HK1130141A1 - Video device and method of operation of a video display device - Google Patents

Video device and method of operation of a video display device

Info

Publication number
HK1130141A1
HK1130141A1 HK09109963.5A HK09109963A HK1130141A1 HK 1130141 A1 HK1130141 A1 HK 1130141A1 HK 09109963 A HK09109963 A HK 09109963A HK 1130141 A1 HK1130141 A1 HK 1130141A1
Authority
HK
Hong Kong
Prior art keywords
video
analog video
display device
video display
carrier frequency
Prior art date
Application number
HK09109963.5A
Other languages
English (en)
Inventor
Weijie Yun
Samuel Sheng
Dennis Yee
Original Assignee
Telegent Systems Inc
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 Telegent Systems Inc filed Critical Telegent Systems Inc
Publication of HK1130141A1 publication Critical patent/HK1130141A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H03D3/008—Compensating DC offsets
    • 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
    • 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
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H04L27/063—Superheterodyne receivers
    • 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
    • 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
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0047—Offset of DC voltage or frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
  • Noise Elimination (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Burglar Alarm Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
HK09109963.5A 2004-04-30 2009-10-28 Video device and method of operation of a video display device HK1130141A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US56719104P 2004-04-30 2004-04-30
US61228204P 2004-09-21 2004-09-21
US61210804P 2004-09-21 2004-09-21
US62319304P 2004-10-29 2004-10-29
US63446804P 2004-12-09 2004-12-09

Publications (1)

Publication Number Publication Date
HK1130141A1 true HK1130141A1 (en) 2009-12-18

Family

ID=34968801

Family Applications (1)

Application Number Title Priority Date Filing Date
HK09109963.5A HK1130141A1 (en) 2004-04-30 2009-10-28 Video device and method of operation of a video display device

Country Status (9)

