Reconfigurable resonant cavity with frequency-selective surfaces and shorting posts

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6448936
APP PUB NO 20010036217A1
SERIAL NO

09808865

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention features a reconfigurable resonant cavity specifically for use with a slot radiator. A series of internal planes with frequency-selective materials disposed on their top surfaces, in conjunction with switchable shorting pins, is used to reconfigure the cavity's resonant frequency. PIN diodes, MEMS or other photonically or electrical activated switching devices may be used to selectively 'activate' shorting pins. A single resonant cavity may be electrically reconfigured to operate at two, three, or even more different frequency bands.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.NASHUA, NH960

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kopf, David E Nashua, NH 2 13
Lo, Zane Merrimack, NH 11 128

Cited Art Landscape

Patent Info (Count) # Cites Year
 
THE WHITAKER CORPORATION (1)
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ATCO PRODUCTS, INC., A CORP OF (1)
* 4443802 Stripline fed hybrid slot antenna 58 1981
 
The United States of America as represented by the Secretary of the Navy (1)
* 4379296 Selectable-mode microstrip antenna and selectable-mode microstrip antenna arrays 39 1980
 
Telefonaltiebolaget LM Ericsson (publ) (1)
* 6239750 Antenna arrangement 21 1999
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, INC. (1)
* 7639206 Low-profile frequency selective surface based device and methods of making the same 5 2008
 
The United States of America as represented by the Secretary of the Navy (1)
* 2016/0301,130 Radio Frequency Hat System 0 2015
 
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM (1)
* 7990328 Conductor having two frequency-selective surfaces 2 2008
 
QINETIQ LIMITED (2)
* 9413076 Electromagnetic radiation absorber 0 2012
* 2014/0240,159 Electromagnetic Radiation Absorber 1 2012
 
THE PENN STATE RESEARCH FOUNDATION (2)
7420524 Pixelized frequency selective surfaces for reconfigurable artificial magnetically conducting ground planes 28 2004
* 2004/0263,420 Pixelized frequency selective surfaces for reconfigurable artificial magnetically conducting ground planes 17 2004
* Cited By Examiner