ES177703A1 - MEJORAS EN O RELATIVAS A SISTEMAS MULTICANALES DE COMUNICACIoN POR ONDA PORTADORA - Google Patents

MEJORAS EN O RELATIVAS A SISTEMAS MULTICANALES DE COMUNICACIoN POR ONDA PORTADORA

Info

Publication number
ES177703A1
ES177703A1 ES0177703A ES177703A ES177703A1 ES 177703 A1 ES177703 A1 ES 177703A1 ES 0177703 A ES0177703 A ES 0177703A ES 177703 A ES177703 A ES 177703A ES 177703 A1 ES177703 A1 ES 177703A1
Authority
ES
Spain
Prior art keywords
frequency range
primary frequency
relating
communication systems
wave communication
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
ES0177703A
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 ES177703A1 publication Critical patent/ES177703A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H04J1/045—Filters applied to frequency transposition

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Telephonic Communication Services (AREA)
ES0177703A 1946-04-08 1947-04-21 MEJORAS EN O RELATIVAS A SISTEMAS MULTICANALES DE COMUNICACIoN POR ONDA PORTADORA Expired ES177703A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1074846A GB602229A (en) 1946-04-08 1946-04-08 Improvements in or relating to multi-channel carrier communication systems

Publications (1)

Publication Number Publication Date
ES177703A1 true ES177703A1 (es) 1947-06-01

Family

ID=9973557

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0177703A Expired ES177703A1 (es) 1946-04-08 1947-04-21 MEJORAS EN O RELATIVAS A SISTEMAS MULTICANALES DE COMUNICACIoN POR ONDA PORTADORA

Country Status (4)

Country Link
ES (1) ES177703A1 (en, 2012)
FR (1) FR944381A (en, 2012)
GB (1) GB602229A (en, 2012)
NL (1) NL75113C (en, 2012)

Also Published As

Publication number Publication date
GB602229A (en) 1948-05-21
NL75113C (en, 2012)
FR944381A (fr) 1949-04-04

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