Fitzpatrick, Cella, Harper & Scinto
Liquid crystal display keyboard
 A liquid crystal display keyboard has a keyboard which is arranged on a liquid crystal display and has upper and lower conductive films each having transparent electrodes arranged in spaced and facing relation to each other. An elastic member is arranged on the upper transparent conductive film. 
Canon Kabushiki Kaisha
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inventional inventional inventional
Kazuhiro
Arakawa