KR100610566B1 - 자동 이득-제어 vhf/uhf 안테나 동조 장치 - Google Patents
자동 이득-제어 vhf/uhf 안테나 동조 장치 Download PDFInfo
- Publication number
- KR100610566B1 KR100610566B1 KR1020007006065A KR20007006065A KR100610566B1 KR 100610566 B1 KR100610566 B1 KR 100610566B1 KR 1020007006065 A KR1020007006065 A KR 1020007006065A KR 20007006065 A KR20007006065 A KR 20007006065A KR 100610566 B1 KR100610566 B1 KR 100610566B1
- Authority
- KR
- South Korea
- Prior art keywords
- vhf
- uhf
- antenna
- amplifier
- signal
- Prior art date
Links
- 230000004044 response Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 241000283973 Oryctolagus cuniculus Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
- H03J5/244—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/25—Ultra-wideband [UWB] systems, e.g. multiple resonance systems; Pulse systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/321—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
-
- 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
- H01Q9/06—Details
- H01Q9/14—Length of element or elements adjustable
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
- H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
- H03J5/246—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection using electronic means
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Details Of Aerials (AREA)
- Control Of Amplification And Gain Control (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (2)
- VHF/UHF 신호를 위한 동조 장치에 있어서,VHF/UHF 입력 신호 소스와,상기 입력 신호를 증폭하기 위한 증폭기와,상기 증폭기의 이득을 제어하기 위한, 상기 증폭기를 구비하는 자동 이득 제어(AGC) 장치와,상기 입력 신호 소스와 상기 증폭기 사이에 임피던스 매칭을 제공하기 위해서, 상기 VHF/UHF 입력 신호 소스와 상기 증폭기 사이에 연결된 다수의 매칭 네트워크를 포함하되,상기 다수의 매칭 네트워크 각각은 다수의 수신 가능한 방송 채널을 구비하는 각각의 RF 신호 그룹을 상기 AGC 장치에 독점적으로 제공하고,상기 증폭기의 이득은 상기 RF 신호 그룹의 레벨에 따라 제어되는,VHF/UHF 신호를 위한 동조 장치.
- 수신기에 VHF/UHF 신호를 제공하기 위한 안테나 시스템에서, 상기 수신기는 각 방송 채널에 대응하는 각각의 상기 VHF/UHF 신호를 선택하기 위한 제어 신호를 생성하기 위한 원격 제어 송신기를 구비하는, 상기 안테나 시스템에 있어서,상기 안테나와 상기 출력 회로 사이에 임피던스 매칭을 제공하기 위해서, 상기 안테나가 연결될 수 있는 입력단과 상기 출력 회로 사이에 연결된 다수의 매칭 네트워크로서, 상기 다수의 매칭 네트워크 각각은 다수의 수신 가능한 방송 채널을 구비하는 각각의 RF 신호 그룹을 상기 출력 회로에 독점적으로 제공하는, 상기 매칭 네트워크, 및상기 다수의 매칭 네트워크에 연결되고, 각각의 채널에 대응하는 상기 각각의 VHF/UHF 신호를 선택하기 위해서, 상기 원격 제어 송신기에 의해 생성된 상기 제어 신호에 응답하여, 상기 다수의 매칭 네트워크들 중 하나의 네트워크를 선택하기 위한 제어 수단을 포함하는,수신기에 VHF/UHF 신호를 제공하기 위한 안테나 시스템.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6762097P | 1997-12-05 | 1997-12-05 | |
US10074398P | 1998-09-17 | 1998-09-17 | |
US60/067,620 | 1998-09-17 | ||
US60/100,743 | 1998-09-17 | ||
PCT/US1998/025748 WO1999030417A1 (en) | 1997-12-05 | 1998-12-04 | Automatic gain-controlled vhf/uhf antenna tuning apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010040289A KR20010040289A (ko) | 2001-05-15 |
KR100610566B1 true KR100610566B1 (ko) | 2006-08-09 |
Family
ID=26748089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020007006065A KR100610566B1 (ko) | 1997-12-05 | 1998-12-04 | 자동 이득-제어 vhf/uhf 안테나 동조 장치 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6429828B1 (ko) |
EP (3) | EP1036425B1 (ko) |
