JPS564962A - Telephone set circuit - Google Patents

Telephone set circuit

Info

Publication number
JPS564962A
JPS564962A JP8023579A JP8023579A JPS564962A JP S564962 A JPS564962 A JP S564962A JP 8023579 A JP8023579 A JP 8023579A JP 8023579 A JP8023579 A JP 8023579A JP S564962 A JPS564962 A JP S564962A
Authority
JP
Japan
Prior art keywords
balancing circuit
transmitter
diodes
circuit
telephone set
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
JP8023579A
Other languages
English (en)
Other versions
JPS589628B2 (ja
Inventor
Yutaka Nishino
Makoto Yoshitoshi
Akinobu Tomimori
Shiro Kotake
Yuji Tsuruga
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
NEC Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Toshiba Corp
Iwatsu Electric Co Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Tokyo Shibaura Electric Co Ltd
Nippon Electric Co Ltd
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, NEC Corp, Nippon Telegraph and Telephone Corp, Tokyo Shibaura Electric Co Ltd, Nippon Electric Co Ltd filed Critical Toshiba Corp
Priority to JP8023579A priority Critical patent/JPS589628B2/ja
Publication of JPS564962A publication Critical patent/JPS564962A/ja
Publication of JPS589628B2 publication Critical patent/JPS589628B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/58—Anti-side-tone circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP8023579A 1979-06-27 1979-06-27 電話機回路 Expired JPS589628B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8023579A JPS589628B2 (ja) 1979-06-27 1979-06-27 電話機回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8023579A JPS589628B2 (ja) 1979-06-27 1979-06-27 電話機回路

Publications (2)

Publication Number Publication Date
JPS564962A true JPS564962A (en) 1981-01-19
JPS589628B2 JPS589628B2 (ja) 1983-02-22

Family

ID=13712673

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8023579A Expired JPS589628B2 (ja) 1979-06-27 1979-06-27 電話機回路

Country Status (1)

Country Link
JP (1) JPS589628B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8528674B2 (en) 2006-08-04 2013-09-10 Robert Bosch Gmbh Vacuum generation in hybrid-drive vehicles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8528674B2 (en) 2006-08-04 2013-09-10 Robert Bosch Gmbh Vacuum generation in hybrid-drive vehicles

Also Published As

Publication number Publication date
JPS589628B2 (ja) 1983-02-22

Similar Documents

Publication Publication Date Title
JPS564962A (en) Telephone set circuit
JPS5664524A (en) Telephone installed on travelling object
JPS5624860A (en) Alarm circuit using key telephone system
ES476875A1 (es) Disposicion de timbre para empalme de central telefonica con unidad de mando centralizada.
GB1452254A (en) Circuit arrangement for a tone pushbutton selection telephone subscriber set
JPS5478005A (en) Subscribersigma line control system
JPS54503A (en) Telephon set with selection terminal
JPS645149A (en) Dial terminal equipment for multi-function communication service network
KR810000491Y1 (ko) 전화교환 스위치가 설치된 전화기 받침대
JPS55114063A (en) Telephone set system
KR860002419Y1 (ko) 계산기가 부설된 전화기
JPS56164657A (en) Circuit for telephone set
JPS53140903A (en) Recording unit of call
KR890002561Y1 (ko) 헨드세트를 내려놓아도 전화가 오는 회로
JPS56125145A (en) Side tone prevention circuit for telephone set
GB995025A (en) Circuit arrangement for preventing the overhearing of telephone conversations
JPS57136854A (en) Driving power source circuit for telephone set lamp
CN1070527A (zh) 程控磁石式电话用户交换机系统
JPS5715556A (en) Dial device
JPS6434043A (en) Telephone set
JPS5245808A (en) Switchboard telephone circuit
JPS57113670A (en) Telephone set
JPS56164656A (en) Circuit for telephone set
GB1149118A (en) Intercommunication telephone set
JPS5474605A (en) Public telephone set