Scully, Scott, Murphy & Presser
Switch structure of electronic device
 This invention copes with miniaturization of an electronic device and provides a switch structure of the electronic device at inexpensive price. The switch structure of the electronic device comprises a case (an upper case 1 and a lower case 4) having supporting convex portions 4f, switches 3a mounted within the case, and a push button 2 containing arm portions 2c elastically deformable, push button portions 2b, and switch pushing convex portions 2e provided on an end of a surface of each push button portion. One end of each arm portion which is far from each push button portion is fixed to the case. Each supporting convex portion is provided so as to contact a position nearer each arm portion relative to a center of each push button portion, on the surface of each push button portion during the operation of each push button portion. Each switch pushing convex portion actuates each switch when the operation of each push button portion has terminated. 
NEC Corporation
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inventional additional additional
Hiroshi
Yamada