Country Link
US (8) US7542100B2 (fr)
EP (2) EP1751848B1 (fr)
KR (1) KR101039451B1 (fr)
CN (2) CN1973431B (fr)
AT (1) ATE441969T1 (fr)
DE (1) DE602005016398D1 (fr)
ES (1) ES2330454T3 (fr)
HK (1) HK1130141A1 (fr)
WO (1) WO2005109625A2 (fr)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1751848B1 (fr) 2004-04-30 2009-09-02 Telegent Systems, Inc. Recepteur video analogique integre
US7508451B2 (en) * 2004-04-30 2009-03-24 Telegent Systems, Inc. Phase-noise mitigation in an integrated analog video receiver
US20060044468A1 (en) * 2004-08-25 2006-03-02 Cirrus Logic, Inc. Single-chip analog to digital video decoder with on-chip vertical blanking interval data slicing during low-power operations
US7394500B2 (en) * 2004-09-13 2008-07-01 Ati Technologies Inc. World wide analog television signal receiver
KR100714568B1 (ko) * 2005-06-22 2007-05-07 삼성전기주식회사 Ｄｍｂ 지상파 방송 수신기
EP1946449B1 (fr) * 2005-09-12 2011-03-30 Freescale Semiconductor, Inc. Gestion de la consommation lors du traitement du signal dans des recepteurs
US7787059B2 (en) * 2006-05-18 2010-08-31 Samsung Electronics Co., Ltd. Digital television receiver
US7672657B2 (en) * 2006-06-28 2010-03-02 Intel Corporation Tunable filter apparatus, systems, and methods
WO2008009368A1 (fr) * 2006-07-21 2008-01-24 Sony Service Centre (Europe) N.V. Système et procédé de priorisation de tâches
US20080049875A1 (en) * 2006-08-25 2008-02-28 Nick Cowley Integrated tuner apparatus, systems, and methods
US7804435B2 (en) * 2006-08-31 2010-09-28 Ati Technologies Ulc Video decoder with reduced power consumption and method thereof
KR20080060042A (ko) * 2006-12-26 2008-07-01 삼성전자주식회사 영상재생장치 및 그 화질개선방법
EP1976285A1 (fr) * 2007-03-31 2008-10-01 Sony Deutschland Gmbh Démodulateur numérique et procédé pour la démodulation de signaux de télévision analogiques
US7822399B2 (en) 2007-05-11 2010-10-26 Telefonaktiebolaget Lm Ericsson (Publ) Image compensation for wireless receiver
US7986930B2 (en) * 2007-08-02 2011-07-26 Telefonaktiebolaget Lm Ericsson (Publ) IQ imbalance image suppression in presence of unknown phase shift
US7894555B2 (en) * 2007-08-02 2011-02-22 Telefonaktiebolaget Lm Ericsson (Publ) IQ imbalance image suppression
US7924946B2 (en) * 2007-09-12 2011-04-12 Fitipower Integrated Technology, Inc. Method for recovering a baseband signal from an RF signal
US8502924B2 (en) * 2007-11-05 2013-08-06 Mediatek Inc. Television signal receiver capable of cancelling linear and non-linear distortion
US8068804B2 (en) * 2008-12-29 2011-11-29 Intel Corporation Receiver local oscillator leakage compensation in the presence of an interferer
US8792590B2 (en) * 2009-02-25 2014-07-29 Harris Corporation Communications device with in-phase/quadrature (I/Q) DC offset, gain and phase imbalance compensation and related method
CN101820509A (zh) * 2009-02-26 2010-09-01 上海融创名睿微电子有限公司 移动电视接收机调谐器电路及其使用方法
US9282274B2 (en) * 2009-06-22 2016-03-08 Entropic Communications, Llc System and method for reducing intra-channel interference
US8379147B2 (en) * 2009-06-24 2013-02-19 Telegent Systems, Inc. Adaptive video processing circuitry and techniques
JP4830012B2 (ja) * 2009-09-01 2011-12-07 シャープ株式会社 フロントエンド回路、チューナおよびテレビ放送受信機
