Switch operable under a predetermined condition, external magnetic field generating unit, combination of such a switch and an external magnetic field generating unit and electronic apparatus incorporating the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6972651
APP PUB NO 20020130740A1
SERIAL NO

10087849

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A switch operable under a predetermined condition includes a plurality of switch parts each including a pair of reed pieces and a connecting member of an electrically conductive non-magnetic material via which the plurality of switch parts are serially connected. The switch operates only under a condition where all of the plurality of switch parts are operated by external magnetic fields individually and simultaneously acting on the plurality of switch parts.

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Patent Owner(s)

Patent OwnerAddress
TAKAMISAWA ELECTRIC CO LTDTOKYO

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aoki, Shigemitsu Shinagawa, JP 25 228
Fujii, Noboru Shinagawa, JP 26 130
Maeno, Chiaki Shinagawa, JP 2 4
Okamoto, Yoshio Shinagawa, JP 161 1276
Saito, Yasushi Shinagawa, JP 146 2640
Saso, Hirofumi Shinagawa, JP 13 174
Shimizu, Nobuyoshi Shinagawa, JP 105 1466

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