US3105957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Negative resistance diode memory
Assignee: RCA Corp
•
Filing: 1959-10-02
•
Granted: 1963-10-01
•
Expires: 1979-10-02
Abstract
No abstract record available.
Inventors
- 👤 Li Kam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:10
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/34; G11C11/36; G11C11/38; H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/58; G11C2211/00; G11C2211/56; G11C2211/561; G11C2211/5614
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
IN A MEMORY SYSTEM, A MEMORY PLANE COMPRISING A PLURALITY OF MEMORY ELEMENTS; A PLURALITY OF X LEADS; A LIKE PLURALITY OF Y LEADS, EACH MEMORY ELEMENT BEING COUPLED TO ONE X LEAD AND ALL ELEMENTS BEING COUPLED TO A DIFFERENT PAIR OF SAID LEADS; A REFERENCE PLANE INCLUDING THE SAME NUMBER OF REFERENCE ELEMENTS AS SAID MEMORY ELEMENTS AND POSITIONED IN THE REFERENCE PLANE AT PLACES CORRESPONDING TO THE POSITIONS OF THE MEMORY ELEMENTS; A SECOND PLURALITY OF X LEADS; A SECOND PLURALITY OF Y LEADS; EACH REFERENCE ELEMENT BEING COUPLED TO ONE X LEAD AND ONE Y LEAD OF SAID SECOND PLURALITIES AND ALL SAID REFERENCE ELEMENTS HAVING COUPLINGS TO SAID LEADS CORRESPONDING TO THE COUPLINGS OF THE MEMORY ELEMENTS TO THE X AND Y LEADS OF THE MEMORY PLANE, SAID MEMORY ELEMENTS BEING CAPABLE OF BEING SWITCHED FROM ONE CONDITION TO ANOTHER BY A COINCIDENT CURRENT WRITE PULSES AND SAID REFERENCE ELEMENTS NOT BEING CAPABLE OF
Claim 2
Dependent Claim
159 words
IN A MEMORY SYSTEM, A MEMORY PLANE COMPRISING A PLURALITY OF MEMORY ELEMENTS; A PLURALITY OF X LEADS; A LIKE PLURALITY OF Y LEADS, EACH MEMORY ELEMENT BEING COUPLED TO ONE X LEAD AND ALL ELEMENTS BEING COUPLED TO A DIFFERENT PAIR OF SAID LEADS; A REFERENCE PLANE INCLUDING THE SAME NUMBER OF REFERENCE ELEMENTS AS SAID MEMORY ELEMENTS AND POSITIONED IN THE REFERENCE PLANE AT PLACES CORRESPONDING TO THE POSITIONS OF THE MEMORY ELEMENTS; A SECOND PLURALITY OF X LEADS; A SECOND PLURALITY OF Y LEADS; EACH REFERENCE ELEMENT BEING COUPLED TO ONE X LEAD AND ONE Y LEAD OF SAID SECOND PLURALITIES AND ALL SAID REFERENCE ELEMENTS HAVING COUPLINGS TO SAID LEADS CORRESPONDING TO THE COUPLINGS OF THE MEMORY ELEMENTS TO THE X AND Y LEADS OF THE MEMORY PLANE, SAID MEMORY ELEMENTS BEING CAPABLE OF BEING SWITCHED FROM ONE CONDITION TO ANOTHER BY A COINCIDENT CURRENT WRITE PULSES AND SAID REFERENCE ELEMENTS NOT BEING CAPABLE OF
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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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |