ES2006728A6 - Dispositivo de acceso a linea telefonica - Google Patents

Dispositivo de acceso a linea telefonica

Info

Publication number
ES2006728A6
ES2006728A6 ES8603071A ES8603071A ES2006728A6 ES 2006728 A6 ES2006728 A6 ES 2006728A6 ES 8603071 A ES8603071 A ES 8603071A ES 8603071 A ES8603071 A ES 8603071A ES 2006728 A6 ES2006728 A6 ES 2006728A6
Authority
ES
Spain
Prior art keywords
stage
pair
telephone line
line access
access apparatus
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
ES8603071A
Other languages
English (en)
Inventor
Hargrave Franklin Nmn
Francisco Artur Middleton
Jr David Andrew Zeller
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 Standard Electrics 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 Standard Electrics SA filed Critical Alcatel Standard Electrics SA
Publication of ES2006728A6 publication Critical patent/ES2006728A6/es
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
    • H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters
    • H03H9/60—Electric coupling means therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines
    • H04M3/007—Access interface units for simultaneous transmission of speech and data, e.g. digital subscriber line [DSL] access interface units
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/18—Automatic or semi-automatic exchanges with means for reducing interference or noise; with means for reducing effects due to line faults with means for protecting lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/02—Constructional details
    • H04Q1/14—Distribution frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

DISPOSITIVO DE ACCESO A LINEA TELEFONICA. DISPOSITIVO DE ACCESO A LINEA TELEFONICA QUE INCLUYE UNA PRIMERA ETAPA (32) PARA PROPORCIONAR PROTECCION CONTRA LA ALTA TENSION Y UNA SEGUNDA ETAPA (34) DE FILTRADOS EN SERIE CON LA PRIMERA ETAPA. LA PRIMERA Y SEGUNDA ETAPAS SE ALOJAN EN UN RECEPTACULO (36) QUE ESTA ADAPTADO PARA SU CONEXION A UN REPARTIDOR PRINCIPAL EXISTENTE EN UNA CENTRAL TELEFONICA.
ES8603071A 1985-11-19 1986-11-18 Dispositivo de acceso a linea telefonica Expired ES2006728A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/799,522 US4782480A (en) 1985-11-19 1985-11-19 Telephone line access apparatus

Publications (1)

Publication Number Publication Date
ES2006728A6 true ES2006728A6 (es) 1989-05-16

Family

ID=25176134

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8603071A Expired ES2006728A6 (es) 1985-11-19 1986-11-18 Dispositivo de acceso a linea telefonica

Country Status (4)

Country Link
US (1) US4782480A (es)
EP (1) EP0223546B1 (es)
ES (1) ES2006728A6 (es)
MX (1) MX161170A (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5260994A (en) * 1991-09-25 1993-11-09 Reliance Comm/Tec Corporation Maintenance termination unit module
US5704797A (en) * 1994-05-19 1998-01-06 Tii Industries, Inc. Switchable electrical socket
US5553136A (en) * 1994-05-19 1996-09-03 Tii Industries, Inc. Modular device for telephone network interface apparatus
US20040057188A1 (en) * 2002-09-24 2004-03-25 Qwest Communications International Inc. System and method for providing telephone service restrictions

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2009438A (en) * 1931-07-31 1935-07-30 Bell Telephone Labor Inc Carrier wave transmission system
US3562792A (en) * 1968-06-04 1971-02-09 Clevite Corp Piezoelectric transformer
US3613032A (en) * 1970-03-19 1971-10-12 Hughes Aircraft Co Composite crystal filter circuit
FR2398413A1 (fr) * 1977-07-22 1979-02-16 Cepe Filtre electrique de frequence a cristaux piezoelectriques
US4117264A (en) 1977-08-02 1978-09-26 Coil Sales & Manufacturing Company Diode package for use with a central office connector module
US4161008A (en) * 1978-04-26 1979-07-10 Northern Telecom Limited Protection circuitry for cable transmission system
US4215325A (en) * 1979-03-09 1980-07-29 The United States Of America As Represented By The Secretary Of The Navy Minimal distortion video bandpass filter
DE3003290A1 (de) * 1980-01-30 1981-08-06 Siemens AG, 1000 Berlin und 8000 München Digital-fernmeldesystem
GB2064256B (en) * 1979-10-22 1983-11-23 Secr Defence Surface acoustic wave devices and system including such devices
US4342969A (en) * 1980-10-06 1982-08-03 General Electric Company Means for matching impedances between a helical resonator and a circuit connected thereto
NL8100242A (nl) * 1981-01-20 1982-08-16 Philips Nv Overspanningsbeveiliging van een lijncircuit.
DE3264629D1 (en) 1981-04-06 1985-08-14 Northern Telecom Ltd Apparatus for coupling signals to or from a two-wire line
DE3237652A1 (de) * 1982-10-11 1984-04-12 Siemens AG, 1000 Berlin und 8000 München Fernsprechanlage
US4575840A (en) * 1984-03-30 1986-03-11 Itt Corporation Telephone line access device for main distribution frame
US4575699A (en) * 1984-11-23 1986-03-11 Tektronix, Inc. Dielectric resonator frequency selective network

Also Published As

Publication number Publication date
EP0223546A2 (en) 1987-05-27
EP0223546B1 (en) 1992-02-19
MX161170A (es) 1990-08-10
US4782480A (en) 1988-11-01
EP0223546A3 (en) 1988-09-07

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