JP (2) | JP2001526483A (ko) |
KR (1) | KR100610566B1 (ko) |
CN (2) | CN1120546C (ko) |
AU (2) | AU1626799A (ko) |
CA (2) | CA2319325C (ko) |
DE (2) | DE69811272T2 (ko) |
WO (2) | WO1999030417A1 (ko) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10015315B4 (de) * | 2000-03-28 | 2015-02-05 | Robert Bosch Gmbh | Antennenverstärker und regelbares Stellglied |
KR200217332Y1 (ko) * | 2000-11-03 | 2001-03-15 | 안동식 | 텔레비전 수신카드용 평면형 광대역 대수 주기 다이폴안테나 |
GB0110193D0 (en) * | 2001-04-26 | 2001-06-20 | Mitel Semiconductor Ltd | Radio frequency interface |
US6870505B2 (en) | 2002-07-01 | 2005-03-22 | Integral Technologies, Inc. | Multi-segmented planar antenna with built-in ground plane |
JP3915674B2 (ja) | 2002-11-20 | 2007-05-16 | 松下電器産業株式会社 | 整合器 |
WO2004082181A1 (ja) * | 2003-03-10 | 2004-09-23 | Matsushita Electric Industrial Co., Ltd. | Ofdm信号の送信方法、送信装置及び受信装置 |
JP4292914B2 (ja) | 2003-08-07 | 2009-07-08 | パナソニック株式会社 | 携帯受信装置とこれに用いる分波器 |
US20050225490A1 (en) * | 2003-09-25 | 2005-10-13 | Cheng-Si Wang | Aerial having a dual antenna set and a lamp |
JP2005159827A (ja) * | 2003-11-27 | 2005-06-16 | Nec Access Technica Ltd | 複数放送波を受信可能な携帯電話機 |
JP4389694B2 (ja) * | 2004-06-28 | 2009-12-24 | ソニー株式会社 | 無線通信システム、無線通信装置及び無線通信方法、並びにコンピュータ・プログラム |
US20060050184A1 (en) * | 2004-09-09 | 2006-03-09 | General Instrument Corporation | Hot/cold swappable consumer based tuner/demod/fec module |
US7091925B1 (en) * | 2005-01-28 | 2006-08-15 | Trans Electric Co., Ltd. | Flat indoor UHF antenna device for a digital television |
JP2006295876A (ja) * | 2005-03-15 | 2006-10-26 | Matsushita Electric Ind Co Ltd | アンテナ装置およびそれを用いた無線通信機 |
JP4827260B2 (ja) * | 2005-03-18 | 2011-11-30 | 国立大学法人九州大学 | 通信回路、インピーダンス整合回路、インピーダンス整合回路を生産する方法、及び、インピーダンス整合回路の設計方法 |
US7268735B2 (en) * | 2005-12-23 | 2007-09-11 | Chin-Yuan Chung | Antenna structure |
JP2007221774A (ja) * | 2006-01-23 | 2007-08-30 | Yokowo Co Ltd | 平面型アンテナ |
KR100742097B1 (ko) * | 2006-03-20 | 2007-07-24 | 주식회사 이엠따블유안테나 | Vhf 및 uhf 신호 수신용 이중대역 안테나 |
CN101267060B (zh) * | 2007-03-15 | 2012-05-02 | 太盟光电科技股份有限公司 | 极小型化的数字信号接收天线 |
CA2725313C (en) * | 2008-05-23 | 2015-10-20 | Audiovox Corporation | Omni-directional, multi-polarity, low profile planar antenna |
TWI357687B (en) * | 2008-07-31 | 2012-02-01 | Avermedia Tech Inc | Digital tv antenna |
CN101345340B (zh) * | 2008-08-20 | 2012-06-20 | 圆刚科技股份有限公司 | 数字电视天线 |
CN101646030A (zh) * | 2009-05-15 | 2010-02-10 | 上海闻泰电子科技有限公司 | 一种扩展模拟电视天线带宽的电路设计方法 |
US8427337B2 (en) * | 2009-07-10 | 2013-04-23 | Aclara RF Systems Inc. | Planar dipole antenna |
US8736500B1 (en) * | 2009-08-05 | 2014-05-27 | Radioshack Corporation | Loop antenna with impedance matching |
TW201132119A (en) | 2010-03-15 | 2011-09-16 | Asustek Comp Inc | Differential antenna and associated circuit control system applied to digital television |
DK2552017T3 (en) * | 2011-07-26 | 2018-05-28 | Oticon As | Method of reducing the minimum operating range of a communication connection |
CN105659432B (zh) | 2013-08-20 | 2018-09-04 | 沃克斯国际有限公司 | 超薄柔性宽带低轮廓平面导线天线 |
