SG90697A1 - Modulator/demodulator for compatible high definition television system - Google Patents

Modulator/demodulator for compatible high definition television system

Info

Publication number
SG90697A1
SG90697A1 SG9602993A SG1996002993A SG90697A1 SG 90697 A1 SG90697 A1 SG 90697A1 SG 9602993 A SG9602993 A SG 9602993A SG 1996002993 A SG1996002993 A SG 1996002993A SG 90697 A1 SG90697 A1 SG 90697A1
Authority
SG
Singapore
Prior art keywords
information
demodulator
modulator
high definition
television system
Prior art date
Application number
SG9602993A
Other languages
English (en)
Inventor
Hugh Edward White
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of SG90697A1 publication Critical patent/SG90697A1/en

Links

Classifications

    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
    • H04L27/364—Arrangements for overcoming imperfections in the modulator, e.g. quadrature error or unbalanced I and Q levels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/24—High-definition television systems
    • H04N11/30—High-definition television systems with transmission of the extra information by means of quadrature modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L2001/0098—Unequal error protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority

Landscapes

  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Television Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Gyroscopes (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Details Of Television Scanning (AREA)
  • Radio Transmission System (AREA)
  • Amplitude Modulation (AREA)
  • Television Signal Processing For Recording (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
SG9602993A 1991-02-04 1991-12-27 Modulator/demodulator for compatible high definition television system SG90697A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/650,329 US5287180A (en) 1991-02-04 1991-02-04 Modulator/demodulater for compatible high definition television system

Publications (1)

Publication Number Publication Date
SG90697A1 true SG90697A1 (en) 2002-08-20

Family

ID=24608439

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9602993A SG90697A1 (en) 1991-02-04 1991-12-27 Modulator/demodulator for compatible high definition television system

Country Status (25)

Country Link
US (1) US5287180A (hu)
EP (2) EP0570464B1 (hu)
JP (1) JP3384802B2 (hu)
KR (1) KR100255719B1 (hu)
CN (1) CN1037803C (hu)
AT (1) ATE158916T1 (hu)
AU (1) AU662126B2 (hu)
BR (1) BR9107276A (hu)
CA (1) CA2101644A1 (hu)
CZ (2) CZ281295B6 (hu)
DE (2) DE69127828T2 (hu)
DK (2) DK0570464T3 (hu)
EG (1) EG19708A (hu)
ES (2) ES2106856T3 (hu)
FI (1) FI933457A (hu)
HU (1) HUT65171A (hu)
MX (1) MX9200475A (hu)
MY (1) MY109495A (hu)
PL (1) PL167627B1 (hu)
PT (1) PT100085B (hu)
RU (1) RU2127493C1 (hu)
SG (1) SG90697A1 (hu)
SK (1) SK279904B6 (hu)
TR (1) TR28300A (hu)
WO (1) WO1992014343A1 (hu)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4245052B4 (de) * 1991-02-27 2007-10-11 Rca Licensing Corp. Anordnung zum Rekombinieren von Fernsehdaten, die entsprechend einer Rangordnung zerteilt sind
USRE42643E1 (en) 1991-03-27 2011-08-23 Panasonic Corporation Communication system
EP0975171B1 (en) * 1991-03-27 2002-03-27 Matsushita Electric Industrial Co., Ltd. Signal transmission system
US5235424A (en) * 1992-02-06 1993-08-10 General Electric Company Automatic gain control system for a high definition television signal receiver
US5802241A (en) 1992-03-26 1998-09-01 Matsushita Electric Industrial Co., Ltd. Communication system
US6728467B2 (en) 1992-03-26 2004-04-27 Matsushita Electric Industrial Co., Ltd. Communication system
US5892879A (en) 1992-03-26 1999-04-06 Matsushita Electric Industrial Co., Ltd. Communication system for plural data streams
CN1032099C (zh) * 1992-03-26 1996-06-19 松下电器产业株式会社 通信系统
USRE38513E1 (en) 1992-03-26 2004-05-11 Matsushita Electric Industrial Co., Ltd. Communication system
US6724976B2 (en) 1992-03-26 2004-04-20 Matsushita Electric Industrial Co., Ltd. Communication system
US5315619A (en) * 1992-05-15 1994-05-24 Rca Thomson Licensing Corporation Carrier recovery processor for a QAM television signal
US5315617A (en) * 1992-05-29 1994-05-24 General Electric Company QAM encoding for high-definition television system
US5231486A (en) * 1992-07-27 1993-07-27 General Electric Company Data separation processing in a dual channel digital high definition television system
US5264937A (en) * 1992-07-29 1993-11-23 Thomson Consumer Electronics, Inc. Apparatus for time division multiplexed processing of frequency division multiplexed signals
DE69323944T2 (de) * 1992-09-10 1999-07-29 Thomson Consumer Electronics, Inc., Indianapolis, Ind. Mehrfach QAM-Kodierer für digitale Fernsehsignale
ES2340554T3 (es) * 1992-09-25 2010-06-04 Panasonic Corporation Transmision multiportadora con parte de simbolo variable e intervalo de proteccion.
GB9302528D0 (en) * 1993-02-09 1993-03-24 British Broadcasting Corp Television systems
US5386239A (en) * 1993-05-03 1995-01-31 Thomson Consumer Electronics, Inc. Multiple QAM digital television signal decoder
JPH0775099A (ja) * 1993-05-07 1995-03-17 Philips Electron Nv マルチプレックス直交振幅変調テレビジョン送信用送信方式、送信機及び受信機
US5410368A (en) * 1993-12-29 1995-04-25 Zenith Electronics Corp. Carrier acquisition by applying substitute pilot to a synchronous demodulator during a start up interval
US5563664A (en) * 1994-01-05 1996-10-08 Samsung Electronics Co., Ltd. Pre-frame-comb as well as pre-line-comb partial-response filtering of BPSK buried in a TV signal
JPH07245633A (ja) * 1994-03-04 1995-09-19 Toshiba Corp デジタルデータ受信装置
US5835532A (en) * 1994-03-21 1998-11-10 Rca Thomson Licensing Corporation Blind equalizer for a vestigial sideband signal
US5805242A (en) * 1994-03-21 1998-09-08 Thomson Consumer Electronics, Inc. Carrier independent timing recovery system for a vestigial sideband modulated signal
US5894334A (en) * 1994-03-21 1999-04-13 Rca Thomson Licensing Corporation Carrier recovery system for a vestigial sideband signal
US5627604A (en) * 1994-04-04 1997-05-06 Zenith Electronics Corporation Stabilizing the lock up of a bi-phase stable FPLL by augmenting a recovered DC pilot
US5461427A (en) * 1994-06-28 1995-10-24 Thomson Consumer Electronics, Inc. Television receiver having the capability to associate any HDTV and any NTSC channel
US5453796A (en) * 1994-06-28 1995-09-26 Thomson Consumer Electronics, Inc. Signal swap apparatus for a television receiver having an HDTV main picture signal processor and an NTSC Pix-in-Pix signal processor
US5532748A (en) * 1995-03-31 1996-07-02 Matsushita Electric Corporation Of America Hybrid analog/digital television transmission system
US5799037A (en) * 1996-02-16 1998-08-25 David Sarnoff Research Center Inc. Receiver capable of demodulating multiple digital modulation formats
US6005640A (en) * 1996-09-27 1999-12-21 Sarnoff Corporation Multiple modulation format television signal receiver system
KR19980048220A (ko) * 1996-12-17 1998-09-15 구자홍 디지탈 직각 진폭 변조방식의 화상 복합장치
