| 摘要 |
A battery operated lighter equipped with a digital timepiece including an ignition circuit for generating an electric spark to ignite a lighter fuel, a timepiece circuit being electrically connected to the ignition circuit and adapted to operate a digital time display, a casing for housing therein the ignition circuit and the timepiece circuit, and a circuit for preventing a noise signal caused by operation of the ignition circuit from affecting the timepiece circuit.
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