Patent US3089126A successfully refreshed from Google Patents.
US3089126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Negative resistance diode memory
Assignee: RCA Corp
•
Filing: 1959-09-08
•
Granted: 1963-05-07
•
Expires: 1979-09-08
Abstract
No abstract record available.
Inventors
- 👤 James C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:10
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/58; G; G11; G11C; G11C11/00; G11C11/21; G11C11/34; G11C11/36; G11C11/38
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
181 words
A MEMORY SYSTEM COMPRISING IN COMBINATION, A PLURALITY OF TUNNEL DIODES; A PLURALITY OF X LEADS; A LIKE PLURALITY OF Y LEADS, EACH DIODE BEING CONNECTED TO ONE X LEAD AND ONE Y LEAD, AND ALL DIODES BEING CONNECTED TO DIFFERENT PAIRS OF SAID LEADS; A CIRCUIT FOR READING INFORMATION STORED IN THE DIODES OUT OF THE DIODES INCLUDING MEANS FOR APPLYING A DIRECT-CURRENT PULSE TO ONE OF THE X LEADS AND A CONCURRENT DIRECT-CURRENT PULSE TO ONE OF THE Y LEADS, SAID TWO PULSES TOGETHER HAVING AN AMPLITUDE SUFFICIENT TO SWITCH THE DIODE CONNECTED TO SAID ONE X AND SAID ONE Y LEAD FROM ONE OF ITS STABLE STATES TO ANOTHER, WHEREBY IF SAID DIODE IS IN SAID ONE STATE INITIALLY, IT IS SWITCHED AND IF IS IT NOT, IT IS NOT SWITCHED; A RESONANT CIRCUIT CONNECTED TO EACH DIODE AND RESPONSIVE TO THE TRANSIENT ACROSS ITS DIODE WHEN ITS DIODE IS SWITCHED FOR PRODUCING A RINGING OSCILLATION; AND A CIRCUIT INCLUDING AN ANTENNA WHICH IS COMMON TO ALL OF SAID DIODES FOR RECEIVING ENERGY AT THE RINGING OSCILLATION FREQUENCY.
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |