AR014501A1 - Metodo de comando de un sistema de senal digital para suministrar una senal a un receptor de television digital y un sistema para suministrar una senal de banda de base digital comprimida a un receptor de television digital - Google Patents

Metodo de comando de un sistema de senal digital para suministrar una senal a un receptor de television digital y un sistema para suministrar una senal de banda de base digital comprimida a un receptor de television digital

Info

Publication number
AR014501A1
AR014501A1 ARP990100327A ARP990100327A AR014501A1 AR 014501 A1 AR014501 A1 AR 014501A1 AR P990100327 A ARP990100327 A AR P990100327A AR P990100327 A ARP990100327 A AR P990100327A AR 014501 A1 AR014501 A1 AR 014501A1
Authority
AR
Argentina
Prior art keywords
signal
digital
television receiver
supply
digital television
Prior art date
Application number
ARP990100327A
Other languages
English (en)
Original Assignee
Zenith Electronics Corp
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 Zenith Electronics Corp filed Critical Zenith Electronics Corp
Publication of AR014501A1 publication Critical patent/AR014501A1/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/438Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382Demodulation or channel decoding, e.g. QPSK demodulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/21Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/38Transmitter circuitry for the transmission of television signals according to analogue transmission standards
    • H04N5/40Modulation circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

El método incluye un codificador-modulador para acoplar una senal de television de banda de base digital a un receptor de television digital de VSBque incluye filtros, circuitería de compensacion y circuitería de correccion de errores haciade lante para corregir deterioros de senales que estén por debajode un umbral dado. El codificador-modulador procesa la senal de banda de base para transmision a baja potencia en un canal de radiofrecuencia concaracterísticas de banda pasantemenores que la nominal. Un cable coaxil u otro enlace de comunicacion de bajo ruido conecta directamente la senal deradiofrecuencia a la entrada de radiofrecuencia del receptor de television. Los errores o deterioros de la senal en la senaltransmitida que e stén por debajodel umbral predeterminados son corregidos por los filtros y la circuitería de compensacion incorporada dentro del receptor de television digital de VSB.
ARP990100327A 1998-02-06 1999-01-27 Metodo de comando de un sistema de senal digital para suministrar una senal a un receptor de television digital y un sistema para suministrar una senal de banda de base digital comprimida a un receptor de television digital AR014501A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2027498A 1998-02-06 1998-02-06

Publications (1)

Publication Number Publication Date
AR014501A1 true AR014501A1 (es) 2001-02-28

Family

ID=21797699

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP990100327A AR014501A1 (es) 1998-02-06 1999-01-27 Metodo de comando de un sistema de senal digital para suministrar una senal a un receptor de television digital y un sistema para suministrar una senal de banda de base digital comprimida a un receptor de television digital

Country Status (12)

Country Link
US (1) US6559898B1 (es)
JP (1) JP2001519993A (es)
KR (1) KR100470737B1 (es)
CN (1) CN1148958C (es)
AR (1) AR014501A1 (es)
AU (1) AU2026499A (es)
BR (1) BR9904769A (es)
CA (1) CA2280161C (es)
HK (1) HK1027701A1 (es)
ID (1) ID22693A (es)
TW (1) TW416219B (es)
WO (1) WO1999040721A1 (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7106388B2 (en) * 1999-12-15 2006-09-12 Broadcom Corporation Digital IF demodulator for video applications
KR100386572B1 (ko) * 1999-12-24 2003-06-02 엘지전자 주식회사 디지털 티브이 중계 시스템
JP4517436B2 (ja) * 2000-02-09 2010-08-04 ソニー株式会社 受信システム、受信装置、及び受信システムの制御方法
US20010052128A1 (en) * 2000-03-03 2001-12-13 Sadaaki Shinjo Signal converter
US6724439B1 (en) 2000-08-04 2004-04-20 Zenith Electronics Corporation Low cost VSB encoder and RF modulator for supplying a substantially 6 MHZ VSB signal to digital television receiver
KR100424496B1 (ko) * 2000-08-31 2004-03-26 삼성전자주식회사 디지털 vsb시스템의 동기신호를 이용한 이퀄라이져 제어 방법 및 장치
US7352411B2 (en) * 2000-12-15 2008-04-01 Broadcom Corporation Digital IF demodulator
US6919930B2 (en) * 2001-04-06 2005-07-19 Zenith Electronics Corporation Digital television signal translator
DE10163798A1 (de) * 2001-12-22 2003-07-03 Philips Intellectual Property Fernsehsignal-Empfänger mit universalem Ausgang für verschiedenartige Oberflächenwellenfilter
US7847864B1 (en) * 2002-03-01 2010-12-07 Broadcom Corporation All digital radio frequency modulator
US7489362B2 (en) 2003-03-04 2009-02-10 Broadcom Corporation Television functionality on a chip
KR100561472B1 (ko) * 2003-10-21 2006-03-16 삼성전자주식회사 다중 신호를 포괄하여 송수신하는 장치 및 방법
US20070076819A1 (en) * 2005-09-30 2007-04-05 Axcera, Llc 8VSB bandwidth-limited peak filter
GB0614543D0 (en) * 2006-07-21 2006-08-30 Vodafone Plc RF Distribution
US8139957B2 (en) * 2008-06-24 2012-03-20 General Instrument Corporation High sensitivity optical receiver employing a high gain amplifier and an equalizing circuit
WO2015027903A1 (en) * 2013-08-27 2015-03-05 Zte Corporation Optical communication using super-nyquist signals
KR102118976B1 (ko) 2018-08-24 2020-06-04 주식회사 비즈닉스 콘택트렌즈 진열장치 및 이를 이용한 콘택트렌즈 전시방법
KR20200074042A (ko) 2018-12-14 2020-06-24 장세진 콘택트렌즈 진열 시스템 및 이를 이용한 콘택트렌즈 진열 시스템 제어방법
KR20200074041A (ko) 2018-12-14 2020-06-24 장세진 콘택트렌즈 진열장치 및 이를 이용한 콘택트렌즈 진열장치 제어방법
KR20220015202A (ko) 2020-07-30 2022-02-08 주식회사 비즈닉스 렌즈 큐브, 콘택트렌즈 버츄얼 피팅 시스템 및 이를 이용한 콘택트렌즈 버츄얼 피팅 방법
KR20220015201A (ko) 2020-07-30 2022-02-08 주식회사 비즈닉스 콘택트렌즈 전시 스탠드, 콘택트렌즈 버츄얼 피팅 시스템 및 이를 이용한 콘택트렌즈 버츄얼 피팅 방법
KR20220015200A (ko) 2020-07-30 2022-02-08 주식회사 비즈닉스 콘택트렌즈 버츄얼 피팅 시스템 및 이를 이용한 콘택트렌즈 버츄얼 피팅 방법

