| 摘要 |
PROBLEM TO BE SOLVED: To provide a fire alarm of which push button is easily pushed even if being installed on a ceiling surface or the like. SOLUTION: The fire alarm in which a cylindrical detection part is formed at the center of a circular case body is provided with the push button in a size from the vicinity of the detection part to the vicinity of the outer periphery of the case body. Since the push button in such a size is formed, even when the fire alarm is on the installation surface of a ceiling or the like, the push button is easily operated because it is large, and the push button is easily pushed even by an elderly person without the need of setting a target. COPYRIGHT: (C)2006,JPO&NCIPI
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