Double tapered loop antenna element

Description

FIG. 1 is a perspective view of the double tapered loop antenna element, showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a back elevation thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a right elevation view thereof; and

FIG. 7 is a left elevation view thereof.

In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design.

Claims

CLAIM The ornamental design for a double tapered loop antenna element, as shown and described.

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Inventors:	Schneider; Richard E. (Wildwood, MO), Ross, III; John Edwin (Salt Lake City, UT)
Assignee:	Antennas Direct, Inc. (Eureka, MO)
Appl. No.:	D/305,293
Filed:	March 17, 2008

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Related U.S. Patent Documents

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	Application Number	Filing Date	Patent Number	Issue Date
	12040464	Feb 29, 2008

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Current U.S. Class:	D14/230
Current International Class:	1403
Field of Search:	;D14/138,230-238,299,358 ;D12/42,43 ;343/700MS,700R-705,711-713,741,748,767,795,819,840,846,866,871-908 ;455/90.2,90.3,91,128,269,344,347,562.1

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References Cited [Referenced By]

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U.S. Patent Documents

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Foreign Patent Documents

	D1213590		Jun 2004		JP
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Other References

IEEE Spectrum: Antennas for the New Airwaves, http://www.spectrum.ieee.org/print/7328, Published Feb. 2009, 9 pages, Authors Richard Schneider and John Ross. cited by other . Antenna Engineering Handbook, 3rd Edition, Edited by Richard C. Johnson, McGraw Hill, 1993, pp. 5-13 to 5-16. cited by other . One-Element Loop Antenna with Finite Reflector, B. Rojarayanont and T. Sekiguchi, Electronics & Communications in Japan, vol. 59-B, No. 5, May 1976, p. 68. cited by other . Frequency-and Time-Domain Modeling of Tapered Loop Antennas in Ultra-Wideband Radio Systems, Shiou-Li Chen and Shau-Gang Mao, Graduate Institute of Computer and Communication Engineer, pp. 179-182, IEEE copyright notice 2006. cited by other . Planar Miniature Tapered-Slot-Fed Annular Slot Antennas for Ultrawide-Band Radios, Tzyh-Ghuang Ma, Student Member, and Shyh-Kang, Jeng, Senior Member, IEEE, IEEE Transactions on Antennas and Propagation, vol. 53, No. 3, Mar. 2005, pp. 1194-1202. cited by other . Self-Mutual Admittances of Two Identical Circular Loop Antennas in a Conducting Medium and in Air, K. Iizuka, Senior Member, IEEE, R. W. P. King, Fellow, IEEE, and C. W. Harrison, Jr., Senior Member, IEEE, IEEE Transactions on Antennas and Propagation, vol. AP014, No. 4, Jul. 1966, pp. 440-450. cited by other . A Broadband Eccentric Annular Slot Antenna, Young Hoon Suh and Ikmo Park, Department of Electrical Engineering, Ajou University, pp. 94-97, IEEE copyright notice 2001. cited by other . A Printed Crescent Patch Antenna for Ultrawideband Applications, Ntsanderh C. Azenui an H.Y.D. Yang, IEEE Antennas and Wireless Propragation Letters, vol. 6, 2007, pp. 113-116. cited by other . Design of Compact Components for Ultra Wideband Communication Front Ends, Marek Bialkowski, Amin Abbosh, and Hing Kan, School of Information Technology and Electrical Engineering, The University of Queensland, four pages. cited by other.

Primary Examiner: Nelson; T. Chase
Assistant Examiner: Windmuller; John
Attorney, Agent or Firm: Harness, Dickey & Pierce, P.L.C.