| 摘要 |
PROBLEM TO BE SOLVED: To provide a key-switch member with which visibility of a key top can be improved in a simple structure. SOLUTION: The key switch 10 is composed of a switch base plate 14 having one or a plurality of fixed contact points 24 on itself, a transparent key sheet 18 which is arranged facing at a predetermined distance over the switch base plate 14, pushing pieces 26 arranged in positions corresponding to the fixed contact points 24 below a bottom face 18c of the key sheet 18, a lighting means 34 arranged between the switch base plate 14 and the key sheet 18, and key tops 20 arranged in positions corresponding to the pushing pieces 26 on the upper face 18a of the key sheet 18. Below the bottom face 18c of the key sheet 18 under the keytop 20, a light collecting area 30 is formed to collect light from the lighting means 34. COPYRIGHT: (C)2007,JPO&INPIT
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