US3352967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image projection system having electrically charged tape and electro-optical crystal
Assignee: North American Aviation Corp
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Filing: 1964-05-06
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Granted: 1967-11-14
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Expires: 1984-05-06
Abstract
No abstract record available.
Inventors
- 👤 Carl A Wiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:19
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
MEANS RESPONSIVE TO AN ELECTROSTATIC CHARGE PATTERN FOR PROVIDING A VISUAL DISPLAY IMAGE CORRESPONDING TO SAID PATTERN COMPRISING A PLATE OF ELECTRO-OPTIC MATERIAL, A FACE OF WHICH IS COATED WITH A TRANSPARENT, ELECTRICALLY-CONDUCTIVE FILM AND ADAPTED TO BE SUBJECTED TO LINEARLY POLARIZED LIGHT; A LIGHT-POLARIZATION ANALYZER ARRANGED TO BE SUBJECTED TO AN EMERGENT BEAM OF SAID LIGHT EMERGING FROM A FACE SAID MATERIAL; AND A DIELECTRIC TAPE HAVING A FACE CONTAINING SAID CHARGE PATTERN, SAID FACE OF SAID TAPE BEING SPACED PROXIMATE TO A FACE OF SAID MATERIAL OPPOSITE SAID COATED FACE FOR PRODUCING A BI-REFRINGENCE PAWTTERN IN SAID MATERIAL CORRESPONDING TO SAID CHARGE PATTERN.
Claim 2
Dependent Claim
105 words
MEANS RESPONSIVE TO AN ELECTROSTATIC CHARGE PATTERN FOR PROVIDING A VISUAL DISPLAY IMAGE CORRESPONDING TO SAID PATTERN COMPRISING A PLATE OF ELECTRO-OPTIC MATERIAL, A FACE OF WHICH IS COATED WITH A TRANSPARENT, ELECTRICALLY-CONDUCTIVE FILM AND ADAPTED TO BE SUBJECTED TO LINEARLY POLARIZED LIGHT; A LIGHT-POLARIZATION ANALYZER ARRANGED TO BE SUBJECTED TO AN EMERGENT BEAM OF SAID LIGHT EMERGING FROM A FACE SAID MATERIAL; AND A DIELECTRIC TAPE HAVING A FACE CONTAINING SAID CHARGE PATTERN, SAID FACE OF SAID TAPE BEING SPACED PROXIMATE TO A FACE OF SAID MATERIAL OPPOSITE SAID COATED FACE FOR PRODUCING A BI-REFRINGENCE PAWTTERN IN SAID MATERIAL CORRESPONDING TO SAID CHARGE PATTERN.
References Cited (Backward Citations)
US3040124A
Cited
US3015693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |