US3145368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroluminescent storage and readout system
Assignee: AT&T Inc
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Filing: 1959-11-16
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Granted: 1964-08-18
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Expires: 1979-11-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles W Hoover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:59
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/42; G11C13/00; G11C13/04; G11C13/042; G11C13/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
AN INFORMATION STORAGE AND READ-OUT SYSTEM COMPRISING AN ELECTROLUMINESCENT DEVICE HAVING ACCESS CONDUCTORS ARRANGED IN ROWS AND COLUMNS AND DEFINING A PLURALITY OF ACCESS CROSSPOINTS, MEANS FOR SELECTING A ROW AND A COLUMN CONDUCTOR, MEANS FOR APPLYING AN INPUT SIGNAL AT A FIRST FREQUENCY TO THE SELECTED ROW CONDUCTOR, MEANS FOR APPLYING AN INPUT SIGNAL AT A SECOND FREQUENCY TO THE SELECTED COLUMN CONDUCTOR, AN INFORMAION STORAGE SLIDE POSITIONED TO RECEIVE LIGHT FROM SAID ELECTROLUMINESCENT DEVICE, LIGHT-SENSITIVE MEANS FOR GENERATING ELECTRICAL SIGNALS IN REPSONSE TO THE LIGHT TRANSMITTED FROM SAID ELECTROLUMINESCENT DEVICE THROUGH SAID SLIDE, AND A TUNED CIRCUIT CONNECTED TO SAID LIGHT-SENSITIVE DEVICE AND RESONANT AT ONE OF THE DISTINCT FREQUENCIES OF LIGHT EMITTED FROM THE CROSSPOINT OF SAID SELECTED ACCESS ROW AND COLUMN CONDUCTORS.
Claim 2
Dependent Claim
126 words
AN INFORMATION STORAGE AND READ-OUT SYSTEM COMPRISING AN ELECTROLUMINESCENT DEVICE HAVING ACCESS CONDUCTORS ARRANGED IN ROWS AND COLUMNS AND DEFINING A PLURALITY OF ACCESS CROSSPOINTS, MEANS FOR SELECTING A ROW AND A COLUMN CONDUCTOR, MEANS FOR APPLYING AN INPUT SIGNAL AT A FIRST FREQUENCY TO THE SELECTED ROW CONDUCTOR, MEANS FOR APPLYING AN INPUT SIGNAL AT A SECOND FREQUENCY TO THE SELECTED COLUMN CONDUCTOR, AN INFORMAION STORAGE SLIDE POSITIONED TO RECEIVE LIGHT FROM SAID ELECTROLUMINESCENT DEVICE, LIGHT-SENSITIVE MEANS FOR GENERATING ELECTRICAL SIGNALS IN REPSONSE TO THE LIGHT TRANSMITTED FROM SAID ELECTROLUMINESCENT DEVICE THROUGH SAID SLIDE, AND A TUNED CIRCUIT CONNECTED TO SAID LIGHT-SENSITIVE DEVICE AND RESONANT AT ONE OF THE DISTINCT FREQUENCIES OF LIGHT EMITTED FROM THE CROSSPOINT OF SAID SELECTED ACCESS ROW AND COLUMN CONDUCTORS.
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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |