US3093705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projecting system
Assignee: General Electric Co
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Filing: 1961-08-01
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Granted: 1963-06-11
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Expires: 1981-08-01
Abstract
No abstract record available.
Inventors
- 👤 Jr William E Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:03
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/31; H04N9/3102; H04N9/3105; H04N9/3108
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
A SYSTEM FOR PROJECTING INFORMATION CORRESPONDING TO A DISPLAY COMPRISING A LIGHT MODULATING MEDIUM, ELECTRICAL MEANS SUBJECTING SAID LIGHT MODULATING MEDIUM TO INTELLIGENCE SIGNALS FOR ESTABLISHING DIFFRACTION GRATINGS ON SAID MEDIUM CORRESPONDING TO SAID DISPLAY, AND AN OPTICAL SYSTEM COMPRISING SAID LIGHT MODULATING MEDIUM, A PROJECTION LENS AND LENS STOP AND A PROJECTION SCREEN ALL LOCATED SUBSTANTIALLY ON THE SAME AXIS, AND AT LEAST ONE LIGHT SOURCE ILLUMINATING SAID LIGHT MODULATING MEDIUM AT AN ANGLE TO SAID AXIS, SAID LENS STOP ACTING TO OBSTRUCT ZERO ORDER LIGHT FROM SAID LIGHT SOURCE.
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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |