BR9505266A - Aparelho em um sistema para recebimento de um sinal representativo de informações de video digitais - Google Patents
Aparelho em um sistema para recebimento de um sinal representativo de informações de video digitaisInfo
- Publication number
- BR9505266A BR9505266A BR9505266A BR9505266A BR9505266A BR 9505266 A BR9505266 A BR 9505266A BR 9505266 A BR9505266 A BR 9505266A BR 9505266 A BR9505266 A BR 9505266A BR 9505266 A BR9505266 A BR 9505266A
- Authority
- BR
- Brazil
- Prior art keywords
- receiving
- digital video
- video information
- signal representative
- representative
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
-
- 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
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
- H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
-
- 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
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
- H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
- H04L25/0307—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure using blind adaptation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Picture Signal Circuits (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Television Systems (AREA)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/345,031 US5550596A (en) | 1994-11-25 | 1994-11-25 | Digital television signal processing system including a co-channel rejection filter |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9505266A true BR9505266A (pt) | 1997-09-16 |
Family
ID=23353170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9505266A BR9505266A (pt) | 1994-11-25 | 1995-11-22 | Aparelho em um sistema para recebimento de um sinal representativo de informações de video digitais |
Country Status (11)
Country | Link |
---|---|
US (1) | US5550596A (pt) |
EP (1) | EP0714201B1 (pt) |
JP (1) | JP4020334B2 (pt) |
KR (1) | KR100385030B1 (pt) |
CN (1) | CN1110942C (pt) |
BR (1) | BR9505266A (pt) |
CA (1) | CA2161994C (pt) |
DE (1) | DE69520549T2 (pt) |
MY (1) | MY113410A (pt) |
SG (1) | SG40050A1 (pt) |
TW (1) | TW368784B (pt) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5805242A (en) * | 1994-03-21 | 1998-09-08 | Thomson Consumer Electronics, Inc. | Carrier independent timing recovery system for a vestigial sideband modulated signal |
US5959699A (en) * | 1994-06-28 | 1999-09-28 | Samsung Electronics Co., Ltd. | Reception mode control in radio receivers for receiving both VSB and QAM digital television signals |
US5572262A (en) * | 1994-12-29 | 1996-11-05 | Philips Electronics North America Corporation | Receiver based methods and devices for combating co-channel NTSC interference in digital transmission |
US5642382A (en) * | 1995-03-01 | 1997-06-24 | Hitachi America, Ltd. | Fir filters with multiplexed inputs suitable for use in reconfigurable adaptive equalizers |
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 |
US5799037A (en) * | 1996-02-16 | 1998-08-25 | David Sarnoff Research Center Inc. | Receiver capable of demodulating multiple digital modulation formats |
US5986720A (en) * | 1996-05-09 | 1999-11-16 | Matsushita Electric Industrial Co., Ltd. | Mobile television receiver |
US5712873A (en) * | 1996-06-04 | 1998-01-27 | Thomson Consumer Electronics, Inc. | Multi-mode equalizer in a digital video signal processing system |
US6952444B1 (en) * | 1996-07-19 | 2005-10-04 | Texas Instruments Incorporated | Blind DFE and phase correction |
US5956346A (en) * | 1996-10-22 | 1999-09-21 | Hybrid Networks, Inc. | Broadband communication system using TV channel roll-off spectrum |
US6005640A (en) * | 1996-09-27 | 1999-12-21 | Sarnoff Corporation | Multiple modulation format television signal receiver system |
US6177951B1 (en) * | 1996-12-18 | 2001-01-23 | Philips Electronics North America Corporation | Digital receiver which utilizes a rejection filter for cancellation of known co-channel interference and an equalizer for equalizing multipath channels without attempting to equalize the co-channel interference |
US6633550B1 (en) * | 1997-02-20 | 2003-10-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Radio transceiver on a chip |
KR100219636B1 (ko) * | 1997-03-25 | 1999-09-01 | 윤종용 | 레벨 변화를 일으키지 않는 ntsc 제거필터의 설계방법과 이를 채용한 수신기 |
US6047026A (en) * | 1997-09-30 | 2000-04-04 | Ohm Technologies International, Llc | Method and apparatus for automatic equalization of very high frequency multilevel and baseband codes using a high speed analog decision feedback equalizer |
AU9805498A (en) | 1997-10-16 | 1999-05-03 | Int Labs, Inc. | Data transfer over wire or wireless medium |
KR100682816B1 (ko) * | 1998-01-21 | 2007-02-15 | 소니 가부시끼 가이샤 | 정보 수신 장치 및 정보 수신 방법 |
KR100309098B1 (ko) * | 1998-05-07 | 2001-11-15 | 윤종용 | 기준신호를갖는변복조방식디지털통신시스템수신장치에서의신호처리방법및장치와동일채널간섭신호제거를위한방법및장치 |
US6377312B1 (en) * | 1998-08-24 | 2002-04-23 | Samsung Electronics Co., Ltd. | Adaptive fractionally spaced equalizer for received radio transmissions with digital content, such as DTV signals |
US6441843B1 (en) * | 1998-08-24 | 2002-08-27 | Samsung Electronics Co., Ltd. | Suppression of effects of co-channel NTSC interference artifacts upon digital TV receiver adaptive equalizer |
US6226323B1 (en) | 1998-11-03 | 2001-05-01 | Broadcom Corporation | Technique for minimizing decision feedback equalizer wordlength in the presence of a DC component |
US6219088B1 (en) | 1998-11-03 | 2001-04-17 | Broadcom Corporation | NTSC interference rejection filter |
US6842495B1 (en) * | 1998-11-03 | 2005-01-11 | Broadcom Corporation | Dual mode QAM/VSB receiver |
US6438164B2 (en) * | 1998-11-03 | 2002-08-20 | Broadcom Corporation | Technique for minimizing decision feedback equalizer wordlength in the presence of a DC component |
US6775334B1 (en) * | 1998-11-03 | 2004-08-10 | Broadcom Corporation | Equalization and decision-directed loops with trellis demodulation in high definition TV |
EP1127424B1 (en) | 1998-11-03 | 2004-09-29 | Broadcom Corporation | Dual mode qam/vsb receiver |
US6219379B1 (en) * | 1998-11-17 | 2001-04-17 | Philips Electronics North America Corporation | VSB receiver with complex equalization for improved multipath performance |
KR100275708B1 (ko) * | 1998-12-31 | 2000-12-15 | 윤종용 | 아날로그 방송의 채널 간섭을 개선한 디지털방송 신호 처리 장치 및 방법 |
US6526093B1 (en) | 1999-03-04 | 2003-02-25 | Mitsubishi Electric Research Laboratories, Inc | Method and apparatus for equalizing a digital signal received via multiple transmission paths |
JP2000269865A (ja) * | 1999-03-17 | 2000-09-29 | Pioneer Electronic Corp | ディジタル信号受信システムにおける信号処理回路 |
US6636571B1 (en) * | 1999-12-20 | 2003-10-21 | Texas Instruments Incorporated | Automatic frequency control system with improved argument approximation |
US6683913B1 (en) | 1999-12-30 | 2004-01-27 | Tioga Technologies Inc. | Narrowband noise canceller |
US6778599B1 (en) | 2000-03-09 | 2004-08-17 | Tioga Technologies | Digital transceiver with multi-rate processing |
US6879630B2 (en) * | 2000-03-30 | 2005-04-12 | Hitachi Kokusai Electric Inc. | Automatic equalization circuit and receiver circuit using the same |
FI112306B (fi) * | 2000-12-05 | 2003-11-14 | Tellabs Oy | Menetelmä ja laitteisto QAM- tai CAP-moduloidun modeemiyhteyden vastaanotinsynkronoinnin laadun parantamiseksi |
DE10131224C1 (de) * | 2001-06-28 | 2002-12-05 | St Microelectronics Gmbh | Elektrischer Filter mit Sperrverhalten für eine vorbestimmmte Sperrfrequenz |
US20030165208A1 (en) * | 2002-03-04 | 2003-09-04 | Andrew Carter | Non-linear decision feedback phase locked loop filter |
AU2003213704A1 (en) * | 2002-03-19 | 2003-10-08 | Thomson Licensing S.A. | Slicing algorithm for multi-level modulation equalizing schemes |
US7391834B2 (en) * | 2002-10-01 | 2008-06-24 | Intel Corporation | Pulse amplitude modulated system with reduced intersymbol interference |
US7372919B1 (en) | 2003-04-10 | 2008-05-13 | Marvell International Ltd. | Space-time block decoder for a wireless communications system |
KR20040096319A (ko) * | 2003-05-09 | 2004-11-16 | 삼성전자주식회사 | 특성이 다른 신호의 간섭을 제거하기 위한 장치 및 그의제거방법 |
JP4550502B2 (ja) * | 2003-07-16 | 2010-09-22 | 三星電子株式会社 | 並列構造のntsc除去フィルタ及びフィルタリング方法 |
US7995648B2 (en) * | 2004-04-09 | 2011-08-09 | Trident Microsystems (Far East) Ltd. | Advanced digital receiver |
CA2560729A1 (en) * | 2004-04-09 | 2005-10-27 | Micronas Semiconductors, Inc. | Apparatus for and method of developing equalized values from samples of a signal received from a channel |
US7412209B2 (en) * | 2004-04-12 | 2008-08-12 | The Directv Group, Inc. | Shifted channel characteristics for mitigating co-channel interference |
US8213553B2 (en) * | 2004-04-12 | 2012-07-03 | The Directv Group, Inc. | Method and apparatus for identifying co-channel interference |
US7672285B2 (en) | 2004-06-28 | 2010-03-02 | Dtvg Licensing, Inc. | Method and apparatus for minimizing co-channel interference by scrambling |
US8320442B2 (en) * | 2004-05-14 | 2012-11-27 | Zenith Electronics Llc | Channel impulse response estimating decision feedback equalizer |
