JPS6199218U - - Google Patents

Info

Publication number
JPS6199218U
JPS6199218U JP18083984U JP18083984U JPS6199218U JP S6199218 U JPS6199218 U JP S6199218U JP 18083984 U JP18083984 U JP 18083984U JP 18083984 U JP18083984 U JP 18083984U JP S6199218 U JPS6199218 U JP S6199218U
Authority
JP
Japan
Prior art keywords
pull
power supply
circuit
signal line
resistor
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
JP18083984U
Other languages
English (en)
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 filed Critical
Priority to JP18083984U priority Critical patent/JPS6199218U/ja
Publication of JPS6199218U publication Critical patent/JPS6199218U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Dc Digital Transmission (AREA)

Description

【図面の簡単な説明】
第１図、第２図はそれぞれ本考案の第１、第２
の実施例を示し、第３図〜第５図はそれぞれ、従
来のプルアツプ回路の例を示した図、第６図は従
来方式の問題点を説明するための回路図。 図中、１０は信号線、１１はホトカプラ、１２
，１３，２１，２２，３１，３２はプルアツプ抵
抗、２４，２５，３３，３４はダイオード。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電源系の異なる回路間における入力信号又は出
    力信号をプルアツプする回路において、プルアツ
    プ抵抗と直列に電源から信号線に向かう向きにダ
    イオードを挿入したことを特徴とするプルアツプ
    回路。
JP18083984U 1984-11-30 1984-11-30 Pending JPS6199218U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18083984U JPS6199218U (ja) 1984-11-30 1984-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18083984U JPS6199218U (ja) 1984-11-30 1984-11-30

Publications (1)

Publication Number Publication Date
JPS6199218U true JPS6199218U (ja) 1986-06-25

Family

ID=30738397

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18083984U Pending JPS6199218U (ja) 1984-11-30 1984-11-30

Country Status (1)

Country Link
JP (1) JPS6199218U (ja)

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