DE3378558D1 - Telephone line interface circuit - Google Patents

Telephone line interface circuit

Info

Publication number
DE3378558D1
DE3378558D1 DE8383105826T DE3378558T DE3378558D1 DE 3378558 D1 DE3378558 D1 DE 3378558D1 DE 8383105826 T DE8383105826 T DE 8383105826T DE 3378558 T DE3378558 T DE 3378558T DE 3378558 D1 DE3378558 D1 DE 3378558D1
Authority
DE
Germany
Prior art keywords
hook
data
circuit
telephone line
impedance
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
DE8383105826T
Other languages
English (en)
Inventor
Donald W Moses
Charles Hustig
Ray C Ballard
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.)
Applied Spectrum Technologies Inc
Original Assignee
Applied Spectrum Technologies Inc
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 Applied Spectrum Technologies Inc filed Critical Applied Spectrum Technologies Inc
Application granted granted Critical
Publication of DE3378558D1 publication Critical patent/DE3378558D1/de
Expired legal-status Critical Current

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
    • H04M11/066—Telephone sets adapted for data transmision
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
DE8383105826T 1982-06-21 1983-06-14 Telephone line interface circuit Expired DE3378558D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/390,183 US4433212A (en) 1982-06-21 1982-06-21 Telephone line interface circuit

Publications (1)

Publication Number Publication Date
DE3378558D1 true DE3378558D1 (en) 1988-12-29

Family

ID=23541439

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383105826T Expired DE3378558D1 (en) 1982-06-21 1983-06-14 Telephone line interface circuit

Country Status (8)

Country Link
US (1) US4433212A (de)
EP (1) EP0097314B1 (de)
JP (1) JPS596692A (de)
AT (1) ATE38924T1 (de)
AU (1) AU555117B2 (de)
CA (1) CA1205588A (de)
DE (1) DE3378558D1 (de)
NZ (1) NZ202636A (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4492822A (en) * 1982-09-30 1985-01-08 Alderman Robert J Telephone hold circuit with improved self-limiting amplifier for injecting an audio signal during hold conditions
GB2166024A (en) * 1984-08-22 1986-04-23 Data General Corp A modulator/demodulator and a portable digital computer incorporating the same
US4672602A (en) * 1984-11-02 1987-06-09 Itt Corporation Control and routing system
US6243446B1 (en) * 1997-03-11 2001-06-05 Inline Connections Corporation Distributed splitter for data transmission over twisted wire pairs
US5010399A (en) * 1989-07-14 1991-04-23 Inline Connection Corporation Video transmission and control system utilizing internal telephone lines
US5077630A (en) * 1990-03-28 1991-12-31 Delta Design And Development Co. Integrated services digital network terminating resistor with line fault protector
US5140631A (en) * 1990-10-02 1992-08-18 Intertex Data Ab Apparatus and method for determining the state of a telephone line
US5291545A (en) * 1990-10-02 1994-03-01 Intertex Data Ab Apparatus and method for determining the state of a telephone line
JP3283964B2 (ja) * 1992-06-09 2002-05-20 ロックウェル・インターナショナル・コーポレイション モデムサージ保護回路およびサージ保護方法
US5369666A (en) * 1992-06-09 1994-11-29 Rockwell International Corporation Modem with digital isolation
US5315651A (en) * 1993-06-09 1994-05-24 Rockwell International Corporation Active surge rejection circuit
US5581560A (en) * 1993-08-27 1996-12-03 Canon Kabushiki Kaisha Communication apparatus and method for simultaneous communication of audio and data signals with improved audio control
US5802170A (en) * 1994-05-19 1998-09-01 Tii Industries, Inc. Customer bridge module
US6385235B1 (en) 1997-04-22 2002-05-07 Silicon Laboratories, Inc. Direct digital access arrangement circuitry and method for connecting to phone lines
US6198818B1 (en) * 1997-06-17 2001-03-06 Paradyne Corporation Method and apparatus for controlling the input impedance of an analog front end circuit of a data communications equipment (DCE) device
US6480510B1 (en) * 1998-07-28 2002-11-12 Serconet Ltd. Local area network of serial intelligent cells
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
US20040230710A1 (en) * 1999-07-27 2004-11-18 Inline Connection Corporation System and method of automatic installation of computer peripherals
US6704824B1 (en) * 1999-07-27 2004-03-09 Inline Connection Corporation Universal serial bus adapter with automatic installation
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
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
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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614324A (en) * 1970-03-06 1971-10-19 Bell Telephone Labor Inc Arrangement for using a data set carrier detector to detect incoming ringing
US4203006A (en) * 1978-04-20 1980-05-13 Prentice Corporation Direct access coupler
JPS5555655A (en) * 1978-10-20 1980-04-23 Nippon Telegr & Teleph Corp <Ntt> Selection unit for telephone line
US4224478A (en) * 1978-12-04 1980-09-23 Gte Sylvania Incorporated Data transmission circuit for establishing a bidirectional data path in a telephone system
WO1981000658A1 (en) * 1979-08-31 1981-03-05 Electro Med Eng Pty Ltd Telephone line data isolator
US4378470A (en) * 1981-03-25 1983-03-29 Northern Telecom Limited Interface circuits for connection to non-dedicated telephone lines

Also Published As

Publication number Publication date
CA1205588A (en) 1986-06-03
AU9146182A (en) 1984-01-05
US4433212A (en) 1984-02-21
EP0097314A2 (de) 1984-01-04
ATE38924T1 (de) 1988-12-15
EP0097314A3 (en) 1986-12-10
EP0097314B1 (de) 1988-11-23
JPS596692A (ja) 1984-01-13
NZ202636A (en) 1985-11-08
AU555117B2 (en) 1986-09-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee