US3118969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color projection system
Assignee: General Electric Co
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Filing: 1959-08-21
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Granted: 1964-01-21
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Expires: 1979-08-21
Abstract
No abstract record available.
Inventors
- 👤 Jr William E Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:37
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/10; F16B12/28; F16B12/32; H; H04; H04N; H04N5/00; H04N5/76; H04N5/80; H04N5/82; H04N9/00; H04N9/12; H04N9/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A SYSTEM FOR PROJECTING COLORED LIGHT AS A FUNCTION OF THE COLOR INFORMATION CONTAINED IN ORTHOGONALLY ARRANGED DIFFRACTION PATTERNS IN A LIGHT MODULATING MEDIUM WHEREIN ONE OF SAID GRATINGS CONTAINS INTENSITY INFORMATION CORRESPONDING TO ONE COLOR COMPONENT AND THE OTHER OF SAID DIFFRACTION GRATINGS CONTAINS BOTH THE COLOR COMPONENT AND INTENSITY INFORMATION OF THE REMAINING COLORED LIGHT TO BE PROJECTED COMPRISING FIRST AND SECOND LIGHT MASKING SYSTEMS OPERATIVELY ASSOCIATED RESPECTIVELY WITH SAID ORTHOGONALLY ARRANGED DIFFRACTION GRATINGS OF SAID LIGHT MODULATING MEDIUM, MEANS ILLUMINATING THE LIGHT MASKING SYSTEM ASSOCIATED WITH SAID ONE OF SAID DIFFRACTION GRATINGS WITH LIGHT HAVING ONLY THE COLOR OF SAID ONE COMPONENT AND MEANS ILLUMINATING THE LIGHT MASKING SYSTEM ASSOCIATED WITH THE OTHER OF SAID DIFFRACTION GRATINGS WITH LIGHT INCLUDING THE REMAINING COLORED LIGHT, BOTH OF SAID LIGHT MASKING SYSTEMS BLOCKING UNDIFFRACTED LIGHT AND SAID FIRST MASKING SYSTEM PASSING LIGHT OF SAID ONE COLOR COMPONENT WITH AN INTENSITY VARYING IN ACCORDANCE WITH THE INTENSITY INFORMATION IN SAID FIRST DIFFRACTION GRATING AND SAID SECOND LIGHT MASKING SYSTEM PASSING LIGHT HAVING A COLOR AND INTENSITY DETERMINED BY THE COLOR AND INTENSITY INFORMATION OF THE SECOND OF SAID ORTHOGONALLY ARRANGED DIFFRACTION GRATINGS.
Claim 2
Independent Claim
192 words
A SYSTEM FOR PROJECTING COLORED LIGHT AS A FUNCTION OF THE COLOR INFORMATION CONTAINED IN ORTHOGONALLY ARRANGED DIFFRACTION PATTERNS IN A LIGHT MODULATING MEDIUM WHEREIN ONE OF SAID GRATINGS CONTAINS INTENSITY INFORMATION CORRESPONDING TO ONE COLOR COMPONENT AND THE OTHER OF SAID DIFFRACTION GRATINGS CONTAINS BOTH THE COLOR COMPONENT AND INTENSITY INFORMATION OF THE REMAINING COLORED LIGHT TO BE PROJECTED COMPRISING FIRST AND SECOND LIGHT MASKING SYSTEMS OPERATIVELY ASSOCIATED RESPECTIVELY WITH SAID ORTHOGONALLY ARRANGED DIFFRACTION GRATINGS OF SAID LIGHT MODULATING MEDIUM, MEANS ILLUMINATING THE LIGHT MASKING SYSTEM ASSOCIATED WITH SAID ONE OF SAID DIFFRACTION GRATINGS WITH LIGHT HAVING ONLY THE COLOR OF SAID ONE COMPONENT AND MEANS ILLUMINATING THE LIGHT MASKING SYSTEM ASSOCIATED WITH THE OTHER OF SAID DIFFRACTION GRATINGS WITH LIGHT INCLUDING THE REMAINING COLORED LIGHT, BOTH OF SAID LIGHT MASKING SYSTEMS BLOCKING UNDIFFRACTED LIGHT AND SAID FIRST MASKING SYSTEM PASSING LIGHT OF SAID ONE COLOR COMPONENT WITH AN INTENSITY VARYING IN ACCORDANCE WITH THE INTENSITY INFORMATION IN SAID FIRST DIFFRACTION GRATING AND SAID SECOND LIGHT MASKING SYSTEM PASSING LIGHT HAVING A COLOR AND INTENSITY DETERMINED BY THE COLOR AND INTENSITY INFORMATION OF THE SECOND OF SAID ORTHOGONALLY ARRANGED DIFFRACTION GRATINGS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |