JPS6411014U - - Google Patents

Info

Publication number
JPS6411014U
JPS6411014U JP10617887U JP10617887U JPS6411014U JP S6411014 U JPS6411014 U JP S6411014U JP 10617887 U JP10617887 U JP 10617887U JP 10617887 U JP10617887 U JP 10617887U JP S6411014 U JPS6411014 U JP S6411014U
Authority
JP
Japan
Prior art keywords
voltage
input voltage
current limiting
input
limiting 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
JP10617887U
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 JP10617887U priority Critical patent/JPS6411014U/ja
Publication of JPS6411014U publication Critical patent/JPS6411014U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係る入力保護回路の一実施例
の接続図、第2図は第1図の動作を説明する為の
波形図、第3図は従来のこの種の回路の一例の接
続図である。 R1……電流制限用の抵抗器、A……初段アン
プ、COP1,COP2……電圧比較器、R2,
R3……分圧抵抗器、L……リレー。

Claims (1)

    【実用新案登録請求の範囲】
  1. 入力電圧を電流制限用の抵抗器を介して初段ア
    ンプに加えるようにした回路において、前記入力
    電圧の大きさを監視する電圧比較器と、この電圧
    比較器の出力により駆動され入力電圧が所定の値
    を越えるとその入力電圧を前記電流制限用抵抗器
    より分圧抵抗器に切り替えこの分圧抵抗器を介し
    て初段アンプに加えるようにしたリレーとを具備
    した入力保護回路。
JP10617887U 1987-07-10 1987-07-10 Pending JPS6411014U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10617887U JPS6411014U (ja) 1987-07-10 1987-07-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10617887U JPS6411014U (ja) 1987-07-10 1987-07-10

Publications (1)

Publication Number Publication Date
JPS6411014U true JPS6411014U (ja) 1989-01-20

Family

ID=31339455

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10617887U Pending JPS6411014U (ja) 1987-07-10 1987-07-10

Country Status (1)

Country Link
JP (1) JPS6411014U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5060165A (ja) * 1973-09-26 1975-05-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5060165A (ja) * 1973-09-26 1975-05-23

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