CN103647157B (zh) * | 2013-11-25 | 2016-03-16 | 成都九华圆通科技发展有限公司 | 开关分体式射频天线 |
US10224592B2 (en) | 2015-07-29 | 2019-03-05 | Voxx International Corporation | Stand for planar antenna |
KR102583111B1 (ko) | 2017-02-02 | 2023-09-27 | 삼성전자주식회사 | 방송수신장치 |
WO2018213826A1 (en) * | 2017-05-19 | 2018-11-22 | Voxx International Corporation | Wifi and bluetooth smart indoor/outdoor antenna with automatic motorized and app control |
CN108539388B (zh) * | 2018-02-10 | 2023-12-29 | 广州司南技术有限公司 | 一种耦合振子、天线及其应用 |
CN108808215B (zh) * | 2018-06-28 | 2024-03-22 | 广东中元创新科技有限公司 | 一种具有氛围效果的背光型天线 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4041400A (en) * | 1976-02-23 | 1977-08-09 | Sperry Electronics Ltd. | Television remote control system |
US5513387A (en) * | 1992-06-16 | 1996-04-30 | Matsushita Electric Industrial Co., Ltd. | Automatic gain control circuit |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3710337A (en) * | 1970-03-24 | 1973-01-09 | Jfd Electronics Corp | Miniature tv antenna |
US3887925A (en) * | 1973-07-31 | 1975-06-03 | Itt | Linearly polarized phased antenna array |
US4339827A (en) * | 1980-11-25 | 1982-07-13 | Rca Corporation | Automatic tuning circuit arrangement with switched impedances |
DE3108993C2 (de) * | 1981-03-10 | 1985-08-29 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | HF-Eingangsfilterschaltung eines Tuners |
DE3538921A1 (de) * | 1985-11-02 | 1987-05-14 | Telefunken Electronic Gmbh | Fernsehtuner |
US4758843A (en) * | 1986-06-13 | 1988-07-19 | General Electric Company | Printed, low sidelobe, monopulse array antenna |
KR900009111B1 (ko) | 1986-11-07 | 1990-12-22 | 야기 안테나 가부시기가이샤 | 필름형 안테나 장치 |
IT1216927B (it) * | 1987-04-09 | 1990-03-14 | Brionvega Spa | Disposizione di sintonia per la ricezione di segnali radioelettrici trasmessi da stazioni terrestri oda satellite. |
WO1988009065A1 (en) * | 1987-05-08 | 1988-11-17 | Darrell Coleman | Broad frequency range aerial |
CN87211386U (zh) * | 1987-11-16 | 1988-08-24 | 上海市东海军工技术工程公司 | 全频道电视平面接收天线 |
IT213862Z2 (it) | 1988-06-27 | 1990-03-01 | Co Bra S R L | Antenna televisiva interna. |
JP3170104B2 (ja) | 1993-06-04 | 2001-05-28 | 松下電器産業株式会社 | 自動利得制御装置 |
KR100213373B1 (ko) * | 1996-05-28 | 1999-08-02 | 이형도 | 무선 랜 카드용 안테나 |
-
1998
- 1998-12-04 CA CA002319325A patent/CA2319325C/en not_active Expired - Fee Related
- 1998-12-04 WO PCT/US1998/025748 patent/WO1999030417A1/en active IP Right Grant
- 1998-12-04 AU AU16267/99A patent/AU1626799A/en not_active Abandoned
- 1998-12-04 CA CA002319326A patent/CA2319326C/en not_active Expired - Lifetime
- 1998-12-04 CN CN98811842A patent/CN1120546C/zh not_active Expired - Lifetime
- 1998-12-04 EP EP98960740A patent/EP1036425B1/en not_active Expired - Lifetime
- 1998-12-04 DE DE69811272T patent/DE69811272T2/de not_active Expired - Lifetime
- 1998-12-04 EP EP01116813A patent/EP1168616A3/en not_active Withdrawn
- 1998-12-04 JP JP2000524861A patent/JP2001526483A/ja active Pending
- 1998-12-04 AU AU16263/99A patent/AU1626399A/en not_active Abandoned