US8514761B2 (en) 2010-09-21 2013-08-20 Qualcomm Incorporated Method and apparatus for saving power in ATSC-M/H mobile devices
US8284307B1 (en) * 2010-11-01 2012-10-09 Marseille Networks, Inc. Method for processing digital video fields
GB2485620B (en) * 2010-12-16 2013-04-17 Wolfson Microelectronics Plc DC offset compensation
TW201240460A (en) * 2011-03-22 2012-10-01 Novatek Microelectronics Corp Slicer level calculator
CN104012006B (zh) * 2011-11-03 2015-09-09 华为技术有限公司 带25%占空度无源混频器的接收器中不对称宽通带频率响应的补偿设备
US8537942B2 (en) * 2012-01-24 2013-09-17 Litepoint Corporation System and method of maintaining correction of DC offsets in frequency down-converted data signals
KR101625965B1 (ko) * 2012-04-20 2016-05-31 후아웨이 테크놀러지 컴퍼니 리미티드 통신 정정을 위한 장치 및 방법
US8983486B2 (en) 2013-03-15 2015-03-17 Blackberry Limited Statistical weighting and adjustment of state variables in a radio
EP2779510B1 (fr) 2013-03-15 2018-10-31 BlackBerry Limited Pondération statistique et ajustement de variables d'état dans une radio
US8811538B1 (en) 2013-03-15 2014-08-19 Blackberry Limited IQ error correction
US8942656B2 (en) 2013-03-15 2015-01-27 Blackberry Limited Reduction of second order distortion in real time
US9197279B2 (en) 2013-03-15 2015-11-24 Blackberry Limited Estimation and reduction of second order distortion in real time
US9300336B2 (en) 2013-08-01 2016-03-29 Harris Corporation Direct conversion receiver device with first and second stages and related methods
US9252891B2 (en) * 2013-11-07 2016-02-02 Silicon Laboratories Inc. Die-to-die communication links for receiver integrated circuit dies and related methods
US9160465B2 (en) 2013-11-07 2015-10-13 Silicon Labortories Inc. Spur cancellation systems and related methods
CN105306938B (zh) * 2014-07-28 2019-02-12 浙江大华技术股份有限公司 一种数字视频编码器及数字视频编码方法
US9742600B2 (en) * 2015-02-05 2017-08-22 Samsung Electronics Co., Ltd. Method and system for estimating and compensating for direct current (DC) offset in ultra-low power (ULP) receiver
EP3068044A1 (fr) * 2015-03-11 2016-09-14 Nxp B.V. Module pour un récepteur radio
US9930394B2 (en) * 2015-06-01 2018-03-27 Bby Solutions, Inc. Display component activation
FR3047380B1 (fr) * 2016-01-29 2018-05-18 STMicroelectronics (Alps) SAS Detection d'un branchement analogique dans un decodeur video
US9813659B1 (en) 2016-05-11 2017-11-07 Drone Racing League, Inc. Diversity receiver
US9967027B2 (en) * 2016-07-14 2018-05-08 Cisco Technology, Inc. Optical transceiver compensation, monitoring and alarming
US10737781B2 (en) 2017-09-14 2020-08-11 Drone Racing League, Inc. Three-dimensional pathway tracking system
CN108377388B (zh) * 2018-03-29 2023-09-08 珠海迈科智能科技股份有限公司 一种双Tuner模组电视信号测量仪及方法
US10645337B1 (en) 2019-04-30 2020-05-05 Analong Devices International Unlimited Company Video line inversion for reducing impact of periodic interference signals on analog video transmission
CN110572225B (zh) * 2019-07-18 2022-04-15 广州润芯信息技术有限公司 接收机直流失调监测系统、方法、电子设备及存储介质
US11736815B2 (en) 2020-12-15 2023-08-22 Analog Devices International Unlimited Company Interferer removal for reducing impact of periodic interference signals on analog video transmission
US20230396799A1 (en) * 2022-06-06 2023-12-07 Tencent America LLC Signaling method for scaling parameter in chroma from luma intra prediction mode

