DK249785A - Frekvensdemodulator, navnlig til anvendelse i en fjernsynsmodtager - Google Patents

Frekvensdemodulator, navnlig til anvendelse i en fjernsynsmodtager Download PDF

Info

Publication number
DK249785A
DK249785A DK249785A DK249785A DK249785A DK 249785 A DK249785 A DK 249785A DK 249785 A DK249785 A DK 249785A DK 249785 A DK249785 A DK 249785A DK 249785 A DK249785 A DK 249785A
Authority
DK
Denmark
Prior art keywords
analog
digital
signals
width
noise ratio
Prior art date
Application number
DK249785A
Other languages
English (en)
Other versions
DK249785D0 (da
DK166188C (da
DK166188B (da
Inventor
Jacques Veillard
Original Assignee
France Etat
Telediffusion Fse
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 France Etat, Telediffusion Fse filed Critical France Etat
Publication of DK249785D0 publication Critical patent/DK249785D0/da
Publication of DK249785A publication Critical patent/DK249785A/da
Publication of DK166188B publication Critical patent/DK166188B/da
Application granted granted Critical
Publication of DK166188C publication Critical patent/DK166188C/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/08—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using sequential signals only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455—Demodulation-circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/04—Systems for the transmission of one television signal, i.e. both picture and sound, by a single carrier
    • H04N7/045—Systems for the transmission of one television signal, i.e. both picture and sound, by a single carrier the carrier being frequency modulated

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Television Systems (AREA)
  • Noise Elimination (AREA)
  • Burglar Alarm Systems (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Television Receiver Circuits (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Selective Calling Equipment (AREA)
  • Inorganic Insulating Materials (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Optical Head (AREA)
DK249785A 1984-06-04 1985-06-03 Fjernsynsmodtager og frekvensdemodulator DK166188C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8408727A FR2565445B1 (fr) 1984-06-04 1984-06-04 Demodulateur de frequence et recepteur d'emission de television a multiplexage temporel en comportant application
FR8408727 1984-06-04

Publications (4)

Publication Number Publication Date
DK249785D0 DK249785D0 (da) 1985-06-03
DK249785A true DK249785A (da) 1985-12-05
DK166188B DK166188B (da) 1993-03-15
DK166188C DK166188C (da) 1993-08-09

Family

ID=9304674

Family Applications (1)

Application Number Title Priority Date Filing Date
DK249785A DK166188C (da) 1984-06-04 1985-06-03 Fjernsynsmodtager og frekvensdemodulator

Country Status (11)

Country Link
US (1) US4713689A (da)
EP (1) EP0169093B1 (da)
JP (1) JPS612459A (da)
AT (1) ATE46992T1 (da)
CA (1) CA1278857C (da)
DE (1) DE3573500D1 (da)
DK (1) DK166188C (da)
ES (1) ES8609858A1 (da)
FR (1) FR2565445B1 (da)
NO (1) NO167429C (da)
PT (1) PT80586B (da)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3605048A1 (de) * 1986-02-18 1987-09-03 Ant Nachrichtentech Verfahren zum demodulieren von fm-modulierten signalen, deren eingenommene hf-bandbreiten sich periodisch, entsprechend dem modulierenden basisband-zeitmultiplexsignal aendern, sowie anordnungen zum durchfuehren
NL8800849A (nl) * 1988-04-05 1989-11-01 Philips Nv Ontvanger, alsmede demodulatieschakeling geschikt voor de ontvanger.
FR2649273B1 (fr) * 1989-06-30 1991-09-13 Portenseigne Radiotechnique Dispositif d'egalisation autoadaptative pour des echantillons numeriques codes en duobinaire
JP2900594B2 (ja) * 1990-11-21 1999-06-02 日本鋼管株式会社 水平連続鋳造の引抜き制御方法
GB9028098D0 (en) * 1990-12-27 1991-02-13 Ferguson Ltd Television receiver
EP1013090A4 (en) * 1997-07-17 2002-09-04 Wavo Corp METHOD AND SYSTEM FOR SENDING AND DECODING DATA IN A SIGNAL
JP3930180B2 (ja) * 1999-01-21 2007-06-13 富士通株式会社 デジタル信号復調回路及び方法
US7203457B1 (en) 1999-07-19 2007-04-10 Thomson Licensing Tuning system for achieving rapid signal acquisition for a digital satellite receiver
US6191725B1 (en) * 1999-08-30 2001-02-20 Her Majesty The Queen In Right Of Canada, As Represented By Minister Of National Defence Of Her Majesty's Canadian Government Automatic gain control for digital radar intercept receivers
FR2816780B1 (fr) * 2000-11-10 2003-01-31 Thomson Csf Procede et systeme de transmission par cryptographie quantique
FR2816779B1 (fr) * 2000-11-10 2003-03-07 Thomson Csf Procede et systeme de transmission par cryptographie quantique
WO2018109603A1 (en) * 2016-12-13 2018-06-21 Amimon Ltd. Analog signal transmission with multiple antennas

