ES178445A1 - Perfeccionamientos en la transmision de senales eléctricas por impulso - Google Patents

Perfeccionamientos en la transmision de senales eléctricas por impulso

Info

Publication number
ES178445A1
ES178445A1 ES0178445A ES178445A ES178445A1 ES 178445 A1 ES178445 A1 ES 178445A1 ES 0178445 A ES0178445 A ES 0178445A ES 178445 A ES178445 A ES 178445A ES 178445 A1 ES178445 A1 ES 178445A1
Authority
ES
Spain
Prior art keywords
transmission
electrical signals
impulse
signal
impulses
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
ES0178445A
Other languages
English (en)
Spanish (es)
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 ES178445A1 publication Critical patent/ES178445A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04Q1/40—Signalling arrangements; Manipulation of signalling currents whereby duration of pulse or interval between two pulses is variable
    • H04Q1/42—Signalling arrangements; Manipulation of signalling currents whereby duration of pulse or interval between two pulses is variable involving the position of a pulse in a cycle
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/12—Arrangements providing for calling or supervisory signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)
  • Electrotherapy Devices (AREA)
ES0178445A 1946-07-08 1947-06-14 Perfeccionamientos en la transmision de senales eléctricas por impulso Expired ES178445A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB20301/46A GB617277A (en) 1946-07-08 1946-07-08 Improvements in or relating to signalling over electric pulse communication systems

Publications (1)

Publication Number Publication Date
ES178445A1 true ES178445A1 (es) 1947-08-01

Family

ID=10143714

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0178445A Expired ES178445A1 (es) 1946-07-08 1947-06-14 Perfeccionamientos en la transmision de senales eléctricas por impulso

Country Status (4)

Country Link
US (1) US2539497A (en, 2012)
ES (1) ES178445A1 (en, 2012)
FR (1) FR959009A (en, 2012)
GB (1) GB617277A (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE505861A (en, 2012) * 1950-10-12
BE510681A (en, 2012) * 1951-04-17

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419292A (en) * 1947-04-22 System fob transmitting two
NL87334C (en, 2012) * 1938-10-03
US2429613A (en) * 1943-10-19 1947-10-28 Standard Telephones Cables Ltd Pulse multiplex communication system
US2420374A (en) * 1944-07-01 1947-05-13 Rca Corp Pulse multiplex transmission system

Also Published As

Publication number Publication date
FR959009A (en, 2012) 1950-03-23
GB617277A (en) 1949-02-03
US2539497A (en) 1951-01-30

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