JP2005524274A - アンテナ特性に適応するための電子的調整可能中心周波数を有するチューナ入力フィルタ - Google Patents

アンテナ特性に適応するための電子的調整可能中心周波数を有するチューナ入力フィルタ Download PDF

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Publication number
JP2005524274A
JP2005524274A JP2004500407A JP2004500407A JP2005524274A JP 2005524274 A JP2005524274 A JP 2005524274A JP 2004500407 A JP2004500407 A JP 2004500407A JP 2004500407 A JP2004500407 A JP 2004500407A JP 2005524274 A JP2005524274 A JP 2005524274A
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JP
Japan
Prior art keywords
signal
filter
channel
input filter
television
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Pending
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JP2004500407A
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English (en)
Japanese (ja)
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JP2005524274A5 (enExample
Inventor
ピューゲル，マイケル，アンソニー
ラマスワミー，クマール
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Thomson Licensing SAS
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Thomson Licensing SAS
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Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of JP2005524274A publication Critical patent/JP2005524274A/ja
Publication of JP2005524274A5 publication Critical patent/JP2005524274A5/ja
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • 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
    • H04N5/50—Tuning indicators; Automatic tuning control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0058—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means
    • H03J1/0066—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means with means for analysing the received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
    • H03J2200/28—Automatic self-alignment of a receiver
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/20—Continuous tuning of single resonant circuit by varying inductance only or capacitance 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
    • H04N5/52—Automatic gain control

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
JP2004500407A 2002-04-26 2003-04-25 アンテナ特性に適応するための電子的調整可能中心周波数を有するチューナ入力フィルタ Pending JP2005524274A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US37612702P 2002-04-26 2002-04-26
US37612802P 2002-04-26 2002-04-26
PCT/US2003/012925 WO2003092160A1 (en) 2002-04-26 2003-04-25 Tuner input filter with electronically adjustable response for adapting to antenna characteristic

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2009281719A Division JP4987951B2 (ja) 2002-04-26 2009-12-11 アンテナ特性に適応するための電子的調整可能中心周波数を有するチューナ入力フィルタ

Publications (2)

Publication Number Publication Date
JP2005524274A true JP2005524274A (ja) 2005-08-11
JP2005524274A5 JP2005524274A5 (enExample) 2006-06-15

Family

ID=29273049

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2004500407A Pending JP2005524274A (ja) 2002-04-26 2003-04-25 アンテナ特性に適応するための電子的調整可能中心周波数を有するチューナ入力フィルタ
JP2009281719A Expired - Lifetime JP4987951B2 (ja) 2002-04-26 2009-12-11 アンテナ特性に適応するための電子的調整可能中心周波数を有するチューナ入力フィルタ

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JP2009281719A Expired - Lifetime JP4987951B2 (ja) 2002-04-26 2009-12-11 アンテナ特性に適応するための電子的調整可能中心周波数を有するチューナ入力フィルタ

Country Status (9)

Country Link
US (2) US7668519B2 (enExample)
EP (1) EP1500193B1 (enExample)
JP (2) JP2005524274A (enExample)
KR (1) KR100997468B1 (enExample)
CN (1) CN100364229C (enExample)
AU (1) AU2003223743A1 (enExample)
DE (1) DE60323825D1 (enExample)
MX (1) MXPA04010620A (enExample)
WO (1) WO2003092160A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015181224A (ja) * 2014-02-07 2015-10-15 アップル インコーポレイテッド キャリアアグリゲーションシナリオ用の動的アンテナチューナ設定

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040104604A (ko) * 2002-04-26 2004-12-10 톰슨 라이센싱 소시에떼 아노님 안테나 특성에 적응하기 위해 전자적으로 조정가능한 중심주파수를 갖는 튜너 입력 필터
EP1500193B1 (en) * 2002-04-26 2008-10-01 Thomson Licensing Tuner input filter with electronically adjustable response for adapting to antenna characteristic
US6990324B2 (en) * 2004-04-15 2006-01-24 Flarion Technologies, Inc. Methods and apparatus for selecting between multiple carriers using a single receiver chain tuned to a single carrier
US7801257B2 (en) * 2005-09-28 2010-09-21 Genesis Microchip Inc Adaptive reception techniques for over-sampled receivers
US8063839B2 (en) * 2006-10-17 2011-11-22 Quantenna Communications, Inc. Tunable antenna system
US20080152049A1 (en) * 2006-12-08 2008-06-26 Texas Instruments Deutschland Gmbh Digital audio broadcast receiver
US20080158076A1 (en) * 2006-12-28 2008-07-03 Broadcom Corporation Dynamically adjustable narrow bandwidth antenna for wide band systems
US8457574B2 (en) * 2007-02-16 2013-06-04 Broadcom Corporation Front-end integrated circuit for television receivers
US8169551B2 (en) * 2007-12-07 2012-05-01 Himax Technologies Limited Method and apparatus for adjusting center frequency of filter
US8370890B2 (en) * 2008-07-18 2013-02-05 At&T Intellectual Property I, L.P. Methods and apparatus for frequency agile band-pass filtering of broadcast signals
CN102098065A (zh) * 2009-12-11 2011-06-15 无锡华润矽科微电子有限公司 一种带通滤波接收装置及其控制方法
DE202011110299U1 (de) * 2011-12-02 2013-08-27 Technisat Digital Gmbh TV-Empfangsteil mit Eingangsfiltermitteln zum Unterdrücken von Störleistung in einem Eingangskreis
US9019039B1 (en) 2012-03-07 2015-04-28 Space Systems/Loral, Llc Frequency and bandwidth tunable microwave filter
JP6451123B2 (ja) * 2014-07-22 2019-01-16 船井電機株式会社 高周波回路

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH04297136A (ja) * 1991-01-09 1992-10-21 Clarion Co Ltd アンテナ増幅器
JPH0974318A (ja) * 1995-03-31 1997-03-18 Ikeda Takeshi 受信機
JP2000151448A (ja) * 1998-11-10 2000-05-30 Harness Syst Tech Res Ltd 車載アンテナ装置
JP2001313580A (ja) * 2000-04-28 2001-11-09 New Japan Radio Co Ltd イメージ信号除去フィルタ

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US4584544A (en) * 1985-02-28 1986-04-22 Rca Corporation Bandswitched interstage coupling network including a high side coupled capacitor
JPS6046895B2 (ja) * 1978-08-04 1985-10-18 アルプス電気株式会社 電子同調チユ−ナ
DE3033994A1 (de) * 1980-09-10 1982-04-15 Koenig & Bauer Ag Verfahren und einrichtung zum einstellen von farbzonenbreiten farbdosierelementen von druckmaschinen
US4349840A (en) 1980-11-25 1982-09-14 Rca Corporation Apparatus for automatically steering an electrically steerable television antenna
US4404686A (en) * 1980-12-01 1983-09-13 Zenith Radio Corporation Four band VHF varactor tuner to cover extended CATV band utilizing two switching diodes per resonant circuit
DE3509517A1 (de) * 1985-03-16 1986-09-25 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung fuer einen tuner zur umschaltung zweier frequenzbaender
DE3512873A1 (de) * 1985-04-11 1986-10-30 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Abstimmsystem fuer fernsehgeraete
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US5101509A (en) * 1990-09-14 1992-03-31 Ford Motor Company Rf filter alignment using digital processor clock
GB2276786B (en) * 1993-03-22 1996-07-10 Motorola Gmbh A voltage controlled filter and a radio communications device comprising the same
JPH07131276A (ja) * 1993-10-29 1995-05-19 Toshiba Corp 可変フィルタ
KR0153730B1 (ko) * 1995-10-26 1998-12-15 김광호 전압동조튜닝방식의 채널선국방법
US5715531A (en) * 1995-11-20 1998-02-03 Nextlevel Systems (Taiwan), Ltd. Synchronous tracking filter circuit for a broadcast satellite tuner
JPH11205700A (ja) * 1998-01-12 1999-07-30 Alps Electric Co Ltd 複同調回路
US6111603A (en) 1998-10-02 2000-08-29 Sony Corporation Portable field tester for measuring signal reception of a digitally broadcast signal
FR2787262A1 (fr) 1998-12-14 2000-06-16 Cit Alcatel Systeme de transmission a fibre optique a filtre de reception de largeur variable
SE514174C2 (sv) * 1999-03-09 2001-01-15 Ericsson Telefon Ab L M Resonator med variabel resonansfrekvens
US6291924B1 (en) 1999-07-01 2001-09-18 Trw Inc. Adjustable saw device
JP2002009573A (ja) * 2000-06-26 2002-01-11 Mitsubishi Electric Corp チューナブルフィルタ
EP1500193B1 (en) * 2002-04-26 2008-10-01 Thomson Licensing Tuner input filter with electronically adjustable response for adapting to antenna characteristic
JP4297136B2 (ja) * 2006-06-07 2009-07-15 ソニー株式会社 記憶装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04297136A (ja) * 1991-01-09 1992-10-21 Clarion Co Ltd アンテナ増幅器
JPH0974318A (ja) * 1995-03-31 1997-03-18 Ikeda Takeshi 受信機
JP2000151448A (ja) * 1998-11-10 2000-05-30 Harness Syst Tech Res Ltd 車載アンテナ装置
JP2001313580A (ja) * 2000-04-28 2001-11-09 New Japan Radio Co Ltd イメージ信号除去フィルタ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015181224A (ja) * 2014-02-07 2015-10-15 アップル インコーポレイテッド キャリアアグリゲーションシナリオ用の動的アンテナチューナ設定

Also Published As

Publication number Publication date
KR100997468B1 (ko) 2010-12-01
US20050237389A1 (en) 2005-10-27
US7668519B2 (en) 2010-02-23
KR20040104605A (ko) 2004-12-10
EP1500193A1 (en) 2005-01-26
US7983638B2 (en) 2011-07-19
JP4987951B2 (ja) 2012-08-01
CN1663123A (zh) 2005-08-31
WO2003092160A1 (en) 2003-11-06
MXPA04010620A (es) 2004-12-13
DE60323825D1 (de) 2008-11-13
US20090310031A1 (en) 2009-12-17
AU2003223743A1 (en) 2003-11-10
EP1500193B1 (en) 2008-10-01
CN100364229C (zh) 2008-01-23
JP2010098747A (ja) 2010-04-30

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