| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric unit having an emergency button of a thin type which does not make any sound when operated in an emergency. SOLUTION: The emergency button structure is provided with a case 1, a sliding window 4 which is fixed along near both edge portions of open port 3 in a free returning movement and opens and closes the open port 3, a light receiving element 8 for receiving incident light from outside when the sliding window 4 is opened, and a controlling portion which decides that the sliding window 4 is opened by output of the light receiving element 8 and outputs an emergency signal. COPYRIGHT: (C)2009,JPO&INPIT
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