JPS5277993A - Numeric controller - Google Patents

Numeric controller

Info

Publication number
JPS5277993A
JPS5277993A JP50154443A JP15444375A JPS5277993A JP S5277993 A JPS5277993 A JP S5277993A JP 50154443 A JP50154443 A JP 50154443A JP 15444375 A JP15444375 A JP 15444375A JP S5277993 A JPS5277993 A JP S5277993A
Authority
JP
Japan
Prior art keywords
random access
access memory
numeric controller
matching
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.)
Pending
Application number
JP50154443A
Other languages
Japanese (ja)
Inventor
Yasuo Shimada
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 JP50154443A priority Critical patent/JPS5277993A/en
Publication of JPS5277993A publication Critical patent/JPS5277993A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To improve safety and reliability of random access memory in such a manner that matching data are provided in read only memory and random access memory for matching and detecting abnormarity in random access memory.
COPYRIGHT: (C)1977,JPO&Japio
JP50154443A 1975-12-24 1975-12-24 Numeric controller Pending JPS5277993A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50154443A JPS5277993A (en) 1975-12-24 1975-12-24 Numeric controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50154443A JPS5277993A (en) 1975-12-24 1975-12-24 Numeric controller

Publications (1)

Publication Number Publication Date
JPS5277993A true JPS5277993A (en) 1977-06-30

Family

ID=15584303

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50154443A Pending JPS5277993A (en) 1975-12-24 1975-12-24 Numeric controller

Country Status (1)

Country Link
JP (1) JPS5277993A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53109078A (en) * 1977-03-07 1978-09-22 Tokyo Electric Power Co Inc:The Digital arithmatic unit
JPS5595154A (en) * 1978-12-27 1980-07-19 Cii Device for testing control characters stored in memory
EP0027317A2 (en) * 1979-09-18 1981-04-22 Fanuc Ltd. Sequence control system for numerically controlled machine tool
JPS58167940U (en) * 1982-04-30 1983-11-09 株式会社島津製作所 Program data check device for complex arithmetic unit
JPS59165043U (en) * 1983-04-15 1984-11-06 株式会社東芝 Malfunction prevention circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50120931A (en) * 1974-03-11 1975-09-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50120931A (en) * 1974-03-11 1975-09-22

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53109078A (en) * 1977-03-07 1978-09-22 Tokyo Electric Power Co Inc:The Digital arithmatic unit
JPS5595154A (en) * 1978-12-27 1980-07-19 Cii Device for testing control characters stored in memory
JPS6258021B2 (en) * 1978-12-27 1987-12-03 See Ii Ii Haneueru Buru
EP0027317A2 (en) * 1979-09-18 1981-04-22 Fanuc Ltd. Sequence control system for numerically controlled machine tool
JPS58167940U (en) * 1982-04-30 1983-11-09 株式会社島津製作所 Program data check device for complex arithmetic unit
JPS59165043U (en) * 1983-04-15 1984-11-06 株式会社東芝 Malfunction prevention circuit

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