- 1998-12-04 CN CN98811840A patent/CN1284215A/zh active Pending
- 1998-12-04 JP JP2000524838A patent/JP4246913B2/ja not_active Expired - Lifetime
- 1998-12-04 KR KR1020007006065A patent/KR100610566B1/ko not_active IP Right Cessation
- 1998-12-04 WO PCT/US1998/025752 patent/WO1999030385A1/en active IP Right Grant
- 1998-12-04 US US09/555,854 patent/US6429828B1/en not_active Expired - Lifetime
- 1998-12-04 DE DE69817016T patent/DE69817016T2/de not_active Expired - Lifetime
- 1998-12-04 EP EP98960736A patent/EP1036434B1/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4041400A (en) * | 1976-02-23 | 1977-08-09 | Sperry Electronics Ltd. | Television remote control system |
US5513387A (en) * | 1992-06-16 | 1996-04-30 | Matsushita Electric Industrial Co., Ltd. | Automatic gain control circuit |
Also Published As
Publication number | Publication date |
---|---|
WO1999030417A1 (en) | 1999-06-17 |
EP1036425B1 (en) | 2003-02-05 |
KR20010040289A (ko) | 2001-05-15 |
DE69817016T2 (de) | 2004-06-09 |
CN1284215A (zh) | 2001-02-14 |
EP1036434A1 (en) | 2000-09-20 |
DE69811272D1 (de) | 2003-03-13 |
CA2319325A1 (en) | 1999-06-17 |
DE69817016D1 (de) | 2003-09-11 |
EP1168616A3 (en) | 2005-02-02 |
EP1036425A1 (en) | 2000-09-20 |
DE69811272T2 (de) | 2003-09-25 |
EP1168616A2 (en) | 2002-01-02 |
WO1999030385A1 (en) | 1999-06-17 |
JP4246913B2 (ja) | 2009-04-02 |
CA2319326C (en) | 2004-05-11 |
CN1285967A (zh) | 2001-02-28 |
CA2319325C (en) | 2003-11-11 |
CN1120546C (zh) | 2003-09-03 |
JP2001526481A (ja) | 2001-12-18 |
CA2319326A1 (en) | 1999-06-17 |
JP2001526483A (ja) | 2001-12-18 |
EP1036434B1 (en) | 2003-08-06 |
AU1626799A (en) | 1999-06-28 |
US6429828B1 (en) | 2002-08-06 |
AU1626399A (en) | 1999-06-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100610566B1 (ko) | 자동 이득-제어 vhf/uhf 안테나 동조 장치 | |
KR100478061B1 (ko) | 폴디드보우타이안테나 | |
US6166703A (en) | Combination satellite and VHF/UHF receiving antenna | |
CA2725313C (en) | Omni-directional, multi-polarity, low profile planar antenna | |
US6522870B1 (en) | Automatic gain-controlled VHF/UHF antenna tuning apparatus | |
MXPA00005499A (en) | Automatic gain-controlled vhf/uhf antenna tuning apparatus | |
JP5016456B2 (ja) | 地上デジタル放送受信用アンテナ及び地上デジタル放送受信用アンテナ装置 | |
MXPA00005498A (es) | Sistema de antena planar de sintonizacion automatica de vhf/uhf | |
US6225865B1 (en) | Signal switching arrangement | |
JP2548716B2 (ja) | ワイヤレスリモコン式ブ−スタ | |
JPS63227220A (ja) | ワイヤレスリモコン式ブ−スタ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
N231 | Notification of change of applicant | ||
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120719 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20130722 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20140722 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20150716 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20160720 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20170719 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20180718 Year of fee payment: 13 |
|
EXPY | Expiration of term |