CA2084973A1 - Appareil a antenne de reception d'emissions transmises par satellite - Google Patents
Appareil a antenne de reception d'emissions transmises par satelliteInfo
- Publication number
- CA2084973A1 CA2084973A1 CA2084973A CA2084973A CA2084973A1 CA 2084973 A1 CA2084973 A1 CA 2084973A1 CA 2084973 A CA2084973 A CA 2084973A CA 2084973 A CA2084973 A CA 2084973A CA 2084973 A1 CA2084973 A1 CA 2084973A1
- Authority
- CA
- Canada
- Prior art keywords
- gain
- satellite
- tuners
- search
- antenna apparatus
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/38—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
- G01S3/48—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3350102A JP2544691B2 (ja) | 1991-12-10 | 1991-12-10 | 衛星放送受信アンテナ装置 |
JP03-350102 | 1991-12-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2084973A1 true CA2084973A1 (fr) | 1993-06-11 |
CA2084973C CA2084973C (fr) | 1996-06-04 |
Family
ID=18408248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002084973A Expired - Fee Related CA2084973C (fr) | 1991-12-10 | 1992-12-09 | Appareil a antenne de reception d'emissions transmises par satellite |
Country Status (5)
Country | Link |
---|---|
US (1) | US5422648A (fr) |
EP (1) | EP0546515A1 (fr) |
JP (1) | JP2544691B2 (fr) |
KR (1) | KR960016370B1 (fr) |
CA (1) | CA2084973C (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10135707A (ja) * | 1996-10-24 | 1998-05-22 | Ngk Spark Plug Co Ltd | 誘電体フィルタ |
AU2228897A (en) * | 1997-03-11 | 1998-09-29 | Orbit Communications, Tracking And Telemetry Ltd. | Satellite tracking system |
KR100429964B1 (ko) | 1999-01-28 | 2004-05-03 | 샤프 가부시키가이샤 | 안테나 시스템 |
US6236361B1 (en) * | 1999-04-29 | 2001-05-22 | Hughes Electronics Corporation | Precision beacon tracking system |
US6640085B1 (en) | 1999-09-01 | 2003-10-28 | Xm Satellite Radio Inc. | Electronically steerable antenna array using user-specified location data for maximum signal reception based on elevation angle |
CN1263322C (zh) * | 2003-08-06 | 2006-07-05 | 大唐移动通信设备有限公司 | Td-scdma移动通信系统小区初始搜索中的增益控制方法 |
KR100713202B1 (ko) * | 2003-12-23 | 2007-05-02 | 주식회사 케이엠더블유 | 이동통신 기지국 안테나 빔 제어장치 |
JP3864974B2 (ja) | 2005-01-18 | 2007-01-10 | 株式会社村田製作所 | 誘電体フィルタ、誘電体デュプレクサおよび通信装置 |
KR100765633B1 (ko) * | 2006-07-31 | 2007-10-10 | 현대자동차주식회사 | 차량용 gps 안테나의 수평 유지 장치 |
CN105591686B (zh) * | 2015-12-29 | 2018-09-28 | 天通盛邦通信科技(苏州)有限公司 | 一种用于移动卫星通信系统的自适应抗扰对星方法 |
JP6581144B2 (ja) * | 2017-04-28 | 2019-09-25 | 株式会社東芝 | 衛星捕捉装置および衛星捕捉方法 |
CN112993517B (zh) | 2019-12-16 | 2024-03-29 | 株式会社东芝 | 卫星捕捉装置以及卫星捕捉方法 |
US11871364B2 (en) * | 2021-06-16 | 2024-01-09 | Qualcomm Incorporated | Power headroom reporting with grating lobes |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3206754A (en) * | 1962-11-09 | 1965-09-14 | Gen Dynamics Corp | Ambiguity elimination of directional antenna |
US3197771A (en) * | 1964-11-19 | 1965-07-27 | Alfred I Mintzer | Signal detection, thresholding and switching system |
US4030099A (en) * | 1974-12-12 | 1977-06-14 | Westinghouse Electric Corporation | Digital antenna control apparatus for a communications terminal |
US4331960A (en) * | 1980-03-03 | 1982-05-25 | Anaren Microwave, Incorporated | Automatic tracking methods and apparatus |
US4801940A (en) * | 1985-10-30 | 1989-01-31 | Capetronic (Bsr) Ltd. | Satellite seeking system for earth-station antennas for TVRO systems |
JPS6446670A (en) * | 1987-08-17 | 1989-02-21 | Mitsubishi Electric Corp | Satellite initial acquiring method |
JPH01184482A (ja) * | 1988-01-18 | 1989-07-24 | Nec Corp | 衛星信号捕捉装置 |
DE68913676T2 (de) * | 1988-12-13 | 1994-07-21 | Nippon Steel Corp | Antennensystem mit Richtungsverfolgung. |
JP2902407B2 (ja) * | 1989-03-24 | 1999-06-07 | 新日本製鐵株式会社 | アンテナ装置 |
JP2641544B2 (ja) * | 1988-12-13 | 1997-08-13 | 新日本製鐵株式会社 | 受信アンテナの姿勢制御方法および装置 |
JP2543974B2 (ja) * | 1989-02-07 | 1996-10-16 | 宇宙開発事業団 | 宇宙航行体のアンテナ追尾装置 |
JPH02216074A (ja) * | 1989-02-15 | 1990-08-28 | Nec Corp | アンテナサイドローブロック判定器 |
US5061936A (en) * | 1989-09-14 | 1991-10-29 | Aisin Seiki K.K. | Attitude control system for mobile antenna |
-
1991
- 1991-12-10 JP JP3350102A patent/JP2544691B2/ja not_active Expired - Lifetime
-
1992
- 1992-12-09 EP EP92120974A patent/EP0546515A1/fr not_active Withdrawn
- 1992-12-09 CA CA002084973A patent/CA2084973C/fr not_active Expired - Fee Related
- 1992-12-09 KR KR1019920023723A patent/KR960016370B1/ko not_active IP Right Cessation
- 1992-12-10 US US07/988,887 patent/US5422648A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR960016370B1 (ko) | 1996-12-09 |
JP2544691B2 (ja) | 1996-10-16 |
EP0546515A1 (fr) | 1993-06-16 |
US5422648A (en) | 1995-06-06 |
KR930015184A (ko) | 1993-07-24 |
CA2084973C (fr) | 1996-06-04 |
JPH0697721A (ja) | 1994-04-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |