US3200372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Error detection and correction system
Assignee: International Business Machines Corp
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Filing: 1960-07-26
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Granted: 1965-08-10
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Expires: 1980-07-26
Abstract
No abstract record available.
Inventors
- 👤 Hamburgen Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:32
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10; G06F11/1008; G06F11/1012; G06F11/104; G06V; G06V10/00; G06V10/98
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
156 words
IN A DATA PROCESSING SYSTEM IN WHICH DATA IS REPRESENTED BY DATA ITEMS ARRANGED IN GROUPS, EACH OF SAID ITEMS HAVING A PREASSIGNED DECIMAL NUMERICAL VALUE, AND EACH OF SAID GROUPS HAVING ASSOCIATED THEREWITH A CHECK ITEM HAVING A DECIMAL NUMERICAL VALUE DETERMINED BY THE UNITS ORDER SUM OF THE NUMERICAL VALUES OF THE DATA ITEMS IN THE CORRESPONDING GROUP, AND IN WHICH SYSTEM AN UNCERTAINING OF ANY ITEM IN A GROUP IS DESIGNATED BY AN UNCERTAINING INDICATION SUBSTITUTED FOR THE UNCERTAIN ITEM, MEANS FOR CORRECTING AN UNCERTAINITY OCCURRING IN ANY ONE OF SAID GROUPS COMPRISING, IN COMBINATION, STORAGE MEANS FOR RECEIVING AND STORING IN SEQUENCE DECIMAL NUMERICAL VALUES OF THE ITEMS IN SAID GROUPS AND UNCERTAINITY INDICATIONS IN EACH OF SAID GROUPS, ADDING MEANS CONNECTED TO SAID STORAGE MEANS FOR ADDING THE SUCCESSIVE NUMERICAL VALUES FOR EACH ITEM IN A GROUP AND FOR SUPPLYING THE COMPUTED UNITS ORDER SUM DIGIT FOR EACH OF SAID GROUPS
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |