FR2918235B1 - Filtre canal, notamment pour un recepteur de television numerique. - Google Patents
Filtre canal, notamment pour un recepteur de television numerique.Info
- Publication number
- FR2918235B1 FR2918235B1 FR0756107A FR0756107A FR2918235B1 FR 2918235 B1 FR2918235 B1 FR 2918235B1 FR 0756107 A FR0756107 A FR 0756107A FR 0756107 A FR0756107 A FR 0756107A FR 2918235 B1 FR2918235 B1 FR 2918235B1
- Authority
- FR
- France
- Prior art keywords
- television receiver
- digital television
- channel filter
- filter
- channel
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H5/00—One-port networks comprising only passive electrical elements as network components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03114—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals
- H04L25/03133—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals with a non-recursive structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Superheterodyne Receivers (AREA)
- Circuits Of Receivers In General (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0756107A FR2918235B1 (fr) | 2007-06-28 | 2007-06-28 | Filtre canal, notamment pour un recepteur de television numerique. |
EP08774264.9A EP2171843B1 (fr) | 2007-06-28 | 2008-06-24 | Filtre de canal spécialement conçu pour un récepteur de télévision numérique |
JP2010513894A JP5452482B2 (ja) | 2007-06-28 | 2008-06-24 | 特にデジタル・テレビジョン受信機用のチャネル・フィルタ |
PCT/EP2008/058040 WO2009000841A1 (fr) | 2007-06-28 | 2008-06-24 | Filtre de canal spécialement conçu pour un récepteur de télévision numérique |
KR1020097027121A KR101517637B1 (ko) | 2007-06-28 | 2008-06-24 | 특히 디지털 텔레비전 수신기를 위한 채널 필터 |
US12/452,311 US8390745B2 (en) | 2007-06-28 | 2008-06-24 | Channel filter, in particular for a digital television receiver |
CN2008800223869A CN101689842B (zh) | 2007-06-28 | 2008-06-24 | 信道滤波器,具体地用于数字电视接收机的信道滤波器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0756107A FR2918235B1 (fr) | 2007-06-28 | 2007-06-28 | Filtre canal, notamment pour un recepteur de television numerique. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2918235A1 FR2918235A1 (fr) | 2009-01-02 |
FR2918235B1 true FR2918235B1 (fr) | 2009-10-02 |
Family
ID=39047917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0756107A Expired - Fee Related FR2918235B1 (fr) | 2007-06-28 | 2007-06-28 | Filtre canal, notamment pour un recepteur de television numerique. |
Country Status (7)
Country | Link |
---|---|
US (1) | US8390745B2 (fr) |
EP (1) | EP2171843B1 (fr) |
JP (1) | JP5452482B2 (fr) |
KR (1) | KR101517637B1 (fr) |
CN (1) | CN101689842B (fr) |
FR (1) | FR2918235B1 (fr) |
WO (1) | WO2009000841A1 (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2932619A4 (fr) | 2012-12-11 | 2016-08-03 | Univ Southern California | Réseaux passifs de suppression de fuites pour des duplexeurs et systèmes de communication sans fil coexistants |
WO2015089091A1 (fr) | 2013-12-10 | 2015-06-18 | University Of Southern California | Amélioration de l'isolation et de l'adaptation d'impédance dans des réseaux de suppression hybrides et des duplexeurs |
WO2015123668A1 (fr) | 2014-02-14 | 2015-08-20 | University Of Southern California | Annulation à base d'hybrides en présence d'une désadaptation d'antenne |
US9843302B2 (en) | 2014-02-14 | 2017-12-12 | University Of Southern California | Reflection and hybrid reflection filters |
US9871543B2 (en) * | 2014-02-19 | 2018-01-16 | University Of Southern California | Miniature acoustic resonator-based filters and duplexers with cancellation methodology |
US9866201B2 (en) | 2015-09-08 | 2018-01-09 | Abtum Inc. | All-acoustic duplexers using directional couplers |
US10581650B2 (en) | 2015-09-08 | 2020-03-03 | Qorvo Us, Inc. | Enhancing isolation in radio frequency multiplexers |
US9762416B2 (en) | 2015-09-08 | 2017-09-12 | Abtum Inc. | Reflection coefficient reader |
US9912326B2 (en) | 2015-09-08 | 2018-03-06 | Abtum Inc. | Method for tuning feed-forward canceller |
US9755668B2 (en) | 2015-09-30 | 2017-09-05 | Abtum Inc. | Radio frequency complex reflection coefficient reader |
US10038458B2 (en) | 2015-10-06 | 2018-07-31 | Abtum Inc. | Reflection-based radio-frequency multiplexers |
CN108352915B (zh) | 2015-10-12 | 2020-06-30 | Qorvo美国公司 | 基于混合耦合器的射频多路复用器 |
CN210201797U (zh) | 2016-09-21 | 2020-03-27 | Qorvo美国公司 | 射频双工器和具有增强隔离的可调谐射频双工器 |
US10097153B1 (en) | 2017-03-10 | 2018-10-09 | The United States Of America As Represented By Secretary Of The Navy | Bridge-T reflectionless bandstop filter |
