JPS5395532A - Error correction system for read only memory unit - Google Patents

Error correction system for read only memory unit

Info

Publication number
JPS5395532A
JPS5395532A JP1041277A JP1041277A JPS5395532A JP S5395532 A JPS5395532 A JP S5395532A JP 1041277 A JP1041277 A JP 1041277A JP 1041277 A JP1041277 A JP 1041277A JP S5395532 A JPS5395532 A JP S5395532A
Authority
JP
Japan
Prior art keywords
read
error correction
memory unit
correction system
memory
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1041277A
Other languages
Japanese (ja)
Other versions
JPS604495B2 (en
Inventor
Iwao Negishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP52010412A priority Critical patent/JPS604495B2/en
Publication of JPS5395532A publication Critical patent/JPS5395532A/en
Publication of JPS604495B2 publication Critical patent/JPS604495B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Techniques For Improving Reliability Of Storages (AREA)
  • Read Only Memory (AREA)

Abstract

PURPOSE: To correct error by adding a simple error detection and the area designation circuit for the elements, by constituting the memory exclusive unit with the read only memory of a large capacity and by memorizing the same content in a pulurality of areas in one element.
COPYRIGHT: (C)1978,JPO&Japio
JP52010412A 1977-02-01 1977-02-01 Error correction method for read-only storage devices Expired JPS604495B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52010412A JPS604495B2 (en) 1977-02-01 1977-02-01 Error correction method for read-only storage devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52010412A JPS604495B2 (en) 1977-02-01 1977-02-01 Error correction method for read-only storage devices

Publications (2)

Publication Number Publication Date
JPS5395532A true JPS5395532A (en) 1978-08-21
JPS604495B2 JPS604495B2 (en) 1985-02-04

Family

ID=11749422

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52010412A Expired JPS604495B2 (en) 1977-02-01 1977-02-01 Error correction method for read-only storage devices

Country Status (1)

Country Link
JP (1) JPS604495B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538609A (en) * 1978-09-04 1980-03-18 Nec Corp Error recovery processing system for read-only memory
JPS58213349A (en) * 1982-06-07 1983-12-12 Nec Corp Information processor
JPS6063651A (en) * 1983-09-17 1985-04-12 Nippon Telegr & Teleph Corp <Ntt> Storage device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5538609A (en) * 1978-09-04 1980-03-18 Nec Corp Error recovery processing system for read-only memory
JPS58213349A (en) * 1982-06-07 1983-12-12 Nec Corp Information processor
JPS6063651A (en) * 1983-09-17 1985-04-12 Nippon Telegr & Teleph Corp <Ntt> Storage device

Also Published As

Publication number Publication date
JPS604495B2 (en) 1985-02-04

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