US3163848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double error correcting system
Assignee: International Business Machines Corp
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Filing: 1959-12-22
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Granted: 1964-12-29
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Expires: 1979-12-22
Abstract
No abstract record available.
Inventors
- 👤 Norman M Abramson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:41
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/004; H04L1/0056; H04L1/0057; H03; H03M; H03M13/00; H03M13/03; H03M13/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN COMBINATION WITH AN INFORMATION HANDLING SYSTEM HAVING A SOURCE OF BINARY CODED MULTI-BIT DATA SIGNALS AND DEVICE FOR UTILIZING SAID SIGNALS, AN ERROR CORRECTING SYSTEM INTERCONNECTING SAID DATA SOURCE AND SAID UTILIZATION DEVICE OPERABLE TO DETECT, LOCATE AND CORRECT TWO TYPES OF RELATED ERRORS OCCURING DURING THE TRANSLATION OF SAID DATA SIGNALS TO SAID DEVICE, SAID CORRECTING SYSTEM INCLUDING AN ENCODER, A DECODER AND SIGNAL TRANSLATIANG MEANS CONNECTED THEREBETWEEN, SAID ENCODER COMPRISING MEANS FOR SUPPLYING TO SAID SIGNAL TRANSLATING MEANS A CODE GROUP SIGNAL CONSISTING OF A PREDETERMINED NUMBER OF DATA BITS, A PREDETERMINED NUMBER OF LOCATOR PARITY BITS AND AN ERROR-TYPE PARITY BIT, SAID SUPPLYING MEANS INCLUDING MEANS FOR GENERATING SAID LOCATOR PARITY BITS FROM BIT
Claim 2
Dependent Claim
118 words
IN COMBINATION WITH AN INFORMATION HANDLING SYSTEM HAVING A SOURCE OF BINARY CODED MULTI-BIT DATA SIGNALS AND DEVICE FOR UTILIZING SAID SIGNALS, AN ERROR CORRECTING SYSTEM INTERCONNECTING SAID DATA SOURCE AND SAID UTILIZATION DEVICE OPERABLE TO DETECT, LOCATE AND CORRECT TWO TYPES OF RELATED ERRORS OCCURING DURING THE TRANSLATION OF SAID DATA SIGNALS TO SAID DEVICE, SAID CORRECTING SYSTEM INCLUDING AN ENCODER, A DECODER AND SIGNAL TRANSLATIANG MEANS CONNECTED THEREBETWEEN, SAID ENCODER COMPRISING MEANS FOR SUPPLYING TO SAID SIGNAL TRANSLATING MEANS A CODE GROUP SIGNAL CONSISTING OF A PREDETERMINED NUMBER OF DATA BITS, A PREDETERMINED NUMBER OF LOCATOR PARITY BITS AND AN ERROR-TYPE PARITY BIT, SAID SUPPLYING MEANS INCLUDING MEANS FOR GENERATING SAID LOCATOR PARITY BITS FROM BIT
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) | 1967-12-29 | 1968-06-29 | 1968-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-29 | 1972-06-29 | 1972-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-29 | 1976-06-29 | 1976-12-29 | $7700.00 | Window Closed / Lapsed |