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| Presentation | 2005-03-04 13:00 Long Range Passive RFID-Tag for Multipoint Temperature Indication System Hitoshi Kitayoshi (Intelligent Cluster, Sendai), Kunio Sawaya (Tohoku Univ.) Link to ES Tech. Rep. Archives:  MW2004-330 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A novel long range passive RFID tag with 30 m reading distance under ARIB standards is proposed. The proposed tag is composed of a divided microstrip antenna and a passive voltage multiplying circuit. The received level at the reader for the case of the proposed tag is about 10 dB greater than that for the case of the dipole antenna of the conventional tag. Since the antenna is a microstrip type antenna having a ground plane, it can be used in the vicinity of a metal structure. The proposed rectifying circuit is composed of a tank circuit of a λ/4 short stub and modified 3-stage Cockcroft-Walton circuit and can convert from -20 dBm (Zo=50Ω) RF input of 950 MHz or 2.45 GHz to more than 0.6 V DC voltages at load current 2 μA for the transponding operation. The size of fabricated tags for 950 MHz band is 90x60x4 mm and that for 2.45 GHz band is 70x25x4 mm. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Passive RFID / Temperature sensor / Long range communication / Microstrip antenna / Multiplying rectifier / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 104, no. 677, AP2004-333, pp. 179-184, March 2005. | |
| Paper # | AP2004-333 | |
| Date of Issue | 2005-02-25 (WBS, AP, RCS, MoMuC, MW) | |
| ISSN | Print edition: ISSN 0913-5685 | |
| 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 | Link to ES Tech. Rep. Archives: MW2004-330 |
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| Conference Information | |
| Committee | RCS AP WBS MW MoNA |
| Conference Date | 2005-03-02 - 2005-03-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Yokosuka Research Park |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communications Workshop |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2005-03-RCS-AP-WBS-MW-MoMuC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Long Range Passive RFID-Tag for Multipoint Temperature Indication System |
| Sub Title (in English) | |
| Keyword(1) | Passive RFID |
| Keyword(2) | Temperature sensor |
| Keyword(3) | Long range communication |
| Keyword(4) | Microstrip antenna |
| Keyword(5) | Multiplying rectifier |
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| 1st Author's Name | Hitoshi Kitayoshi |
| 1st Author's Affiliation | Intelligent Cluster in Sendai Area (Intelligent Cluster, Sendai) |
| 2nd Author's Name | Kunio Sawaya |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2005-03-04 13:00:00 |
| Presentation Time | 20 minutes |
| Registration for | AP |
| Paper # | WBS2004-152, AP2004-333, RCS2004-420, MoMuC2004-203, MW2004-330 |
| Volume (vol) | vol.104 |
| Number (no) | no.674(WBS), no.677(AP), no.680(RCS), no.683(MoMuC), no.686(MW) |
| Page | pp.179-184 |
| #Pages | 6 |
| Date of Issue | 2005-02-25 (WBS, AP, RCS, MoMuC, MW) |
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