The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6972651 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 06, 2005

Filed:

Mar. 05, 2002
Applicants:

Shigemitsu Aoki, Shinagawa, JP;

Nobuyoshi Shimizu, Shinagawa, JP;

Hirofumi Saso, Shinagawa, JP;

Yoshio Okamoto, Shinagawa, JP;

Chiaki Maeno, Shinagawa, JP;

Noboru Fujii, Shinagawa, JP;

Yasushi Saito, Shinagawa, JP;

Inventors:

Shigemitsu Aoki, Shinagawa, JP;

Nobuyoshi Shimizu, Shinagawa, JP;

Hirofumi Saso, Shinagawa, JP;

Yoshio Okamoto, Shinagawa, JP;

Chiaki Maeno, Shinagawa, JP;

Noboru Fujii, Shinagawa, JP;

Yasushi Saito, Shinagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H009/00 ;
U.S. Cl.
CPC ...
Abstract

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.


Find Patent Forward Citations

Aoki, Shigemitsu. (2005). 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 (U.S. Patent No. 6972651). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6972651

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