JPH0361393B2 - - Google Patents

Info

Publication number
JPH0361393B2
JPH0361393B2 JP18095885A JP18095885A JPH0361393B2 JP H0361393 B2 JPH0361393 B2 JP H0361393B2 JP 18095885 A JP18095885 A JP 18095885A JP 18095885 A JP18095885 A JP 18095885A JP H0361393 B2 JPH0361393 B2 JP H0361393B2
Authority
JP
Japan
Prior art keywords
circuit
line
current
mirror
power supply
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
JP18095885A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6242661A (ja
Inventor
Kenji Takato
Toshiro Tojo
Yozo Iketani
Mitsutoshi Ayano
Kyoshi Shibuya
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 JP60180958A priority Critical patent/JPS6242661A/ja
Priority to US06/897,914 priority patent/US4827505A/en
Priority to AU61585/86A priority patent/AU574277B2/en
Priority to CA000516222A priority patent/CA1260170A/en
Priority to EP86111530A priority patent/EP0212632B1/en
Priority to CN86105137A priority patent/CN1003032B/zh
Priority to KR8606880A priority patent/KR900001135B1/ko
Priority to DE8686111530T priority patent/DE3687153T2/de
Publication of JPS6242661A publication Critical patent/JPS6242661A/ja
Publication of JPH0361393B2 publication Critical patent/JPH0361393B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Devices For Supply Of Signal Current (AREA)
JP60180958A 1985-08-20 1985-08-20 給電電流制限回路 Granted JPS6242661A (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP60180958A JPS6242661A (ja) 1985-08-20 1985-08-20 給電電流制限回路
US06/897,914 US4827505A (en) 1985-08-20 1986-08-19 Subscriber line interface circuit
AU61585/86A AU574277B2 (en) 1985-08-20 1986-08-19 Subscriber line interface circuit
CA000516222A CA1260170A (en) 1985-08-20 1986-08-19 Subscriber line interface circuit
EP86111530A EP0212632B1 (en) 1985-08-20 1986-08-20 Subscriber line interface circuit
CN86105137A CN1003032B (zh) 1985-08-20 1986-08-20 用户线接口电路
KR8606880A KR900001135B1 (en) 1985-08-20 1986-08-20 Subscriber line interface circuit
DE8686111530T DE3687153T2 (de) 1985-08-20 1986-08-20 Teilnehmerschnittstellenschaltung.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60180958A JPS6242661A (ja) 1985-08-20 1985-08-20 給電電流制限回路

Publications (2)

Publication Number Publication Date
JPS6242661A JPS6242661A (ja) 1987-02-24
JPH0361393B2 true JPH0361393B2 (enrdf_load_stackoverflow) 1991-09-19

Family

ID=16092250

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60180958A Granted JPS6242661A (ja) 1985-08-20 1985-08-20 給電電流制限回路

Country Status (1)

Country Link
JP (1) JPS6242661A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0638625B2 (ja) * 1987-06-17 1994-05-18 富士通株式会社 給電電流制御回路
JPH0396194A (ja) * 1989-09-08 1991-04-22 Fujitsu Ltd 直流給電系及びファントム給電系
KR102470041B1 (ko) 2017-08-29 2022-11-23 삼성전자주식회사 냉장고

Also Published As

Publication number Publication date
JPS6242661A (ja) 1987-02-24

Similar Documents

Publication Publication Date Title
CN87101278A (zh) 有源阻抗用户线馈电电路
US4961219A (en) Circuit for synthesizing an impedance across the tip and ring leads of a telephone line circuit
US6028482A (en) Wide dynamic range transimpedance amplifier circuit
JPH05145627A (ja) リングトリツプ検出回路
JPH0361393B2 (enrdf_load_stackoverflow)
US4540852A (en) Electronic subscriber junctor
US4723280A (en) Constant current line circuit
US4358645A (en) Loop sensing circuit for use with a subscriber loop interface circuit
US5050210A (en) Metallic current limiter
JPS6333755B2 (enrdf_load_stackoverflow)
GB1602296A (en) Current sources
US3636266A (en) Negative impedance line isolators
JPH0453346B2 (enrdf_load_stackoverflow)
JP3740896B2 (ja) ループ電流検出回路
JPH0361394B2 (enrdf_load_stackoverflow)
JPH0239655A (ja) 極性反転検出回路
JPS62155665A (ja) 直流給電回路
JPH0327157B2 (enrdf_load_stackoverflow)
JPH0322746A (ja) リングトリップ回路
JPH0314261B2 (enrdf_load_stackoverflow)
JPS59114960A (ja) 給電回路
JPH1079962A (ja) 加入者回路
JPH0362347B2 (enrdf_load_stackoverflow)
JPH0410845A (ja) 加入者回路の地絡混触地気検出回路
JPH0315874B2 (enrdf_load_stackoverflow)