CH217893A - Dual carrier frequency system. - Google Patents

Dual carrier frequency system.

Info

Publication number
CH217893A
CH217893A CH217893DA CH217893A CH 217893 A CH217893 A CH 217893A CH 217893D A CH217893D A CH 217893DA CH 217893 A CH217893 A CH 217893A
Authority
CH
Switzerland
Prior art keywords
carrier frequency
frequency system
dual carrier
dual
frequency
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft C Lorenz
Original Assignee
Lorenz C Ag
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 Lorenz C Ag filed Critical Lorenz C Ag
Publication of CH217893A publication Critical patent/CH217893A/en

Links

Classifications

    • 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

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radio Relay Systems (AREA)
  • Small-Scale Networks (AREA)
CH217893D 1940-03-28 1941-03-13 Dual carrier frequency system. CH217893A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE217893X 1940-03-28

Publications (1)

Publication Number Publication Date
CH217893A true CH217893A (en) 1941-11-15

Family

ID=5831012

Family Applications (1)

Application Number Title Priority Date Filing Date
CH217893D CH217893A (en) 1940-03-28 1941-03-13 Dual carrier frequency system.

Country Status (3)

Country Link
US (1) US2328450A (en)
CH (1) CH217893A (en)
FR (1) FR871107A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR908688A (en) * 1942-02-20 1946-04-16 Constr Telephoniques High frequency traffic system on power transmission lines
US2695927A (en) * 1951-12-29 1954-11-30 Bell Telephone Labor Inc Multichannel carrier telephone system
CA1159972A (en) * 1980-05-15 1984-01-03 Zdzistaw A. A. Krajewski 2-wire frequency division multiplex system
US4996709A (en) * 1988-05-12 1991-02-26 Tandy Corporation Intercom telephone

Also Published As

Publication number Publication date
FR871107A (en) 1942-04-09
US2328450A (en) 1943-08-31

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