CH290754A - Radio communication system. - Google Patents

Radio communication system.

Info

Publication number
CH290754A
CH290754A CH290754DA CH290754A CH 290754 A CH290754 A CH 290754A CH 290754D A CH290754D A CH 290754DA CH 290754 A CH290754 A CH 290754A
Authority
CH
Switzerland
Prior art keywords
communication system
radio communication
radio
communication
Prior art date
Application number
Other languages
German (de)
Inventor
Inventa Ag Fuer Forschu Luzern
Original Assignee
Inventa 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 Inventa Ag filed Critical Inventa Ag
Publication of CH290754A publication Critical patent/CH290754A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/12—Frequency diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
CH290754D 1950-07-18 1950-01-02 Radio communication system. CH290754A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEV2075A DE903347C (en) 1950-07-18 1950-07-18 Radio, transmitting and receiving system for wireless transmission of character strings

Publications (1)

Publication Number Publication Date
CH290754A true CH290754A (en) 1953-05-15

Family

ID=7569932

Family Applications (1)

Application Number Title Priority Date Filing Date
CH290754D CH290754A (en) 1950-07-18 1950-01-02 Radio communication system.

Country Status (2)

Country Link
CH (1) CH290754A (en)
DE (1) DE903347C (en)

Also Published As

Publication number Publication date
DE903347C (en) 1954-02-04

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