US3084590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical system
Assignee: General Electric Co
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Filing: 1959-02-26
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Granted: 1963-04-09
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Expires: 1979-02-26
Abstract
No abstract record available.
Inventors
- 👤 Jr William E Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:41
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/74; H04N5/7416; H04N5/7425
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
AN OPTICAL SYSTEM FOR TRANSMITTING LIGHT AS A FUNCTION OF THE PARAMETERS OF A DIFFRACTION GRATING IN A REFLECTIVE LIGHT MODULATING MEDIUM, COMPRISING A SOURCE OF LIGHT, A MASKING SYSTEM COMPRISING A REFLECTING REGION FOR REFLECTING LIGHT FROM SAID SOURCE ON SAID LIGHT MODULATING MEDIUM AND A TRANSPARENT REGION FOR TRANSMITTING CERTAIN LIGHT DIFFRACTED BY SAID DIFFRACTION GRATING, AND A SINGLE LENS SYSTEM FIXEDLY MOUNTED TO SAID MASKING SYSTEM AT THE FOCAL LENGTH OF SAID LENS SYSTEM AWAY FROM SAID MASKING SYSTEM AND BEING GREATER THAN THE FOCAL LENGTH AWAY FROM SAID LIGHT MODULATING MEDIUM BETWEEN SAID MASKING SYSTEM AND SAID LIGHT MODULATING MEDIUM FOR DIRECTING NON-DIFFRACTED LIGHT AWAY FROM SAID TRANSPARENT REGION AND FOR PORTRAYING AN IMAGE CORRESPONDING TO SAID DIFFRACTION GRATING BEYOND SAID MASKING SYSTEM, SAID MODULATING SYSTEM HAVING AN ORIENTATION SUBSTANTIALLY PERPENDICULAR TO THE LIGHT PATH BETWEEN SAID LENS SYSTEM AND SAID MODULATING MEDIUM.
Claim 2
Dependent Claim
147 words
AN OPTICAL SYSTEM FOR TRANSMITTING LIGHT AS A FUNCTION OF THE PARAMETERS OF A DIFFRACTION GRATING IN A REFLECTIVE LIGHT MODULATING MEDIUM, COMPRISING A SOURCE OF LIGHT, A MASKING SYSTEM COMPRISING A REFLECTING REGION FOR REFLECTING LIGHT FROM SAID SOURCE ON SAID LIGHT MODULATING MEDIUM AND A TRANSPARENT REGION FOR TRANSMITTING CERTAIN LIGHT DIFFRACTED BY SAID DIFFRACTION GRATING, AND A SINGLE LENS SYSTEM FIXEDLY MOUNTED TO SAID MASKING SYSTEM AT THE FOCAL LENGTH OF SAID LENS SYSTEM AWAY FROM SAID MASKING SYSTEM AND BEING GREATER THAN THE FOCAL LENGTH AWAY FROM SAID LIGHT MODULATING MEDIUM BETWEEN SAID MASKING SYSTEM AND SAID LIGHT MODULATING MEDIUM FOR DIRECTING NON-DIFFRACTED LIGHT AWAY FROM SAID TRANSPARENT REGION AND FOR PORTRAYING AN IMAGE CORRESPONDING TO SAID DIFFRACTION GRATING BEYOND SAID MASKING SYSTEM, SAID MODULATING SYSTEM HAVING AN ORIENTATION SUBSTANTIALLY PERPENDICULAR TO THE LIGHT PATH BETWEEN SAID LENS SYSTEM AND SAID MODULATING MEDIUM.
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |