BR9904809A - Aparelho e método para telefonia digital - Google Patents

Aparelho e método para telefonia digital

Info

Publication number
BR9904809A
BR9904809A BR9904809-4A BR9904809A BR9904809A BR 9904809 A BR9904809 A BR 9904809A BR 9904809 A BR9904809 A BR 9904809A BR 9904809 A BR9904809 A BR 9904809A
Authority
BR
Brazil
Prior art keywords
modems
digital
digital telephony
link
arranged along
Prior art date
Application number
BR9904809-4A
Other languages
English (en)
Inventor
Zuri Guzikevits
Joshua Piasecki
Original Assignee
Eci Telecom Ltd
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 Eci Telecom Ltd filed Critical Eci Telecom Ltd
Publication of BR9904809A publication Critical patent/BR9904809A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • 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
    • H04M11/068—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using time division multiplex techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13034—A/D conversion, code compression/expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13107—Control equipment for a part of the connection, distributed control, co-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13199—Modem, modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13214—Clock signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13292—Time division multiplexing, TDM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1336—Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13381—Pair-gain system, digital loop carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13396—Signaling in general, in-band signalling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Communication Control (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

Patente de Invenção: <B>"APARELHO E MéTODO PARA TELEFONIA DIGITAL"<D>. Sistema de telecomunicações incluindo uma ligação telefónica pelo menos parcialmente digital, tendo uma porção final analógica, primeiro e segundo modems dispostos ao longo da ligação, e dispositivos analógicos/digitais dispostos ao longo da ligação entre os modems, os quais são operativos para suportar comunicações entre os primeiro e segundo modems, substancialmente em taxas de bits acima de 28,8 Kbps.
BR9904809-4A 1998-01-25 1999-01-24 Aparelho e método para telefonia digital BR9904809A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL12304598A IL123045A0 (en) 1998-01-25 1998-01-25 Apparatus and method for digital telephony
PCT/IL1999/000041 WO1999038351A1 (en) 1998-01-25 1999-01-24 Apparatus and method for digital telephony

Publications (1)

Publication Number Publication Date
BR9904809A true BR9904809A (pt) 2000-05-23

Family

ID=11071131

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9904809-4A BR9904809A (pt) 1998-01-25 1999-01-24 Aparelho e método para telefonia digital

Country Status (8)

Country Link
US (1) US6628664B1 (pt)
EP (1) EP0972425A1 (pt)
AU (1) AU2072299A (pt)
BR (1) BR9904809A (pt)
IL (1) IL123045A0 (pt)
TW (1) TW448661B (pt)
WO (1) WO1999038351A1 (pt)
ZA (1) ZA99517B (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1190561B1 (de) 1999-06-25 2004-11-03 Infineon Technologies AG Kodec-schaltung und verfahren zur erhöhung der datenübertragungsrate bei einer modem-übertragung
IL134940A (en) * 2000-03-08 2003-10-31 Eci Telecom Ltd Telecommunication system having v.90 capabilities
IL142379A0 (en) 2000-05-21 2002-03-10 Surf Comm Solutions Ltd Modem relay over packet based network
IL136775A0 (en) 2000-06-14 2001-06-14 Surf Comm Solutions Ltd Modem relay over packet based network
WO2001091371A2 (en) 2000-05-21 2001-11-29 Surf Communication Solutions, Ltd. Modem relay over packet based network
AU2000264670A1 (en) 2000-05-21 2001-12-03 Surf Communication Solutions, Ltd. Modem relay over packet based network
EP1290908A1 (en) * 2000-05-21 2003-03-12 Surf Communication Solutions, Ltd. Back-to-back modem repeater
JP2002051031A (ja) * 2000-08-04 2002-02-15 Nec Corp 同期データ伝送装置
EP1282328A1 (de) * 2001-07-27 2003-02-05 Alcatel Verfahren zum Aufbau von Telekommunikationsverbindungen im Anschlussbereich einer Teilnehmervermittlungsstelle, Teilnehmeranschlusssystem, Teilnehmervermittlungsstelle und Vorfeldeinrichtung
US20040252800A1 (en) * 2003-06-13 2004-12-16 Kishore Kota Multi-channel line interface unit with on-chip clock management
US8230490B2 (en) * 2007-07-31 2012-07-24 Keycorp System and method for authentication of users in a secure computer system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4675863A (en) * 1985-03-20 1987-06-23 International Mobile Machines Corp. Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
US5034962A (en) * 1988-07-01 1991-07-23 Oki Electric Industry Co., Ltd. Voice-band signal processor
US5040190A (en) * 1989-12-22 1991-08-13 Adtran Analog data station terminal
US5384806A (en) * 1991-09-23 1995-01-24 At&T Bell Laboratories Modem with time-invariant echo path
US5394437A (en) * 1992-10-20 1995-02-28 At&T Corp. High-speed modem synchronized to a remote CODEC
AT399071B (de) * 1992-10-27 1995-03-27 Semcotec Handel Nachrichtenübertragungssystem, insbesondere telefonsystem
JPH0779209A (ja) * 1993-09-08 1995-03-20 Fujitsu Ltd フレーム／マルチフレーム位相補正方式
JP4291410B2 (ja) * 1994-12-09 2009-07-08 ブレント タウンシェンド、 高速データ転送エンコーダ、デコーダ、システム、エンコード方法および復号方法
US5691718A (en) * 1995-06-07 1997-11-25 Raychem Corporation Dual 4-wire analog data multiplexer

Also Published As

Publication number Publication date
US6628664B1 (en) 2003-09-30
WO1999038351A1 (en) 1999-07-29
IL123045A0 (en) 1998-09-24
ZA99517B (en) 1999-07-26
TW448661B (en) 2001-08-01
EP0972425A1 (en) 2000-01-19
AU2072299A (en) 1999-08-09

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 11A E 12A ANUIDADE

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2082 DE 30/11/2010.