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ES402984A1 - Mejoras en los sistemas multiples de senalizacion de fuera de banda. - Google Patents

Mejoras en los sistemas multiples de senalizacion de fuera de banda.

Info

Publication number
ES402984A1
ES402984A1 ES402984A ES402984A ES402984A1 ES 402984 A1 ES402984 A1 ES 402984A1 ES 402984 A ES402984 A ES 402984A ES 402984 A ES402984 A ES 402984A ES 402984 A1 ES402984 A1 ES 402984A1
Authority
ES
Spain
Prior art keywords
signaling
tone
frequency
signaling data
band signaling
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
ES402984A
Other languages
English (en)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES402984A1 publication Critical patent/ES402984A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals
    • 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
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/04—Channels characterised by the type of signal the signals being represented by different amplitudes or polarities, e.g. quadriplex

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Time-Division Multiplex Systems (AREA)
ES402984A 1971-05-20 1972-05-19 Mejoras en los sistemas multiples de senalizacion de fuera de banda. Expired ES402984A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14513871A 1971-05-20 1971-05-20

Publications (1)

Publication Number Publication Date
ES402984A1 true ES402984A1 (es) 1975-04-16

Family

ID=22511761

Family Applications (1)

Application Number Title Priority Date Filing Date
ES402984A Expired ES402984A1 (es) 1971-05-20 1972-05-19 Mejoras en los sistemas multiples de senalizacion de fuera de banda.

Country Status (9)

Country Link
US (1) US3718767A (es)
AU (1) AU460693B2 (es)
BE (1) BE783683A (es)
CA (1) CA964779A (es)
DE (1) DE2224353C3 (es)
ES (1) ES402984A1 (es)
FR (1) FR2138791B1 (es)
IT (1) IT955530B (es)
NL (1) NL7206925A (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869577A (en) * 1972-04-24 1975-03-04 Gen Datacomm Ind Inc Method and apparatus for control signaling in fdm system
US4020289A (en) * 1972-05-15 1977-04-26 Teleplex, Inc. Random access, multiple station communication system
US4009336A (en) * 1975-04-07 1977-02-22 Paradyne Corporation Digital signaling device
USRE31510E (en) 1978-07-20 1984-01-24 Bell Telephone Laboratories, Incorporated Signal multiplexing circuit
US4191857A (en) * 1978-09-28 1980-03-04 Gte Automatic Electric Laboratories Incorporated Digital trunk supervisory decoder multiplexor for ground start or E&M signalling on a common T1 span
EP0055293A1 (en) * 1980-06-25 1982-07-07 McGANN, William E. Communication system for providing non-interfering multiple signals over individual common carrier channels
US4442540A (en) * 1981-06-04 1984-04-10 Bell Telephone Laboratories, Incorporated Data over voice transmission arrangement
CA1175964A (en) * 1982-02-22 1984-10-09 John A. Barsellotti Two wire voice and data subscriber loop
US4512013A (en) * 1983-04-11 1985-04-16 At&T Bell Laboratories Simultaneous transmission of speech and data over an analog channel
EP0138975A4 (en) * 1983-04-11 1988-03-30 American Telephone & Telegraph SIMULTANEOUS TRANSMISSION OF SPEECH AND INFORMATION BY AN ANALOGUE CHANNEL.
US4523311A (en) * 1983-04-11 1985-06-11 At&T Bell Laboratories Simultaneous transmission of speech and data over an analog channel
FR2574201B1 (fr) * 1984-11-30 1987-04-24 Cit Alcatel Procede et dispositif de telesignalisation pour une liaison de transmission numerique
US6330334B1 (en) 1993-03-15 2001-12-11 Command Audio Corporation Method and system for information dissemination using television signals
JPH09130289A (ja) * 1995-10-31 1997-05-16 Mitsubishi Electric Corp アナログ携帯通信機
US5809472A (en) * 1996-04-03 1998-09-15 Command Audio Corporation Digital audio data transmission system based on the information content of an audio signal
US5815671A (en) * 1996-06-11 1998-09-29 Command Audio Corporation Method and apparatus for encoding and storing audio/video information for subsequent predetermined retrieval
US5956629A (en) * 1996-08-14 1999-09-21 Command Audio Corporation Method and apparatus for transmitter identification and selection for mobile information signal services
US6236675B1 (en) * 1997-03-05 2001-05-22 Paradyne Corporation Pilot tone system and method to allow continuous synchronization in multipoint networks
JP2000224146A (ja) * 1999-02-03 2000-08-11 Oki Electric Ind Co Ltd 多重装置、多重分離装置及び多重通信システム
US7729698B2 (en) * 2001-09-27 2010-06-01 Qualcomm Incorporated Communication system receiver and method for concurrent receiving of multiple channels
US7443915B2 (en) * 2004-11-30 2008-10-28 Tyco Electronics Corporation Method and apparatus for providing out of band communications over structured cabling
JP2009511951A (ja) * 2005-10-05 2009-03-19 エルジー エレクトロニクス インコーポレイティド 信号処理方法及び装置、エンコーディング及びデコーディング方法並びにそのための装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485886A (en) * 1946-02-21 1949-10-25 Us Navy Triple gate
US3261922A (en) * 1962-12-28 1966-07-19 Bell Telephone Labor Inc Fdm data trunking system having a common tdm supervisory channel

Also Published As

Publication number Publication date
IT955530B (it) 1973-09-29
BE783683A (nl) 1972-11-20
NL7206925A (es) 1972-11-22
FR2138791A1 (es) 1973-01-05
US3718767A (en) 1973-02-27
AU460693B2 (en) 1975-05-01
AU4170572A (en) 1973-11-08
DE2224353A1 (de) 1972-11-30
FR2138791B1 (es) 1973-07-13
CA964779A (en) 1975-03-18
DE2224353C3 (de) 1975-09-18
DE2224353B2 (de) 1975-02-13

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