Method and apparatus for identifying a mover on a track
US-11643281-B2 · May 9, 2023 · US
used signal consists of two 180-degr. phase shifted signals of the same frequency · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G11B27/321 |
| Official title | {used signal consists of two 180-degr. phase shifted signals of the same frequency} |
| Display label | used signal consists of two 180-degr. phase shifted signals of the same frequency |
| Total patents | 5 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2019 | 1 |
| 2021 | 2 |
| 2023 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11643281-B2 · May 9, 2023 · US
US-2021139251-A1 · May 13, 2021 · US
US-10906748-B2 · Feb 2, 2021 · US
US-2019047794-A1 · Feb 14, 2019 · US
US-9600851-B2 · Mar 21, 2017 · US