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JPS5635213A - Symbol converting system - Google Patents

Symbol converting system

Info

Publication number
JPS5635213A
JPS5635213A JP11080279A JP11080279A JPS5635213A JP S5635213 A JPS5635213 A JP S5635213A JP 11080279 A JP11080279 A JP 11080279A JP 11080279 A JP11080279 A JP 11080279A JP S5635213 A JPS5635213 A JP S5635213A
Authority
JP
Japan
Prior art keywords
branch
memory
circuit
symbol
ladder circuit
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
JP11080279A
Other languages
Japanese (ja)
Other versions
JPS6129002B2 (en
Inventor
Katsuhide Morimoto
Masatoshi Fukushima
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP11080279A priority Critical patent/JPS5635213A/en
Publication of JPS5635213A publication Critical patent/JPS5635213A/en
Publication of JPS6129002B2 publication Critical patent/JPS6129002B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control By Computers (AREA)
  • Programmable Controllers (AREA)

Abstract

PURPOSE: To secure a conversion into Boolean algebra equation just through the input of both the contact information and the branch information of the ladder circuit, by storing successively the branch symbols of the ladder circuit and then giving the degeneration process.
CONSTITUTION: The ladder circuit is decomposed into the contact symbol and the branch symbol and then supplied to the branch symbol selecting circuit 2 as well as to the 2nd memory 6 via the input terminal 1. And the branch symbol selected through the circuit 2 is stored in the 1st memory 6. Then the branch degenerating circuit 4 carries out a degeneration process based on the combination of the branch symbols read out of the memory 3 as well as the combination of the contact symbols given from the memory 6. With repetition of this process, no branch symbol exists any more within the memory 3. And thus the ladder circuit can be converted into the Boolean algebra equation. In such way, a simple conversion is possible into the Boolean algebra equation just by supplying both the contact information and the branch information of the ladder circuit.
COPYRIGHT: (C)1981,JPO&Japio
JP11080279A 1979-08-29 1979-08-29 Symbol converting system Granted JPS5635213A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11080279A JPS5635213A (en) 1979-08-29 1979-08-29 Symbol converting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11080279A JPS5635213A (en) 1979-08-29 1979-08-29 Symbol converting system

Publications (2)

Publication Number Publication Date
JPS5635213A true JPS5635213A (en) 1981-04-07
JPS6129002B2 JPS6129002B2 (en) 1986-07-03

Family

ID=14545013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11080279A Granted JPS5635213A (en) 1979-08-29 1979-08-29 Symbol converting system

Country Status (1)

Country Link
JP (1) JPS5635213A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4485821A (en) * 1981-08-28 1984-12-04 Tokyo Shibaura Denki Kabushiki Kaisha Doppler effect blood flow sensing device displaying signals lying within a band width related to sampling frequency
JP2008102563A (en) * 2006-10-17 2008-05-01 Meidensha Corp Programmable controller calculation method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5472384A (en) * 1977-11-18 1979-06-09 Nissan Motor Co Ltd Sequence controller

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5472384A (en) * 1977-11-18 1979-06-09 Nissan Motor Co Ltd Sequence controller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4485821A (en) * 1981-08-28 1984-12-04 Tokyo Shibaura Denki Kabushiki Kaisha Doppler effect blood flow sensing device displaying signals lying within a band width related to sampling frequency
JP2008102563A (en) * 2006-10-17 2008-05-01 Meidensha Corp Programmable controller calculation method

Also Published As

Publication number Publication date
JPS6129002B2 (en) 1986-07-03

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