US10522889B2 (en) | 2018-04-09 | 2019-12-31 | United States Of America As Represented By Secretary Of The Navy | Tunable passive enhance Q microwave notch filter |
CN112134583B (zh) * | 2020-09-15 | 2021-06-22 | 上海鸿晔电子科技股份有限公司 | 一种跳频多工器和接收机 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3600711A (en) * | 1969-08-13 | 1971-08-17 | Varian Associates | Coaxial filter having harmonic reflective and absorptive means |
US3611214A (en) * | 1969-08-18 | 1971-10-05 | Varian Associates | Waveguide reflective harmonic filter |
US3611711A (en) | 1969-11-06 | 1971-10-12 | Trw Inc | Turbocharger control |
US3755761A (en) * | 1971-12-30 | 1973-08-28 | Texas Instruments Inc | Surface wave transversal frequency filter |
US4207547A (en) * | 1978-11-01 | 1980-06-10 | The United States Of America As Represented By The Secretary Of The Air Force | Reflection mode notch filter |
JPH0677378U (ja) * | 1993-03-31 | 1994-10-28 | 株式会社東芝 | 衛星放送受信装置 |
JPH07303019A (ja) * | 1994-05-10 | 1995-11-14 | Sony Corp | バンドパスフィルタ及び復調回路 |
IT1272846B (it) * | 1994-11-25 | 1997-06-30 | Pirelli Cavi Spa | "sistema e metodo di telecomunicazione a multiplazione di lunghezza d'onda, con separazione controllata dei canali in uscita e per la determinazione del rapporto segnale/rumore ottico" |
US5933770A (en) * | 1995-11-27 | 1999-08-03 | Lucent Technologies Inc. | Low distortion tuner-receiver with bridge-type diplexer |
US6448872B2 (en) * | 1996-03-23 | 2002-09-10 | Filtronic Plc | Reflection-mode filter and method with a constant loss off-set |
US6212172B1 (en) * | 1998-05-08 | 2001-04-03 | Omnipoint Corporation | Filtering method to allow FDD and TDD operation in PCS transreceivers |
GB9818400D0 (en) * | 1998-08-25 | 1998-10-21 | Philips Electronics Nv | Low if reciever |
US6445735B1 (en) * | 1999-02-08 | 2002-09-03 | Visteon Global Technologies, Inc. | Switched bandwidth digital filters with reduced transients during switching |
IL129031A (en) * | 1999-03-17 | 2003-02-12 | Handelman Doron | Network control system for optical communication networks |
US6483618B2 (en) * | 1999-11-30 | 2002-11-19 | Corning Incorporated | Narrow band wavelength division demultiplexer and method of demultiplexing optical signals |
US6684065B2 (en) * | 1999-12-20 | 2004-01-27 | Broadcom Corporation | Variable gain amplifier for low voltage applications |
US6933986B2 (en) * | 2000-04-07 | 2005-08-23 | Harris Corporation | Sharply tuned bandpass filter |
US6847662B2 (en) * | 2002-03-25 | 2005-01-25 | Fujitsu Limited | Wavelength-selectable laser capable of high-speed frequency control |
US7035484B2 (en) * | 2002-04-12 | 2006-04-25 | Xtellus, Inc. | Tunable optical filter |
JP2005159668A (ja) | 2003-11-25 | 2005-06-16 | Nippon Hoso Kyokai <Nhk> | チャンネル専用受信増幅器及びcatvシステム |
US7257142B2 (en) * | 2004-03-29 | 2007-08-14 | Intel Corporation | Semi-integrated designs for external cavity tunable lasers |
US7323955B2 (en) * | 2005-06-06 | 2008-01-29 | The United States Of America As Represented By The Secretary Of The Navy | Narrow-band absorptive bandstop filter with multiple signal paths |
WO2007066426A1 (fr) | 2005-12-08 | 2007-06-14 | Mitsubishi Electric Corporation | Filtre passe-bande |
US8013690B2 (en) * | 2008-05-22 | 2011-09-06 | TeraSys Technologies LLC | Electronically tunable, absorptive, low-loss notch filter |
US8306103B2 (en) * | 2009-12-07 | 2012-11-06 | Csr Technology Inc. | Systems and methods providing in-phase and quadrature equalization |
-
2007
- 2007-06-28 FR FR0756107A patent/FR2918235B1/fr not_active Expired - Fee Related
-
2008
- 2008-06-24 JP JP2010513894A patent/JP5452482B2/ja not_active Expired - Fee Related
- 2008-06-24 EP EP08774264.9A patent/EP2171843B1/fr not_active Not-in-force
- 2008-06-24 WO PCT/EP2008/058040 patent/WO2009000841A1/fr active Application Filing
- 2008-06-24 CN CN2008800223869A patent/CN101689842B/zh not_active Expired - Fee Related
- 2008-06-24 US US12/452,311 patent/US8390745B2/en not_active Expired - Fee Related
- 2008-06-24 KR KR1020097027121A patent/KR101517637B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN101689842B (zh) | 2012-12-12 |
US8390745B2 (en) | 2013-03-05 |
EP2171843A1 (fr) | 2010-04-07 |
JP5452482B2 (ja) | 2014-03-26 |
FR2918235A1 (fr) | 2009-01-02 |
JP2010531598A (ja) | 2010-09-24 |
CN101689842A (zh) | 2010-03-31 |
US20100134700A1 (en) | 2010-06-03 |
KR20100037050A (ko) | 2010-04-08 |
WO2009000841A1 (fr) | 2008-12-31 |
EP2171843B1 (fr) | 2014-11-12 |
KR101517637B1 (ko) | 2015-05-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20100226 |