Presentation | 1993/8/17 A Study on Small Slot Antenna for Wrist Watch Type Portable Radio Equipment Teruhiko Fujisawa, Norio Hama, Hiroyuki Chihara, Yoshinobu Okano, Junichi Takada, Koichi Ito, |
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Abstract(in Japanese) | (See Japanese page) |
Abstract(in English) | Recently,the downsizing technology for portable radio equipment have been in progress,and,the wrist watch type portable radio equipment is available now.The antenna for such kind of equipments are much affected by human body,but a slot antenna can positively utilize the body effect.This paper proposes the slot antenna which built in the watch band.The maximun antenna gain of about -13 dBd was obtained at 330 MHz by the radiation patterns measurement.Also the measurements were done under the practical situation where it was set on the wrist,and the positive body effect was confirmed, which demonstrated the possibilty of this antenna for pratical use. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | Slot antenna / Small antenna / Wrist Watch type portable radio equipment / Body effect |
Paper # | A・P93-60 |
Date of Issue |
Conference Information | |
Committee | AP |
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Conference Date | 1993/8/17(1days) |
Place (in Japanese) | (See Japanese page) |
Place (in English) | |
Topics (in Japanese) | (See Japanese page) |
Topics (in English) | |
Chair | |
Vice Chair | |
Secretary | |
Assistant |
Paper Information | |
Registration To | Antennas and Propagation (A・P) |
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Language | JPN |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | A Study on Small Slot Antenna for Wrist Watch Type Portable Radio Equipment |
Sub Title (in English) | |
Keyword(1) | Slot antenna |
Keyword(2) | Small antenna |
Keyword(3) | Wrist Watch type portable radio equipment |
Keyword(4) | Body effect |
1st Author's Name | Teruhiko Fujisawa |
1st Author's Affiliation | Watch Operating Division,SEIKO EPSON Corporation() |
2nd Author's Name | Norio Hama |
2nd Author's Affiliation | Watch Operating Division,SEIKO EPSON Corporation |
3rd Author's Name | Hiroyuki Chihara |
3rd Author's Affiliation | Watch Operating Division,SEIKO EPSON Corporation |
4th Author's Name | Yoshinobu Okano |
4th Author's Affiliation | Faculty of Engineering,Chiba University |
5th Author's Name | Junichi Takada |
5th Author's Affiliation | Faculty of Engineering,Chiba University |
6th Author's Name | Koichi Ito |
6th Author's Affiliation | Faculty of Engineering,Chiba University |
Date | 1993/8/17 |
Paper # | A・P93-60 |
Volume (vol) | vol.93 |
Number (no) | 179 |
Page | pp.pp.- |
#Pages | 4 |
Date of Issue |