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Dive into the research topics where Tsutomu Endo is active.

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Featured researches published by Tsutomu Endo.


Electronics and Communications in Japan Part Ii-electronics | 2000

Resonant frequency and radiation efficiency of meander line antennas

Tsutomu Endo; Yonehiko Sunahara; Shinichi Satoh; Takashi Katagi

One of the approaches to reducing the size of half-wavelength linear dipole antennas is the meander dipole antenna, where the elements form a meander line. This paper presents a formula for the relationship between the geometrical size and the resonant frequency of the meander line dipole antenna, and a calculation formula for the radiative efficiency is derived from the result. It is shown that the geometrical parameters of the meander line dipole antenna can be determined from the specified radiative efficiency.


Archive | 1996

Folding-type radio communication equipment

Tsutomu Endo; Shinichi Sato; 眞一 佐藤; 勉 遠藤


Archive | 1999

Impedance matching circuit and antenna using impedance matching circuit

Tetsu Ohwada; Moriyasu Miyazaki; Tamotsu Nishino; Tsutomu Endo


Archive | 2001

ANTENNA ARRAY DEVICE

Isamu Chiba; Tsutomu Endo; Masato Sato; 正人 佐藤; 勇 千葉; 勉 遠藤


european conference on antennas and propagation | 2009

An aperiodic array antenna using diamond tiles as subarrays

Shigeru Makino; Shogo Kadoguchi; Shin-ichi Betsudan; Motoo Mizusawa; Keisuke Noguchi; Tsutomu Endo; Masahito Sato; Takashi Katagi


Archive | 1994

GENERATOR FOR PORTABLE RADIO EQUIPMENT

Tsutomu Endo; Takashi Kataki; Shinichi Sato; Yonehiko Sunahara; 眞一 佐藤; 孝至 片木; 米彦 砂原; 勉 遠藤


Archive | 1998

Antenna unit for portable phones

Tsutomu Endo; Isamu Chiba; Shuji Urasaki


IEICE technical report. Antennas and propagation | 2003

Target Detection by a Radar Using a Distributed Array Antenna

Jin-ya Yabe; Takashi Katagi; Shin-ichi Betsudan; Motoo Mizusawa; Keisuke Noguchi; Ken-ichiro Kodama; Tsutomu Endo; Isamu Chiba


Proceedings of the IEICE General Conference | 1999

SB-1-11 The Radiation Pattern of the Quadrifiller Helical Antenna near the Human Head Model

Tsutomu Endo; Isamu Chiba


Archive | 1999

Circuit d'alimentation d'antenne

Isamu Chiba; Tsutomu Endo; Toru Fukasawa; Moriyasu Miyazaki

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Keisuke Noguchi

Kanazawa Institute of Technology

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Motoo Mizusawa

Kanazawa Institute of Technology

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Shin-ichi Betsudan

Kanazawa Institute of Technology

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