US3317900A
Expired / Lapsed
US
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Adaptive logic system
Assignee: International Business Machines Corp
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Filing: 1963-12-23
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Granted: 1967-05-02
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Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Genung L Clapper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:29
CPC Classifications
G; G06; G06N; G06N3/00; G06N3/02; G06N3/06; G06N3/063; G11; G11C; G11C15/00; H; H03; H03K; H03K19/00; H03K19/02; H03K19/173; H03K19/1733
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
312 words
AN ADAPTIVE LOGIC SYSTEM COMPRISING, IN COMBINATION, A PLURALITY OF METASTABLE MEMORY UNITS EACH UNIT HAVING A PLURALITY OF STABLE CONDITIONS ON EACH SIDE OF A NEUTRAL CONDITION, EACH SAID MEMORY UNIT HAVING TWO OUTPUT CIRCUITS, THE OUTPUT SIGNALS ON SAID CIRCUITS BEING BALANCED WHEN SAID MEMORY UNIT IS IN ITS NEUTRAL CONDITION AND UNBALANCED IN ONE DIRECTION OR THE OTHER WHEN SAID UNIT IS DISPLACED TO ONE SIDE OR THE OTHER OF SAID NEUTRAL CONDITION; INPUT MEANS CONNECTED TO SAID MEMORY UNITS FOR SETTING SAID UNITS IN SELECTED CONDITIONS; A PAIR OF MEMORY OUTPUT SIGNAL LINES CONNECTED TO THE OUTPUT CIRCUITS OF ALL OF SAID MEMORY UNITS; BALANCE DECISION MEANS CONNECTED TO SAID OUTPUT SIGNAL LINES AND RESPONSIVE TO SIGNALS ON SAID LINES TO PROVIDE A FIRST OUTPUT WHEN THE SIGNALS ON SAID MEMORY OUTPUT LINES ARE EQUAL, A SECOND OUTPUT WHEN THE SIGNALS ON SAID MEMORY OUTPUT LINES ARE UNBALANCED IN A FIRST RELATION, AND A THIRD OUTPUT WHEN THE SIGNALS ON SAID MEMORY OUTPUT LINES ARE UNBALANCED IN A SECOND RELATION; CONDITIONING MEANS FOR CONTROLLING THE CONDITIONING OF SAID MEMORY UNITS TO SELECTED CONDITIONS IN RESPONSE TO INPUT SIGNALS, SAID CONDITIONING MEANS BEING CONTROLLED BY SAID BALANCE DECISION MEANS TO CONDITION SAID MEMORY UNITS IN A DIRECTION TO DISPLACE SAID UNITS FROM THE CONDITION INDICATED BY SAID BALANCE DETECTION UNIT; TRAINING MEANS SETTABLE TO SELECTED CONDITIONS REPRESENTING DESIRED OUTPUTS, SAID TRAINING MEANS GOVERNING SAID CONDITIONING MEANS TO RENDER SAID CONDITIONING MEANS RESPONSIVE TO GOVERN SAID MEMORY UNITS WHEN A VARIANCE EXISTS BETWEEN THE DESIRED OUTPUT AS SELECTED BY SAID TRAINING MEANS AND THE ACTUAL OUTPUT OF SAID MEMORY UNITS AS INDICATED BY SAID BALANCE DETECTING MEANS; AND FORCED CONDITIONING MEANS FOR SELECTIVELY DISABLING THE CONTROL OF SAID CONDITIONING MEANS BY SAID BALANCE DECISION UNITS SO THAT THE OUTPUT OF SAID MEMORY UNITS IS NOT EFFECTIVE IN CONTROLLING THEIR CONDITIONING.
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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |