LU66688A1 - - Google Patents

Info

Publication number
LU66688A1
LU66688A1 LU66688A LU66688DA LU66688A1 LU 66688 A1 LU66688 A1 LU 66688A1 LU 66688 A LU66688 A LU 66688A LU 66688D A LU66688D A LU 66688DA LU 66688 A1 LU66688 A1 LU 66688A1
Authority
LU
Luxembourg
Application number
LU66688A
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 filed Critical
Publication of LU66688A1 publication Critical patent/LU66688A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/20—Arrangements affording multiple use of the transmission path using different combinations of lines, e.g. phantom working
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/44—Arrangements for feeding power to a repeater along the transmission line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/08—Telephonic communication systems specially adapted for combination with other electrical systems specially adapted for optional reception of entertainment or informative matter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/08—Arrangements for interconnection between switching centres for phantom working
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
LU66688A 1971-12-20 1972-12-18 LU66688A1 (en])

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2163284A DE2163284C2 (de) 1971-12-20 1971-12-20 Schaltungsanordnung für Teilnehmer-Anschlußleitungen mit zwei symmetrischen Doppelleitungen für zusätzliche Zeichenübertragung, insbesondere für Bildfernsprecher

Publications (1)

Publication Number Publication Date
LU66688A1 true LU66688A1 (en]) 1973-02-19

Family

ID=5828594

Family Applications (1)

Application Number Title Priority Date Filing Date
LU66688A LU66688A1 (en]) 1971-12-20 1972-12-18

Country Status (11)

Country Link
US (1) US3975594A (en])
JP (1) JPS537090B2 (en])
AT (1) AT327997B (en])
BE (1) BE793053A (en])
CH (1) CH549916A (en])
DE (1) DE2163284C2 (en])
FR (1) FR2165537A5 (en])
GB (1) GB1402160A (en])
IT (1) IT971906B (en])
LU (1) LU66688A1 (en])
NL (1) NL7217113A (en])

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50147223A (en]) * 1974-05-15 1975-11-26
US4184054A (en) * 1977-03-28 1980-01-15 Tokyo Shibaura Electric Co., Ltd. Key telephone system
US4173714A (en) * 1977-06-03 1979-11-06 Tie/Communications, Inc. Communication circuit with combined power feed and data transmission over a phantom channel
CA1213649A (en) * 1982-12-22 1986-11-04 Hugh M. Goldberg Secondary channel method and apparatus
US4716585A (en) * 1985-04-05 1987-12-29 Datapoint Corporation Gain switched audio conferencing network
US4710917A (en) * 1985-04-08 1987-12-01 Datapoint Corporation Video conferencing network
US4686698A (en) * 1985-04-08 1987-08-11 Datapoint Corporation Workstation for interfacing with a video conferencing network
US5014267A (en) * 1989-04-06 1991-05-07 Datapoint Corporation Video conferencing network
JPH02142787U (en]) * 1989-04-28 1990-12-04
US5084864A (en) * 1990-05-14 1992-01-28 The Boeing Company Broadband, inductively coupled, duplex, rf transmission system
JPH0553336U (ja) * 1991-12-10 1993-07-13 株式会社オーディオテクニカ トークバックシステムにおける相互伝送装置
US6480510B1 (en) 1998-07-28 2002-11-12 Serconet Ltd. Local area network of serial intelligent cells
US6956826B1 (en) 1999-07-07 2005-10-18 Serconet Ltd. Local area network for distributing data communication, sensing and control signals
US6549616B1 (en) 2000-03-20 2003-04-15 Serconet Ltd. Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets
US6961303B1 (en) 2000-09-21 2005-11-01 Serconet Ltd. Telephone communication system and method over local area network wiring
DE10205797A1 (de) * 2002-02-13 2003-09-04 Merten Gmbh & Co Kg Lokales integriertes Daten- und Telefonnetz
WO2004107643A1 (de) * 2003-05-28 2004-12-09 Merten Gmbh & Co. Kg Lokales integriertes daten- und telefonnetz mit phantomschaltungen
IL159838A0 (en) 2004-01-13 2004-06-20 Yehuda Binder Information device
US20070070911A1 (en) * 2005-09-29 2007-03-29 Goldberg Keith J Method for testing links in a wireless network
US7655041B2 (en) * 2007-05-01 2010-02-02 Moximed, Inc. Extra-articular implantable mechanical energy absorbing systems and implantation method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1374221A (en) * 1921-04-12 Composite
US706318A (en) * 1901-06-24 1902-08-05 New England Telephone And Telegraph Company Composite electric circuit.
BE420598A (en]) * 1936-04-07 1900-01-01
US2208417A (en) * 1939-04-07 1940-07-16 Bell Telephone Labor Inc Transmission system
US2347505A (en) * 1943-05-21 1944-04-25 American Telephone & Telegraph Phantom magneto telephone system

Also Published As

Publication number Publication date
DE2163284B1 (de) 1973-06-14
CH549916A (de) 1974-05-31
JPS4871111A (en]) 1973-09-26
NL7217113A (en]) 1973-06-22
IT971906B (it) 1974-05-10
BE793053A (fr) 1973-06-20
AT327997B (de) 1976-02-25
GB1402160A (en) 1975-08-06
FR2165537A5 (en]) 1973-08-03
US3975594A (en) 1976-08-17
JPS537090B2 (en]) 1978-03-14
DE2163284C2 (de) 1974-01-03

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