JPS63102442A - 呼出信号送出回路 - Google Patents

呼出信号送出回路

Info

Publication number
JPS63102442A
JPS63102442A JP24732186A JP24732186A JPS63102442A JP S63102442 A JPS63102442 A JP S63102442A JP 24732186 A JP24732186 A JP 24732186A JP 24732186 A JP24732186 A JP 24732186A JP S63102442 A JPS63102442 A JP S63102442A
Authority
JP
Japan
Prior art keywords
current
signal
circuit
telephone
voltage
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
JP24732186A
Other languages
English (en)
Japanese (ja)
Other versions
JPH056946B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Kenji Takato
健司 高遠
Kazumi Kinoshita
和美 木下
Toshiro Tojo
敏郎 東條
Yuzo Yamamoto
雄三 山本
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP24732186A priority Critical patent/JPS63102442A/ja
Priority to AU79881/87A priority patent/AU593951B2/en
Priority to CA000549555A priority patent/CA1272318A/en
Priority to US07/110,460 priority patent/US4827503A/en
Priority to EP87115346A priority patent/EP0264910B1/en
Priority to DE87115346T priority patent/DE3785820T2/de
Publication of JPS63102442A publication Critical patent/JPS63102442A/ja
Publication of JPH056946B2 publication Critical patent/JPH056946B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Devices For Supply Of Signal Current (AREA)
JP24732186A 1986-10-20 1986-10-20 呼出信号送出回路 Granted JPS63102442A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP24732186A JPS63102442A (ja) 1986-10-20 1986-10-20 呼出信号送出回路
AU79881/87A AU593951B2 (en) 1986-10-20 1987-10-19 An integrated ringing circuit and a ring trip circuit for the same
CA000549555A CA1272318A (en) 1986-10-20 1987-10-19 Integrated ringing circuit and a ring trip circuit for the same
US07/110,460 US4827503A (en) 1986-10-20 1987-10-20 Integrated ringing circuit and a ring trip circuit for the same
EP87115346A EP0264910B1 (en) 1986-10-20 1987-10-20 An integrated ringing circuit and a ring trip circuit for the same
DE87115346T DE3785820T2 (de) 1986-10-20 1987-10-20 Integrierte Rufschaltung und entsprechende Rufabschaltungserkennungsschaltung.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24732186A JPS63102442A (ja) 1986-10-20 1986-10-20 呼出信号送出回路

Publications (2)

Publication Number Publication Date
JPS63102442A true JPS63102442A (ja) 1988-05-07
JPH056946B2 JPH056946B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-01-27

Family

ID=17161657

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24732186A Granted JPS63102442A (ja) 1986-10-20 1986-10-20 呼出信号送出回路

Country Status (1)

Country Link
JP (1) JPS63102442A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52139310A (en) * 1976-05-17 1977-11-21 Hitachi Ltd Subscriber circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52139310A (en) * 1976-05-17 1977-11-21 Hitachi Ltd Subscriber circuit

Also Published As

Publication number Publication date
JPH056946B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-01-27

Similar Documents

Publication Publication Date Title
AU593951B2 (en) An integrated ringing circuit and a ring trip circuit for the same
US3932713A (en) Induction cancellation circuit
US5444777A (en) Battery feed for telephone line cards
JPS5831789B2 (ja) 加入者回路用伝送ブリツジ
CA1160780A (en) Trunk interface circuit with current compensation
JPS63102442A (ja) 呼出信号送出回路
US4734937A (en) Telephone installation
JPS58151160A (ja) 呼出信号送出方式
EP0056810A1 (en) Loop sensing circuit for use with a subscriber loop interface circuit
JPS63301657A (ja) 呼出信号発生回路
JPS63102443A (ja) 呼出信号送出回路
JPS6333755B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6010961A (ja) 直流電源回路
JP3917402B2 (ja) 電力供給回路
KR100391885B1 (ko) 전전자식 교환기의 가입자 정합 회로
JPS63206060A (ja) 入トランク接続回路
JPS63110855A (ja) 呼出信号送出回路
JPH0349224B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS62176290A (ja) 電流制限機能付き電子化チヨ−ク回路
DE1161957B (de) Schaltungsanordnung zum Anrufen von Teilnehmern in Fernsprechanlagen
JPH0340547B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6145664A (ja) リングトリツプ回路
JPH0362347B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0362065B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6235753A (ja) ハウラ信号発生回路

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees