1965-12-07
•
Expires: 1980-05-27
Abstract
No abstract record available.
Inventors
- 👤 Edwin H Land
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:04
CPC Classifications
G; G03; G03B; G03B35/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
404 words
A METHOD OF PROVIDING IN A GAMUT OF COLORS A COMPOSITE STEREOSCOPIC IMAGE OF AMULTICOLORED PHOTOGRAPHIC SUBJECT, COMPRISING THE STEPS OF POSITIONING A FIRST PAIR OF BLACK-AND-WHITE PHOTOGRAPHIC PRINTS FOR PROJECTION IN INDIVIDUAL PATHS OF LIGHT WHICH CONVERGE TO SUBSTANTIAL SUPERIMPOSITION WITH ONE ANOTHER AT AN IMAGE PLANE, ONE PRINT OF WHICH IS PRODUCED BY PHOTOGRAPHIC TAKING MEANS RECORDING A RELATIVELY LONG WAVELENGTH CONTENT OF SAID SUBJECT WITHIN ONE-HALF OF THE VISIBLE SPECTRUM FROM A FIRST STEREOSCOPIC LOCATION, AND THE OTHER PRINT OF WHICH IS PRODUCED BY PHOTOGRAPHIC TAKING MEANS RECORDING A RELATIVELY SHORTER WAVELENGTH CONTENT OF SAID SUBJECT WITHIN SAID ONE-HALF OF THE VISIBLE SPECTRUM AND ALSO FROM SAID FIRST STEREOSCOPIC LOCATION, POSITIONING A SECOND PAIR OF BLACK-AND-WHITE PHOTOGRAPHIC PRINTS FOR PROJECTION IN INDIVIDUAL PATHS OF LIGHT WHICH CONVERGE TO SUBSTANTIAL SUPERIMPOSITION WITH ONE ANOTHER AND WITH SAID FIRST PAIR AT AN IMAGE PLANE, ONE PRINT OF WHICH IS PRODUCED BY PHOTOGRAPHIC TAKING MEANS RECORDING A RELATIVELY LONG WAVELENGTH CONTENT OF SAID SUBJECT WITHIN THE OTHER HALF OF THE VISIBLE SPECTRUM FROM A SECOND STEREOSCOPIC LOCATION, AND THE OTHER PRINT OF WHICH IS PRODUCED BY PHOTOGRAPHIC TAKING MEANS RECORDING A RELATIVELY SHORTER WAVELENGTH CONTENT OF SAID SUBJECT WITHIN SAID OTHER HALF OF THE VISIBLE SPECTRUM AND ALSO FROM SAID SECOND STEREOSCOPIC LOCATION, PROJECTING SAID ONE PRINT OF SAID FIRST PAIR IN LIGHT OF A RELATIVELY LONG WAVELENGTH WITHIN SAID ONEHALF OF THE VISIBLE SPECTRUM, PROJECTING SAID OTHER PRINT OF SAID FIRST PAIR IN LIGHT OF A RELATIVELY SHORTER WAVELENGTH WITHIN SAID ONE-HALF OF THE VISIBLE SPECTRUM, PROJECTING SAID ONE PRINT OF SAID SECOND PAIR IN LIGHT OF A RELATIVELY LONG WAVELENGTH WITHIN SAID OTHER HALF OF THE VISIBLE SPECTRUM, PROJECTING SAID OTHER PRINT OF SAID SECOND PAIR IN LIGHT OF A RELATIVELY SHORTER WAVELENGTH WITHIN SAID OTHER HALF OF THE VISIBLE SPECTRUM, AND VIEWING SAID PRINTS, PROJECTED ALONG SAID PATHS AS SUBSTANTIALLY SUPERIMPOSED IMAGES, THROUGH LEFT- AND RIGHT-EYE VIEWING FILTERS, THE LEFT-EYE VIEWING FILTER BEING OF A COLOR ADAPTED TO PASS, SUBSTANTIALLY EXCLUSIVELY, THE LIGHT OF SAID RELATIVELY LONG AND SHORTER WAVELENGTHS WITHIN SAID ONE-HALF OF THE VISIBLE SPECTRUM AND THE RIGHT-EYE VIEWING FILTER BEING OF A COLOR ADAPTED TO PASS, SUBSTANTIALLY EXCULSIVELY, THE LIGHT OF SAID RELATIVELY LONG AND SHORTER WAVELENGTHS WITHIN SAID OTHER HALF OF THE VISIBLE SPECTRUM, WHEREBY A MULTICOLORED TWO-DIMENSIONAL IMAGE IS RENDERED VISIBLE TO EACH EYE INDIVIDUALLY AND A MULTICOLORED STEREOSCOPIC IMAGE IS RENDERED VISIBLE TO BOTH EYES.
