IT8421193A1 - Circuito di interfaccia di voce e di dati - Google Patents

Circuito di interfaccia di voce e di dati

Info

Publication number
IT8421193A1
IT8421193A1 IT1984A21193A IT2119384A IT8421193A1 IT 8421193 A1 IT8421193 A1 IT 8421193A1 IT 1984A21193 A IT1984A21193 A IT 1984A21193A IT 2119384 A IT2119384 A IT 2119384A IT 8421193 A1 IT8421193 A1 IT 8421193A1
Authority
IT
Italy
Prior art keywords
voice
interface circuit
data interface
data
circuit
Prior art date
Application number
IT1984A21193A
Other languages
English (en)
Other versions
IT1174137B (it
IT8421193A0 (it
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 IT8421193A0 publication Critical patent/IT8421193A0/it
Publication of IT8421193A1 publication Critical patent/IT8421193A1/it
Application granted granted Critical
Publication of IT1174137B publication Critical patent/IT1174137B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
IT21193/84A 1983-09-30 1984-05-31 Cirkuito di interfaccia di voce e di dati IT1174137B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000438169A CA1200938A (en) 1983-09-30 1983-09-30 Voice and data interface circuit

Publications (3)

Publication Number Publication Date
IT8421193A0 IT8421193A0 (it) 1984-05-31
IT8421193A1 true IT8421193A1 (it) 1985-12-01
IT1174137B IT1174137B (it) 1987-07-01

Family

ID=4126201

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21193/84A IT1174137B (it) 1983-09-30 1984-05-31 Cirkuito di interfaccia di voce e di dati

Country Status (7)

Country Link
US (1) US4604741A (it)
JP (1) JPS6094593A (it)
CA (1) CA1200938A (it)
DE (1) DE3422265C2 (it)
FR (1) FR2556531B1 (it)
GB (1) GB2147476B (it)
IT (1) IT1174137B (it)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3428106A1 (de) * 1984-07-30 1986-02-06 Standard Elektrik Lorenz Ag, 7000 Stuttgart Teilnehmeranschlussschaltung
CA1231480A (en) * 1985-03-15 1988-01-12 John A. Barsellotti Constant current line circuit
JPH038202Y2 (it) * 1985-06-21 1991-02-28
CA1255026A (en) * 1986-12-24 1989-05-30 Mitel Corporation Dc control circuit
US4776006A (en) * 1987-04-23 1988-10-04 At&T Bell Laboratories Multiplexed data channel controlled telephone system
US5010399A (en) 1989-07-14 1991-04-23 Inline Connection Corporation Video transmission and control system utilizing internal telephone lines
US6243446B1 (en) 1997-03-11 2001-06-05 Inline Connections Corporation Distributed splitter for data transmission over twisted wire pairs
JP2999214B2 (ja) * 1990-03-02 2000-01-17 株式会社東芝 伝送入出力回路
IT1272053B (it) * 1993-11-24 1997-06-11 Urmet Sud Costr Elett Telefon Terminale per televisione interattiva.
US6480510B1 (en) 1998-07-28 2002-11-12 Serconet Ltd. Local area network of serial intelligent cells
US6728370B1 (en) * 1999-03-15 2004-04-27 Legerity, Inc. Method and apparatus for impedance matching
EP1050825B1 (de) * 1999-04-26 2006-10-25 Feller AG Bussignalempfangseinheit für einen 2-Draht-Bus sowie Installationsverfahren für einen 2-Draht-Bus
US6532279B1 (en) * 1999-06-11 2003-03-11 David D. Goodman High-speed data communication over a residential telephone wiring network
US6690677B1 (en) 1999-07-20 2004-02-10 Serconet Ltd. Network for telephony and data communication
EP1085736A1 (en) * 1999-09-17 2001-03-21 Alcatel Combined modem/telephone interface arrangement and apparatus comprising the same
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
IL135744A (en) 2000-04-18 2008-08-07 Mosaid Technologies Inc Telephone communication system over a single telephone line
US6842459B1 (en) 2000-04-19 2005-01-11 Serconet Ltd. Network combining wired and non-wired segments
IL144158A (en) 2001-07-05 2011-06-30 Mosaid Technologies Inc Socket for connecting an analog telephone to a digital communications network that carries digital voice signals
IL161190A0 (en) 2001-10-11 2004-08-31 Serconet Ltd Outlet with analog signal adapter, method for use thereof and a network using said outlet
IL154234A (en) 2003-01-30 2010-12-30 Mosaid Technologies Inc Method and system for providing dc power on local telephone lines
IL154921A (en) 2003-03-13 2011-02-28 Mosaid Technologies Inc A telephone system that includes many separate sources and accessories for it
KR100459442B1 (ko) * 2003-03-29 2004-12-03 엘지전자 주식회사 이동통신 단말기에서 ｍｆｄ의 음질 개선장치 및 방법
IL157787A (en) 2003-09-07 2010-12-30 Mosaid Technologies Inc Modular outlet for data communications network
IL159838A0 (en) 2004-01-13 2004-06-20 Yehuda Binder Information device
IL161869A (en) 2004-05-06 2014-05-28 Serconet Ltd A system and method for carrying a signal originating is wired using wires
US7873058B2 (en) 2004-11-08 2011-01-18 Mosaid Technologies Incorporated Outlet with analog signal adapter, a method for use thereof and a network using said outlet
US7813451B2 (en) 2006-01-11 2010-10-12 Mobileaccess Networks Ltd. Apparatus and method for frequency shifting of a wireless signal and systems using frequency shifting
WO2009053910A2 (en) 2007-10-22 2009-04-30 Mobileaccess Networks Ltd. Communication system using low bandwidth wires
US8175649B2 (en) 2008-06-20 2012-05-08 Corning Mobileaccess Ltd Method and system for real time control of an active antenna over a distributed antenna system
WO2010089719A1 (en) * 2009-02-08 2010-08-12 Mobileaccess Networks Ltd. Communication system using cables carrying ethernet signals
WO2013142662A2 (en) 2012-03-23 2013-09-26 Corning Mobile Access Ltd. Radio-frequency integrated circuit (rfic) chip(s) for providing distributed antenna system functionalities, and related components, systems, and methods
JP6490339B2 (ja) * 2013-11-28 2019-03-27 ザインエレクトロニクス株式会社 送信装置，受信装置および送受信システム
US9184960B1 (en) 2014-09-25 2015-11-10 Corning Optical Communications Wireless Ltd Frequency shifting a communications signal(s) in a multi-frequency distributed antenna system (DAS) to avoid or reduce frequency interference

