KR890006083A - 다중신호 처리장치 - Google Patents

다중신호 처리장치 Download PDF

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Publication number
KR890006083A
KR890006083A KR1019880012016A KR880012016A KR890006083A KR 890006083 A KR890006083 A KR 890006083A KR 1019880012016 A KR1019880012016 A KR 1019880012016A KR 880012016 A KR880012016 A KR 880012016A KR 890006083 A KR890006083 A KR 890006083A
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KR
South Korea
Prior art keywords
carrier
signal
modulating
output
filter
Prior art date
Application number
KR1019880012016A
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English (en)
Other versions
KR910006857B1 (ko
Inventor
쇼우지 이노우에
요시오 야스모도
사다시 가게야마
히데요 우와바다
요시오 아베
Original Assignee
다니이 아끼오
마쯔시다덴기산교 가부시기가이샤
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
Priority claimed from JP62235147A external-priority patent/JPS6478088A/ja
Priority claimed from JP62325870A external-priority patent/JPH01168184A/ja
Priority claimed from JP62325868A external-priority patent/JPH01168182A/ja
Priority claimed from JP63134977A external-priority patent/JPH01303986A/ja
Application filed by 다니이 아끼오, 마쯔시다덴기산교 가부시기가이샤 filed Critical 다니이 아끼오
Publication of KR890006083A publication Critical patent/KR890006083A/ko
Application granted granted Critical
Publication of KR910006857B1 publication Critical patent/KR910006857B1/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/06—Systems for the simultaneous transmission of one television signal, i.e. both picture and sound, by more than one carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/0803—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division using frequency interleaving, e.g. with precision offset

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Picture Signal Circuits (AREA)
  • Transmitters (AREA)

Abstract

내용 없음

Description

다중신호처리장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제3도, 제5도는 송신측면에서의 다중신호처리장치의 상세한 블록도.
제4도는 수신측면에서의 다중신호재생기의 상세한 블록도.
* 도면의 주요부분에 대한 부호의 설명
1 : 주신호발생기 3 : 진폭변조기
4 : VSB 필터 5 : 가산기
6 : 발진기 7 : 이상기
8 : 다중신호발생기 9 : 다중신호처리회로
11 : 진폭변조기 12 : 역나이퀴스트필터
13 : 다중신호중첩회로 15 : 송신기
20 : 승산기 21 : 필터
22 : 발진기 23 : 가산기
24 : 극성역전회로 42 : 튜너
43 : 나이퀴스필터 44 : 영상검출기
45 : 반송파재생기 46 : 이상기
47 : 필터 48 : 다중신호검출기
49 : 다중신호분배기 52 : 주신호프로세서
53 : 다중신호재생기 54 : 다중신호프로세서
55, 56 : 지연회로 66 : 휘도색신호분배기
61 : 누화제거필터 67 : 극성역전회로

Claims (3)

  1. 주신호에 의해 제1반송파를 변조하는 수단과, 다중신호의 주파수 또는 극성의 적어도 어느 하나를 역전하는 수단과, 상기 역전수단의 출력에 의해 제1반송파와 다른 위상을 가지는 제2반송파를 변조하는 수단으로 이루어진 것을 특징으로 하는 송신측면에서의 다중신호처리장치.
  2. 제1항에 있어서, 상기 장치는 잔류측대역신호를 형성하도록 제2반송파변조수단에서의 출력을 여과하는 나이퀴스트특징을 가지는 역나이퀴스트필터로 이루어지는 것을 특징으로 하는 다중신호처리장치.
  3. 주 신호에 의해 제1반송파를 변조하여 형성된 신호와, 주신호를 얻도록 제1반송파의 동상성분을 동기하여 검출하고, 다중신호의 주파수 또는 극성의 적어도 어느 하나가 역전된 신호에 의해 제1반송파와 다른 위상을 가지는 제2반송파를 변조하여 형성된 신호로 합성된 신호를 수용 하는 제1동기 검출수단과, 제2반송파의 동상 성분을 동기하여 검출해서 다중신호를 얻는 제2동기검출수단과, 상기 제2검출수단의 출력으로부터 주신호에서의 누화를 제거하는 필터와, 상기 필터에서의 출력의 주파수 또는 극성의 적어도 어느 하나를 역전하는 수단으로 이루어진 것을 특징으로 하는 수신측면에서의 다중신호처리장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880012016A 1987-09-18 1988-09-16 다중신호처리장치 KR910006857B1 (ko)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP62235147A JPS6478088A (en) 1987-09-18 1987-09-18 Television signal processor
JP87-235147 1987-09-18
JP62-235147 1987-09-18
JP87-325870 1987-12-23
JP62325870A JPH01168184A (ja) 1987-12-23 1987-12-23 画枠拡大テレビ信号受信装置
JP87-325868 1987-12-23
JP62325868A JPH01168182A (ja) 1987-12-23 1987-12-23 画枠拡大テレビ信号処理装置
JP88-134977 1988-06-01
JP63134977A JPH01303986A (ja) 1988-06-01 1988-06-01 テレビジョン信号処理方法

Publications (2)

Publication Number Publication Date
KR890006083A true KR890006083A (ko) 1989-05-18
KR910006857B1 KR910006857B1 (ko) 1991-09-07

Family

ID=27471877

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880012016A KR910006857B1 (ko) 1987-09-18 1988-09-16 다중신호처리장치

Country Status (5)

Country Link
US (1) US4907218A (ko)
EP (1) EP0308241B1 (ko)
KR (1) KR910006857B1 (ko)
CA (1) CA1297580C (ko)
DE (1) DE3887607T2 (ko)

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JPH0744512B2 (ja) * 1990-03-23 1995-05-15 株式会社小電力高速通信研究所 空間分割型多重通信方式
DE69124142T2 (de) * 1990-06-06 1997-07-10 Philips Electronics Nv Erweitertes Fernsehsystem mit Letterboxverfahren
US5177611A (en) * 1990-07-31 1993-01-05 Rca Licensing Corporation Method and apparatus for canceling quadrature distortion as for video signals having in-phase and quadrature phase components
US5095539A (en) * 1990-08-20 1992-03-10 Amaf Industries, Inc. System and method of control tone amplitude modulation in a linked compression-expansion (Lincomplex) system
US5831679A (en) * 1991-06-14 1998-11-03 Wavephore, Inc. Network for retrieval and video transmission of information
US5327237A (en) * 1991-06-14 1994-07-05 Wavephore, Inc. Transmitting data with video
US5559559A (en) * 1991-06-14 1996-09-24 Wavephore, Inc. Transmitting a secondary signal with dynamic injection level control
US5387941A (en) * 1991-06-14 1995-02-07 Wavephore, Inc. Data with video transmitter
JPH06292156A (ja) * 1992-06-30 1994-10-18 Matsushita Electric Ind Co Ltd テレビジョン信号処理装置
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
US6204810B1 (en) 1997-05-09 2001-03-20 Smith Technology Development, Llc Communications 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
US6433835B1 (en) 1998-04-17 2002-08-13 Encamera Sciences Corporation Expanded information capacity for existing communication transmission systems
US20030140351A1 (en) * 1998-04-17 2003-07-24 Hoarty W. Leo Cable television system compatible bandwidth upgrade using embedded digital channels
US20030112370A1 (en) * 2001-12-18 2003-06-19 Chris Long Adaptive expanded information capacity for communications systems
US6201786B1 (en) * 1998-06-29 2001-03-13 Northrop Grumman Corporation Adaptable and controllable multi-channel data link
US6154451A (en) * 1998-06-29 2000-11-28 Northrop Grumman Corporation Method for dissemination of multi-sensor products
US6263027B1 (en) * 1998-09-25 2001-07-17 Conexant Systems, Inc. Modulator and process for minimizing power consumption and communication system employing same
US6886181B1 (en) * 2000-07-07 2005-04-26 Critical Telecom Corp. Extended distribution of ADSL signals
US20020031113A1 (en) * 2000-07-07 2002-03-14 Dodds David E. Extended distribution of ADSL signals
US7180942B2 (en) 2001-12-18 2007-02-20 Dotcast, Inc. Joint adaptive optimization of soft decision device and feedback equalizer
US20030219085A1 (en) * 2001-12-18 2003-11-27 Endres Thomas J. Self-initializing decision feedback equalizer with automatic gain control
WO2004075469A2 (en) * 2003-02-19 2004-09-02 Dotcast Inc. Joint, adaptive control of equalization, synchronization, and gain in a digital communications receiver
US9356643B2 (en) 2011-12-29 2016-05-31 Rf Micro Devices, Inc. RF duplexing device
US9319208B2 (en) * 2012-01-10 2016-04-19 Rf Micro Devices, Inc. RF duplexing device

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BE519579A (ko) * 1952-05-01
US2795643A (en) * 1952-12-31 1957-06-11 Rca Corp Crosstalk reduction system for color receivers
DE1791174B1 (de) * 1968-09-26 1971-06-03 Telefunken Patent Entzerrerschaltung zur Beseitigung von linearen Verzerrungen
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US4051532A (en) * 1975-06-19 1977-09-27 Matsushita Electric Company Of America Auxiliary signal processing circuit for television receivers
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US4384364A (en) * 1980-04-04 1983-05-17 Bell Telephone Laboratories, Incorporated Quadrature modulation arrangement with enhanced dynamic amplification range
JPS6386988A (ja) * 1986-09-30 1988-04-18 Matsushita Electric Ind Co Ltd テレビジヨン信号処理方法

Also Published As

Publication number Publication date
US4907218A (en) 1990-03-06
CA1297580C (en) 1992-03-17
EP0308241B1 (en) 1994-02-02
KR910006857B1 (ko) 1991-09-07
DE3887607D1 (de) 1994-03-17
EP0308241A2 (en) 1989-03-22
DE3887607T2 (de) 1994-06-30
EP0308241A3 (en) 1990-05-30

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