[특허]Wireless networking adapter and variable beam width antenna

[미국특허] Wireless networking adapter and variable beam width antenna 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01Q-003/12
출원번호	UP-0381686 (2006-05-04)
등록번호	US-7696940 (2010-05-20)
발명자 / 주소	MacDonald, Curtis
출원인 / 주소	HField Technologies, Inc.
대리인 / 주소	Design IP
인용정보	피인용 횟수 : 44 인용 특허 : 15

초록 ▼

A wireless networking adapter that incorporates a Yagi-style directional antenna preferably includes at least one driver element positioned between a reflector element and at least two director elements. Another embodiment of the invention comprises a wireless access point having Yagi-style antenna that includes a driver that is adapted to rotate between a first position, in which the driver is in phase with the reflector an at least two directors, and a second position, in which the driver out of phase with a reflector and at least two directors.

대표청구항 ▼

The invention claimed is: 1. A wireless access point comprising: a decoder circuit; and an antenna comprising a driver, a reflector and at least one director, the driver being adapted to move between a first position, in which the driver is in phase with the reflector and the at least one director, and a second position, in which the driver is out of phase with the reflector and the at least one director. 2. The wireless access point of claim 1, wherein the antenna functions as a directional antenna when the driver is oriented in the first position and functions as an omni-directional antenna when the driver is oriented in the second position. 3. The wireless access point of claim 1, wherein the driver is adapted to rotate from the first position to the second position. 4. The wireless access point of claim 3, wherein the first position is orthogonal to the second position. 5. The wireless access point of claim 1, wherein the antenna has a central axis that bisects the reflector and at least one director and the driver rotates about a first axis that is offset from the central axis. 6. The wireless access point of claim 5, wherein the first axis is parallel to the central axis. 7. The wireless access point of claim 1, wherein the at least one director comprises at least two directors.

이 특허에 인용된 특허 (15) 인용/피인용 타임라인 분석

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Braun, Christian; Edvardsson, Olov; Eriksson, Leif, Antenna device for transmitting and/or receiving radio frequency waves and method related thereto.
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Thiel David V.,AUX ; O'Keefe Steven G.,AUX ; Lu Jun W.,AUX, Antennas for use in portable communications devices.
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Prater James S. (Fort Collins CO), Communications transceiver using an adaptive directional antenna.
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Johnson Greg, Director element for radio devices.
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Chiang, Bing; Lynch, Michael J.; Gothard, Griffin K., Dual band phased array employing spatial second harmonics.
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Dumas Ted A. (Dallas TX) Griffee Les V. (Marysville KS), Electronically rotated antenna apparatus.
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Chen,Inching; Tsai,Vicki W., Methods and apparatus for reconfiguring packets to have varying sizes and latencies.
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Besma Kraiem DE; Janos Enderlein DE; Markus Zumkeller DE, Network device and method employing omni-directional and directional antennas.
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Ogino, Tooru, Portable telephone apparatus that can attain directivity of antenna which optimizes reception state from base station.
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Larry, Thomas, Small controlled parasitic antenna system and method for controlling same to optimally improve signal quality.
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Sadahiro Keiichi,JPX, Variable directivity antenna and method of controlling variable directivity antenna.
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Britain Kent, Yagi antenna having matching coaxial cable and driven element impedances.
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이 특허를 인용한 특허 (44) 인용/피인용 타임라인 분석

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Schulz, Gary D.; Odlyzko, Paul; Fay, Christopher, Agile duplexing wireless radio devices.
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Sanford, John R.; Lee, Jude; Sun, Yanwei, Antenna assembly.
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Sanford, John R.; Dayanandan, Sriram; Ponnampalam, Vish; Jabbaz, Gonzalo P.; Pera, Robert J., Array antennas having a plurality of directional beams.
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Splitz, David Edwin; Shoesmith, William Charles; Grady, Robert Henry, Systems and methods for recovering an out-of-service node in a hierarchical network.
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A	생활필수품
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[미국특허] Wireless networking adapter and variable beam width antenna 원문보기