FI891560A0 - Mottagare och en foer denna mottagare laemplig demoduleringskrets. - Google Patents

Mottagare och en foer denna mottagare laemplig demoduleringskrets.

Info

Publication number: FI891560A0
Authority: FI; Finland
Prior art keywords: mottagare; demoduleringskrets; laemplig; och; denna
Prior art date: 1988-04-05

Application number

FI891560A

Other languages

English (en)

Other versions

FI89655B (fi

FI891560A (fi

FI89655C (fi

Inventor

Louis Peter Marie Schreuers

Original Assignee

Philips Nv

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.)

1988-04-05

Filing date

1989-03-31

Publication date

1989-03-31

1989-03-31 Application filed by Philips Nv filed Critical Philips Nv

1989-03-31 Publication of FI891560A0 publication Critical patent/FI891560A0/fi

1989-10-06 Publication of FI891560A publication Critical patent/FI891560A/fi

1993-07-15 Publication of FI89655B publication Critical patent/FI89655B/fi

1993-10-25 Application granted granted Critical

1993-10-25 Publication of FI89655C publication Critical patent/FI89655C/fi

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)

FI891560A 1988-04-05 1989-03-31 Mottagare och en foer den laemplig demodulator FI89655C (fi)

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 true FI891560A0 (fi)	1989-03-31
FI891560A 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)

* Cited by examiner, † Cited by third party
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
US5774194A (en) *	1993-06-03	1998-06-30	Deutsche Thomson-Brandt Gmbh	Terrestrial and satellite television reception tuner
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)

* Cited by examiner, † Cited by third party
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
US4531148A (en) *	1981-08-31	1985-07-23	Oki Electric Industry Co., Ltd.	High sensitivity FM signal demodulation system
JPS6250030B1 (fi) *	1981-08-31	1987-10-22	Oki Electric Ind Co Ltd
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 EP EP89200820A patent/EP0336506B1/en not_active Expired - Lifetime
- 1989-03-30 DE DE68913322T patent/DE68913322T2/de not_active Expired - Fee Related
- 1989-03-31 FI FI891560A patent/FI89655C/fi not_active IP Right Cessation
- 1989-04-03 KR KR1019890004337A patent/KR890016841A/ko active IP Right Grant
- 1989-04-03 CN CN89102132A patent/CN1036869A/zh active Pending
- 1989-04-03 JP JP1081650A patent/JPH01303968A/ja active Pending

Also Published As

Publication number	Publication date
US4939577A (en)	1990-07-03
FI89655B (fi)	1993-07-15
DE68913322D1 (de)	1994-04-07
FI891560A (fi)	1989-10-06
JPH01303968A (ja)	1989-12-07
EP0336506B1 (en)	1994-03-02
CN1036869A (zh)	1989-11-01
FI89655C (fi)	1993-10-25
KR890016841A (ko)	1989-11-30
EP0336506A1 (en)	1989-10-11
NL8800849A (nl)	1989-11-01
DE68913322T2 (de)	1994-09-01

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Legal Events

Date	Code	Title	Description
1993-06-16	BB	Publication of examined application
1995-04-06	TC	Name/ company changed in patent	Owner name: PHILIPS ELECTRONICS N.V.
1998-03-31	MM	Patent lapsed
2004-08-31	MM	Patent lapsed	Owner name: PHILIPS ELECTRONICS N.V.