BR7804474A - TELECOMMUNICATION CARRIER FREQUENCY SYSTEM - Google Patents

TELECOMMUNICATION CARRIER FREQUENCY SYSTEM

Info

Publication number
BR7804474A
BR7804474A BR7804474A BR7804474A BR7804474A BR 7804474 A BR7804474 A BR 7804474A BR 7804474 A BR7804474 A BR 7804474A BR 7804474 A BR7804474 A BR 7804474A BR 7804474 A BR7804474 A BR 7804474A
Authority
BR
Brazil
Prior art keywords
carrier frequency
frequency system
telecommunication carrier
telecommunication
frequency
Prior art date
Application number
BR7804474A
Other languages
Portuguese (pt)
Inventor
G Cocchi
Original Assignee
Siemens Spa Italiana
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 Siemens Spa Italiana filed Critical Siemens Spa Italiana
Publication of BR7804474A publication Critical patent/BR7804474A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/04Frequency-transposition arrangements
    • H04J1/045Filters applied to frequency transposition

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
BR7804474A 1977-09-12 1978-07-12 TELECOMMUNICATION CARRIER FREQUENCY SYSTEM BR7804474A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2743977A IT1114144B (en) 1977-09-12 1977-09-12 TELECOMMUNICATIONS SYSTEM AT GLASS FREQUENCIES

Publications (1)

Publication Number Publication Date
BR7804474A true BR7804474A (en) 1979-04-03

Family

ID=11221643

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7804474A BR7804474A (en) 1977-09-12 1978-07-12 TELECOMMUNICATION CARRIER FREQUENCY SYSTEM

Country Status (3)

Country Link
BR (1) BR7804474A (en)
DE (1) DE2839620A1 (en)
IT (1) IT1114144B (en)

Also Published As

Publication number Publication date
DE2839620A1 (en) 1979-03-22
IT1114144B (en) 1986-01-27

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