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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 109件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, SR, SRW
(Joint)
2020-03-06
09:50
Tokyo Tokyo Institute of Technology [Invited Lecture] Challenge for underwater communication using electromagnetic waves
Masaharu Takahashi (Chiba Univ.)
 [more]
AP, WPT
(Joint)
2020-01-23
09:30
Kagawa Sunport Hall Takamatsu Circular plane-loaded antenna with short circuit structure
Kyohei Yoshida, Hina Watanabe, Daisuke Yamanaka, Rintaro Sasaki, Masaharu Takahashi (Chiba Univ.) AP2019-150
Recently, various kinds of the wireless system such as a smartphone, a tablet, and Wi-Fi has increasingly spread. It is ... [more] AP2019-150
pp.11-14
AP, WPT
(Joint)
2020-01-23
13:35
Kagawa Sunport Hall Takamatsu Position estimation of capsule endoscope in high-definition numerical human body model
Rintaro Sasaki, Masaharu Takahashi (Chiba Univ.) WPT2019-52
Capsule endoscopy is less invasive than conventional tube-type endoscopes, and is one of the most widely used imaging to... [more] WPT2019-52
pp.19-22
AP, WPT
(Joint)
2020-01-24
13:20
Kagawa Sunport Hall Takamatsu Cavity Slot Antenna for Wireless Power Transmission to Small Sensors on the Human Arm
Hina Watanabe, Masaharu Takahashi (Chiba Univ.) AP2019-172 WPT2019-55
As an aging, home medical care and nursing have become increasingly important. In the medical field, it is expected to u... [more] AP2019-172 WPT2019-55
pp.121-124(AP), pp.33-36(WPT)
AP 2019-12-12
13:40
Tokyo Kikai-Shinko-Kaikan Bldg. A Consideration on a Reception of Electromagnetic Wave Signals at the Sea Level in the Shallow Sea Area
Nozomu Ishii (Niigata Univ.), Masaharu Takahashi, Ryosuke Kato (Chiba Univ.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC) AP2019-143
In order to estimate the position of a diver in a submarine search at the time of a flood accident in shallow water, we ... [more] AP2019-143
pp.7-12
WPT
(2nd)
2019-10-31
- 2019-11-02
Overseas Xidian University Analysis of Power Transmission Efficiency of Capsule Endoscope Antenna
Kyohei Yoshida, Masaharu Takahashi (Chiba Univ.)
Current capsule endoscopes use a built-in battery as a power source. It is not preferable to use a battery harmful to a ... [more]
WPT
(2nd)
2019-10-31
- 2019-11-02
Overseas Xidian University Wireless Power Transmission to Small Sensors on the Human Arm
Hina Watanabe, Masaharu Takahashi (Chiba Univ.)
Recently, home medical care and nursing have become increasingly important for an aging society in Japan. In these field... [more]
MW, AP
(Joint)
2019-09-19
13:35
Kanagawa JAXA (Sagamihara) Measurement of Phase Distribution between Small Dipole Antennas Immersed in Simulated Sea Water Using Pseudo Scale Model
Nozomu Ishii (Niigata Univ.), Masaharu Takahashi, Ryosuke Kato (Chiba Univ.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC) AP2019-72
The authors deal with the problem of position estimation in the sea using electromagnetic waves as one of the applicatio... [more] AP2019-72
pp.13-18
AP 2019-08-22
14:35
Hokkaido Hokkai-Gakuen Univ. Design and Evaluation of Antennas in Seawater
Qiang Chen, Hiroyasu Sato (Tohoku Univ.), Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Hiroshi Yoshida (JAMSTEC) AP2019-60
 [more] AP2019-60
pp.69-71
AP 2019-08-22
15:00
Hokkaido Hokkai-Gakuen Univ. 3D Pattern Measurement of an Underwater Dipole Antenna Using Pseudo Scale Model
Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiang Chen (Tohoku Univ.), Hiroshi Yoshida (JAMSTEC) AP2019-61
Electromagnetic field distribution in the sea should be essentially measured when developing a system that uses electrom... [more] AP2019-61
pp.73-78
AP 2019-08-22
15:25
Hokkaido Hokkai-Gakuen Univ. Fundamental study of electromagnetic wave propagation in the sea at frozen Saroma lake
