CH242962A - Transmitter group for the transmission of oscillations modulated in frequency or phase. - Google Patents

Transmitter group for the transmission of oscillations modulated in frequency or phase.

Info

Publication number
CH242962A
CH242962A CH242962DA CH242962A CH 242962 A CH242962 A CH 242962A CH 242962D A CH242962D A CH 242962DA CH 242962 A CH242962 A CH 242962A
Authority
CH
Switzerland
Prior art keywords
frequency
phase
transmission
transmitter group
oscillations modulated
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH242962A publication Critical patent/CH242962A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/42—Arrangements for resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
    • H04B14/006—Angle modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/20—Frequency-division multiplex systems in which at least one carrier is angle-modulated

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
CH242962D 1943-03-04 1944-03-04 Transmitter group for the transmission of oscillations modulated in frequency or phase. CH242962A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL242962X 1943-03-04

Publications (1)

Publication Number Publication Date
CH242962A true CH242962A (en) 1946-06-15

Family

ID=19780689

Family Applications (1)

Application Number Title Priority Date Filing Date
CH242962D CH242962A (en) 1943-03-04 1944-03-04 Transmitter group for the transmission of oscillations modulated in frequency or phase.

Country Status (3)

Country Link
BE (1) BE454640A (en)
CH (1) CH242962A (en)
FR (1) FR902368A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1111681B (en) * 1952-12-02 1961-07-27 Rundfunk Betr Stechnik G M B H Wireless messaging system with multiple occupancy of VHF-FM frequency channels
DE1230471B (en) * 1956-02-02 1966-12-15 Siemens Ag FM communication system using equally modulated transmitters that use carrier frequencies in the same radio channel
DE1240954B (en) * 1957-03-07 1967-05-24 Siemens Ag Radio transmission and reception system with frequency-modulated transmitters of the same modulation for area coverage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1111681B (en) * 1952-12-02 1961-07-27 Rundfunk Betr Stechnik G M B H Wireless messaging system with multiple occupancy of VHF-FM frequency channels
DE1230471B (en) * 1956-02-02 1966-12-15 Siemens Ag FM communication system using equally modulated transmitters that use carrier frequencies in the same radio channel
DE1240954B (en) * 1957-03-07 1967-05-24 Siemens Ag Radio transmission and reception system with frequency-modulated transmitters of the same modulation for area coverage

Also Published As

Publication number Publication date
BE454640A (en)
FR902368A (en) 1945-08-29

Similar Documents

Publication Publication Date Title
CH262126A (en) Arrangement for the transmission of phase-modulated or frequency-modulated vibrations.
CH242962A (en) Transmitter group for the transmission of oscillations modulated in frequency or phase.
CH257595A (en) Tunable ultra-high frequency apparatus.
CH246393A (en) Circuit for reducing the distortion occurring in the transmission of frequency or phase modulated vibrations.
CH241543A (en) Circuit for frequency or phase modulation of electrical oscillations.
CH231617A (en) Device for the transmission of signals by means of a frequency-modulated carrier wave.
CH247881A (en) Circuit arrangement for frequency modulation of a carrier wave.
DK63505C (en) Receive coupling for frequency modulated oscillations.
DK64220C (en) Overlay Receive Coupling for Receiving Frequency Modulated or Amplitude Modulated Oscillations.
FR950682A (en) Frequency modulated receiver
FR948609A (en) Frequency modulated receiver
CH241789A (en) Circuit for frequency modulating a carrier wave.
CA414042A (en) Frequency modulation receiver
AU118264B2 (en) Frequency modulation receiver
DK69581C (en) Coupling for constant maintenance of the average frequency of frequency modulated transmitters.
CH294914A (en) Superimposition receiver for frequency-modulated oscillations with different frequency deviation.
CH256364A (en) Method for the transmission of tactile characters by means of frequency-modulated carrier waves
CA411996A (en) Frequency modulation system
AU121762B2 (en) Frequency modulation system
DK76356C (en) Coupling for constant maintenance of the average frequency of a frequency modulated oscillator.
AU119145B2 (en) Frequency modulation systems
AT170210B (en) Arrangement for the transmission of phase-modulated or frequency-modulated telecommunications signals
AU1249743A (en) Frequency modulation
ES161633A1 (en) PROVISION OF MODULATING THE FREQUENCY OF A SELF-EXECUTED TRANSMITTER OF SHORT WAVES
AU118683B2 (en) Frequency modulator