JPS5699507A - Monitor control device - Google Patents

Monitor control device

Info

Publication number
JPS5699507A
JPS5699507A JP77880A JP77880A JPS5699507A JP S5699507 A JPS5699507 A JP S5699507A JP 77880 A JP77880 A JP 77880A JP 77880 A JP77880 A JP 77880A JP S5699507 A JPS5699507 A JP S5699507A
Authority
JP
Japan
Prior art keywords
row
cross
selective line
point
column
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
JP77880A
Other languages
Japanese (ja)
Other versions
JPS6217764B2 (en
Inventor
Yukihiro Yamada
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 JP77880A priority Critical patent/JPS5699507A/en
Publication of JPS5699507A publication Critical patent/JPS5699507A/en
Publication of JPS6217764B2 publication Critical patent/JPS6217764B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

PURPOSE:To prevent a perception error of the switching information of the spot contact, by connecting only a diode to the specified cross-point of the row selective line and the column selective line, by which the matrix is formed. CONSTITUTION:The diodes D11, D12-Dmn are connected to the cross-point of the first row selective line 241 and the first column selective line 231, the cross-point of the second row selective line 242 and the second column selective line 232, and the cross point of the n-th row selective line 24n and the n-th column selective line 23n, respectively. To other cross-points are connected the spot contact and a diode for preventing a roundabout, respectively. By means of said constitution, for instance, when the row selective circuit 241 has been selected, if the information from the digital input circuit 25 shows ''open-circuit'', it can be decided that one of the row and column selective lines 231, 241 is abnormal. Accordingly, it is possible to prevent a perception error of the switching information of the spot contact, which is caused by said abnormal state.
JP77880A 1980-01-08 1980-01-08 Monitor control device Granted JPS5699507A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP77880A JPS5699507A (en) 1980-01-08 1980-01-08 Monitor control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP77880A JPS5699507A (en) 1980-01-08 1980-01-08 Monitor control device

Publications (2)

Publication Number Publication Date
JPS5699507A true JPS5699507A (en) 1981-08-10
JPS6217764B2 JPS6217764B2 (en) 1987-04-20

Family

ID=11483152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP77880A Granted JPS5699507A (en) 1980-01-08 1980-01-08 Monitor control device

Country Status (1)

Country Link
JP (1) JPS5699507A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59189436A (en) * 1983-04-12 1984-10-27 Hitachi Heating Appliance Co Ltd Keyboard switch of electronic range
JP2012220070A (en) * 2011-04-07 2012-11-12 Rb Controls Co Heating cooker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59189436A (en) * 1983-04-12 1984-10-27 Hitachi Heating Appliance Co Ltd Keyboard switch of electronic range
JP2012220070A (en) * 2011-04-07 2012-11-12 Rb Controls Co Heating cooker

Also Published As

Publication number Publication date
JPS6217764B2 (en) 1987-04-20

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