U.S. patent number D598,434 [Application Number D/305,293] was granted by the patent office on 2009-08-18 for double tapered loop antenna element. This patent grant is currently assigned to Antennas Direct, Inc.. Invention is credited to John Edwin Ross, III, Richard E. Schneider.
United States Patent | D598,434 |
Schneider , et al. | August 18, 2009 |
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 |
Application Number | Filing Date | Patent Number | Issue Date | ||
---|---|---|---|---|---|
12040464 | Feb 29, 2008 | ||||
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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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. |
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