Patent US4901064A successfully refreshed from Google Patents.
Patent US3079591A successfully refreshed from Google Patents.
US3079591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Memory devices
Assignee: NCR Voyix Corp
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Filing: 1959-03-27
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Granted: 1963-02-26
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Expires: 1979-03-27
Abstract
No abstract record available.
Inventors
- 👤 John R Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:12
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
AN INFORMATION STORAGE DEVICE COMPRISING, IN COMBINATION, A PLURALITY OF FERROELECTRIC ELEMENTS ARRANGED IN ROWS AND COLUMNS; A CORRESPONDING PLURALITY OF PHOTOCONDUCTIVE ELEMENTS ARRANGED IN ROWS AND COLUMS, EACH PHOTOCONDUCTIVE ELEMENT BEING SERIALLY COUPLED TO A FERROELECTRIC ELEMENT TO FORM A PAIR OF ASSOCIATED ELEMENTS; A PLURALITY OF CONDUCTORS INCLUDING A CONDUCTOR COUPLED TO ALL OF THE PAIRS OF ASSOCIATED ELEMENTS OF EACH ROW AND A CONDUCTOR COUPLED TO ALL OF THE PAIRS OF ASSOCIATED ELEMENTS OF EACH COLUMN, SAID CONDUCTORS BEING EFFECTIVE TO APPLY ELECTRICAL FIELDS ACROSS THE FERROELECTRIC ELEMENTS TO POLARIZE SAID ELEMENTS IN A GIVEN DIRECTION FOR THE STORAGE OF INFORMATION THEREIN; AND FURTHER PHOTOCONDUCTIVE MEANS ASSOCIATED WITH CERTAIN OF SAID CONDUCTORS TO COOPERATE WITH THE FIRST-MENTIONED PHOTOCONDUCTIVE ELEMENTS FOR SELECTING INDIVIDUAL FERROELECTRIC ELEMENTS FOR THE STORAGE OF INFORMATION THEREIN.
Claim 2
Dependent Claim
133 words
AN INFORMATION STORAGE DEVICE COMPRISING, IN COMBINATION, A PLURALITY OF FERROELECTRIC ELEMENTS ARRANGED IN ROWS AND COLUMNS; A CORRESPONDING PLURALITY OF PHOTOCONDUCTIVE ELEMENTS ARRANGED IN ROWS AND COLUMS, EACH PHOTOCONDUCTIVE ELEMENT BEING SERIALLY COUPLED TO A FERROELECTRIC ELEMENT TO FORM A PAIR OF ASSOCIATED ELEMENTS; A PLURALITY OF CONDUCTORS INCLUDING A CONDUCTOR COUPLED TO ALL OF THE PAIRS OF ASSOCIATED ELEMENTS OF EACH ROW AND A CONDUCTOR COUPLED TO ALL OF THE PAIRS OF ASSOCIATED ELEMENTS OF EACH COLUMN, SAID CONDUCTORS BEING EFFECTIVE TO APPLY ELECTRICAL FIELDS ACROSS THE FERROELECTRIC ELEMENTS TO POLARIZE SAID ELEMENTS IN A GIVEN DIRECTION FOR THE STORAGE OF INFORMATION THEREIN; AND FURTHER PHOTOCONDUCTIVE MEANS ASSOCIATED WITH CERTAIN OF SAID CONDUCTORS TO COOPERATE WITH THE FIRST-MENTIONED PHOTOCONDUCTIVE ELEMENTS FOR SELECTING INDIVIDUAL FERROELECTRIC ELEMENTS FOR THE STORAGE OF INFORMATION THEREIN.
References Cited (Backward Citations)
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Cited
US2904626A
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US2877376A
Cited
US2905830A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |