| 摘要 |
PURPOSE:To prevent the vibration of a crystal vibrator from changing due to an external mechanical impulse by giving a constitution where the crystal vibrator is so supported and stored that only the part near the base of the can sealing part where the lead of the crystal vibrator is led out may contact with the hole of a bock body. CONSTITUTION:a crystal vibrator is so supported and stored that only the part near the base of the sealing part where a lead is led out may contact with block body 13. Then, even if a mechanical impulse is applied from the external to block body 13, the tip of the crystal vibrator is prevented from being affected by the mechanical impulse and can hold a fixed vibration frequency. Further, since the crystal vibrator is stored and supported in the block body, the electronic unit can be made compact. |