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60220683A (ja) 1984-04-17 1985-11-05 Murata Mfg Co Ltd Vtrのrfモジユレ−タ
US5040063A (en) 1988-04-04 1991-08-13 Zenith Electronics Corporation TV signal transmission systems and methods
US5270816A (en) 1988-04-04 1993-12-14 Zenith Electronics Corporation TV signal transmission systems and methods
US4958230A (en) 1989-08-11 1990-09-18 General Electric Company Method of transmitting auxiliary information in a television signal
US5029003A (en) 1989-12-18 1991-07-02 General Electric Company Apparatus for incorporating digital signals with a standard TV signal
US5086340A (en) 1990-10-19 1992-02-04 Zenith Electronics Corporation Co-channel interference reduction system for digital high definition television
US5087975A (en) 1990-11-09 1992-02-11 Zenith Electronics Corporation VSB HDTV transmission system with reduced NTSC co-channel interference
US5450392A (en) 1992-05-01 1995-09-12 General Instrument Corporation Reduction of interchannel harmonic distortions in an analog and digital signal multiplex
US5283653A (en) 1992-05-22 1994-02-01 Zenith Electronics Corp. Dual HDTV/NTSC receiver using sequentially synthesized HDTV and NTSC co-channel carrier frequencies
CA2154180C (en) * 1993-02-17 1999-04-06 Alan L. Wilson Multiple-modulation communication system
US5602595A (en) 1993-12-29 1997-02-11 Zenith Electronics Corporation ATV/MPEG sync system
US5602602A (en) * 1994-02-10 1997-02-11 Philips Electronics North America Corporation Method and apparatus for combating co-channel NTSC interference for digital TV transmission having a simplified rejection filter
US5745187A (en) 1994-02-10 1998-04-28 U.S. Philips Corporation Method and apparatus for combating co-channel NTSC interference for digital TV transmission using a bank of rejection filters
US5686966A (en) * 1994-04-06 1997-11-11 De La Cierva, Sr.; Juan Digital data transmission system for transmitting digital data in a predetermined bandwidth without distortion
US5636252A (en) * 1994-05-04 1997-06-03 Samsung Electronics Co., Ltd. Automatic gain control of radio receiver for receiving digital high-definition television signals
US5572249A (en) * 1994-07-07 1996-11-05 Philips Electronics North America Corporation Method and apparatus for optimal NTSC rejection filtering and transmitter and receiver comprising same
US5583889A (en) 1994-07-08 1996-12-10 Zenith Electronics Corporation Trellis coded modulation system for HDTV
US5559561A (en) * 1994-07-15 1996-09-24 Lucent Technologies Inc. Coded modulation with shaping gain and tomlinson precoding
US5602583A (en) 1995-02-10 1997-02-11 Zenith Electronics Corporation NTSC rejection filter with switched tomlinson precoder for reducing NTSC co-channel interference in ATV receivers
IT1276019B1 (it) 1995-03-10 1997-10-24 M B International S R L Procedimento per la generazione di un segnale televisivo modulato
IT1276020B1 (it) 1995-03-10 1997-10-24 M B International S R L Procedimento e dispositivo per la generazione di un segnale televisivo modulato
US5648822A (en) * 1995-05-19 1997-07-15 Philips Electronics North America Corporation Method and apparatus for combating co-channel NTSC interference using a variable-comb filter for digital TV transmission
US5574496A (en) 1995-06-07 1996-11-12 Zenith Electronics Corporation Techniques for minimizing co-channel interference in a received ATV signal
US5821988A (en) 1995-08-29 1998-10-13 Zenith Electronics Corporation NTSC co-channel interference reduction system
JP3517056B2 (ja) * 1996-04-24 2004-04-05 パイオニア株式会社 Vsb変調信号におけるサンプリングタイミング位相誤差検出器
US5748226A (en) 1996-11-12 1998-05-05 Samsung Electronics Co., Ltd. Digital television receiver with adaptive filter circuitry for suppressing NTSC co-channel interference
CA2220740C (en) 1996-11-12 2002-03-19 Samsung Electronics Co., Ltd. Symbol decoding apparatus with plural data slicers and an adaptive ntsc co-channel interference filter
JPH10224150A (ja) * 1997-02-05 1998-08-21 Matsushita Electric Ind Co Ltd 映像信号送出装置
US5946047A (en) 1997-03-12 1999-08-31 Hybrid Networks, Inc. Network system for handling digital data over a TV channel
US6549242B1 (en) * 1997-04-04 2003-04-15 Harris Corporation Combining adjacent TV channels for transmission by a common antenna
US6285412B1 (en) * 1997-07-23 2001-09-04 Harris Corporation Adaptive pre-equalization apparatus for correcting linear distortion of a non-ideal data transmission system
US5909253A (en) 1997-12-09 1999-06-01 Sarnoff Corporation Reducing video crosstalk in a data carrier located within a vestigial sideband of a standard television signal

