FI891560A - Mottagare och en foer denna mottagare laemplig demoduleringskrets. - Google Patents
Mottagare och en foer denna mottagare laemplig demoduleringskrets. Download PDFInfo
- Publication number
- FI891560A FI891560A FI891560A FI891560A FI891560A FI 891560 A FI891560 A FI 891560A FI 891560 A FI891560 A FI 891560A FI 891560 A FI891560 A FI 891560A FI 891560 A FI891560 A FI 891560A
- Authority
- FI
- Finland
- Prior art keywords
- mottagare
- demoduleringskrets
- laemplig
- och
- denna
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
- H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Noise Elimination (AREA)
- Television Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8800849A NL8800849A (nl) | 1988-04-05 | 1988-04-05 | Ontvanger, alsmede demodulatieschakeling geschikt voor de ontvanger. |
NL8800849 | 1988-04-05 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI891560A0 FI891560A0 (fi) | 1989-03-31 |
FI891560A true FI891560A (fi) | 1989-10-06 |
FI89655B FI89655B (fi) | 1993-07-15 |
FI89655C FI89655C (fi) | 1993-10-25 |
Family
ID=19852055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI891560A FI89655C (fi) | 1988-04-05 | 1989-03-31 | Mottagare och en foer den laemplig demodulator |
Country Status (8)
Country | Link |
---|---|
US (1) | US4939577A (fi) |
EP (1) | EP0336506B1 (fi) |
JP (1) | JPH01303968A (fi) |
KR (1) | KR890016841A (fi) |
CN (1) | CN1036869A (fi) |
DE (1) | DE68913322T2 (fi) |
FI (1) | FI89655C (fi) |
NL (1) | NL8800849A (fi) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5101272A (en) * | 1988-05-25 | 1992-03-31 | Picker International, Inc. | Dual bandwidth/gain video preamplifier |
JPH02137595A (ja) * | 1988-11-18 | 1990-05-25 | Sony Corp | ドロップアウトの検出回路 |
GB2250395A (en) * | 1990-11-27 | 1992-06-03 | Ferguson Ltd | Reducing visibility of impulsive interference in television satellite recievers |
DE59402086D1 (de) * | 1993-06-03 | 1997-04-17 | Thomson Brandt Gmbh | Fernsehtuner für terrestrischen empfang und satellitenempfang |
JPH07177393A (ja) * | 1993-12-21 | 1995-07-14 | Matsushita Electric Ind Co Ltd | 雑音除去装置 |
DE10320498B4 (de) * | 2003-05-08 | 2006-06-01 | Loewe Opta Gmbh | Verfahren und Schaltungsanordnung zur Optimierung des Bildeindrucks eines Fernsehbildes |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4322746A (en) * | 1978-10-06 | 1982-03-30 | Hitachi, Ltd. | Crosstalk attenuator system |
US4327432A (en) * | 1980-11-07 | 1982-04-27 | Rca Corporation | Video disc player with RFI reduction 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 |
FR2565445B1 (fr) * | 1984-06-04 | 1986-10-10 | France Etat | Demodulateur de frequence et recepteur d'emission de television a multiplexage temporel en comportant application |
JPS61257081A (ja) * | 1985-05-10 | 1986-11-14 | Matsushita Electric Ind Co Ltd | 雑音除去回路 |
JPH07105929B2 (ja) * | 1986-11-11 | 1995-11-13 | 松下電器産業株式会社 | 映像信号処理装置 |
US4831435A (en) * | 1986-11-29 | 1989-05-16 | Samsung Electronics Co., Ltd. | Adaptive scanning line converting circuit for a television receiver |
-
1988
- 1988-04-05 NL NL8800849A patent/NL8800849A/nl unknown
-
1989
- 1989-03-21 US US07/326,578 patent/US4939577A/en not_active Expired - Fee Related
- 1989-03-30 DE DE68913322T patent/DE68913322T2/de not_active Expired - Fee Related
- 1989-03-30 EP EP89200820A patent/EP0336506B1/en not_active Expired - Lifetime
- 1989-03-31 FI FI891560A patent/FI89655C/fi not_active IP Right Cessation
- 1989-04-03 JP JP1081650A patent/JPH01303968A/ja active Pending
- 1989-04-03 CN CN89102132A patent/CN1036869A/zh active Pending
- 1989-04-03 KR KR1019890004337A patent/KR890016841A/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP0336506B1 (en) | 1994-03-02 |
DE68913322D1 (de) | 1994-04-07 |
JPH01303968A (ja) | 1989-12-07 |
EP0336506A1 (en) | 1989-10-11 |
US4939577A (en) | 1990-07-03 |
FI89655B (fi) | 1993-07-15 |
FI891560A0 (fi) | 1989-03-31 |
CN1036869A (zh) | 1989-11-01 |
DE68913322T2 (de) | 1994-09-01 |
KR890016841A (ko) | 1989-11-30 |
FI89655C (fi) | 1993-10-25 |
NL8800849A (nl) | 1989-11-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application | ||
TC | Name/ company changed in patent |
Owner name: PHILIPS ELECTRONICS N.V. |
|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: PHILIPS ELECTRONICS N.V. |