发明名称 CRYSTAL RESONATOR
摘要 PURPOSE:To obtain a small-sized and high-performance crystal resonator for wristwatches through prevention of the decrease in Q owing to supports and reduction in the occurrence of spurious by improving the shape of the end part of a bar-form thickness slide type crystal resonator.
申请公布号 JPS5272590(A) 申请公布日期 1977.06.17
申请号 JP19750149351 申请日期 1975.12.15
申请人 SUWA SEIKOSHA KK 发明人 OGATA TOSHIAKI;MOMOZAKI EIJI
分类号 H03H9/19;H03H9/17 主分类号 H03H9/19
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