ES182252A1 - UN SISTEMA DE CONMUTACIoN PARA TELECOMUNICACIoN - Google Patents

UN SISTEMA DE CONMUTACIoN PARA TELECOMUNICACIoN

Info

Publication number
ES182252A1
ES182252A1 ES0182252A ES182252A ES182252A1 ES 182252 A1 ES182252 A1 ES 182252A1 ES 0182252 A ES0182252 A ES 0182252A ES 182252 A ES182252 A ES 182252A ES 182252 A1 ES182252 A1 ES 182252A1
Authority
ES
Spain
Prior art keywords
telecommunication
switching system
signaling
keys
circuit
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
ES0182252A
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 ES182252A1 publication Critical patent/ES182252A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/515—Devices for calling a subscriber by generating or selecting signals other than trains of pulses of similar shape, or signals other than currents of one or more different frequencies, e.g. generation of dc signals of alternating polarity, coded pulses or impedance dialling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of dc pulses
    • H04Q1/34—Impulse regenerators with mechanical or other non-electrical marking arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20396—Hand operated
    • Y10T74/20402—Flexible transmitter [e.g., Bowden cable]
    • Y10T74/20444—Flexible transmitter [e.g., Bowden cable] including rolling antifriction elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electronic Switches (AREA)
  • Percussion Or Vibration Massage (AREA)

Abstract

Sistemas de conmutación para telecomunicación en los que en un sistema de control de circuito, un circuito de señalización, teclas correspondientes a las cifras "1" a "9" y "0", y medios gobernados por dichas teclas para producir en dicho circuito de señalización diferentes combinaciones, una por cada tecla, de impulsos positivos y negativos.
ES0182252A 1947-01-21 1948-02-10 UN SISTEMA DE CONMUTACIoN PARA TELECOMUNICACIoN Expired ES182252A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US723446A US2502440A (en) 1947-01-21 1947-01-21 Variable impulse transmitter

Publications (1)

Publication Number Publication Date
ES182252A1 true ES182252A1 (es) 1948-04-01

Family

ID=24906305

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0182252A Expired ES182252A1 (es) 1947-01-21 1948-02-10 UN SISTEMA DE CONMUTACIoN PARA TELECOMUNICACIoN

Country Status (2)

Country Link
US (1) US2502440A (es)
ES (1) ES182252A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE496430A (es) * 1949-06-23
GB792294A (en) * 1954-12-31 1958-03-26 Standard Telephones Cables Ltd Improvements in or relating to intelligence storage equipment
US4199666A (en) * 1977-07-25 1980-04-22 Davis Howard S Straight line telephone dialer
US4335280A (en) * 1979-05-29 1982-06-15 Butchko Joseph J Telephone construction
US4787264A (en) * 1986-11-21 1988-11-29 Incom International Inc. Remote control with ball bearings in linked ball-cage elements

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1251495A (en) * 1917-07-19 1918-01-01 Western Electric Co Impulse-sending mechanism.
US1835256A (en) * 1927-07-20 1931-12-08 American Electric Company Inc Telephone system
US2113611A (en) * 1934-07-26 1938-04-12 Ibm Communication system
US2386486A (en) * 1941-08-20 1945-10-09 Bell Telephone Labor Inc Call transmitter
US2364771A (en) * 1942-05-28 1944-12-12 Bell Telephone Labor Inc Telephone signaling system
US2347108A (en) * 1943-02-05 1944-04-18 Bell Telephone Labor Inc Call transmitter for telephone signaling systems
US2406001A (en) * 1944-02-24 1946-08-20 Int Standard Electric Corp Electrical signaling system

Also Published As

Publication number Publication date
US2502440A (en) 1950-04-04

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