1. Stack Structured Crystal Oscillator (Register No: 10-0963249) dated on Jun 4, 2010

: When the discrete circuit is used to improve the phase noise of crystal oscillator, the stack structured PCB enables to decrease PCB layout area.

2. Crystal Oscillator (Register No: 10-0983413) dated on Sep 14, 2010

: The J-lead clips with conductivity and elasticity on PCB enable to prevent cold solder and be strong to physical collision.