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US 2021/0239794 A1Published application
Radar sensor and robot using the same
AssigneeABB Schweiz AG
InventorMathias Fauth
Life of this patent
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Abstract
A radar sensor includes: a transceiver unit for emitting a radar beam along a beam path in an outgoing direction and receiving radar radiation along the beam path in an incoming direction; and a reference object placed in the beam path to redirect part of the outgoing radar beam in the incoming direction. The reference object is one of a plurality of reference objects placed in the radar beam. A size of the reference objects in at least one dimension is smaller than a wavelength of the radar beam.
Claims17
A radar sensor, comprising:
- a transceiver unit configured to emit a radar beam along a beam path in an outgoing direction and to receive radar radiation along the beam path in an incoming direction;
- and
- a reference object placed in the beam path configured to redirect part of the outgoing radar beam in the incoming direction,
- wherein the reference object is one of a plurality of reference objects placed in the radar beam, and
- wherein a size of the reference objects in at least one dimension is smaller than a wavelength of the radar beam.
2 more elements
Dependencies are inferred from the claim text.