JPH056947B2 - - Google Patents

Info

Publication number
JPH056947B2
JPH056947B2 JP61247324A JP24732486A JPH056947B2 JP H056947 B2 JPH056947 B2 JP H056947B2 JP 61247324 A JP61247324 A JP 61247324A JP 24732486 A JP24732486 A JP 24732486A JP H056947 B2 JPH056947 B2 JP H056947B2
Authority
JP
Japan
Prior art keywords
current
circuit
constant current
signal
source
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 - Lifetime
Application number
JP61247324A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63102443A (ja
Inventor
Kenji Takato
Kazumi Kinoshita
Toshiro Tojo
Juzo Yamamoto
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 JP24732486A priority Critical patent/JPS63102443A/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 JPS63102443A publication Critical patent/JPS63102443A/ja
Publication of JPH056947B2 publication Critical patent/JPH056947B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Devices For Supply Of Signal Current (AREA)
JP24732486A 1986-10-20 1986-10-20 呼出信号送出回路 Granted JPS63102443A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP24732486A JPS63102443A (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
JP24732486A JPS63102443A (ja) 1986-10-20 1986-10-20 呼出信号送出回路

Publications (2)

Publication Number Publication Date
JPS63102443A JPS63102443A (ja) 1988-05-07
JPH056947B2 true JPH056947B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-01-27

Family

ID=17161702

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24732486A Granted JPS63102443A (ja) 1986-10-20 1986-10-20 呼出信号送出回路

Country Status (1)

Country Link
JP (1) JPS63102443A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (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
JPS63102443A (ja) 1988-05-07

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