KR100742172B1 - 텔레비전 신호에서 다중 경로 왜곡을 저감하기 위한 방법및 장치 - Google Patents

텔레비전 신호에서 다중 경로 왜곡을 저감하기 위한 방법및 장치 Download PDF

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Publication number
KR100742172B1
KR100742172B1 KR1020057016774A KR20057016774A KR100742172B1 KR 100742172 B1 KR100742172 B1 KR 100742172B1 KR 1020057016774 A KR1020057016774 A KR 1020057016774A KR 20057016774 A KR20057016774 A KR 20057016774A KR 100742172 B1 KR100742172 B1 KR 100742172B1
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South Korea
Prior art keywords
signal
antenna
television
loop
multipath
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Korean (ko)
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KR20050095903A (ko
Inventor
토마스 하워드 브루스 크라노
애드워드 알렌 홀
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톰슨 라이센싱
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • H01Q9/265—Open ring dipoles; Circular dipoles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • 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
    • H04N5/211—Ghost signal cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Noise Elimination (AREA)
  • Picture Signal Circuits (AREA)
  • Radio Relay Systems (AREA)
KR1020057016774A 1999-09-08 2000-09-08 텔레비전 신호에서 다중 경로 왜곡을 저감하기 위한 방법및 장치 Expired - Lifetime KR100742172B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15285999P 1999-09-08 1999-09-08
US60/152,859 1999-09-08

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020027003094A Division KR20020033788A (ko) 1999-09-08 2000-09-08 텔레비전 신호에서 다중 경로 왜곡을 저감하기 위한 방법및 장치

Publications (2)

Publication Number Publication Date
KR20050095903A KR20050095903A (ko) 2005-10-04
KR100742172B1 true KR100742172B1 (ko) 2007-07-25

Family

ID=22544757

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020057016774A Expired - Lifetime KR100742172B1 (ko) 1999-09-08 2000-09-08 텔레비전 신호에서 다중 경로 왜곡을 저감하기 위한 방법및 장치
KR1020027003094A Ceased KR20020033788A (ko) 1999-09-08 2000-09-08 텔레비전 신호에서 다중 경로 왜곡을 저감하기 위한 방법및 장치

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020027003094A Ceased KR20020033788A (ko) 1999-09-08 2000-09-08 텔레비전 신호에서 다중 경로 왜곡을 저감하기 위한 방법및 장치

Country Status (8)

Country Link
EP (1) EP1219109A2 (enExample)
JP (1) JP2003513486A (enExample)
KR (2) KR100742172B1 (enExample)
CN (2) CN1249989C (enExample)
AU (1) AU7361600A (enExample)
DE (1) DE60043312D1 (enExample)
MX (1) MXPA02002405A (enExample)
WO (1) WO2001019075A2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7034893B2 (en) 2001-03-30 2006-04-25 Broadcom Corporation Method and apparatus for reception of terrestrial digital television signals
DE10224536B4 (de) * 2002-05-31 2009-04-23 Harman Becker Automotive Systems (Xsys Division) Gmbh Verfahren und Schaltungsanordnung zum Mehrwegeempfang
KR100482286B1 (ko) * 2002-09-27 2005-04-13 한국전자통신연구원 선택형 빔형성을 통해 수신성능을 개선하는 디지털 방송수신 장치
KR100500661B1 (ko) 2003-06-14 2005-07-12 한국전자통신연구원 디지털 ｔｖ 수신기의 최적 빔 선택 장치 및 그 방법
US7026989B1 (en) * 2004-01-23 2006-04-11 Itt Manufacturing Enterprises, Inc. Methods and apparatus for shaping antenna beam patterns of phased array antennas
KR100583240B1 (ko) 2004-11-26 2006-05-25 한국전자통신연구원 디지털 방송 수신 성능 개선을 위한 최적의 빔 선택 방법및 그를 이용한 디지털 방송 수신 장치
US7714780B2 (en) * 2006-03-10 2010-05-11 Broadcom Corporation Beamforming RF circuit and applications thereof
CN104900990B (zh) * 2015-06-09 2019-04-23 联想(北京)有限公司 天线和包括该天线的电子设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100496A (en) * 1975-11-12 1978-07-11 Matsushita Electric Industrial Co., Ltd. Ghost cancellation device
US4338606A (en) * 1978-12-21 1982-07-06 Sony Corporation Antenna system with variable directivity
KR19980701743A (ko) * 1995-11-29 1998-06-25 구라모토 미노루 다이버시티 수신기 및 그 제어 방법

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121219A (en) * 1976-04-12 1978-10-17 Connor Gerald O Dipole resonent loop antenna
JPS5585106A (en) * 1978-12-21 1980-06-26 Sony Corp Antenna unit
GB2089578B (en) * 1980-03-03 1984-10-10 Pioneer Electronic Corp Complex antenna system
JPS5913442A (ja) * 1982-07-14 1984-01-24 Nec Corp 信号分散最小型スペ−ス・ダイバ−シテイ−装置
JPS5913441A (ja) * 1982-07-14 1984-01-24 Nec Corp 干渉波消去型スペ−スダイバ−シテイ−装置
DE3427629A1 (de) * 1984-07-26 1986-01-30 Siemens AG, 1000 Berlin und 8000 München Ringantenne in gedruckter schaltungstechnik
JPH069342B2 (ja) * 1985-09-24 1994-02-02 日産自動車株式会社 アンテナ装置
JPS62100034A (ja) * 1985-10-26 1987-05-09 Toshiba Corp 妨害波除去装置の妨害周波数検出回路
GB2257605A (en) * 1991-07-12 1993-01-13 Paul Victor Brennan Diversity antenna system
JPH0879570A (ja) * 1994-09-09 1996-03-22 Hitachi Ltd テレビジョン受像機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100496A (en) * 1975-11-12 1978-07-11 Matsushita Electric Industrial Co., Ltd. Ghost cancellation device
US4338606A (en) * 1978-12-21 1982-07-06 Sony Corporation Antenna system with variable directivity
KR19980701743A (ko) * 1995-11-29 1998-06-25 구라모토 미노루 다이버시티 수신기 및 그 제어 방법

Also Published As

Publication number Publication date
AU7361600A (en) 2001-04-10
EP1219109A2 (en) 2002-07-03
CN1399843A (zh) 2003-02-26
CN1249989C (zh) 2006-04-05
KR20020033788A (ko) 2002-05-07
MXPA02002405A (es) 2002-08-28
CN1734837A (zh) 2006-02-15
WO2001019075A2 (en) 2001-03-15
KR20050095903A (ko) 2005-10-04
JP2003513486A (ja) 2003-04-08
WO2001019075A3 (en) 2001-09-20
DE60043312D1 (de) 2009-12-24

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