<p>A system comprising an amplifier for amplifying signals of frequencies less than one kilohertz generated by a vibration sensor and using the amplified signal to amplitude modulate a carrier signal at a frequency in excess of one kilohertz and applying the amplitude modulated carrier signal to a sensor interface circuit.</p>
申请公布号
EP2194365(A1)
申请公布日期
2010.06.09
申请号
EP20090175000
申请日期
2009.11.04
申请人
ALTRONIC, LLC
发明人
LEPLEY, JOSEPH M;YOHMAN, RICHARD D.;WICK, THOMAS C.