BRPI0821886A8 - receptor de radiodifusão - Google Patents

receptor de radiodifusão

Info

Publication number
BRPI0821886A8
BRPI0821886A8 BRPI0821886A BRPI0821886A BRPI0821886A8 BR PI0821886 A8 BRPI0821886 A8 BR PI0821886A8 BR PI0821886 A BRPI0821886 A BR PI0821886A BR PI0821886 A BRPI0821886 A BR PI0821886A BR PI0821886 A8 BRPI0821886 A8 BR PI0821886A8
Authority
BR
Brazil
Prior art keywords
broadcast receiver
broadcast
receiver
Prior art date
Application number
BRPI0821886A
Other languages
English (en)
Inventor
Uchida Miki
Original Assignee
Sharp Kk
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 Sharp Kk filed Critical Sharp Kk
Publication of BRPI0821886A2 publication Critical patent/BRPI0821886A2/pt
Publication of BRPI0821886A8 publication Critical patent/BRPI0821886A8/pt

Links

Classifications

    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • 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
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
    • 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
    • H04B1/16—Circuits
    • H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
BRPI0821886A 2008-01-22 2008-12-24 receptor de radiodifusão BRPI0821886A8 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008011919A JP4514801B2 (ja) 2008-01-22 2008-01-22 放送受信装置
PCT/JP2008/073382 WO2009093402A1 (ja) 2008-01-22 2008-12-24 放送受信装置

Publications (2)

Publication Number Publication Date
BRPI0821886A2 BRPI0821886A2 (pt) 2015-06-16
BRPI0821886A8 true BRPI0821886A8 (pt) 2018-10-30

Family

ID=40900916

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0821886A BRPI0821886A8 (pt) 2008-01-22 2008-12-24 receptor de radiodifusão

Country Status (8)

Country Link
US (1) US8619196B2 (pt)
EP (1) EP2246988B1 (pt)
JP (1) JP4514801B2 (pt)
CN (1) CN101919168B (pt)
BR (1) BRPI0821886A8 (pt)
MX (1) MX2010007762A (pt)
RU (1) RU2461965C2 (pt)
WO (1) WO2009093402A1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101469639B1 (ko) * 2008-06-26 2014-12-08 엘지이노텍 주식회사 튜너의 채널 최적의 프리퀀시 교정 방법
JP4996643B2 (ja) * 2009-03-27 2012-08-08 シャープ株式会社 放送受信装置
JP4818439B2 (ja) * 2010-01-15 2011-11-16 株式会社東芝 電子機器および受信チャンネルのプリセット方法
JP5554146B2 (ja) * 2010-05-21 2014-07-23 三菱電機株式会社 放送受信装置
US8885106B2 (en) * 2013-03-13 2014-11-11 Silicon Laboratories Inc. Multi-tuner using interpolative dividers
US8928820B2 (en) 2013-03-13 2015-01-06 Silcon Laboratories Inc. Television tuner to capture a cable spectrum
US11362798B2 (en) * 2018-09-07 2022-06-14 Wilson Electronics, Llc Channelization options for reducing network sensitivity

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0354443Y2 (pt) * 1987-09-30 1991-12-02
JPH04326819A (ja) * 1991-04-26 1992-11-16 Sanyo Electric Co Ltd ラジオ受信機
KR0160687B1 (ko) * 1994-04-29 1999-01-15 김광호 저잡음 증폭기를 갖는 영상신호 수신상치
US5907369A (en) * 1996-09-10 1999-05-25 Thomson Consumer Electronics, Inc. Television system for displaying main and auxiliary images with color error correction provisions
US6243430B1 (en) * 1998-01-09 2001-06-05 Qualcomm Incorporated Noise cancellation circuit in a quadrature downconverter
WO2000028664A2 (en) * 1998-11-12 2000-05-18 Broadcom Corporation Fully integrated tuner architecture
JP2001320286A (ja) * 2000-05-02 2001-11-16 Sharp Corp 低速周波数ホッピング無線装置の電力制御方法
JP2002050976A (ja) * 2000-08-07 2002-02-15 Sony Corp アンテナユニットおよび受信機
US7710503B2 (en) * 2000-09-25 2010-05-04 Thomson Licensing Apparatus and method for optimizing the level of RF signals based upon the information stored on a memory
US20040036772A1 (en) * 2001-09-25 2004-02-26 Pugel Michael Anthony Method for optimizing the level of rf signals by comparing quality of the rf signals under different operation modes
US7327954B2 (en) * 2002-05-31 2008-02-05 Fujitsu Limited Optical signaling to share active channel information
AU2003297715A1 (en) * 2002-12-06 2004-06-30 Thomson Licensing S.A. Tuner power dissipation reduction in a standby mode
CA2488991A1 (en) * 2003-02-06 2004-08-19 Matsushita Electric Industrial Co., Ltd. Antenna switching device and method thereof
JP4133599B2 (ja) 2003-06-04 2008-08-13 三菱電機株式会社 受信システム
US7701515B2 (en) * 2004-02-13 2010-04-20 Broadcom Corporation Multi-input multi-output tuner front ends
US7502587B2 (en) * 2004-05-28 2009-03-10 Echostar Technologies Corporation Method and device for band translation
RU43423U1 (ru) * 2004-10-12 2005-01-10 Общество с ограниченной ответственностью "ТЕЛЛУР" Усилитель высокой частоты с автоматической регулировкой усиления
ATE486459T1 (de) * 2004-12-09 2010-11-15 Harman Becker Automotive Sys Mobiler hochfrequenzempfänger mit qualitätsabhängiger eingangssteuerung
JP2007068143A (ja) * 2005-08-05 2007-03-15 Matsushita Electric Ind Co Ltd アンテナ整合器とこれを用いた高周波受信装置
JP2008010914A (ja) * 2006-06-27 2008-01-17 Matsushita Electric Ind Co Ltd 無線通信装置
JP4760701B2 (ja) * 2006-12-26 2011-08-31 ソニー株式会社 フロントエンド集積回路
US8902365B2 (en) * 2007-03-14 2014-12-02 Lance Greggain Interference avoidance in a television receiver
US8502920B2 (en) * 2007-03-14 2013-08-06 Vyacheslav Shyshkin Method and apparatus for extracting a desired television signal from a wideband IF input

Also Published As

Publication number Publication date
BRPI0821886A2 (pt) 2015-06-16
EP2246988B1 (en) 2018-10-17
RU2461965C2 (ru) 2012-09-20
CN101919168A (zh) 2010-12-15
MX2010007762A (es) 2010-08-11
EP2246988A4 (en) 2017-11-15
JP4514801B2 (ja) 2010-07-28
EP2246988A1 (en) 2010-11-03
JP2009177351A (ja) 2009-08-06
US20100289967A1 (en) 2010-11-18
WO2009093402A1 (ja) 2009-07-30
CN101919168B (zh) 2014-08-27
RU2010134905A (ru) 2012-02-27
US8619196B2 (en) 2013-12-31

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04B 1/16 , H04N 5/44

Ipc: H04B 1/10 (1968.09), H04B 1/18 (1968.09), H04N 5/5

B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements