ES236326A1 - Sistema detector de linea compartida - Google Patents

Sistema detector de linea compartida

Info

Publication number
ES236326A1
ES236326A1 ES0236326A ES236326A ES236326A1 ES 236326 A1 ES236326 A1 ES 236326A1 ES 0236326 A ES0236326 A ES 0236326A ES 236326 A ES236326 A ES 236326A ES 236326 A1 ES236326 A1 ES 236326A1
Authority
ES
Spain
Prior art keywords
filter
detector system
line detector
supply
party line
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
ES0236326A
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 ES236326A1 publication Critical patent/ES236326A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Selective Calling Equipment (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

Un sistema detector de línea compartida cuyo circuito del caracter descrito está caracterizado por un filtro de paso de banda adaptado para pasar una frecuencia de señal dada, un suministro de potencial de corriente continua, un dispositivo adaptado para ser conductivo en respuesta a la salida combinada de dicho filtro y dicho suministro y medios que acoplan dicho filtro y dicho suministro para aplicación combinada de dicho dispositivo, estando dichos medios de acoplamiento dispuestos para mantener dicho filtro libre de atenuación hasta que dicho dispositivo conduce.
ES0236326A 1956-07-02 1957-07-01 Sistema detector de linea compartida Expired ES236326A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US595486A US2938956A (en) 1956-07-02 1956-07-02 Party line detector system

Publications (1)

Publication Number Publication Date
ES236326A1 true ES236326A1 (es) 1958-01-01

Family

ID=24383434

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0236326A Expired ES236326A1 (es) 1956-07-02 1957-07-01 Sistema detector de linea compartida

Country Status (2)

Country Link
US (1) US2938956A (es)
ES (1) ES236326A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3057964A (en) * 1959-12-14 1962-10-09 Bell Telephone Labor Inc Multifrequency signaling receiver

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2237742A (en) * 1939-11-28 1941-04-08 Bell Telephone Labor Inc Telephone system
US2283610A (en) * 1940-02-02 1942-05-19 Bell Telephone Labor Inc Telephone system
US2277228A (en) * 1940-11-29 1942-03-24 Bell Telephone Labor Inc Telephone system
US2320081A (en) * 1941-04-05 1943-05-25 Bell Telephone Labor Inc Telephone system
US2849538A (en) * 1955-08-08 1958-08-26 Ralph D Collins Automatic party identifier system

Also Published As

Publication number Publication date
US2938956A (en) 1960-05-31

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