US5946048A (en) * 1997-03-12 1999-08-31 Hybrid Networks, Inc. Network device for handling digital data over a TV channel
US5946047A (en) * 1997-03-12 1999-08-31 Hybrid Networks, Inc. Network system for handling digital data over a TV channel
JP3797510B2 (ja) * 1997-07-16 2006-07-19 ソニー株式会社 通信方法、送信装置、受信装置及びセルラー無線通信システム
US6618096B1 (en) * 1997-09-29 2003-09-09 Scientific-Atlanta, Inc. System and method for adaptively balancing quadrature modulators for vestigial-sideband generation
US6433835B1 (en) 1998-04-17 2002-08-13 Encamera Sciences Corporation Expanded information capacity for existing communication transmission systems
US20030112370A1 (en) * 2001-12-18 2003-06-19 Chris Long Adaptive expanded information capacity for communications systems
US20030140351A1 (en) * 1998-04-17 2003-07-24 Hoarty W. Leo Cable television system compatible bandwidth upgrade using embedded digital channels
CN1070012C (zh) * 1998-08-04 2001-08-22 国家科学技术委员会高技术研究发展中心 全数字vsb调制器
US6313772B1 (en) * 1999-08-24 2001-11-06 Thomson Licensing S.A. Complex carrier signal generator for determining cyclic wave shape
KR100539862B1 (ko) * 2001-04-04 2005-12-28 삼성전자주식회사 부호분할다중접속 이동통신시스템에서 데이타 송/수신장치및 방법
US20020150123A1 (en) * 2001-04-11 2002-10-17 Cyber Operations, Llc System and method for network delivery of low bit rate multimedia content
US7327406B2 (en) * 2001-10-16 2008-02-05 Rfstream Corporation Methods and apparatus for implementing a receiver on a monolithic integrated circuit
US20030219085A1 (en) * 2001-12-18 2003-11-27 Endres Thomas J. Self-initializing decision feedback equalizer with automatic gain control
US7180942B2 (en) 2001-12-18 2007-02-20 Dotcast, Inc. Joint adaptive optimization of soft decision device and feedback equalizer
US7199844B2 (en) * 2002-05-28 2007-04-03 Rfstream Corporation Quadratic nyquist slope filter
CN1656678A (zh) * 2002-05-29 2005-08-17 Rf信息公司 镜像干扰抑制二次滤波器
US6882245B2 (en) * 2002-06-05 2005-04-19 Rf Stream Corporation Frequency discrete LC filter bank
JP2005535161A (ja) * 2002-06-05 2005-11-17 株式会社ＲｆＳｔｒｅａｍ ベースバンド・ナイキスト・フィルタによる二次映像復調
US7580482B2 (en) * 2003-02-19 2009-08-25 Endres Thomas J Joint, adaptive control of equalization, synchronization, and gain in a digital communications receiver
US6940365B2 (en) 2003-07-18 2005-09-06 Rfstream Corporation Methods and apparatus for an improved discrete LC filter
CA2546124C (en) * 2003-11-13 2017-04-11 Ncube Corporation System to provide markers to affect rendering and navigation of content on demand
JP2008533840A (ja) * 2005-03-11 2008-08-21 株式会社ＲｆＳｔｒｅａｍ 無線周波誘導容量性フィルタ回路トポロジー
US20060217095A1 (en) * 2005-03-11 2006-09-28 Takatsuga Kamata Wideband tuning circuit
US7358795B2 (en) * 2005-03-11 2008-04-15 Rfstream Corporation MOSFET temperature compensation current source
EP1739909A1 (en) * 2005-06-30 2007-01-03 STMicroelectronics N.V. Method and apparatus for reducing the interferences between a wide band device and a narrow band device interfering with said wide band device
EP1739908A1 (en) * 2005-06-30 2007-01-03 STMicroelectronics N.V. Method and apparatus for reducing the interferences between a wide band device and a narrow band interferer
CN101083504B (zh) * 2007-07-23 2011-09-07 沖电气（新加坡）技术中心 解调装置及其解调方法
US9094419B2 (en) * 2009-11-10 2015-07-28 Netgen Communications, Inc. Real-time facsimile transmission over a packet network
US20110166968A1 (en) * 2010-01-06 2011-07-07 Richard Yin-Ching Houng System and method for activating display device feature
KR20160037656A (ko) * 2014-09-29 2016-04-06 삼성전자주식회사 에러 검출기 및 발진기의 에러 검출 방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2202416A (en) * 1987-02-16 1988-09-21 British Broadcasting Corp Signal transmission system
EP0364285A2 (en) * 1988-10-13 1990-04-18 Massachusetts Institute Of Technology Television transmission
US4984067A (en) * 1988-08-31 1991-01-08 North American Philips Corporation HDNTSC signal transmission and reception with time and frequency multiplexing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5488632A (en) * 1990-03-30 1996-01-30 National Transcommunications Limited Transmission and reception in a hostile interference environment
US5063445A (en) * 1990-04-19 1991-11-05 Nippon Hoso Kyokai Multiple sub-sampling transmitting/receiving system performing interfield and interframe offset sub-sampling of a broad bandwidth television signal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2202416A (en) * 1987-02-16 1988-09-21 British Broadcasting Corp Signal transmission system
US4984067A (en) * 1988-08-31 1991-01-08 North American Philips Corporation HDNTSC signal transmission and reception with time and frequency multiplexing
EP0364285A2 (en) * 1988-10-13 1990-04-18 Massachusetts Institute Of Technology Television transmission

Also Published As

Publication number Publication date
SK83193A3 (en) 1994-07-06
MY109495A (en) 1997-02-28
CZ281295B6 (cs) 1996-08-14
ES2106856T3 (es) 1997-11-16
ES2142010T3 (es) 2000-04-01
WO1992014343A1 (en) 1992-08-20
CN1037803C (zh) 1998-03-18
EP0771123A3 (en) 1997-07-23
EP0771123A2 (en) 1997-05-02
CZ282390B6 (cs) 1997-07-16
PT100085B (pt) 1999-04-30
CA2101644A1 (en) 1992-08-05
AU1271192A (en) 1992-09-07
AU662126B2 (en) 1995-08-24
DK0771123T3 (da) 2000-06-05
RU2127493C1 (ru) 1999-03-10
DE69127828D1 (de) 1997-11-06
SK279904B6 (sk) 1999-05-07
ATE158916T1 (de) 1997-10-15
PT100085A (pt) 1994-04-29
DE69131995T2 (de) 2000-08-17
FI933457A0 (fi) 1993-08-03
DE69131995D1 (de) 2000-03-23
FI933457A (fi) 1993-08-03
HUT65171A (en) 1994-04-28
EP0570464B1 (en) 1997-10-01
KR100255719B1 (ko) 2000-05-01
EP0570464A1 (en) 1993-11-24
JP3384802B2 (ja) 2003-03-10
PL167627B1 (pl) 1995-10-31
DK0570464T3 (da) 1997-10-27
JPH06505372A (ja) 1994-06-16
KR930703793A (ko) 1993-11-30
BR9107276A (pt) 1994-04-05
CZ234494A3 (en) 1995-01-18
CN1063985A (zh) 1992-08-26
EP0771123B1 (en) 2000-02-16
EG19708A (en) 1996-02-29
MX9200475A (es) 1992-08-01
CZ152593A3 (en) 1994-12-15
US5287180A (en) 1994-02-15
HU9302245D0 (en) 1993-10-28
DE69127828T2 (de) 1998-03-05
TR28300A (tr) 1996-04-08

Similar Documents

Publication Publication Date Title
SG90697A1 (en) Modulator/demodulator for compatible high definition television system
CA2104025A1 (en) Hdtv compression system
AU6150790A (en) Digital signal processing system
SG66493G (en) System for transmitting a picture signal with a high temporal and spatial resolution
WO1992022170A3 (en) Digital television system with resolution enhancement
CA2128081A1 (en) Method and device for multi-format television
CA2296855A1 (en) Receiving and demodulating a digital television signal
EP0662767A3 (en) Video display system with a digital line deinterlacing circuit
WO1991002431A3 (en) Transmitting auxiliary information in a television signal
CA2195037A1 (en) System and method for encoding digital information in a television signal
EP1071286A4 (en) DEVICE AND METHOD FOR PROCESSING SIGNALS
GB2260232A (en) Broadcast receiver system
WO1992006563A3 (fr) Dispositif de codage de signaux numeriques correspondant a des images de television et dispositif de decodage correspondant
KR910700588A (ko) 종래의 텔레비젼 시스템과 양립 가능한 텔레비젼 전송 시스템
Saxton Throwing out the video trash
ES8500696A1 (es) Sistema de tratamiento de senales emitidas por un dispositivo- tomavistas de una camara de television en color, princi- palmente del tipo secam.
JPH1051774A (ja) 実質的に一定レートのディジタルビデオカメラと、このカメラを使用する伝送システム
EP0201909A3 (en) Procedure for automatic reading of images and device for carrying out this same procedure
EP0616470A3 (de) System zur Übertragung und Vorrichtung zum Empfang von digitalen Fernsehsignalen.
TH21890A (th) " เครื่องสำเร็จการถอดรหัสข้อมูลในระบบการเช่า การับสัญญาณโทรทัศน์ "