FR1231361A - Perfectionnements aux systèmes à modulation de fréquence ou de phase - Google Patents

Perfectionnements aux systèmes à modulation de fréquence ou de phase

Info

Publication number
FR1231361A
FR1231361A FR800928A FR800928A FR1231361A FR 1231361 A FR1231361 A FR 1231361A FR 800928 A FR800928 A FR 800928A FR 800928 A FR800928 A FR 800928A FR 1231361 A FR1231361 A FR 1231361A
Authority
FR
France
Prior art keywords
frequency
phase modulation
modulation systems
systems
phase
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR800928A
Other languages
English (en)
Inventor
Bent Bulow Jacobsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR1231361A publication Critical patent/FR1231361A/fr
Expired legal-status Critical Current

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
    • H04B1/66—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 for reducing bandwidth of signals; for improving efficiency of transmission
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/50—Amplitude modulation by converting angle modulation to amplitude modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/06—Means for changing frequency deviation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/26—Demodulation of angle-, frequency- or phase- modulated oscillations by means of sloping amplitude/frequency characteristic of tuned or reactive circuit
    • 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
    • H04B1/68—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 for wholly or partially suppressing the carrier or one side band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)
  • Amplitude Modulation (AREA)
FR800928A 1958-07-25 1959-07-23 Perfectionnements aux systèmes à modulation de fréquence ou de phase Expired FR1231361A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2400758A GB869353A (en) 1958-07-25 1958-07-25 Improvements in or relating to modulating arrangements for frequency or phase modulation communication systems

Publications (1)

Publication Number Publication Date
FR1231361A true FR1231361A (fr) 1960-09-28

Family

ID=10204886

Family Applications (1)

Application Number Title Priority Date Filing Date
FR800928A Expired FR1231361A (fr) 1958-07-25 1959-07-23 Perfectionnements aux systèmes à modulation de fréquence ou de phase

Country Status (3)

Country Link
CH (1) CH375763A (fr)
FR (1) FR1231361A (fr)
GB (1) GB869353A (fr)

Also Published As

Publication number Publication date
GB869353A (en) 1961-05-31
CH375763A (de) 1964-03-15

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