DK133569B - FM/AM-omsætter til omsætning af en frekvensmoduleret bølge til en amplitudemoduleret bølge med undertrykt bærefrekvens. - Google Patents

FM/AM-omsætter til omsætning af en frekvensmoduleret bølge til en amplitudemoduleret bølge med undertrykt bærefrekvens.

Info

Publication number
DK133569B
DK133569B DK594764AA DK594764A DK133569B DK 133569 B DK133569 B DK 133569B DK 594764A A DK594764A A DK 594764AA DK 594764 A DK594764 A DK 594764A DK 133569 B DK133569 B DK 133569B
Authority
DK
Denmark
Prior art keywords
modulated wave
frequency
converter
converting
suppressed carrier
Prior art date
Application number
DK594764AA
Other languages
Danish (da)
English (en)
Other versions
DK133569C (xx
Inventor
Gerard Melchior
Pierre Cassagne
Original Assignee
Cft Comp Fse Television
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 Cft Comp Fse Television filed Critical Cft Comp Fse Television
Publication of DK133569B publication Critical patent/DK133569B/da
Application granted granted Critical
Publication of DK133569C publication Critical patent/DK133569C/da

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00Demodulation of angle-, frequency- or phase- modulated oscillations
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03CMODULATION
    • H03C1/00Amplitude modulation
    • H03C1/50Amplitude modulation by converting angle modulation to amplitude modulation
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00Colour television systems
    • H04N11/06Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/20Conversion of the manner in which the individual colour picture signal components are combined, e.g. conversion of colour television standards
    • H04N11/22Conversion of the manner in which the individual colour picture signal components are combined, e.g. conversion of colour television standards in which simultaneous signals are converted into sequential signals or vice versa

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Amplitude Modulation (AREA)
  • Television Receiver Circuits (AREA)
  • Transmitters (AREA)
  • Color Television Systems (AREA)
DK594764AA 1963-12-03 1964-12-02 FM/AM-omsætter til omsætning af en frekvensmoduleret bølge til en amplitudemoduleret bølge med undertrykt bærefrekvens. DK133569B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR955788A FR1388796A (fr) 1963-12-03 1963-12-03 Perfectionnements aux dispositifs de conversion d'une onde modulée en fréquence

Publications (2)

Publication Number Publication Date
DK133569B true DK133569B (da) 1976-06-08
DK133569C DK133569C (xx) 1976-12-06

Family

ID=8817940

Family Applications (1)

Application Number Title Priority Date Filing Date
DK594764AA DK133569B (da) 1963-12-03 1964-12-02 FM/AM-omsætter til omsætning af en frekvensmoduleret bølge til en amplitudemoduleret bølge med undertrykt bærefrekvens.

Country Status (13)

Country Link
US (1) US3348168A (xx)
JP (1) JPS4921444B1 (xx)
AT (1) AT248510B (xx)
BE (1) BE656365A (xx)
CH (1) CH417700A (xx)
DE (1) DE1262369B (xx)
DK (1) DK133569B (xx)
ES (1) ES306650A1 (xx)
FR (1) FR1388796A (xx)
GB (1) GB1075017A (xx)
LU (1) LU47491A1 (xx)
NL (1) NL149655B (xx)
SE (1) SE320406B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757336A (en) * 1970-07-02 1973-09-04 Hughes Aircraft Co Antenna direction control system
BE795892A (fr) * 1972-02-28 1973-06-18 Radio Diffusion Tv Francaise Dispositif de conversion d'ondes modulees en frequence en ondes modulees en amplitude
US3806833A (en) * 1972-03-17 1974-04-23 Alden Res Found Video printer and fm to am signal converter
US4001729A (en) * 1975-03-31 1977-01-04 Hughes Aircraft Company Fm to am converter
GB1558678A (en) * 1975-08-14 1980-01-09 Nippon Electric Co Fm-to am or am-to-am carrier converters
US4835792A (en) * 1988-01-25 1989-05-30 California Institute Of Technology Universal FM receiver for mobile communications
US5333664A (en) * 1993-05-17 1994-08-02 Richard Sirianni Shower door protector shade

Also Published As

Publication number Publication date
SE320406B (xx) 1970-02-09
DE1262369B (de) 1968-03-07
NL6413974A (xx) 1965-06-04
FR1388796A (fr) 1965-02-12
LU47491A1 (xx) 1965-03-16
GB1075017A (en) 1967-07-12
CH417700A (fr) 1966-07-31
NL149655B (nl) 1976-05-17
JPS4921444B1 (xx) 1974-06-01
DK133569C (xx) 1976-12-06
ES306650A1 (es) 1965-04-16
BE656365A (xx) 1965-03-16
AT248510B (de) 1966-08-10
US3348168A (en) 1967-10-17

Similar Documents

Publication Publication Date Title
SE7705875L (sv) Flerkanalsystem
NL179962B (nl) Amplitude/frequentieomzetter.
CH358127A (de) Trägerwellen-Frequenzumsetzer
DK133569B (da) FM/AM-omsætter til omsætning af en frekvensmoduleret bølge til en amplitudemoduleret bølge med undertrykt bærefrekvens.
AT306109B (de) Demodulator fuer durch frequenzumtastung modulierte binaersignale
DK140239B (da) Frekvensmoduleret oscillator.
FR88081E (fr) Perfectionnements aux récepteurs d'ondes radioélectriques modulées en fréquence
ES259754A1 (es) Un circuito convertidor de frecuencia
DK114914B (da) Kobling for frekvensmodulerede signaler.
CH422862A (de) Empfangsvorrichtung für auf eine Trägerwellenschwingung durch Phasensprungmodulation aufmodulierte Impulse
FR1403407A (fr) Perfectionnements aux convertisseurs modulés en fréquence
OA00102A (fr) Perfectionnements aux oscillateurs modulés en fréquence.
AU294175B2 (en) Converter circuit for generating an amplitude modulated high frequency oscillation with high efficiency
FR1415162A (fr) Oscillateur à modulation de fréquence
AU6577665A (en) Converter circuit for generating an amplitude modulated high frequency oscillation with high efficiency
FR1369397A (fr) Perfectionnements aux radioaltimètres à modulation de fréquence
DK112886B (da) Anlæg til frembringelse af bærefrekvenser for et 12-kanal bærefrekvensanlæg.
AU289813B2 (en) Rectifier circuit for demodulating amplitude modulated oscillations
ES417970A1 (es) Sistema para conversion de frecuencia y demodulacion de unasenal de modulacion de amplitud.
FR1413552A (fr) Oscillateur modulé en fréquence
FR1357051A (fr) Perfectionnements aux dispositifs de transmission en modulation de fréquence
AU5832765A (en) Rectifier circuit for demodulating amplitude modulated oscillations
DK117433B (da) Signalgenerator til frembringelse af frekvensmodulerede svingninger.
FR1436659A (fr) Perfectionnements aux oscillateurs modulés en fréquence
CH489158A (de) Schaltungsanordnung zum Erzeugen einer modulierten Trägerschwingung