DK249785A - Frekvensdemodulator, navnlig til anvendelse i en fjernsynsmodtager - Google Patents
Frekvensdemodulator, navnlig til anvendelse i en fjernsynsmodtager Download PDFInfo
- 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
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)
- Television Systems (AREA)
- Burglar Alarm Systems (AREA)
- Noise Elimination (AREA)
- Transmitters (AREA)
- Time-Division Multiplex Systems (AREA)
- Closed-Circuit Television Systems (AREA)
- Circuits Of Receivers In General (AREA)
- Selective Calling Equipment (AREA)
- Inorganic Insulating Materials (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Optical Head (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Television Receiver Circuits (AREA)
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)
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 |
WO1999021359A1 (en) * | 1997-07-17 | 1999-04-29 | Wavo Corporation | Method and system for transmitting 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)
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 |
AU538098B2 (en) * | 1981-08-31 | 1984-07-26 | Oki Electric Industry Co. Ltd. | High-sensitivity fm demodulating system |
MX151560A (es) * | 1981-08-31 | 1984-12-13 | Oki Electric Ind Co Ltd | Mejoras a sistema de demodulacion de alta sensibilidad para senales de f.m. de television |
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 |
-
1984
- 1984-06-04 FR FR8408727A patent/FR2565445B1/fr not_active Expired
-
1985
- 1985-05-31 NO NO852196A patent/NO167429C/no not_active IP Right Cessation
- 1985-05-31 US US06/739,719 patent/US4713689A/en not_active Expired - Lifetime
- 1985-06-03 DK DK249785A patent/DK166188C/da active
- 1985-06-04 ES ES544470A patent/ES8609858A1/es not_active Expired
- 1985-06-04 PT PT80586A patent/PT80586B/pt not_active IP Right Cessation
- 1985-06-04 CA CA000483116A patent/CA1278857C/en not_active Expired - Lifetime
- 1985-06-04 AT AT85401090T patent/ATE46992T1/de active
- 1985-06-04 JP JP60121376A patent/JPS612459A/ja active Pending
- 1985-06-04 EP EP85401090A patent/EP0169093B1/fr not_active Expired
- 1985-06-04 DE DE8585401090T patent/DE3573500D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0169093A1 (fr) | 1986-01-22 |
DE3573500D1 (en) | 1989-11-09 |
JPS612459A (ja) | 1986-01-08 |
DK249785D0 (da) | 1985-06-03 |
ES8609858A1 (es) | 1986-07-16 |
ES544470A0 (es) | 1986-07-16 |
DK166188B (da) | 1993-03-15 |
DK166188C (da) | 1993-08-09 |
FR2565445A1 (fr) | 1985-12-06 |
PT80586A (fr) | 1985-07-01 |
PT80586B (pt) | 1987-06-17 |
CA1278857C (en) | 1991-01-08 |
NO167429C (no) | 1991-10-30 |
EP0169093B1 (fr) | 1989-10-04 |
FR2565445B1 (fr) | 1986-10-10 |
NO167429B (no) | 1991-07-22 |
ATE46992T1 (de) | 1989-10-15 |
US4713689A (en) | 1987-12-15 |
NO852196L (no) | 1985-12-05 |
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