US3107314A
Expired / Lapsed
US
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Electroluminescent-ferroelectric-photoconductive display device
Assignee: Westinghouse Electric Corp
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Filing: 1961-08-23
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Granted: 1963-10-15
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Expires: 1981-08-23
Abstract
No abstract record available.
Inventors
- 👤 Juris A Asars
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:10
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/20; G09G3/22; G09G3/30; H; H04; H04N; H04N3/00; H04N3/10; H04N3/12; G09G2300/00; G09G2300/08; G09G2300/088; G09G2360/00; G09G2360/14; G09G2360/145; G09G2360/147; G09G2360/148
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN IMAGE DISPLAY APPARATUS OPERATIVE WITH INFORMATION SIGNALS HAVING TWO LEVELS THE COMVINATION OF, STORAGE MEANS OPERATIVE TO STORE SAID INFORMATION SIGNALS AT EITHER OF SAID LEVELS, ELECTROLUMINESCENT-FERROELECTRIC CIRCUIT MEANS OPERATIVE TO PROVIDE A LIGHT OUTPUT HAVING EITHER OF TWO STABLE STATES IN RESPONSE TO SAID STORED INFORMATION SIGNALS, STORAGE ADJUST MEANS OPERTIVE WITH SAID STORAGE MEANS TO SELECTIVELY ALLOW SAID STORAGE MEANS TO ADJUST IN RESPONSE TO THE THEN PRESENT LEVEL OF SAID INFORMATION SIGNALS, AND PHOTOCONDUCTOR STABLIZING MEANS RESPONSIVE TO SAID LIGHT OUTPUT TO MAINTAIN THE THEN PRESENT STABLE STATE.
Claim 2
Dependent Claim
92 words
IN IMAGE DISPLAY APPARATUS OPERATIVE WITH INFORMATION SIGNALS HAVING TWO LEVELS THE COMVINATION OF, STORAGE MEANS OPERATIVE TO STORE SAID INFORMATION SIGNALS AT EITHER OF SAID LEVELS, ELECTROLUMINESCENT-FERROELECTRIC CIRCUIT MEANS OPERATIVE TO PROVIDE A LIGHT OUTPUT HAVING EITHER OF TWO STABLE STATES IN RESPONSE TO SAID STORED INFORMATION SIGNALS, STORAGE ADJUST MEANS OPERTIVE WITH SAID STORAGE MEANS TO SELECTIVELY ALLOW SAID STORAGE MEANS TO ADJUST IN RESPONSE TO THE THEN PRESENT LEVEL OF SAID INFORMATION SIGNALS, AND PHOTOCONDUCTOR STABLIZING MEANS RESPONSIVE TO SAID LIGHT OUTPUT TO MAINTAIN THE THEN PRESENT STABLE STATE.
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) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |