JPS5583354A - Power-off detection circuit - Google Patents

Power-off detection circuit

Info

Publication number
JPS5583354A
JPS5583354A JP15947678A JP15947678A JPS5583354A JP S5583354 A JPS5583354 A JP S5583354A JP 15947678 A JP15947678 A JP 15947678A JP 15947678 A JP15947678 A JP 15947678A JP S5583354 A JPS5583354 A JP S5583354A
Authority
JP
Japan
Prior art keywords
power
signals
transmitter
receiver
detect
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
JP15947678A
Other languages
Japanese (ja)
Inventor
Ryozo Murakawa
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 JP15947678A priority Critical patent/JPS5583354A/en
Publication of JPS5583354A publication Critical patent/JPS5583354A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/44—Arrangements for feeding power to a repeater along the transmission line

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Communication Control (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

PURPOSE:To make it possible to detect a power break of a transmission side easily by letting a receiver detect an odd-parity signal, sent from a transmitter, being all ''0''. CONSTITUTION:From transmitter 1, signals are sent via transmission lines 5-1, 5-2...5-n+1 and in receiver 6, power-off detector 8 detects power being OFF on the basis of the state of signals. Here, if a power supply to transmitter 1 is cut off, parity bits generated by parity generator 4 are added to respective signals of signal lines 2-1...2-n and then supplied to drivers 3-1...3-n, so that signals supplied to transmission lines 5-1...5-n will all be ''0''. Then, detector 8 of receiver 6 detects AND of inverters 10-1...10-n+1 via receivers 7-1...7-n+1 being ''1'' to detect a power break of the transmission side easily.
JP15947678A 1978-12-20 1978-12-20 Power-off detection circuit Pending JPS5583354A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15947678A JPS5583354A (en) 1978-12-20 1978-12-20 Power-off detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15947678A JPS5583354A (en) 1978-12-20 1978-12-20 Power-off detection circuit

Publications (1)

Publication Number Publication Date
JPS5583354A true JPS5583354A (en) 1980-06-23

Family

ID=15694596

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15947678A Pending JPS5583354A (en) 1978-12-20 1978-12-20 Power-off detection circuit

Country Status (1)

Country Link
JP (1) JPS5583354A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0290560U (en) * 1988-12-27 1990-07-18
WO2019224955A1 (en) * 2018-05-23 2019-11-28 堺ディスプレイプロダクト株式会社 Connection system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0290560U (en) * 1988-12-27 1990-07-18
WO2019224955A1 (en) * 2018-05-23 2019-11-28 堺ディスプレイプロダクト株式会社 Connection system

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