[go: up one dir, main page]

CH321345A - Method for carrier stabilization of news transmitters with several radio frequency channels - Google Patents

Method for carrier stabilization of news transmitters with several radio frequency channels

Info

Publication number
CH321345A
CH321345A CH321345DA CH321345A CH 321345 A CH321345 A CH 321345A CH 321345D A CH321345D A CH 321345DA CH 321345 A CH321345 A CH 321345A
Authority
CH
Switzerland
Prior art keywords
news
transmitters
radio frequency
frequency channels
several radio
Prior art date
Application number
Other languages
German (de)
Inventor
Rudolf Fehlmann Hans
Original Assignee
Standard Telephon & Radio 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 Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH321345A publication Critical patent/CH321345A/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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/06—Arrangements for supplying the carrier waves ; Arrangements for supplying synchronisation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
CH321345D 1954-03-01 1954-03-01 Method for carrier stabilization of news transmitters with several radio frequency channels CH321345A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1005135X 1954-03-01

Publications (1)

Publication Number Publication Date
CH321345A true CH321345A (en) 1957-04-30

Family

ID=4552220

Family Applications (1)

Application Number Title Priority Date Filing Date
CH321345D CH321345A (en) 1954-03-01 1954-03-01 Method for carrier stabilization of news transmitters with several radio frequency channels

Country Status (2)

Country Link
CH (1) CH321345A (en)
DE (1) DE1005135B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR962280A (en) * 1946-05-31 1950-06-07
BE484964A (en) * 1947-09-23

Also Published As

Publication number Publication date
DE1005135B (en) 1957-03-28

Similar Documents

Publication Publication Date Title
CH326650A (en) Process for the preservation of materials
CH348430A (en) Method for distance measurement using the transit time of high-frequency electrical oscillations
CH370447A (en) Radio transmission system for single sideband transmission with suppressed carrier frequency
FR1106441A (en) Magnetron frequency stabilization system
FR1244783A (en) Frequency modulated radio receiver
CH321345A (en) Method for carrier stabilization of news transmitters with several radio frequency channels
FR1129797A (en) Advanced Frequency Modulation Radio Receiver
FR1146867A (en) Radio telegraphy system
CH361845A (en) Circuit arrangement for frequency stabilization of frequency-modulated self-excited transmitters
CH323185A (en) Facility for carrier frequency telegraphy
CH325324A (en) Circuit arrangement for frequency modulation
AT186673B (en) Carrier Frequency Telegraphy Facility
CH329735A (en) Process for the production of foams
CH345670A (en) Carrier frequency communication system
FR1166539A (en) High frequency oscillator
FR1103546A (en) Radio telegraph system
CA497731A (en) Automatic frequency stabilization system
AT191472B (en) Carrier frequency telephone system
CA493742A (en) Radio frequency apparatus
AT190550B (en) Carrier wave telephone transmitters for the transmission of single sideband voice signals
CH384642A (en) Circuit arrangement for frequency modulation
AT182517B (en) Wooden belt carrier and method of making the same
CH340566A (en) Device for high frequency heating of workpieces
FR1114389A (en) Frequency discriminator
FR1163767A (en) Frequency modulation method and apparatus for broadcast transmitter