JPS6321398B2 - - Google Patents

Info

Publication number
JPS6321398B2
JPS6321398B2 JP57166032A JP16603282A JPS6321398B2 JP S6321398 B2 JPS6321398 B2 JP S6321398B2 JP 57166032 A JP57166032 A JP 57166032A JP 16603282 A JP16603282 A JP 16603282A JP S6321398 B2 JPS6321398 B2 JP S6321398B2
Authority
JP
Japan
Prior art keywords
circuit
line
transistor
current
resistance
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
JP57166032A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5955696A (ja
Inventor
Yukihide Hosoda
Satoru Oosawa
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.)
Anritsu Corp
Taiko Electric Works Ltd
Original Assignee
Anritsu Corp
Taiko Electric Works 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 Anritsu Corp, Taiko Electric Works Ltd filed Critical Anritsu Corp
Priority to JP16603282A priority Critical patent/JPS5955696A/ja
Publication of JPS5955696A publication Critical patent/JPS5955696A/ja
Publication of JPS6321398B2 publication Critical patent/JPS6321398B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Networks Using Active Elements (AREA)
JP16603282A 1982-09-25 1982-09-25 低損失回線閉成回路 Granted JPS5955696A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16603282A JPS5955696A (ja) 1982-09-25 1982-09-25 低損失回線閉成回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16603282A JPS5955696A (ja) 1982-09-25 1982-09-25 低損失回線閉成回路

Publications (2)

Publication Number Publication Date
JPS5955696A JPS5955696A (ja) 1984-03-30
JPS6321398B2 true JPS6321398B2 (enExample) 1988-05-06

Family

ID=15823673

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16603282A Granted JPS5955696A (ja) 1982-09-25 1982-09-25 低損失回線閉成回路

Country Status (1)

Country Link
JP (1) JPS5955696A (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5653885U (enExample) * 1979-10-01 1981-05-12
JPS5767421U (enExample) * 1980-10-11 1982-04-22

Also Published As

Publication number Publication date
JPS5955696A (ja) 1984-03-30

Similar Documents

Publication Publication Date Title
US4041252A (en) Transformerless two-wire/four-wire hybrid with DC sourcing capability
US5444777A (en) Battery feed for telephone line cards
US4314106A (en) Line circuit
JPS596549B2 (ja) 電話機用３端子電源回路
US3627952A (en) Direct current reduction network for amplification telephone sets
JPS6321398B2 (enExample)
US3789803A (en) Inductor-less telephone line holding circuit giving high a.c. shunt impedances
US4267408A (en) Arrangement for applying a signal to a transmission line
US4336423A (en) Device for increasing the parallel inductance of a transformer
US3578911A (en) Telephone wire pair compensator utilizing negative capacitance circuit
JPH0336859A (ja) 電話機用電源回路
US4315206A (en) Current supply circuit for telephone exchange
US3636266A (en) Negative impedance line isolators
JPS5944832B2 (ja) 電流供給回路制御方式
JPS62155665A (ja) 直流給電回路
CA1196433A (en) Active impedance transformer assisted line feed circuit with supervision filtering
US809186A (en) Telephone system.
JPH0193245A (ja) 回線インターフェイス回路
JPH0824274B2 (ja) ホームバス電源分離・重畳回路
JPS5949011A (ja) アクテイブインダクタ回路
JPS6324348B2 (enExample)
BE905921A (nl) Telecommunicatie-inrichting en daarin gebruikte ketens.
EP0251747A1 (en) Power recovery and line driving circuit
JPS6230544B2 (enExample)
JPH0363866B2 (enExample)