Claim 2
Independent Claim
404 words
A METHOD OF PROVIDING IN A GAMUT OF COLORS A COMPOSITE STEREOSCOPIC IMAGE OF AMULTICOLORED PHOTOGRAPHIC SUBJECT, COMPRISING THE STEPS OF POSITIONING A FIRST PAIR OF BLACK-AND-WHITE PHOTOGRAPHIC PRINTS FOR PROJECTION IN INDIVIDUAL PATHS OF LIGHT WHICH CONVERGE TO SUBSTANTIAL SUPERIMPOSITION WITH ONE ANOTHER AT AN IMAGE PLANE, ONE PRINT OF WHICH IS PRODUCED BY PHOTOGRAPHIC TAKING MEANS RECORDING A RELATIVELY LONG WAVELENGTH CONTENT OF SAID SUBJECT WITHIN ONE-HALF OF THE VISIBLE SPECTRUM FROM A FIRST STEREOSCOPIC LOCATION, AND THE OTHER PRINT OF WHICH IS PRODUCED BY PHOTOGRAPHIC TAKING MEANS RECORDING A RELATIVELY SHORTER WAVELENGTH CONTENT OF SAID SUBJECT WITHIN SAID ONE-HALF OF THE VISIBLE SPECTRUM AND ALSO FROM SAID FIRST STEREOSCOPIC LOCATION, POSITIONING A SECOND PAIR OF BLACK-AND-WHITE PHOTOGRAPHIC PRINTS FOR PROJECTION IN INDIVIDUAL PATHS OF LIGHT WHICH CONVERGE TO SUBSTANTIAL SUPERIMPOSITION WITH ONE ANOTHER AND WITH SAID FIRST PAIR AT AN IMAGE PLANE, ONE PRINT OF WHICH IS PRODUCED BY PHOTOGRAPHIC TAKING MEANS RECORDING A RELATIVELY LONG WAVELENGTH CONTENT OF SAID SUBJECT WITHIN THE OTHER HALF OF THE VISIBLE SPECTRUM FROM A SECOND STEREOSCOPIC LOCATION, AND THE OTHER PRINT OF WHICH IS PRODUCED BY PHOTOGRAPHIC TAKING MEANS RECORDING A RELATIVELY SHORTER WAVELENGTH CONTENT OF SAID SUBJECT WITHIN SAID OTHER HALF OF THE VISIBLE SPECTRUM AND ALSO FROM SAID SECOND STEREOSCOPIC LOCATION, PROJECTING SAID ONE PRINT OF SAID FIRST PAIR IN LIGHT OF A RELATIVELY LONG WAVELENGTH WITHIN SAID ONEHALF OF THE VISIBLE SPECTRUM, PROJECTING SAID OTHER PRINT OF SAID FIRST PAIR IN LIGHT OF A RELATIVELY SHORTER WAVELENGTH WITHIN SAID ONE-HALF OF THE VISIBLE SPECTRUM, PROJECTING SAID ONE PRINT OF SAID SECOND PAIR IN LIGHT OF A RELATIVELY LONG WAVELENGTH WITHIN SAID OTHER HALF OF THE VISIBLE SPECTRUM, PROJECTING SAID OTHER PRINT OF SAID SECOND PAIR IN LIGHT OF A RELATIVELY SHORTER WAVELENGTH WITHIN SAID OTHER HALF OF THE VISIBLE SPECTRUM, AND VIEWING SAID PRINTS, PROJECTED ALONG SAID PATHS AS SUBSTANTIALLY SUPERIMPOSED IMAGES, THROUGH LEFT- AND RIGHT-EYE VIEWING FILTERS, THE LEFT-EYE VIEWING FILTER BEING OF A COLOR ADAPTED TO PASS, SUBSTANTIALLY EXCLUSIVELY, THE LIGHT OF SAID RELATIVELY LONG AND SHORTER WAVELENGTHS WITHIN SAID ONE-HALF OF THE VISIBLE SPECTRUM AND THE RIGHT-EYE VIEWING FILTER BEING OF A COLOR ADAPTED TO PASS, SUBSTANTIALLY EXCULSIVELY, THE LIGHT OF SAID RELATIVELY LONG AND SHORTER WAVELENGTHS WITHIN SAID OTHER HALF OF THE VISIBLE SPECTRUM, WHEREBY A MULTICOLORED TWO-DIMENSIONAL IMAGE IS RENDERED VISIBLE TO EACH EYE INDIVIDUALLY AND A MULTICOLORED STEREOSCOPIC IMAGE IS RENDERED VISIBLE TO BOTH EYES.
References Cited (Backward Citations)
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US1657270A
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US1088412A
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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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |