- All sections
- G - Physics
- G01S - Radio direction-finding; radio navigation; determining distance or velocity by use of radio waves; locating or presence-detecting by use of the reflection or reradiation of radio waves; analogous arrangements using other waves
- G01S 3/54 - Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal the apparent movement of the antenna being produced by coupling the receiver cyclically and sequentially to each of several fixed spaced antennas
Patent holdings for IPC class G01S 3/54
Total number of patents in this class: 3
10-year publication summary
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1
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Crfs Limited | 21 |
1 |
Iseeloc, Inc. | 4 |
1 |
Tracking Systems AS | 1 |
1 |
Other owners | 0 |