公开(公告)号：US09228916B2

公开(公告)日：2016-01-05

申请号：US13842152

申请日：2013-03-15

Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

Inventor： Lorenzo Valdevit ,  Kivanc Azgin

IPC: G01L25/00 ,  G01L1/00 ,  G01L1/10 ,  G01N33/20

CPC classification number: G01L25/00 ,  G01L1/00 ,  G01L1/10 ,  G01N33/203

Abstract: Self calibrating micro-fabricated load cells are disclosed. According to one embodiment, a self calibrating load cell comprises a resonant double ended tuning fork force sensor and a phase locked loop circuit for detection of frequency changes upon external load application to the resonant double ended tuning fork force sensor.

Abstract translation: 公开了自校准微型测力传感器。 根据一个实施例，自校准称重传感器包括谐振双端音叉力传感器和用于在外部负载施加到谐振双端音叉力传感器时检测频率变化的锁相环电路。

公开(公告)号：US20130276510A1

公开(公告)日：2013-10-24

申请号：US13842152

申请日：2013-03-15

Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

Inventor： Lorenzo Valdevit ,  Kivanc Azgin

IPC: G01L25/00 ,  G01L1/00

CPC classification number: G01L25/00 ,  G01L1/00 ,  G01L1/10 ,  G01N33/203

Abstract: Self calibrating micro-fabricated load cells are disclosed. According to one embodiment, a self calibrating load cell comprises a resonant double ended tuning fork force sensor and a phase locked loop circuit for detection of frequency changes upon external load application to the resonant double ended tuning fork force sensor.

Abstract translation: 公开了自校准微型测力传感器。 根据一个实施例，自校准称重传感器包括谐振双端音叉力传感器和用于在外部负载施加到谐振双端音叉力传感器时检测频率变化的锁相环电路。