Bacon & Thomas
Foldable pushbutton-input device
 An improved foldable pushbutton-input device conformable to human body mechanism, wherein a plurality of assembly-jointing sections is defined by a plurality of properly spaced predetermined cutting lines on a baseboard; a circuit board made of a flexible material having a plurality of pushbutton-input circuit sections in positions corresponding with the assembly-jointing sections and also defined by the same cutting lines is attached on the baseboard; a signal-output circuit section is formed by extending the lateral edges of the pushbutton-input circuit sections and connected therewith; and a plurality of amount predetermined key sets is disposed on the circuit board or on the baseboard in virtue of the division cutting lines to thereby construct the foldable pushbutton-input device with a considerably reduced volume. 
Shin Jiuh Corp.
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H01H H01H H04M G06F H01H
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Chin-Wen
Chou