Invention Grant
- Patent Title: 2D compact reactive beam forming network for automotive radars
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Application No.: US16148553Application Date: 2018-10-01
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Publication No.: US10935632B2Publication Date: 2021-03-02
- Inventor: Jamal Izadian
- Applicant: Waymo LLC
- Applicant Address: US CA Mountain View
- Assignee: Waymo LLC
- Current Assignee: Waymo LLC
- Current Assignee Address: US CA Mountain View
- Agency: McDonnell Boehnen Hulbert & Berghoff LLP
- Main IPC: G01S7/32
- IPC: G01S7/32 ; H01Q21/00 ; G01S7/03 ; H01Q3/40 ; H01Q1/32 ; G01S13/931

Abstract:
A radar system includes a plurality of radiating elements configured to radiate electromagnetic energy and a plurality of feed waveguides defining a common plane and configured to guide electromagnetic energy to the plurality of radiating elements. The radar system also includes a plurality of waveguides arranged as a dividing network. The dividing network is also configured to split the electromagnetic energy from the source among the plurality of feed waveguides, such that each feed waveguide receives a respective portion of the electromagnetic energy. Additionally, the dividing network is configured to adjust a phase of the electromagnetic energy received by each waveguide. The splitting and adjusting of the dividing network may be based on differences in width between the waveguides of the dividing network and the feed waveguides. The dividing network of waveguides is located in the common plane of the feed waveguides.
Public/Granted literature
- US20190033426A1 2D Compact Reactive Beam Forming Network for Automotive Radars Public/Granted day:2019-01-31
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