Torque detection apparatus
US6381526B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2000 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | Aug 10, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L25/003
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A torque detection apparatus includes a torque sensor, a sensor circuit, a signal processing circuit, and an abnormal state monitoring circuit. The torque sensor is arranged on a rotary shaft and operates to output a predetermined electric signal related to a torque applied to the rotary shaft. The sensor circuit outputs the predetermined electric signal as a sensor circuit signal. The signal processing circuit processes the sensor circuit signal in order to output a torque detection signal. The abnormal state monitoring circuit is arranged proximate the signal processing circuit and operates according to the sensor circuit signal to detect an abnormal operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.