JPS52153632A - Memory correction system - Google Patents

Memory correction system

Info

Publication number
JPS52153632A
JPS52153632A JP6970376A JP6970376A JPS52153632A JP S52153632 A JPS52153632 A JP S52153632A JP 6970376 A JP6970376 A JP 6970376A JP 6970376 A JP6970376 A JP 6970376A JP S52153632 A JPS52153632 A JP S52153632A
Authority
JP
Japan
Prior art keywords
correction system
memory correction
rom
memory
submemory
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.)
Pending
Application number
JP6970376A
Other languages
Japanese (ja)
Inventor
Tsuneo Kato
Takatoshi Ishii
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP6970376A priority Critical patent/JPS52153632A/en
Publication of JPS52153632A publication Critical patent/JPS52153632A/en
Pending legal-status Critical Current

Links

Landscapes

  • Read Only Memory (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)

Abstract

PURPOSE: To enable easy back up for ROM defection, by providing the submemory unit in parallel with ROM'.
COPYRIGHT: (C)1977,JPO&Japio
JP6970376A 1976-06-16 1976-06-16 Memory correction system Pending JPS52153632A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6970376A JPS52153632A (en) 1976-06-16 1976-06-16 Memory correction system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6970376A JPS52153632A (en) 1976-06-16 1976-06-16 Memory correction system

Publications (1)

Publication Number Publication Date
JPS52153632A true JPS52153632A (en) 1977-12-20

Family

ID=13410464

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6970376A Pending JPS52153632A (en) 1976-06-16 1976-06-16 Memory correction system

Country Status (1)

Country Link
JP (1) JPS52153632A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58186875A (en) * 1982-04-26 1983-10-31 Sharp Corp Program alteration system of electronic cash register or the like
JPS5958475A (en) * 1982-08-06 1984-04-04 ザ・バブコック・アンド・ウイルコックス・カンパニー Color graphic crt display using writable character font
JPS60221792A (en) * 1985-03-20 1985-11-06 株式会社日立製作所 Character generation circuit
JPS61230699A (en) * 1985-04-05 1986-10-14 Nippon Denki Kanji Syst Kk Storage system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58186875A (en) * 1982-04-26 1983-10-31 Sharp Corp Program alteration system of electronic cash register or the like
JPS5958475A (en) * 1982-08-06 1984-04-04 ザ・バブコック・アンド・ウイルコックス・カンパニー Color graphic crt display using writable character font
JPS60221792A (en) * 1985-03-20 1985-11-06 株式会社日立製作所 Character generation circuit
JPS61230699A (en) * 1985-04-05 1986-10-14 Nippon Denki Kanji Syst Kk Storage system

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