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2543973A (en) * 1946-06-27 1951-03-06 United Air Lines Inc Plural-frequency coupling unit
GB1049412A (en) * 1964-02-14 1966-11-30 Gen Electric Co Ltd Improvements in or relating to electric circuits for use in signalling systems
US4187493A (en) * 1974-11-27 1980-02-05 Texas Instruments Incorporated Frequency multiplexed seismic cable
US4095198A (en) * 1977-01-31 1978-06-13 Gte Sylvania Incorporated Impedance-matching network
US4273963A (en) * 1979-05-25 1981-06-16 Bell Telephone Laboratories, Incorporated Automatic equalization for digital transmission systems
US4359609A (en) * 1980-06-20 1982-11-16 Advanced Micro Devices, Inc. Circuit with feedback for controlling the impedance thereof
JPS5773589A (en) * 1980-10-27 1982-05-08 Oki Electric Ind Co Ltd Subscriber's circuit
CA1154185A (en) * 1981-01-23 1983-09-20 Patrick R. Beirne Subscriber line interface circuit
JPS5895488A (ja) * 1981-12-02 1983-06-07 Hitachi Ltd ライン回路
CA1175964A (en) * 1982-02-22 1984-10-09 John A. Barsellotti Two wire voice and data subscriber loop

Also Published As

Publication number Publication date
FR2556531A1 (fr) 1985-06-14
GB8413436D0 (en) 1984-07-04
CA1200938A (en) 1986-02-18
US4604741A (en) 1986-08-05
GB2147476B (en) 1987-02-11
IT1174137B (it) 1987-07-01
JPS6094593A (ja) 1985-05-27
FR2556531B1 (fr) 1988-07-29
GB2147476A (en) 1985-05-09
DE3422265A1 (de) 1985-04-18
DE3422265C2 (de) 1986-01-30
IT8421193A0 (it) 1984-05-31

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