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Paper Abstract and Keywords
Presentation 2009-03-09 15:45
Electrical Performances of the Low Profile Normal Mode Helical Antenna in a Metal Proximity Use
Won Gook Hong, Naobumi Michishita, Yoshihide Yamada (National Defense Academy) AP2008-219
Abstract (in Japanese) (See Japanese page) 
(in English) The low profile small normal mode helical antenna that can be used above metallic plates has been developed. In this paper, the proximity effects of a metal plate on input impedances, self resonance conditions and radiation characteristics of the normal mode helical antenna are clarified through the electromagnetic simulation. The operating frequency of 953 MHz is selected. The objective antenna sizes of 0.03-0.05 wavelengths are studied. As parameters of the metal plate, existence of the metal plate, the spacing to the antenna and the sizes of metal plate are considered. Moreover, the simulated and measured results of the low profile normal mode helical antenna with tap feed are also discussed.
Keyword (in Japanese) (See Japanese page) 
(in English) Normal mode helical antenna / low profile / metal proximity / RFID / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 475, AP2008-219, pp. 41-44, March 2009.
Paper # AP2008-219 
Date of Issue 2009-03-02 (AP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF AP2008-219

Conference Information
Committee AP  
Conference Date 2009-03-09 - 2009-03-10 
Place (in Japanese) (See Japanese page) 
Place (in English) University of Macau 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2009-03-AP 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Electrical Performances of the Low Profile Normal Mode Helical Antenna in a Metal Proximity Use 
Sub Title (in English)  
Keyword(1) Normal mode helical antenna  
Keyword(2) low profile  
Keyword(3) metal proximity  
Keyword(4) RFID  
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1st Author's Name Won Gook Hong  
1st Author's Affiliation National Defense Academy (National Defense Academy)
2nd Author's Name Naobumi Michishita  
2nd Author's Affiliation National Defense Academy (National Defense Academy)
3rd Author's Name Yoshihide Yamada  
3rd Author's Affiliation National Defense Academy (National Defense Academy)
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Speaker Author-1 
Date Time 2009-03-09 15:45:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2008-219 
Volume (vol) vol.108 
Number (no) no.475 
Page pp.41-44 
#Pages 4 
Date of Issue 2009-03-02 (AP) 

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