Variable position antenna shield

Details Variable position antenna shield Variable position antenna shield

2011-04-19

2011-04-19

Ho, Tan (Department: 2821)

Communications: radio wave antennas

Antennas

With electrical shield

C343S7000MS

Reexamination Certificate

active

07928924

ABSTRACT:
A variable position antenna shield (VPAS) is described that provides a mechanism for attenuating radio interference signals and other electromagnetic waves using a movable shield. The VPAS contains an antenna assembly, an antenna, and a patch variably positioned exterior to the antenna, wherein the patch attenuates passage of electromagnetic radiation such that the passage of electromagnetic radiation through the patch is substantially blocked, the patch being variably positioned to affect the directivity pattern of the antenna.

REFERENCES:
patent: 5200756 (1993-04-01), Feller
patent: 6259896 (2001-07-01), Sepponen
patent: 6847328 (2005-01-01), Libonati et al.
patent: 7701408 (2010-04-01), Bombay et al.
patent: 2003/0103014 (2003-06-01), Birnbaum et al.
patent: 2007/0171138 (2007-07-01), Noro
patent: 2007/0222582 (2007-09-01), Fontijn
Sawson Teheri, Jared Buckley, Ramon Alvarado, 915 MHz Cantenna and Patch Antennas Design, Report, 12 pages, www.engr.sjsu.edu/rkwok/EE172/Antenna.pdf.

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