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984624A (en) * 1974-07-25 1976-10-05 Weston Instruments, Inc. Video system for conveying digital and analog information
FR2312881A1 (fr) * 1975-05-29 1976-12-24 Goff Jeannine Le Demodulateurs differentiels a dispositifs a ondes elastiques de surface
US4045740A (en) * 1975-10-28 1977-08-30 The United States Of America As Represented By The Secretary Of The Army Method for optimizing the bandwidth of a radio receiver
US4339829A (en) * 1978-12-29 1982-07-13 Dimon Donald F Automatic tuning system for a narrow bandwidth communication
US4245353A (en) * 1979-01-17 1981-01-13 Rockwell International Corporation Amplitude tilt correction apparatus
US4300161A (en) * 1980-03-03 1981-11-10 Bell Telephone Laboratories, Incorporated Time compression multiplexing of video signals
FR2481549A1 (fr) * 1980-04-25 1981-10-30 Thomson Brandt Dispositif de synthese et de demodulation combinees pour recepteurs d'ondes modulees en frequence et recepteur le comportant
US4435821A (en) * 1981-03-24 1984-03-06 Nippon Electric Co., Ltd. Receiver in a frequency hopping communication system
CA1190289A (en) * 1981-04-28 1985-07-09 Nippon Hoso Kyokai Fm signal demodulation system
JPS57184356A (en) * 1981-05-08 1982-11-13 Seiko Epson Corp Fsk demodulating circuit
MX151558A (es) * 1981-08-31 1984-12-13 Oki Electric Ind Co Ltd Mejoras a sistema de demodulacion de alta sensibilidad de senales de f.m. de television
US4527187A (en) * 1981-08-31 1985-07-02 Oki Electric Industry Co., Ltd. High sensitivity FM signal demodulation system
DE3137843A1 (de) * 1981-09-23 1983-03-31 Robert Bosch Gmbh, 7000 Stuttgart Filter- und demodulationsschaltung
JPS59122089A (ja) * 1982-12-28 1984-07-14 Pioneer Electronic Corp テレビジョン帯域補正装置

Also Published As

Publication number Publication date
DE3573500D1 (en) 1989-11-09
NO167429C (no) 1991-10-30
DK249785D0 (da) 1985-06-03
DK166188C (da) 1993-08-09
FR2565445A1 (fr) 1985-12-06
EP0169093B1 (fr) 1989-10-04
ES544470A0 (es) 1986-07-16
DK166188B (da) 1993-03-15
JPS612459A (ja) 1986-01-08
ES8609858A1 (es) 1986-07-16
US4713689A (en) 1987-12-15
PT80586B (pt) 1987-06-17
PT80586A (fr) 1985-07-01
ATE46992T1 (de) 1989-10-15
EP0169093A1 (fr) 1986-01-22
NO852196L (no) 1985-12-05
FR2565445B1 (fr) 1986-10-10
NO167429B (no) 1991-07-22
CA1278857C (en) 1991-01-08

Similar Documents

Publication Publication Date Title
US4134127A (en) Color television signal including auxiliary information
DK249785A (da) Frekvensdemodulator, navnlig til anvendelse i en fjernsynsmodtager
HU9402492D0 (en) Psk demodulator
GB1218015A (en) Improvements in or relating to systems for transmitting television signals
ATE38755T1 (de) System zur redundanzvermindernden digitalen uebertragung von fernsehbildsignalen.
EP0268340A3 (en) One channel hdtv transmission system
SE8300803D0 (sv) Digitalmottagare
DE3173423D1 (en) Adaptive digital data receiving system with compensation of the amplitude and phase distortions introduced by the data transmission channel
CA2077269A1 (en) Time synchronization of a receiver in a digital radio telephone system
DE3173352D1 (en) Adaptive digital data receiving system with compensation of the amplitude and phase distortions introduced by the data transmission channel
EP0353883A3 (en) Digitization of video signals
JPS51114009A (en) Digital audio signal transmitter
GB1434796A (en) Telecommunication systems apapratus and method for the production of cast concrete members
EP0100169A3 (en) Time compression multiplex digital transmission system
GB1490595A (en) Recording apparatus coding circuit for an image signal and corresponding decoding circuit
EP0235587A3 (de) Schaltung zur Kompensation der durch ein Verwischungssignal hervorgerufenen Störungen in Satelliten-Fernsehempfängern
JPS5457905A (en) Delta modulation and demodulation system
JPS53140926A (en) Television receiver
GB1353017A (en) Data-transmission systems
FI67769C (fi) Foerfarande och anordning foer kodning av en televisionssignaloch foerfarande samt anordning foer tolkning av den kodad e elevisionssignalen
SU436455A1 (ru) Кодирующее устройство системы «секам»
JPS5427716A (en) Correcting method for error of facsimile communication
IT1257358B (it) Metodo e dispositivo di radiocomunicazione interrotta per segnali di tipo a raffica e segnale di trasmissione a raffica.
JPS52113125A (en) Color television repeater system
IT1036279B (it) Sistema di televisione a colori