Miniaturized calculator keyboard switch assembly having universally pivoted key actuators
作者： Shin Ojima
DOI:
关键词: Actuator 、 Calculator 、 Computer hardware 、 Computer science 、 Engineering drawing
摘要: A portable electronic calculator comprises a body which supports keyboard consisting of single elongated row keys each is adapted to be tilted in any one four directions by the finger tip user input selected different information signals from said key circuit located within body. The results calculation are supplied an indicator for viewing through opening disposed alignment with keys.
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