Using unidirectional and omnidirectional antennas to determine whether object image is in camera viewfinder
US-10455156-B2 · Oct 22, 2019 · US
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the separate antennas comprising one directional antenna and one non-directional antenna, e.g. combination of loop and open antennas producing a reversed cardioid directivity characteristic
the separate antennas comprising one directional antenna and one non-directional antenna, e.g. combination of loop and open antennas producing a reversed cardioid directivity characteristic · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01S3/34 |
| Official title | the separate antennas comprising one directional antenna and one non-directional antenna, e.g. combination of loop and open antennas producing a reversed cardioid directivity characteristic |
| Display label | the separate antennas comprising one directional antenna and one non-directional antenna, e.g. combination of loop and open antennas producing a reversed cardioid directivity characteristic |
| Total patents | 3 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Not enough yearly data to assess filing trend yet.
| Year | Patents |
|---|---|
| 2019 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.