| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable sheet type keyboard which can be easily operated by an operator even in a dark space. SOLUTION: The sheet type keyboard is provided with: a contact board 10 being a substrate formed of a conductor; a key top 20 showing key sections 20a to 20c; an EL back light 30 installed between the contact board 10 and the key top 20; and a switch unit 40 arranged at each of the key sections 20a to 20c indicated on the key top 20, and configured of a conductor 40a installed at the EL back light 30 side on the contact board 10 and a conductor 40b installed at the contact board 10 side on the EL back light 30. COPYRIGHT: (C)2011,JPO&INPIT
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