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.

Date of Patent:
Sep. 19, 2000

Filed:

Mar. 24, 1999
Applicant:
Inventor:

Yi-Te Chiang, Taipei, TW;

Assignee:

Primax Electronics Ltd., Taipei Hsien, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H / ; H01H / ; H01H / ; H01H / ;
U.S. Cl.
CPC ...
337 37 ; 333 39 ; 333 59 ; 333 85 ; 333112 ; 333113 ;
Abstract

The present invention provides an electric device comprising two electric terminals, a button mechanism having a push button that can depressed to toggle between 'on' and 'off' statuses, and a conductive reed that conducts electric current between the two electric terminals when connected and disables the passage of current when disconnected. When the button is set 'on', a reserve space exists between the reed and the button for the reed to spring upward without pushing the button upward. When the current passing through the reed exceeds a predetermined current level, the reed will become heated and spring upward and rest in the reserve space so as to electrically disconnect the two electric terminals.


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