Family Cites Families (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3692933A (en) * 1970-10-28 1972-09-19 Admiral Corp X-radiation protection circuit
JPS5752285A (en) * 1980-09-11 1982-03-27 Sanyo Electric Co Ltd Color synchronizing circuit
US4402005A (en) * 1981-08-31 1983-08-30 Rca Corporation Clock generator for a digital color television signal receiver
JPS58121875A (ja) * 1982-01-14 1983-07-20 Matsushita Electric Ind Co Ltd テレビジヨン受像機
US4792854A (en) * 1982-09-14 1988-12-20 New York Institute Of Technology Apparatus for temporally processing a video signal
JPH0740722B2 (ja) 1986-03-06 1995-05-01 株式会社東芝 デジタル信号処理回路
US4694326A (en) 1986-03-28 1987-09-15 Rca Corporation Digital phase locked loop stabilization circuitry including a secondary digital phase locked loop which may be locked at an indeterminate frequency
FR2641922B1 (fr) * 1988-12-30 1991-03-22 Alcatel Transmission Dispositif d'egalisation auto-adaptative pour installation de demodulation differentiellement coherente
US5140699A (en) 1990-12-24 1992-08-18 American Nucleonics Corporation Detector DC offset compensator
US5428400A (en) 1993-01-29 1995-06-27 Thomson Consumer Electronics, Inc. Enabling a display of closed captioning status upon detecting a code of a proper subset of closed-caption data codes
DE69421483T2 (de) * 1993-08-04 2000-07-06 Matsushita Electric Ind Co Ltd Gerät zur magnetischen Aufzeichnung und Wiedergabe mit Zeitlupenwiedergabe
JP3256619B2 (ja) * 1993-12-24 2002-02-12 株式会社東芝 文字情報表示装置
JP3860607B2 (ja) 1994-09-14 2006-12-20 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 無線伝送システム及びそれに用いる無線機
GB9424341D0 (en) 1994-12-02 1995-01-18 Philips Electronics Uk Ltd Receiver diversity
US5724653A (en) 1994-12-20 1998-03-03 Lucent Technologies Inc. Radio receiver with DC offset correction circuit
KR0160713B1 (ko) 1995-08-05 1999-01-15 김광호 정지 화상 저장 및 이를 표시하는 텔레비젼
GB9617423D0 (en) * 1995-10-11 1996-10-02 Philips Electronics Nv Receiver circuit
KR100246911B1 (ko) * 1996-01-11 2000-03-15 윤종용 휘도신호와 색호간의 지연차 자동 보상 장치 및 방법
US5986720A (en) 1996-05-09 1999-11-16 Matsushita Electric Industrial Co., Ltd. Mobile television receiver
JP3907703B2 (ja) 1996-09-06 2007-04-18 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 零ｉｆ受信器
US6031878A (en) 1997-02-28 2000-02-29 Maxim Integrated Products, Inc. Direct-conversion tuner integrated circuit for direct broadcast satellite television
US5864310A (en) * 1997-03-21 1999-01-26 Philips Electronics North America Corporation Wireless receiver with offset compensation using flash-ADC
WO1999025075A2 (fr) 1997-11-07 1999-05-20 Koninklijke Philips Electronics N.V. Dispositif de communication sans fil
EP0965208A2 (fr) 1997-11-21 1999-12-22 Koninklijke Philips Electronics N.V. Unite de demodulation et procede de demodulation d'un signal en quadrature
US6192225B1 (en) * 1998-04-22 2001-02-20 Ericsson Inc. Direct conversion receiver
US6145033A (en) * 1998-07-17 2000-11-07 Seiko Epson Corporation Management of display FIFO requests for DRAM access wherein low priority requests are initiated when FIFO level is below/equal to high threshold value
US6236864B1 (en) * 1998-11-27 2001-05-22 Nortel Networks Limited CDMA transmit peak power reduction
DE19902865A1 (de) * 1999-01-25 2000-07-27 Philips Corp Intellectual Pty Zero-IF-Konverter mit RC-Filter
US6460180B1 (en) 1999-04-20 2002-10-01 Webtv Networks, Inc. Enabling and/or disabling selected types of broadcast triggers
US6687313B1 (en) * 1999-05-05 2004-02-03 Samsung Electronics Co., Ltd. Digital television receiver converting vestigial-sideband signals to double-sideband AM signals before demodulation
US6516185B1 (en) * 1999-05-24 2003-02-04 Level One Communications, Inc. Automatic gain control and offset correction
US6922555B1 (en) 1999-09-02 2005-07-26 Koninklijke Philips Electronics N.V. Phase interpolation receiver for angle modulated RF signals
US6442380B1 (en) 1999-12-22 2002-08-27 U.S. Philips Corporation Automatic gain control in a zero intermediate frequency radio device
JP3840026B2 (ja) * 2000-01-21 2006-11-01 キヤノン株式会社 画像処理装置及びその方法並びに記憶媒体
US6473460B1 (en) 2000-03-31 2002-10-29 Matsushita Electric Industrial Co., Ltd. Method and apparatus for calculating motion vectors
US6968020B1 (en) * 2000-06-06 2005-11-22 Conexant Systems, Inc. System and method of frequency synthesis to avoid gaps and VCO pulling in direct broadcast satellite systems
JP2002027340A (ja) * 2000-07-03 2002-01-25 Alps Electric Co Ltd テレビジョンチューナ及び該テレビジョンチューナを用いた映像機器
GB0016411D0 (en) 2000-07-05 2000-08-23 Koninkl Philips Electronics Nv Antenna diversity receiver
KR20020011247A (ko) 2000-08-01 2002-02-08 구자홍 디지털 텔레비젼의 화질 향상장치 및 방법
GB0027503D0 (en) 2000-11-10 2000-12-27 Koninkl Philips Electronics Nv Radio receiver
GB0028652D0 (en) 2000-11-24 2001-01-10 Koninkl Philips Electronics Nv Radio receiver
US7177372B2 (en) 2000-12-21 2007-02-13 Jian Gu Method and apparatus to remove effects of I-Q imbalances of quadrature modulators and demodulators in a multi-carrier system
JP4429533B2 (ja) * 2001-01-29 2010-03-10 三星電子株式会社 周波数変換器
JP2003046944A (ja) * 2001-08-02 2003-02-14 Sony Corp 信号処理装置および方法、記録装置および方法、再生装置および方法、記録再生装置および方法、ビデオカメラ、ならびに、映像モニタ装置
US6784942B2 (en) 2001-10-05 2004-08-31 Genesis Microchip, Inc. Motion adaptive de-interlacing method and apparatus
WO2004015853A1 (fr) * 2002-08-02 2004-02-19 Nokia Corporation Demodulateur a quadrature faisant appel a un processeur fft
KR100788654B1 (ko) 2002-11-07 2007-12-26 삼성전자주식회사 화면 조정 장치 및 방법
US20040125239A1 (en) * 2002-12-26 2004-07-01 David Rahn Television tuner supporting channel hopping
EP1678830A1 (fr) 2003-10-21 2006-07-12 Koninklijke Philips Electronics N.V. Systeme de conversion analogique-numerique et de suppression
ATE535843T1 (de) 2003-11-04 2011-12-15 Richemont Int Sa Uhr mit umkehrbarem uhrgehäuse
EP1751848B1 (fr) 2004-04-30 2009-09-02 Telegent Systems, Inc. Recepteur video analogique integre
US7508451B2 (en) 2004-04-30 2009-03-24 Telegent Systems, Inc. Phase-noise mitigation in an integrated analog video receiver
US7327404B2 (en) 2004-10-22 2008-02-05 Mediatek Incorporation Methods and systems for color image processing

