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Paper Abstract and Keywords
Presentation 2012-12-14 10:05
SAR of antennas built into laptop PC
Takeo Shiina (Tokyo Metropolitan Univ.), Teruo Onishi (NTT DOCOMO), Masao Taki (Tokyo Metropolitan Univ.) EMCJ2012-89
Abstract (in Japanese) (See Japanese page) 
(in English) The IEC (International Electrotechnical Commission) standardized the SAR (Specific Absorption Rate) measurement procedure for the use of wireless communication devices in situations other than close proximity to the ear. The regulation with respect to human exposure to the wireless communication device for data communication has been investigated in Japan. In this study, the SAR evaluations for laptop PC with antennas built-in on display screens by numerical analysis are conducted. The procedure has been defined in 1-g average SAR evaluation in the U.S. FCC (Federal Communications Commission). However it is not obvious whether it is possible to apply to10-g average SAR evaluation. The frequencies are 835 MHz, 1.95 GHz, 2.45 GHz, and 3.5 GHz. As a result, 10-g average SAR was below the exposure limits in public exposure at each frequency in Japan when applying the evaluation procedure to individual transmitter by the FCC. In addition, SAR measurement for simultaneous multi-band transmission antennas is investigated using the numerical simulations.
Keyword (in Japanese) (See Japanese page) 
(in English) SAR / Built-in Antenna for laptop PC / Simultaneous multi-band transmission / FDTD method / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 361, EMCJ2012-89, pp. 17-22, Dec. 2012.
Paper # EMCJ2012-89 
Date of Issue 2012-12-07 (EMCJ) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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)
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Conference Information
Committee EMCJ IEE-EMC  
Conference Date 2012-12-14 - 2012-12-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Gifu Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Power electronics, Biomedical, EMC, etc. 
Paper Information
Registration To EMCJ 
Conference Code 2012-12-EMCJ-EMC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) SAR of antennas built into laptop PC 
Sub Title (in English)  
Keyword(1) SAR  
Keyword(2) Built-in Antenna for laptop PC  
Keyword(3) Simultaneous multi-band transmission  
Keyword(4) FDTD method  
1st Author's Name Takeo Shiina  
1st Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
2nd Author's Name Teruo Onishi  
2nd Author's Affiliation NTT DOCOMO (NTT DOCOMO)
3rd Author's Name Masao Taki  
3rd Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
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Date Time 2012-12-14 10:05:00 
Presentation Time 20 
Registration for EMCJ 
Paper # IEICE-EMCJ2012-89 
Volume (vol) IEICE-112 
Number (no) no.361 
Page pp.17-22 
#Pages IEICE-6 
Date of Issue IEICE-EMCJ-2012-12-07 

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