US3305830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Error correcting redundant logic circuitry
Assignee: International Business Machines Corp
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Filing: 1963-05-24
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Granted: 1967-02-21
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Expires: 1983-05-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Gregory Constantine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:11
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/16; G06F11/18; G06F11/187; H; H03; H03K; H03K19/00; H03K19/003; H03K19/00392
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A LOGICAL CIRCUIT INCLUDING: MEANS FOR GENERATING MULTIPLE REPRESENTATIONS OF EACH OF A PLURALITY OF OPERANDS; AND THRESHOLD DEVICES, EACH THRESHOLD DEVICE HAVING A THRESHOLD WHICH DIFFERS FROM A TRUE LOGICAL FUNCTION BY THE NUMBER OF EXPECTED ERRORS PER LEVEL OF LOGIC, EACH ACTING ON MULTIPLE REPRESENTATIONS OF EACH OPERAND AND PROVIDING OUTPUTS ACCORDING TO THE PRESENCE OF A PREDETERMINED NUMBER OF SAID REPRESENTATIONS.
Claim 2
Dependent Claim
64 words
A LOGICAL CIRCUIT INCLUDING: MEANS FOR GENERATING MULTIPLE REPRESENTATIONS OF EACH OF A PLURALITY OF OPERANDS; AND THRESHOLD DEVICES, EACH THRESHOLD DEVICE HAVING A THRESHOLD WHICH DIFFERS FROM A TRUE LOGICAL FUNCTION BY THE NUMBER OF EXPECTED ERRORS PER LEVEL OF LOGIC, EACH ACTING ON MULTIPLE REPRESENTATIONS OF EACH OPERAND AND PROVIDING OUTPUTS ACCORDING TO THE PRESENCE OF A PREDETERMINED NUMBER OF SAID REPRESENTATIONS.
References Cited (Backward Citations)
US2942193A
Cited
US3016517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |