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US 10,520,657 B2Granted
Radar systems and methods for detecting objects
AssigneeCCTEG (China Coal Technology and Engineering Group Corp)
InventorsMichael Dean, Haozhe Dong
Life of this patent
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Abstract
A radar system for detecting objects can comprise an RF transmitter that emits RF light and at least one light source that emits visible light in response to the RF light detecting the presence of an object. The system can include a dielectric lens that collects and focuses the RF light. The dielectric lens can also include features that collect and scatter the visible light.
Claims20
A radar system for detecting objects, comprising:
- a housing;
- an RF transmitter coupled to the housing, wherein the RF transmitter emits an RF signal defining waves between 0.3 GHz and 300 GHz along a first direction and a second direction that is not parallel to the first direction;
- at least one light source coupled to the housing, wherein the at least one light source emits visible light along the first direction and the second direction;
- and
- a dielectric lens coupled to the housing, wherein the dielectric lens collects the RF signal and focuses the RF signal, and wherein the dielectric lens collects visible light and scatters the visible light.
2 more elements
A dielectric lens, comprising:
- a dome-shaped lens having a first side and a second side opposite the first side, wherein the first side is substantially flat and the second side defines a dome-shape;
- at least one visible light diffusing-feature arranged and configured to collect visible light traveling towards the first side, and scatter the visible light from the second side;
- and
- a plurality of RF signal aiming features arranged and configured to collect an RF signal defining waves between 0.3 GHz and 300 GHz traveling towards the first side, and focus the RF signal from the second side.
1 more element
Dependencies are inferred from the claim text.