JPS60155256U - 保留モニタ音受聴回路 - Google Patents

保留モニタ音受聴回路

Info

Publication number
JPS60155256U
JPS60155256U JP4177184U JP4177184U JPS60155256U JP S60155256 U JPS60155256 U JP S60155256U JP 4177184 U JP4177184 U JP 4177184U JP 4177184 U JP4177184 U JP 4177184U JP S60155256 U JPS60155256 U JP S60155256U
Authority
JP
Japan
Prior art keywords
circuit
resistor
switch
terminal
generation 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.)
Granted
Application number
JP4177184U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0346607Y2 (enrdf_load_stackoverflow
Inventor
豊 西野
小林　暁洋
村山　正
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Iwatsu Electric Co Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Toshiba Corp
Iwatsu Electric Co Ltd
Nippon Telegraph and Telephone Corp
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 Toshiba Corp, Iwatsu Electric Co Ltd, Nippon Telegraph and Telephone Corp filed Critical Toshiba Corp
Priority to JP4177184U priority Critical patent/JPS60155256U/ja
Publication of JPS60155256U publication Critical patent/JPS60155256U/ja
Application granted granted Critical
Publication of JPH0346607Y2 publication Critical patent/JPH0346607Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Devices For Supply Of Signal Current (AREA)
JP4177184U 1984-03-26 1984-03-26 保留モニタ音受聴回路 Granted JPS60155256U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4177184U JPS60155256U (ja) 1984-03-26 1984-03-26 保留モニタ音受聴回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4177184U JPS60155256U (ja) 1984-03-26 1984-03-26 保留モニタ音受聴回路

Publications (2)

Publication Number Publication Date
JPS60155256U true JPS60155256U (ja) 1985-10-16
JPH0346607Y2 JPH0346607Y2 (enrdf_load_stackoverflow) 1991-10-02

Family

ID=30551907

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4177184U Granted JPS60155256U (ja) 1984-03-26 1984-03-26 保留モニタ音受聴回路

Country Status (1)

Country Link
JP (1) JPS60155256U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0346607Y2 (enrdf_load_stackoverflow) 1991-10-02

Similar Documents

Publication Publication Date Title
JPS60155256U (ja) 保留モニタ音受聴回路
CN2119053U (zh) 对讲机的麦克/耳机声控器
JPS6336757Y2 (enrdf_load_stackoverflow)
CN2158552Y (zh) 一种电子双向对讲门铃
CN2263851Y (zh) 全自动电话录音机
JPS5927691U (ja) 音響再生装置
JPS6292699A (ja) マイクロホン装置
JPS6019222U (ja) ダイレクトフアンクシヨンスイツチ付アンプ
JPS5883849U (ja) 携帯無障電話装置
JPS5811376U (ja) ヘッドホン用アダプタ
JPS58149848U (ja) インタ−ホン装置
JPS643350U (enrdf_load_stackoverflow)
JPH02260863A (ja) インターホン装置
JPS59129211U (ja) 音量制御回路
JPS60134357U (ja) ハンズフリ−電話機回路
JPS6055200U (ja) 補聴器
JPS59183053U (ja) 車載無線機のスピ−カ回路
JPH1051891A (ja) 音響出力装置
JPS6195194U (enrdf_load_stackoverflow)
JPH02177646A (ja) 電話機における圧電送話器の無極性インピーダンス変換回路
JPS609060U (ja) マイクロホンミキシング方式の再生装置
JPS648827U (enrdf_load_stackoverflow)
JPS62125055U (enrdf_load_stackoverflow)
JPS5956871U (ja) 電話機用受話器駆動回路
JPH0383000U (enrdf_load_stackoverflow)