Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Reexamination Certificate
2006-06-27
2006-06-27
Friedhofer, Michael A. (Department: 2832)
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
C200S559000, C200S553000
Reexamination Certificate
active
07067751
ABSTRACT:
A switch including an insulative plastic case having a cavity formed therein, a metal cover joined to the case to cover over the cavity, and a switching contact section contained in the cavity. In this switch, a surface of the cover opposed to the case has an insulative film formed on at least a region of the surface facing to the cavity. The switch can prevent externally-originated static electricity from adversely affecting the switching contact section to protect a circuit section of a device connected to the switching contact section.
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Nishimura Kenji
Tsuda Tatsuya
Yamamoto Tamotsu
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