WO2006020950A1 (en) * | 2004-08-12 | 2006-02-23 | Micronas Semiconductors, Inc. | Automatic gain control unit of a receiver |
US7649962B2 (en) | 2004-09-09 | 2010-01-19 | Panasonic Corporation | Phase error correction circuit |
US7554609B2 (en) * | 2005-01-27 | 2009-06-30 | Realtek Semiconductor Corp. | Method and apparatus for detecting and rejecting NTSC Interference in ATSC system |
CN100456039C (zh) * | 2007-03-29 | 2009-01-28 | 哈尔滨工程大学 | Cw脉冲的窄带跟踪滤波器及其跟踪滤波方法 |
US8036332B2 (en) | 2007-03-30 | 2011-10-11 | 4472314 Canada Inc. | Communication signal symbol timing error detection and recovery |
US9282274B2 (en) * | 2009-06-22 | 2016-03-08 | Entropic Communications, Llc | System and method for reducing intra-channel interference |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5282019A (en) * | 1988-10-03 | 1994-01-25 | Carlo Basile | Method and apparatus for the transmission and reception of a multicarrier digital television signal |
US5134464A (en) * | 1990-11-16 | 1992-07-28 | North American Philips Corporation | Method and apparatus for the transmission and reception of a multicarrier digital television signal |
US5132797A (en) * | 1990-10-19 | 1992-07-21 | Zenith Electronics Corporation | Co-channel interference filter for digital high definition television receiver |
US5121203A (en) * | 1990-10-19 | 1992-06-09 | Zenith Electronics Corporation | HDTV transmission system with reduced NTSC CO-channel interference |
US5087975A (en) * | 1990-11-09 | 1992-02-11 | Zenith Electronics Corporation | VSB HDTV transmission system with reduced NTSC co-channel interference |
JP2762836B2 (ja) * | 1992-04-09 | 1998-06-04 | 日本電気株式会社 | 干渉波除去装置 |
US5325188A (en) * | 1992-05-14 | 1994-06-28 | Hitachi America, Ltd. | Apparatus for NTSC signal interference cancellation through the use of digital recursive notch filters |
US5268761A (en) * | 1992-08-19 | 1993-12-07 | Rca Thomson Licensing Corporation | Automatic gain control system for a high definition television signal receiver including an adaptive equalizer |
JP2720721B2 (ja) * | 1992-08-21 | 1998-03-04 | 日本電気株式会社 | 変復調装置 |
US5453797A (en) * | 1993-02-22 | 1995-09-26 | Massachusetts Institute Of Technology | Method and apparatus for decoding broadcast digital HDTV in the presence of quasi-cyclostationary interference |
US5386239A (en) * | 1993-05-03 | 1995-01-31 | Thomson Consumer Electronics, Inc. | Multiple QAM digital television signal decoder |
-
1994
- 1994-11-25 US US08/345,031 patent/US5550596A/en not_active Expired - Lifetime
-
1995
- 1995-10-28 TW TW084111398A patent/TW368784B/zh not_active IP Right Cessation
- 1995-11-02 CA CA002161994A patent/CA2161994C/en not_active Expired - Fee Related
- 1995-11-08 MY MYPI95003394A patent/MY113410A/en unknown
- 1995-11-14 DE DE69520549T patent/DE69520549T2/de not_active Expired - Lifetime
- 1995-11-14 EP EP95117888A patent/EP0714201B1/en not_active Expired - Lifetime
- 1995-11-22 SG SG1995001896A patent/SG40050A1/en unknown
- 1995-11-22 JP JP33981895A patent/JP4020334B2/ja not_active Expired - Fee Related
- 1995-11-22 BR BR9505266A patent/BR9505266A/pt not_active IP Right Cessation
- 1995-11-24 KR KR1019950044529A patent/KR100385030B1/ko not_active IP Right Cessation
- 1995-11-24 CN CN95120070A patent/CN1110942C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP4020334B2 (ja) | 2007-12-12 |
EP0714201A2 (en) | 1996-05-29 |
AU3904495A (en) | 1996-05-30 |
TW368784B (en) | 1999-09-01 |
MY113410A (en) | 2002-02-28 |
KR100385030B1 (ko) | 2003-12-11 |
SG40050A1 (en) | 1997-06-14 |
DE69520549D1 (de) | 2001-05-10 |
DE69520549T2 (de) | 2001-07-12 |
AU690374B2 (en) | 1998-04-23 |
CA2161994C (en) | 2005-07-12 |
US5550596A (en) | 1996-08-27 |
JPH08242394A (ja) | 1996-09-17 |
EP0714201A3 (en) | 1997-01-02 |
CA2161994A1 (en) | 1996-05-26 |
EP0714201B1 (en) | 2001-04-04 |
KR960020472A (ko) | 1996-06-17 |
CN1110942C (zh) | 2003-06-04 |
CN1134087A (zh) | 1996-10-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TE | Change of address | ||
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 22/11/1995, OBSERVADAS AS CONDICOES LEGAIS. |
|
B24H | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi) | ||
B24F | Patent annual fee: publication cancelled |
Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2258 DE 15/04/2014 POR TER SIDO INDEVIDA. |
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B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE AS 15A, 16A, 17A, 18A, 19A E 20A ANUIDADES. |
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B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |