JPH0346607Y2 - - Google Patents

Info

Publication number
JPH0346607Y2
JPH0346607Y2 JP4177184U JP4177184U JPH0346607Y2 JP H0346607 Y2 JPH0346607 Y2 JP H0346607Y2 JP 4177184 U JP4177184 U JP 4177184U JP 4177184 U JP4177184 U JP 4177184U JP H0346607 Y2 JPH0346607 Y2 JP H0346607Y2
Authority
JP
Japan
Prior art keywords
circuit
hold
speaker
resistor
switch
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.)
Expired
Application number
JP4177184U
Other languages
English (en)
Japanese (ja)
Other versions
JPS60155256U (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 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 JPS60155256U (ja) 1985-10-16
JPH0346607Y2 true JPH0346607Y2 (US06168655-20010102-C00055.png) 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 (US06168655-20010102-C00055.png)

Also Published As

Publication number Publication date
JPS60155256U (ja) 1985-10-16

Similar Documents

Publication Publication Date Title
JPH06216978A (ja) 送受信機
US3588360A (en) Telecommunication systems
US4472602A (en) Telephone set with transducer/ringer
US3823273A (en) Subscriber's telephone circuit
US4451706A (en) Telephone substation transmitter muting circuit
JPH0346607Y2 (US06168655-20010102-C00055.png)
JPH0238530Y2 (US06168655-20010102-C00055.png)
GB2037128A (en) Electronic telephone on a chip
KR840002418B1 (ko) 헤드폰 장치
JPS60174567A (ja) 電話機
JPS60149298A (ja) ボタン電話装置
JPH0342768Y2 (US06168655-20010102-C00055.png)
JPH046295Y2 (US06168655-20010102-C00055.png)
JPS643263Y2 (US06168655-20010102-C00055.png)
JPH0357668B2 (US06168655-20010102-C00055.png)
NL1002210C2 (nl) Interface voor een telefoontoestel.
JPS60200677A (ja) 保留音送出機能付電話機回路
JPH0412056B2 (US06168655-20010102-C00055.png)
JPS6292645A (ja) 電話機回路
JPH0250669B2 (US06168655-20010102-C00055.png)
KR830001579B1 (ko) 확성전화기의 2선식 동시통화장치
JPH051167Y2 (US06168655-20010102-C00055.png)
KR940001695B1 (ko) 다기능 전화기의 통화로 제어장치
KR920001990Y1 (ko) 하울링(Howling) 방지용 동시통화 회로
JPS63202164A (ja) 電話機