专利检索 ap:("Probe Technology Services, Inc.") AND inv:"Marvin Beckman" 第 1 页

1.

发明授权
Core-position sensor 有权

公开(公告)号：US11561113B2

公开(公告)日：2023-01-24

申请号：US16793342

申请日：2020-02-18

申请人： Probe Technology Services, Inc.

发明人： Marvin Beckman , Thientu Ho , Loi Tran , Mark Hastings , Terry Hendrix

IPC分类号： G01D5/22 , E21B47/00 , E21B47/085

摘要： A caliper-arm-position sensor comprising a differential variable reluctance transducer (DVRT) and circuits to drive the DVRT with a substantially sinusoidal signal and to sample a signal at the DVRT once per drive-signal cycle at a predetermined position in the drive-signal cycle is disclosed.

2.

发明申请
NOVEL CORE-POSITION SENSOR 审中-公开

公开(公告)号：US20200264014A1

公开(公告)日：2020-08-20

申请号：US16793342

申请日：2020-02-18

申请人： Probe Technology Services, Inc.

发明人： Marvin Beckman , Thientu Ho , Loi Tran , Mark Hastings , Terry Hendrix

IPC分类号： G01D5/22 , E21B47/08 , E21B47/00

摘要： A caliper-arm-position sensor comprising a differential variable reluctance transducer (DVRT) and circuits to drive the DVRT with a substantially sinusoidal signal and to sample a signal at the DVRT once per drive-signal cycle at a predetermined position in the drive-signal cycle is disclosed.