Power transmission of a desk with a cord-free power supply

Koichi Hatanaka; Fumihiro Sato; Hidetoshi Matsuki; Shinki Kikuchi; Jun Ichi Murakami; Makoto Kawase; Tadakuni Satoh

doi:10.1109/TMAG.2002.803120

Power transmission of a desk with a cord-free power supply

Koichi Hatanaka, Fumihiro Sato, Hidetoshi Matsuki, Shinki Kikuchi, Jun Ichi Murakami, Makoto Kawase, Tadakuni Satoh

New Industry Creation Hatchery Center (NICHe)

Research output: Contribution to journal › Conference article › peer-review

60 Citations (Scopus)

Abstract

The battery is an indispensable component of portable electronic equipment, but charging is often inconvenient. A contactless electric power supply, such as the desk-type contactless power station (CLPS) we propose, significantly improves the ease of charging such equipment. In this system, primary coils are embedded into the desk surface to efficiently supply electrical power to portable equipment placed on the desk. Only the primary and the secondary coils facing each other work as a power transmitter. We have confirmed that electric power transmission with efficiency of 85±5 % can be attained anywhere on the desk. This examination reveals the effectiveness of using several primary coils.

Original language	English
Pages (from-to)	3329-3331
Number of pages	3
Journal	IEEE Transactions on Magnetics
Volume	38
Issue number	5 I
DOIs	https://doi.org/10.1109/TMAG.2002.803120
Publication status	Published - 2002 Sep 1
Event	2002 International Magnetics Conference (Intermag 2002) - Amsterdam, Netherlands Duration: 2002 Apr 28 → 2002 May 2

Keywords

Contactless
Electric supply
Portable electric equipment
Selective excitation

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

Access to Document

10.1109/TMAG.2002.803120

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title = "Power transmission of a desk with a cord-free power supply",

abstract = "The battery is an indispensable component of portable electronic equipment, but charging is often inconvenient. A contactless electric power supply, such as the desk-type contactless power station (CLPS) we propose, significantly improves the ease of charging such equipment. In this system, primary coils are embedded into the desk surface to efficiently supply electrical power to portable equipment placed on the desk. Only the primary and the secondary coils facing each other work as a power transmitter. We have confirmed that electric power transmission with efficiency of 85±5 % can be attained anywhere on the desk. This examination reveals the effectiveness of using several primary coils.",

keywords = "Contactless, Electric supply, Portable electric equipment, Selective excitation",

author = "Koichi Hatanaka and Fumihiro Sato and Hidetoshi Matsuki and Shinki Kikuchi and Murakami, {Jun Ichi} and Makoto Kawase and Tadakuni Satoh",

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AU - Hatanaka, Koichi

AU - Sato, Fumihiro

AU - Matsuki, Hidetoshi

AU - Kikuchi, Shinki

AU - Murakami, Jun Ichi

AU - Kawase, Makoto

AU - Satoh, Tadakuni

PY - 2002/9/1

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N2 - The battery is an indispensable component of portable electronic equipment, but charging is often inconvenient. A contactless electric power supply, such as the desk-type contactless power station (CLPS) we propose, significantly improves the ease of charging such equipment. In this system, primary coils are embedded into the desk surface to efficiently supply electrical power to portable equipment placed on the desk. Only the primary and the secondary coils facing each other work as a power transmitter. We have confirmed that electric power transmission with efficiency of 85±5 % can be attained anywhere on the desk. This examination reveals the effectiveness of using several primary coils.

AB - The battery is an indispensable component of portable electronic equipment, but charging is often inconvenient. A contactless electric power supply, such as the desk-type contactless power station (CLPS) we propose, significantly improves the ease of charging such equipment. In this system, primary coils are embedded into the desk surface to efficiently supply electrical power to portable equipment placed on the desk. Only the primary and the secondary coils facing each other work as a power transmitter. We have confirmed that electric power transmission with efficiency of 85±5 % can be attained anywhere on the desk. This examination reveals the effectiveness of using several primary coils.

KW - Contactless

KW - Electric supply

KW - Portable electric equipment

KW - Selective excitation

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