JPS5843021U - Tape recorder volume attenuation circuit - Google Patents

Tape recorder volume attenuation circuit

Info

Publication number
JPS5843021U
JPS5843021U JP13846681U JP13846681U JPS5843021U JP S5843021 U JPS5843021 U JP S5843021U JP 13846681 U JP13846681 U JP 13846681U JP 13846681 U JP13846681 U JP 13846681U JP S5843021 U JPS5843021 U JP S5843021U
Authority
JP
Japan
Prior art keywords
volume attenuation
tape recorder
circuit
attenuation circuit
time constant
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
JP13846681U
Other languages
Japanese (ja)
Inventor
大曽根　幸三
俊男 浅井
高畑　恒男
Original Assignee
ソニー株式会社
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 ソニー株式会社 filed Critical ソニー株式会社
Priority to JP13846681U priority Critical patent/JPS5843021U/en
Publication of JPS5843021U publication Critical patent/JPS5843021U/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本考案の実施例のテープレコーダのスリーブ機
能回路の回路図、第２図は第１図の回路による音量減衰
カーブを示すグラフである。 なお図面に用いた符号において、４・・・・・・パワー
アンプ、５・・・・・・スピーカ、６・・・・・・減衰
回路、７・・・・・・スーリーブ機能スイッチ、１０・
・・・・・第２の時定数回路、１１・・・・・・コンパ
レータである。FIG. 1 is a circuit diagram of a sleeve function circuit of a tape recorder according to an embodiment of the present invention, and FIG. 2 is a graph showing a volume attenuation curve by the circuit of FIG. In addition, in the symbols used in the drawings, 4... Power amplifier, 5... Speaker, 6... Attenuation circuit, 7... Sulieve function switch, 10...
...Second time constant circuit, 11...Comparator.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 時間の経過に伴なって音量減衰量を除々に増大させるた
めの制御信号を形成する時定数回路と、この時定数回路
の動作を開始させる操作スイッチと、上記音量減衰量が
一定値に達したとき装置の電源をオフさせる検出回路と
を夫々具備するテープレコーダの音量減衰回路。A time constant circuit that forms a control signal to gradually increase the amount of volume attenuation as time passes, an operation switch that starts the operation of this time constant circuit, and a control switch that starts the operation of the time constant circuit, and a control signal that causes the amount of volume attenuation to reach a certain value. A volume attenuation circuit for a tape recorder, comprising a detection circuit for turning off the power of the device when the device is turned off.
JP13846681U 1981-09-18 1981-09-18 Tape recorder volume attenuation circuit Pending JPS5843021U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13846681U JPS5843021U (en) 1981-09-18 1981-09-18 Tape recorder volume attenuation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13846681U JPS5843021U (en) 1981-09-18 1981-09-18 Tape recorder volume attenuation circuit

Publications (1)

Publication Number Publication Date
JPS5843021U true JPS5843021U (en) 1983-03-23

Family

ID=29931690

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13846681U Pending JPS5843021U (en) 1981-09-18 1981-09-18 Tape recorder volume attenuation circuit

Country Status (1)

Country Link
JP (1) JPS5843021U (en)

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