Communications: radio wave antennas – Antennas – With radio cabinet
Reexamination Certificate
2005-08-23
2005-08-23
Nguyen, Hoang V. (Department: 2821)
Communications: radio wave antennas
Antennas
With radio cabinet
C343S909000, C343S7000MS
Reexamination Certificate
active
06933895
ABSTRACT:
An electromagnetic bandgap material is electrically attached to an edge, and enables high isolation between antennas due to the attenuation of surface waves. The disclosed embodiments further provide narrow reactive edge treatments in the form of artificial magnetic conductors (AMCs) whose physical width is less than 1/10 of a free space wavelength for the frequency of surface currents intended to be suppressed. These embodiments still further provide several AMCs suitable for this purpose, along with several exemplary manufacturing techniques for the AMCs.
REFERENCES:
patent: 6262495 (2001-07-01), Yablonovich et al.
patent: 6483481 (2002-11-01), Sievenpiper et al.
patent: 6512494 (2003-01-01), Diaz et al.
patent: 6628242 (2003-09-01), Hacker et al.
Diaz, Rodolfo E. et al., “TM Mode Analysis of a Sievenpiper High-Impedance Reactive Surface”,IEEE Antennas and Propagation Symposium, Salt Lake City, Utah, 2000, 25 pages.
Kamgaing, Telesphor et al., “A Novel Power Plane With Integrated Simultaneous Switching Noise Mitigation Capability Using High Impedance Surface”,IEEE Microwave and Wireless Components Letters, vol. 13, No. 1, 2003, pp. 21-23.
Eugene F. Knott et al., “Chapter 9—Radar Absorbers”,Radar Cross Section—It's Prediction, Measurement and Reduction, published by Artech House, Inc., copyright 1985, 239-272.
Sievenpiper, Daniel F., “High-impedance electromagnetic surfaces,” Ph.D. dissertation, UCLA electrical engineering department, submitted Jan. 1999, 161 pages.
Magnetic Properties, Arc Technologies, Inc., “MAGRAM Thickness vs Frequency”, obtained at the internet address: http://www.arc-tech.com/app3.html, printed on Apr. 4, 2003, 1 page.
Multi Band Magnetic Absorbers, Arc Technologies, Inc., “Multi Band and Technical Data Sheets”, obtained at the internet address: http://www.arc-tech.com/mag2.html, printed on Apr. 4, 2003, 3 pages.
Single Band Magnetic Absorbers, Arc Technologies, Inc., “Single Band and Technical Data Sheet”, obtained at the internet address: http://www.arc-tech.com/mag1.html, printed on Apr. 4, 2003, 2 pages.
Sprayable Magram Absorber, Arc Technologies, Inc., “Sprayable”, obtained at the internet address: http://www.arc-tech.com/mag4.html, printed on Apr. 4, 2003, 1 page.
Typical Dielectric Properties, Arc Technologies, Inc., “Dielectric Properties of MAGRAM”, obtained at the internet address: http://www.arc-tech.com/app4.html, printed on Apr. 4, 2003, 2 pages.
R&F Products—RF MAG Microwave Absorber, R&F Products, “Absorber Products Type RF MAG”, obtained at the internet address: http://www.randf.com/rf_mag.html, printed on Apr. 4, 2003, 2 pages.
English, Errol K., “Tapered Periodic Surfaces: A Basic Building Block for Broadband Antenna Design”,Ultra-Wideband, Short-Pulse Electromagnetics 2, Plenum Press, New York, 1995, pp. 227-235.
McKinzie, III William E.
Mendolia Greg S.
Rogers Shawn
E-Tenna Corporation
Nguyen Hoang V.
LandOfFree
Narrow reactive edge treatments and method for fabrication does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Narrow reactive edge treatments and method for fabrication, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Narrow reactive edge treatments and method for fabrication will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3462278