IT1177492B - Sistema di elaboratore con sicurezza di memoria migliorata - Google Patents
Sistema di elaboratore con sicurezza di memoria migliorataInfo
- Publication number
- IT1177492B IT1177492B IT24167/84A IT2416784A IT1177492B IT 1177492 B IT1177492 B IT 1177492B IT 24167/84 A IT24167/84 A IT 24167/84A IT 2416784 A IT2416784 A IT 2416784A IT 1177492 B IT1177492 B IT 1177492B
- Authority
- IT
- Italy
- Prior art keywords
- information
- data
- memory
- data element
- regular
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
- G06F11/1012—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
- G06F11/1048—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using arrangements adapted for a specific error detection or correction feature
- G06F11/106—Correcting systematically all correctable errors, i.e. scrubbing
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08333984A GB2158622A (en) | 1983-12-21 | 1983-12-21 | Computer controlled systems |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8424167A0 IT8424167A0 (it) | 1984-12-21 |
IT1177492B true IT1177492B (it) | 1987-08-26 |
Family
ID=10553610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24167/84A IT1177492B (it) | 1983-12-21 | 1984-12-21 | Sistema di elaboratore con sicurezza di memoria migliorata |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0165986A1 (it) |
AU (1) | AU3788185A (it) |
GB (1) | GB2158622A (it) |
IT (1) | IT1177492B (it) |
WO (1) | WO1985002925A1 (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5699509A (en) * | 1995-06-07 | 1997-12-16 | Abbott Laboratories | Method and system for using inverted data to detect corrupt data |
WO2016063592A1 (ja) * | 2014-10-24 | 2016-04-28 | ソニー株式会社 | メモリコントローラ、メモリシステム、および、メモリコントローラの制御方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2036517B2 (de) * | 1970-07-23 | 1972-10-19 | Ibm Deutschland Gmbh, 7000 Stuttgart | Verfahren zum betrieb eines schadhafte speicherelemente enthaltenden speichers fuer programmgesteuerte elektronische datenverarbeitungsanlagen |
GB1344474A (en) * | 1971-03-04 | 1974-01-23 | Plessey Co Ltd | Fault detection and handling arrangements for use in data proces sing systems |
US3768071A (en) * | 1972-01-24 | 1973-10-23 | Ibm | Compensation for defective storage positions |
SE387764B (sv) * | 1975-09-16 | 1976-09-13 | Ericsson Telefon Ab L M | Sett att upptecka fel i en minnesanordning och kategoritillempningslogik for utforande av settet |
GB2099616A (en) * | 1981-06-03 | 1982-12-08 | Jpm Automatic Machines Ltd | Improvements relating to microprocessor units |
US4525599A (en) * | 1982-05-21 | 1985-06-25 | General Computer Corporation | Software protection methods and apparatus |
GB2122777A (en) * | 1982-06-16 | 1984-01-18 | Open Computer Services Limited | Software protection apparatus and method |
EP0097621A1 (de) * | 1982-06-21 | 1984-01-04 | SPL Software Protect AG | Verfahren zur Verschleierung digitaler Information und Vorrichtung zur Durchführung des Verfahrens |
EP0114522A3 (en) * | 1982-12-27 | 1986-12-30 | Synertek Inc. | Rom protection device |
GB8302096D0 (en) * | 1983-01-26 | 1983-03-02 | Int Computers Ltd | Software protection in computer systems |
-
1983
- 1983-12-21 GB GB08333984A patent/GB2158622A/en not_active Withdrawn
-
1984
- 1984-12-20 AU AU37881/85A patent/AU3788185A/en not_active Abandoned
- 1984-12-20 WO PCT/GB1984/000445 patent/WO1985002925A1/en unknown
- 1984-12-20 EP EP85900483A patent/EP0165986A1/en not_active Withdrawn
- 1984-12-21 IT IT24167/84A patent/IT1177492B/it active
Also Published As
Publication number | Publication date |
---|---|
GB2158622A (en) | 1985-11-13 |
IT8424167A0 (it) | 1984-12-21 |
GB8333984D0 (en) | 1984-02-01 |
EP0165986A1 (en) | 1986-01-02 |
WO1985002925A1 (en) | 1985-07-04 |
AU3788185A (en) | 1985-07-12 |
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