KR960020416A - 신호검파장치 - Google Patents

신호검파장치 Download PDF

Info

Publication number
KR960020416A
KR960020416A KR1019950041553A KR19950041553A KR960020416A KR 960020416 A KR960020416 A KR 960020416A KR 1019950041553 A KR1019950041553 A KR 1019950041553A KR 19950041553 A KR19950041553 A KR 19950041553A KR 960020416 A KR960020416 A KR 960020416A
Authority
KR
South Korea
Prior art keywords
signal
filter
circuit
oscillator
trap
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
KR1019950041553A
Other languages
English (en)
Korean (ko)
Inventor
요시따까 나쯔메
Original Assignee
이데이 노브유끼
소니 가부시끼가이샤
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 이데이 노브유끼, 소니 가부시끼가이샤 filed Critical 이데이 노브유끼
Publication of KR960020416A publication Critical patent/KR960020416A/ko
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/2209—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders
    • H03D1/2236—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders using a phase locked loop
    • 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)
  • Power Engineering (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Receiver Circuits (AREA)
KR1019950041553A 1994-11-30 1995-11-15 신호검파장치 Ceased KR960020416A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6321238A JPH08163458A (ja) 1994-11-30 1994-11-30 映像検波装置
JP94-321238 1994-11-30

Publications (1)

Publication Number Publication Date
KR960020416A true KR960020416A (ko) 1996-06-17

Family

ID=18130359

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950041553A Ceased KR960020416A (ko) 1994-11-30 1995-11-15 신호검파장치

Country Status (5)

Country Link
US (1) US5644368A (enExample)
EP (1) EP0715457B1 (enExample)
JP (1) JPH08163458A (enExample)
KR (1) KR960020416A (enExample)
DE (1) DE69518134T2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6122482A (en) 1995-02-22 2000-09-19 Global Communications, Inc. Satellite broadcast receiving and distribution system
JP3344529B2 (ja) * 1995-06-14 2002-11-11 ローム株式会社 映像検波回路および映像信号処理装置
JP3944912B2 (ja) * 1996-04-04 2007-07-18 ソニー株式会社 テレビジョン受信装置
US6424817B1 (en) * 1998-02-04 2002-07-23 California Amplifier, Inc. Dual-polarity low-noise block downconverter systems and methods
EP0957635B1 (de) * 1998-05-15 2009-10-07 Nxp B.V. Filterschaltung
JP2002354358A (ja) * 2001-05-24 2002-12-06 Alps Electric Co Ltd テレビジョンチューナ
JP3929818B2 (ja) * 2002-04-24 2007-06-13 アルプス電気株式会社 テレビジョンチューナの中間周波回路

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2016155A1 (de) * 1970-04-04 1971-10-21 Imp Gmbh Schaltung zur Unterdrückung des Farbträgers und des Tonträgers in einem Fernsehempfänger
US3697685A (en) * 1970-04-13 1972-10-10 Motorola Inc Synchronous am detector
JPS5386116A (en) * 1977-01-07 1978-07-29 Hitachi Ltd Video synchronous detector
US4107730A (en) * 1977-03-02 1978-08-15 Zenith Radio Corporation Signal strength responsive sound trap
JPS5990471A (ja) * 1982-11-15 1984-05-24 Mitsubishi Electric Corp 信号処理回路
US4641179A (en) * 1984-12-21 1987-02-03 At&T Bell Laboratories Economical high-definition television using a modulated-signal combination
JPS6387271A (ja) * 1986-09-30 1988-04-18 Toshiba Corp 給紙装置
JP2552470B2 (ja) * 1987-01-20 1996-11-13 三洋電機株式会社 検波回路
KR880014813A (ko) * 1987-05-20 1988-12-24 이우에 사또시 Pll 영상 검파회로
US5177613A (en) * 1990-02-26 1993-01-05 Thomson Consumer Electronics, Inc. Quasi-parallel if with shared saw filter
US5337091A (en) * 1993-07-01 1994-08-09 Samsung Electronics Co., Ltd. Video IF amplifier with auxiliary IF amplifier for intercarrier sound & AFT

Also Published As

Publication number Publication date
US5644368A (en) 1997-07-01
JPH08163458A (ja) 1996-06-21
EP0715457A3 (enExample) 1996-07-10
EP0715457B1 (en) 2000-07-26
EP0715457A2 (en) 1996-06-05
DE69518134T2 (de) 2001-03-22
DE69518134D1 (de) 2000-08-31

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19951115

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20001102

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19951115

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20020730

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 20021220

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 20020730

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I