NO864632L - Sambandskopling. - Google Patents

Sambandskopling.

Info

Publication number
NO864632L
NO864632L NO864632A NO864632A NO864632L NO 864632 L NO864632 L NO 864632L NO 864632 A NO864632 A NO 864632A NO 864632 A NO864632 A NO 864632A NO 864632 L NO864632 L NO 864632L
Authority
NO
Norway
Prior art keywords
tip
input
ring
signals
transformer
Prior art date
Application number
NO864632A
Other languages
English (en)
Norwegian (no)
Other versions
NO864632D0 (no
Inventor
Zbigniew Boleslav Styrna
Douglas C Oddy
Original Assignee
Mitel Corp
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 Mitel Corp filed Critical Mitel Corp
Publication of NO864632D0 publication Critical patent/NO864632D0/no
Publication of NO864632L publication Critical patent/NO864632L/no

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M7/00Arrangements for interconnection between switching centres
    • H04M7/0096Trunk circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Dc Digital Transmission (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
NO864632A 1985-11-20 1986-11-20 Sambandskopling. NO864632L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000495810A CA1240088A (en) 1985-11-20 1985-11-20 Solid state trunk circuit

Publications (2)

Publication Number Publication Date
NO864632D0 NO864632D0 (no) 1986-11-20
NO864632L true NO864632L (no) 1987-05-21

Family

ID=4131922

Family Applications (1)

Application Number Title Priority Date Filing Date
NO864632A NO864632L (no) 1985-11-20 1986-11-20 Sambandskopling.

Country Status (12)

Country Link
US (1) US4776007A (sv)
JP (2) JPS62216490A (sv)
CN (1) CN86107804A (sv)
CA (1) CA1240088A (sv)
DE (1) DE3621777A1 (sv)
DK (1) DK552986A (sv)
FI (1) FI864724A (sv)
FR (1) FR2590430A1 (sv)
GB (1) GB2183426B (sv)
IT (1) IT1190031B (sv)
NO (1) NO864632L (sv)
SE (1) SE8604931L (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3804216A1 (de) * 1988-02-11 1989-08-24 Telefonbau & Normalzeit Gmbh Schaltungsanordnung fuer eine externleitungsuebertragung von kommunikations-vermittlungsanlagen, insbesondere fernsprechnebenstellenanlagen
US4894860A (en) * 1988-06-07 1990-01-16 Tie/Communications, Inc. Trunk interface circuitry for telephone systems
KR950012585B1 (ko) * 1992-05-09 1995-10-19 삼성전자주식회사 양방향 다이얼링 트렁크 인터페이싱회로
US6480596B1 (en) * 1993-05-07 2002-11-12 Samsung Electronics Co., Ltd. Direct inward-outward dialing trunk circuit
US5517565A (en) * 1994-06-30 1996-05-14 Harris Corporation Integrated ringer relay circuit and method
DE4429840C2 (de) * 1994-08-23 1996-07-18 Ant Nachrichtentech Signalamplitudenabhängige spulenlose Nachbildung einer Drossel
GB2417393A (en) * 2004-08-18 2006-02-22 Mitel Networks Corp Central Office Line Circuit
JP2007180323A (ja) * 2005-12-28 2007-07-12 Matsushita Electric Ind Co Ltd 積層セラミックコンデンサの製造方法並びにその選別装置
WO2013014607A1 (en) * 2011-07-25 2013-01-31 Koninklijke Philips Electronics N.V. System and method for implementing mains-signal-based dimming of a solid state lighting module
US9860392B2 (en) 2015-06-05 2018-01-02 Silicon Laboratories Inc. Direct-current to alternating-current power conversion

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934099A (en) * 1974-08-16 1976-01-20 Bell Telephone Laboratories, Incorporated Bias, feedback and network arrangements for hybrid circuits
US3993880A (en) * 1976-02-09 1976-11-23 Bell Telephone Laboratories, Incorporated Resistive battery feed for line circuits
US4074087A (en) * 1976-08-16 1978-02-14 Bell Telephone Laboratories, Incorporated Bidirectional voice frequency repeater
US4126765A (en) * 1977-12-12 1978-11-21 Gte Automatic Electric Laboratories Incorporated Detector circuit for sensing battery polarity and loop closure
US4254305A (en) * 1979-02-07 1981-03-03 International Telephone And Telegraph Corporation Current limited subscriber line feed circuit
GB2071461B (en) * 1980-02-14 1984-01-25 Standard Telephones Cables Ltd Telephone line feed
DE3142201C2 (de) * 1981-01-23 1984-02-23 Mitel Corp., Kanata, Ontario Gabelschaltung für eine Fernmelde-, insbesondere Fernsprechanlage
JPS60125A (ja) * 1983-06-15 1985-01-05 Fujitsu Ltd 二線四線変換回路
JPS6048693A (ja) * 1983-08-29 1985-03-16 Toshiba Corp 局線トランク回路

Also Published As

Publication number Publication date
CN86107804A (zh) 1987-05-27
NO864632D0 (no) 1986-11-20
DE3621777C2 (sv) 1988-04-07
JPS62216490A (ja) 1987-09-24
GB8612353D0 (en) 1986-06-25
DE3621777A1 (de) 1987-05-21
DK552986D0 (da) 1986-11-19
DK552986A (da) 1987-05-21
IT1190031B (it) 1988-02-10
FI864724A0 (fi) 1986-11-19
CA1240088A (en) 1988-08-02
JPH0582185U (ja) 1993-11-05
IT8620618A1 (it) 1987-11-30
FR2590430A1 (fr) 1987-05-22
GB2183426B (en) 1989-10-11
SE8604931D0 (sv) 1986-11-18
GB2183426A (en) 1987-06-03
IT8620618A0 (it) 1986-05-30
US4776007A (en) 1988-10-04
FI864724A (fi) 1987-05-21
SE8604931L (sv) 1987-05-21

Similar Documents

Publication Publication Date Title
USRE39406E1 (en) Telephone line coupler
US4054941A (en) Range extender with gain
US5245654A (en) Solid state isolation device using opto-isolators
US4444999A (en) Automatic electronic disconnector for subscriber terminal equipment
NO864632L (no) Sambandskopling.
US3748395A (en) D.c. monitor circuit
GB2119194A (en) Coupling an electric signal to transmission lines
US4099032A (en) Loop current detector
JPS5844853A (ja) 電話ライン回路用増幅回路
US4079208A (en) Telecommunications transmission and signalling circuits
US5579144A (en) Data access arrangement having improved transmit-receive separation
US3932713A (en) Induction cancellation circuit
US3784756A (en) Subscriber loop range extender
US4278847A (en) Transformerless hybrid circuits
US6128384A (en) Self configuring telephone headset amplifier
US4495494A (en) Detector circuit for communication lines
JPS6223950B2 (sv)
NO153590B (no) Sambandslinje-grensesnitt for sammenkobling av en totraads sambandslinje med en telefonsentral.
JPS6037860A (ja) 電話機の改良
US3875350A (en) Self-balancing hybrid circuit
JPH0422595Y2 (sv)
JPS58501610A (ja) 通信ラインのための検出回路
US3985976A (en) Audio frequency signalling systems for telephone systems
US4331838A (en) Telephone ringer isolator circuit arrangement
US4110565A (en) Duplex telephone signalling system