JPS54159834A - Logic conversion circuit - Google Patents

Logic conversion circuit

Info

Publication number
JPS54159834A
JPS54159834A JP6835678A JP6835678A JPS54159834A JP S54159834 A JPS54159834 A JP S54159834A JP 6835678 A JP6835678 A JP 6835678A JP 6835678 A JP6835678 A JP 6835678A JP S54159834 A JPS54159834 A JP S54159834A
Authority
JP
Japan
Prior art keywords
power source
voltage
logic
constitution
conversion 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.)
Pending
Application number
JP6835678A
Other languages
Japanese (ja)
Inventor
Kouichi Aihara
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.)
Nippon Signal Co Ltd
Original Assignee
Nippon Signal 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 Nippon Signal Co Ltd filed Critical Nippon Signal Co Ltd
Priority to JP6835678A priority Critical patent/JPS54159834A/en
Publication of JPS54159834A publication Critical patent/JPS54159834A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/007—Fail-safe circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Logic Circuits (AREA)

Abstract

PURPOSE:To obtain a fail-safe logic conversion circuit by synthesizing a fixed- level DC voltage obtained from the rectified output of an AC power source and a DC voltage corresponding to binary logic information and outputting two significant- level logic information. CONSTITUTION:When logic information corresponding to truth values ''1'' and ''0'' are inputted between input terminals 1 and 2, these information appear as logic information of significant levels (+V or -V) corresponding to truth values between two terminal output 8 and 9 through electric circuits 3 and 4 and synthesizing circuit 7. This logic conversion circuit gives the DC voltage (-V2) as the rectified output of AC power source e and generates directly the DC voltage (-V2) of a power source outside pontential by the voltage of AC power source e itself, the value of the number of turns of transformer 5 or the constitution of rectifier circuit 6. As a result, it is sufficient if driving power source E is provided, so that the circuit constitution can be simplified and the cost can be lowered.
JP6835678A 1978-06-08 1978-06-08 Logic conversion circuit Pending JPS54159834A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6835678A JPS54159834A (en) 1978-06-08 1978-06-08 Logic conversion circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6835678A JPS54159834A (en) 1978-06-08 1978-06-08 Logic conversion circuit

Publications (1)

Publication Number Publication Date
JPS54159834A true JPS54159834A (en) 1979-12-18

Family

ID=13371440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6835678A Pending JPS54159834A (en) 1978-06-08 1978-06-08 Logic conversion circuit

Country Status (1)

Country Link
JP (1) JPS54159834A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5741041A (en) * 1980-08-26 1982-03-06 Kyosan Electric Mfg Co Ltd Dissidence circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5019395A (en) * 1973-06-21 1975-02-28

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5019395A (en) * 1973-06-21 1975-02-28

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5741041A (en) * 1980-08-26 1982-03-06 Kyosan Electric Mfg Co Ltd Dissidence circuit
JPS6242531B2 (en) * 1980-08-26 1987-09-09 Kyosan Electric Mfg

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