| 摘要 |
An improved vibrating element and a novel construction of an oscillator unit employing the vibrating element. The vibrating element is formed into a shape such that its vibrating part is divided into at least two prings with a slit therebetween. The width of the slit is uniform along the greater extent of said vibrating part from the open end thereof and is then gradually reduced substantially at a constant rate towards its closed end to thereby improve the shock resisting property of the vibrating element.
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