Signal processor and control apparatus
US10367521B2 · kind B2 · utility
1Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 2017 |
| Grant date | Jul 30, 2019 |
| Priority date | — |
| Expiry date | Feb 24, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M1/201
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides a signal processor that improves a resolution of a phase detection without increasing a clock frequency of a controller or decreasing a frequency of an excitation signal. A signal processor 10 includes a comparator 11 that compares a signal obtained by phase modulating a carrier frequency at a rotor rotation angle of a resolver with a dither signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.