Ryosuke Kato, Masaharu Takahashi (Chiba Univ.), Hiroshi Yoshida (JAMSTEC), Nozomu Ishii (Niigata Univ.), Chen Qiang (Tohoku Univ.) AP2019-62
As a basic study of an undersea positioning system using electromagnetic waves, we investigated an attenuation of electr... [more] AP2019-62
pp.79-83
EMCJ, EMD, WPT, PEM
(Joint) [detail]
2019-07-19
15:35
Tokyo Kikai-Shinko-Kaikan Bldg. Circuit Modeling of a Wireless Power Transfer System by the Impedance Expansion Method
Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) WPT2019-24
The impedance expansion method (IEM) is a circuit modeling technique for electrically very small devices based on the me... [more] WPT2019-24
pp.13-17
EMCJ, EMD, WPT, PEM
(Joint) [detail]
2019-07-19
16:00
Tokyo Kikai-Shinko-Kaikan Bldg. Development of transmission and reception antennas for wireless power transmission in the capsule endoscope
Kyohei Yoshida, Masaharu Takahashi (Chiba Univ.) WPT2019-25
In recent years, a capsule endoscope has been developed for decreasing the burden of patients. Current capsule endoscope... [more] WPT2019-25
pp.19-22
AP
(2nd)
2019-06-25
14:35
Hokkaido Wakkanai City Japan-Russia Friendship Hall Low frequency electromagnetic wave propagation between ice-surface and sea-water measured in Saroma Lake.
Hiroshi Yoshida, Ryo sato (JAMSTEC), Masaharu Takahashi (Chiba Univ.), Nozomu Ishii (Niigata Univ.), Qiang Chen (Tohoku Univ.), Ryosuke Kato (Chiba Univ.)
 [more]
AP
(2nd)
2019-06-25
16:30
Hokkaido Wakkanai City Japan-Russia Friendship Hall Measurement of the capsule endoscopy position using the simple abdomen phantom
Shogo Nakamura, Daijiro Hiyoshi, Kyohei Yoshida, Masaharu Takahashi (Chiba Univ.)
As a medical device examining the inside of the digestive tract, an endoscopy has been used. There are a capsule endosco... [more]
WPT 2019-06-11
12:05
Hokkaido Hokkaido Univ. Passive-Element Circuit Model of a Wireless Power Transfer System
Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) WPT2019-21
The impedance expansion method (IEM) is a circuit modeling technique for electrically very small devices based on the me... [more] WPT2019-21
pp.57-61
AP 2019-03-14
13:55
Fukushima Yunoya (Iizaka Onsen, Fukushima) A Decoupling Method for 3 Element Monopole Antennas by Using a Short Stub
Takuya Miyasaka, Masaharu Takahashi (Chiba Univ.), Hiroshi Sato (Panasonic Corp.) AP2018-188
Recently, MIMO technology using multiple antennas is used to get high speed communication. If MIMO antennas are put clos... [more] AP2018-188
pp.13-18
WPT
(2nd)
2018-11-02
- 2018-11-04
Miyagi Tohoku University 3D measurement of transmission between small dipole antennas using pseudo scale model for underwater positioning system in kHz band
Nozomu Ishii, Yudai Ishizuka, Shota Meguro (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Hiroshi Yoshida (JAMSTEC), Qiang Chen (Tohoku Univ.)
To construct the underwater positioning system operated in the kHz band, we measure the transmission coefficient between... [more]
AP, MW
(Joint)
2018-09-21
16:25
Tokyo Tokyo Tech A Triple-band Decoupling Method for MIMO Antennas by Using a Short stub and Trifurcation Branch Elements
Takuya Miyasaka (Chiba Univ.), Hiroshi Sato (Panasonic Co.), Masaharu Takahashi (Chiba Univ.) AP2018-87
MIMO technology using multiple antennas for high speed communication has a problem of mutual coupling between antennas. ... [more] AP2018-87
pp.37-42
AP 2018-08-23
14:10
Saitama Nippon Inst. of Tech. Study on Decoupling for three closely placed monopole antenna elements
Hiroshi Sato, Kenshi Horihata (Panasonic), Nobuyuki Shiraki, Naoki Honma (Iwate University), Masaharu Takahashi (Chiba University), Yoshio Koyanagi (Panasonic) AP2018-73
In recent years, in wireless information terminals, MIMO technology using multiple antennas is used to stably communicat... [more] AP2018-73
pp.35-40
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