Also Published As

Publication number Publication date
US6559898B1 (en) 2003-05-06
ID22693A (id) 1999-12-09
CA2280161C (en) 2004-10-19
TW416219B (en) 2000-12-21
AU2026499A (en) 1999-08-23
WO1999040721A1 (en) 1999-08-12
KR20010005743A (ko) 2001-01-15
CA2280161A1 (en) 1999-08-12
BR9904769A (pt) 2000-03-08
CN1148958C (zh) 2004-05-05
HK1027701A1 (en) 2001-01-19
CN1256044A (zh) 2000-06-07
JP2001519993A (ja) 2001-10-23
KR100470737B1 (ko) 2005-03-07

Similar Documents

Publication Publication Date Title
AR014501A1 (es) Metodo de comando de un sistema de senal digital para suministrar una senal a un receptor de television digital y un sistema para suministrar una senal de banda de base digital comprimida a un receptor de television digital
US8306563B2 (en) Method and apparatus for muting a digital link in a distributed antenna system
KR100459412B1 (ko) 디지털 신호 전송장치를 이용한 cdma 광 중계기 수신장치
EP2153555B1 (en) Frequency modulated burst mode optical system
GB2132454A (en) Improvements in or relating to radio communication apparatus and systems
WO2004001723A3 (en) Wireless output input device player
FI941366A0 (fi) Radiolähetysmenetelmä, jossa käytetään toistinasemia, joissa on spektrin kääntö
AU3324893A (en) Spread-spectrum data publishing system
RU2004118500A (ru) Ретранслятор, осуществляющий управление мощностью обратной линии связи
MX172531B (es) Aparato de transmision de datos del suscritor por frecuencia de radio para television por cable y metodo de retorno rf.
US9735872B2 (en) Remote device of optical relay system
EP3270528B1 (en) Optical transceiver module for communications in das systems
KR0144208B1 (ko) 이동통신 고출력 중계장치
DE60014705D1 (de) Basisstation mit einer ersten und zweiten basiseinheit
ATE341869T1 (de) Dynamische streckenanpassung für zeitduplex (tdd)
KR100431196B1 (ko) 다중 밴드 모뎀의 이득 제어장치
IL274384B (en) Transceiver for full duplex communication along a common frequency band and associated method
KR20050028149A (ko) 송신 dc 옵셋 제거방법
AR009886A1 (es) Procedimiento para transmision por radio entre un aparato emisor y un aparato receptor y un telefono inalambrico
KR100442134B1 (ko) 비콘 신호를 이용한 기지국 중계 장치
FI962117A (fi) Menetelmä radiolähettimen ja radiovastaanottimen kytkemiseksi samaan antenniin ja lähetinvastaanotinjärjestely
KR100348277B1 (ko) 디지털 tv의 상용 vsb 복조기를 이용한 왜곡 신호자동 보상 방법
DE3566762D1 (en) Antenna system for use in tunnels for broadband signal transmission
KR100404176B1 (ko) 디지털지상파방송송신기의신호레벨보상장치
KR20010064906A (ko) 디지털 티브이 중계기를 이용한 지역 방송 서비스 방법

Legal Events

Date Code Title Description
FG Grant, registration