Also Published As

Publication number Publication date
US7932958B2 (en) 2011-04-26
EP1751848A2 (fr) 2007-02-14
DE602005016398D1 (de) 2009-10-15
CN1973431B (zh) 2011-08-03
US20050243220A1 (en) 2005-11-03
WO2005109625A2 (fr) 2005-11-17
CN1973431A (zh) 2007-05-30
ATE441969T1 (de) 2009-09-15
ES2330454T3 (es) 2009-12-10
US20080158433A1 (en) 2008-07-03
US7542100B2 (en) 2009-06-02
US7505086B2 (en) 2009-03-17
EP2075908A3 (fr) 2009-07-22
KR20070046786A (ko) 2007-05-03
US20050243217A1 (en) 2005-11-03
EP2075908A2 (fr) 2009-07-01
US20050243218A1 (en) 2005-11-03
US20090185079A1 (en) 2009-07-23
WO2005109625A3 (fr) 2006-03-30
US20100225820A1 (en) 2010-09-09
KR101039451B1 (ko) 2011-06-07
US20050243219A1 (en) 2005-11-03
US8203653B2 (en) 2012-06-19
US7453526B2 (en) 2008-11-18
US7929060B2 (en) 2011-04-19
CN101540855B (zh) 2011-01-05
EP1751848B1 (fr) 2009-09-02
US20080297664A1 (en) 2008-12-04
CN101540855A (zh) 2009-09-23
US8077262B2 (en) 2011-12-13

Similar Documents

Publication Publication Date Title
HK1130141A1 (en) Video device and method of operation of a video display device
TW200642430A (en) Deep sleep mode for portable communication device
ATE463076T1 (de) Leistungsverstärker
ATE491265T1 (de) Verfahren und vorrichtung zum empfangen von hochfrequenzsignalen
TW200633365A (en) Audio frequency signal amplifier and electrical machine using the same
SG131900A1 (en) High-bandwidth high-gain amplifier
GB2441241A (en) Continuous-time equalizer
SG131901A1 (en) High-bandwidth high-gain amplifier
TW200715843A (en) Receiver apparatus and receiver system
TW200743336A (en) RF receiver and RF transmitter
TW200713864A (en) Receiver apparatus and receiver system
DE602006014365D1 (de) Empfangsgerät für Digitalfernsehen- und/oder -audio, und Mobilverarbeitungsteil
TW200705744A (en) Wireless electronic device and method for controlling the wireless electronic device
TW200704047A (en) Radio transmission apparatus with variable frequency bandwidth of transmission signal or variable method of modulating transmission signal
WO2007069060A3 (fr) Amplificateur a faible bruit ameliore
GB2384124A8 (en) A receiver circuit with an analog to digital converter and means preceding the converter whose gain is dependant on a clip point of the converter
EP1505724A4 (fr) Dispositif d'amplification de puissance
ATE434905T1 (de) Integrierter tuner
EP1349267A4 (fr) Circuit d'amplificateur pour diffusion am
EP1335490A3 (fr) Dispositif de réception avec fonction de commande automatique de gain
EP1583226A3 (fr) Dispositif de communication radio
KR100595669B1 (ko) 이동통신단말기 및 그의 송신 알에프신호 제어방법
EP1868308A3 (fr) Récepteur de diffusion multimédia numérique terrestre
DE60219975D1 (de) Selbstkompensierender Verstärker und Treiber für Rundfunkdatenempfänger
CN202261256U (zh) 一种自带fm接收信号增强电路的便携式小音箱

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20140502