CN1249989C - 用于减少电视信号中的多径失真的方法和设备 - Google Patents

用于减少电视信号中的多径失真的方法和设备 Download PDF

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Publication number
CN1249989C
CN1249989C CN 00812511 CN00812511A CN1249989C CN 1249989 C CN1249989 C CN 1249989C CN 00812511 CN00812511 CN 00812511 CN 00812511 A CN00812511 A CN 00812511A CN 1249989 C CN1249989 C CN 1249989C
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CN
China
Prior art keywords
signal
space
unique
multipath
coupled
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
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CN 00812511
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English (en)
Chinese (zh)
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CN1399843A (zh
Inventor
T·H·B·克拉诺
E·A·哈尔
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Thomson Licensing SAS
International Digital Madison Patent Holding SAS
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Thomson Licensing SAS
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Publication of CN1399843A publication Critical patent/CN1399843A/zh
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Publication of CN1249989C publication Critical patent/CN1249989C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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)
  • Radio Relay Systems (AREA)
  • Picture Signal Circuits (AREA)
CN 00812511 1999-09-08 2000-09-08 用于减少电视信号中的多径失真的方法和设备 Expired - Lifetime CN1249989C (zh)

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 Child Applications (1)

Application Number Title Priority Date Filing Date
CN 200510097624 Division CN1734837A (zh) 1999-09-08 2000-09-08 用于减少电视信号中的多径失真的方法和设备

Publications (2)

Publication Number Publication Date
CN1399843A CN1399843A (zh) 2003-02-26
CN1249989C true CN1249989C (zh) 2006-04-05

Family

ID=22544757

Family Applications (2)

Application Number Title Priority Date Filing Date
CN 00812511 Expired - Lifetime CN1249989C (zh) 1999-09-08 2000-09-08 用于减少电视信号中的多径失真的方法和设备
CN 200510097624 Pending CN1734837A (zh) 1999-09-08 2000-09-08 用于减少电视信号中的多径失真的方法和设备

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN 200510097624 Pending CN1734837A (zh) 1999-09-08 2000-09-08 用于减少电视信号中的多径失真的方法和设备

Country Status (8)

Country Link
EP (1) EP1219109A2 (enExample)
JP (1) JP2003513486A (enExample)
KR (2) KR20020033788A (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

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5931241B2 (ja) * 1975-11-12 1984-08-01 松下電器産業株式会社 ゴ−ストジヨキヨソウチ
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
AU532289B2 (en) * 1978-12-21 1983-09-22 Sony Corporation Segmented loop antenna system
US4397041A (en) * 1980-03-03 1983-08-02 Pioneer Electronic Corporation Complex antenna system and FM/AM receiver
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
EP0806844B1 (en) * 1995-11-29 2006-08-23 NTT DoCoMo, Inc. Diversity receiver and control method therefor

Also Published As

Publication number Publication date
AU7361600A (en) 2001-04-10
KR20050095903A (ko) 2005-10-04
JP2003513486A (ja) 2003-04-08
CN1399843A (zh) 2003-02-26
KR100742172B1 (ko) 2007-07-25
WO2001019075A2 (en) 2001-03-15
KR20020033788A (ko) 2002-05-07
MXPA02002405A (es) 2002-08-28
DE60043312D1 (de) 2009-12-24
WO2001019075A3 (en) 2001-09-20
EP1219109A2 (en) 2002-07-03
CN1734837A (zh) 2006-02-15

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Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20030226

Assignee: Sony (China) Ltd.

Assignor: Sony Corp.

Contract record no.: 2012990000575

Denomination of invention: Method and apparatus for reducing multipath distortion in a television signal

Granted publication date: 20060405

License type: Common License

Record date: 20120806

EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20030226

Assignee: Sony (China) Ltd.

Assignor: Sony Corp.

Contract record no.: 2012990000575

Denomination of invention: Method and apparatus for reducing multipath distortion in a television signal

Granted publication date: 20060405

License type: Common License

Record date: 20120806

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CP02 Change in the address of a patent holder

Address after: I Si Eli Murli Nor, France

Patentee after: THOMSON LICENSING S.A.

Address before: French Boulogne

Patentee before: THOMSON LICENSING S.A.

CP02 Change in the address of a patent holder
TR01 Transfer of patent right

Effective date of registration: 20190125

Address after: Paris France

Patentee after: International Digital Madison Patent Holding Co.

Address before: I Si Eli Murli Nor, France

Patentee before: THOMSON LICENSING

Effective date of registration: 20190125

Address after: I Si Eli Murli Nor, France

Patentee after: THOMSON LICENSING

Address before: I Si Eli Murli Nor, France

Patentee before: THOMSON LICENSING S.A.

TR01 Transfer of patent right
CX01 Expiry of patent term

Granted publication date: 20060405

CX01 Expiry of patent term