JPS63200914U - - Google Patents

Info

Publication number
JPS63200914U
JPS63200914U JP9314087U JP9314087U JPS63200914U JP S63200914 U JPS63200914 U JP S63200914U JP 9314087 U JP9314087 U JP 9314087U JP 9314087 U JP9314087 U JP 9314087U JP S63200914 U JPS63200914 U JP S63200914U
Authority
JP
Japan
Prior art keywords
circuit
compression
attenuator
compression circuit
current
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
JP9314087U
Other languages
English (en)
Other versions
JPH0648981Y2 (ja
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 JP1987093140U priority Critical patent/JPH0648981Y2/ja
Publication of JPS63200914U publication Critical patent/JPS63200914U/ja
Application granted granted Critical
Publication of JPH0648981Y2 publication Critical patent/JPH0648981Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Description

【図面の簡単な説明】
第１図は、本考案の圧縮回路の実施例を示すブ
ロツク図、第２図は、本考案の圧縮回路の一具体
例を示す回路図、第３図は、本考案の圧縮回路の
入出力特性を説明する為の図、第４図は、従来の
圧縮回路を示す為の回路図である。 ３：演算増幅回路、４：ゲインセル、５：整流
回路、６：電流―電圧変換回路、７：比較回路、
８：アツテネータ回路、９：バイアス電圧源、１
０：信号源、１２：基準電圧源、１３：定電流源
回路、１４〜１６：ミラー対をなす電流源回路、
１８：基準電圧源回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 圧縮回路に於いて、該圧縮回路の出力段に
    該圧縮回路からの信号を制御するアツテネータ回
    路が具えられており、該圧縮回路の入力レベルに
    応じて該アツテネータ回路の動作を制御すること
    を特徴とする圧縮回路。 (2) 前記アツテネータ回路の動作の制御が、該
    圧縮回路からの出力を整流する整流回路と、該整
    流回路から得られる出力電流を電圧に変換する電
    流―電圧変換回路と、該電流―電圧変換回路から
    得られる電圧のレベルを比較する比較回路を介し
    てなされる実用新案登録請求の範囲第１項記載の
    圧縮回路。
JP1987093140U 1987-06-17 1987-06-17 圧縮回路 Expired - Lifetime JPH0648981Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987093140U JPH0648981Y2 (ja) 1987-06-17 1987-06-17 圧縮回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987093140U JPH0648981Y2 (ja) 1987-06-17 1987-06-17 圧縮回路

Publications (2)

Publication Number Publication Date
JPS63200914U true JPS63200914U (ja) 1988-12-23
JPH0648981Y2 JPH0648981Y2 (ja) 1994-12-12

Family

ID=30955463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987093140U Expired - Lifetime JPH0648981Y2 (ja) 1987-06-17 1987-06-17 圧縮回路

Country Status (1)

Country Link
JP (1) JPH0648981Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55100600A (en) * 1979-01-26 1980-07-31 Pioneer Electronic Corp Reveberation adding device
JPS6047774A (ja) * 1983-08-26 1985-03-15 Shimizu Constr Co Ltd 建設現場等で用いる自走式小形搬送車

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55100600A (en) * 1979-01-26 1980-07-31 Pioneer Electronic Corp Reveberation adding device
JPS6047774A (ja) * 1983-08-26 1985-03-15 Shimizu Constr Co Ltd 建設現場等で用いる自走式小形搬送車

Also Published As

Publication number Publication date
JPH0648981Y2 (ja) 1994-12-12

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