BE795892A - Dispositif de conversion d'ondes modulees en frequence en ondes modulees en amplitude - Google Patents

Dispositif de conversion d'ondes modulees en frequence en ondes modulees en amplitude

Info

Publication number
BE795892A
BE795892A BE795892DA BE795892A BE 795892 A BE795892 A BE 795892A BE 795892D A BE795892D A BE 795892DA BE 795892 A BE795892 A BE 795892A
Authority
BE
Belgium
Prior art keywords
modulated waves
converting frequency
amplitude
frequency modulated
amplitude modulated
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Radio Diffusion Tv Francaise
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.)
Publication date
Publication of BE795892A publication Critical patent/BE795892A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/50—Amplitude modulation by converting angle modulation to amplitude modulation
BE795892D 1972-02-28 Dispositif de conversion d'ondes modulees en frequence en ondes modulees en amplitude BE795892A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7206662A FR2173688B1 (un) 1972-02-28 1972-02-28

Publications (1)

Publication Number Publication Date
BE795892A true BE795892A (fr) 1973-06-18

Family

ID=9094230

Family Applications (1)

Application Number Title Priority Date Filing Date
BE795892D BE795892A (fr) 1972-02-28 Dispositif de conversion d'ondes modulees en frequence en ondes modulees en amplitude

Country Status (11)

Country Link
US (1) US3813617A (un)
JP (1) JPS5740681B2 (un)
BE (1) BE795892A (un)
CA (1) CA1000372A (un)
CH (1) CH570073A5 (un)
DE (1) DE2304692C2 (un)
FR (1) FR2173688B1 (un)
GB (1) GB1349640A (un)
IT (1) IT979307B (un)
NL (1) NL174604C (un)
SE (1) SE394062B (un)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS596524B2 (ja) * 1974-08-14 1984-02-13 ソニー株式会社 Ｆｍ−ａｍ変換装置
DE3124963A1 (de) * 1981-06-25 1983-01-20 Philips Patentverwaltung Gmbh, 2000 Hamburg Anordnung zur demodulation eines frequenzmodulierten eingangssignals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB556208A (en) * 1941-04-25 1943-09-24 Standard Telephones Cables Ltd Arrangement for conversion of frequency modulation to phase modulation and the application thereof to the production of a frequency modulated wave from a frequency stable oscillator
US2976491A (en) * 1958-05-21 1961-03-21 Raytheon Co Circuit responsive to amplitude and phase modulated wave and converting amplitude modulation into secondary phase modulation
NL235487A (un) * 1959-01-26 1964-02-25
DE1200891B (de) * 1962-04-09 1965-09-16 Pierre Brossard Demodulator fuer frequenzmodulierte elektrische Hochfrequenzschwingungen
BE631621A (un) * 1962-05-02
FR1388796A (fr) * 1963-12-03 1965-02-12 Cft Comp Fse Television Perfectionnements aux dispositifs de conversion d'une onde modulée en fréquence
US3387220A (en) * 1965-02-23 1968-06-04 Automatic Elect Lab Apparatus and method for synchronously demodulating frequency modulated differentially coherent duobinary signals

Also Published As

Publication number Publication date
NL174604C (nl) 1984-07-02
FR2173688A1 (un) 1973-10-12
FR2173688B1 (un) 1976-01-16
IT979307B (it) 1974-09-30
CA1000372A (en) 1976-11-23
JPS48101864A (un) 1973-12-21
NL174604B (nl) 1984-02-01
DE2304692C2 (de) 1984-05-03
GB1349640A (en) 1974-04-10
NL7301087A (un) 1973-08-30
JPS5740681B2 (un) 1982-08-30
DE2304692A1 (de) 1973-09-13
CH570073A5 (un) 1975-11-28
SE394062B (sv) 1977-05-31
US3813617A (en) 1974-05-28

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: OFFICE DE RADIODIFFUSION TELEVISION FRANCAISE

Effective date: 19860228