| 摘要 |
PROBLEM TO BE SOLVED: To provide a luminaire which is equipped with the utility of a portable luminaire, which can be carried without any resistance, in which there is no risk that a battery becomes dead, and which can be used at any time. SOLUTION: The portable telephone is provided with an electric lamp which is constituted of a lens, a reflector, a socket and a light source, a conductor which electrically connects the light source to the battery, and an electric lamp device which is constituted of a switch used to switch an electric circuit composed of the light source and the battery which are connected by the conductor.
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