JPH03109421U - - Google Patents

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Publication number
JPH03109421U
JPH03109421U JP1907490U JP1907490U JPH03109421U JP H03109421 U JPH03109421 U JP H03109421U JP 1907490 U JP1907490 U JP 1907490U JP 1907490 U JP1907490 U JP 1907490U JP H03109421 U JPH03109421 U JP H03109421U
Authority
JP
Japan
Prior art keywords
amplifier
capacitor
output
discharging
rectifier 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
JP1907490U
Other languages
Japanese (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 JP1907490U priority Critical patent/JPH03109421U/ja
Publication of JPH03109421U publication Critical patent/JPH03109421U/ja
Pending legal-status Critical Current

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  • Control Of Amplification And Gain Control (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示すブロツク図、
第２図は動作説明のための波形図である。 １８……遅延回路、１９……差動増幅器、２１
……トランジスタ、１２……コンデンサ。 FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a waveform diagram for explaining the operation. 18...Delay circuit, 19...Differential amplifier, 21
...Transistor, 12...Capacitor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 増幅器と、この増幅器の出力の一部を整流する
整流回路と、この整流回路の出力が供給されるコ
ンデンサと、このコンデンサの端子電圧によりイ
ンピーダンスが制御され前記増幅器の入力を側路
する可変抵抗素子とを備えてなる自動レベル調整
回路において、入力信号が大きなレベルから元に
戻るタイミングを検出する手段と、この検出手段
に基づき前記コンデンサの電荷を放電せしめる放
電手段を備えてなる自動レベル調整回路。 An amplifier, a rectifier circuit that rectifies a part of the output of this amplifier, a capacitor to which the output of this rectifier circuit is supplied, and a variable resistance element whose impedance is controlled by the terminal voltage of this capacitor and which bypasses the input of the amplifier. An automatic level adjustment circuit comprising: means for detecting the timing at which an input signal returns from a large level; and discharging means for discharging the charge of the capacitor based on the detection means.
JP1907490U 1990-02-27 1990-02-27 Pending JPH03109421U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1907490U JPH03109421U (en) 1990-02-27 1990-02-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1907490U JPH03109421U (en) 1990-02-27 1990-02-27

Publications (1)

Publication Number Publication Date
JPH03109421U true JPH03109421U (en) 1991-11-11

Family

ID=31522211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1907490U Pending JPH03109421U (en) 1990-02-27 1990-02-27

Country Status (1)

Country Link
JP (1) JPH03109421U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009136683A (en) * 2007-12-05 2009-06-25 Suon So Foldable transport equipment
KR100937336B1 (en) * 2009-08-28 2010-01-18 류순모 A safety balustrade including a means for emergency escaping
KR200450338Y1 (en) * 2008-03-07 2010-09-24 양해완 Emergency escape device for high-storied building

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009136683A (en) * 2007-12-05 2009-06-25 Suon So Foldable transport equipment
KR200450338Y1 (en) * 2008-03-07 2010-09-24 양해완 Emergency escape device for high-storied building
KR100937336B1 (en) * 2009-08-28 2010-01-18 류순모 A safety balustrade including a means for emergency escaping

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