Dual-band antenna array and RF front-end for automotive radars

Details Dual-band antenna array and RF front-end for automotive radars Dual-band antenna array and RF front-end for automotive radars

2008-12-19

2010-11-09

Gregory, Bernarr E (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Return signal controls external device

Radar mounted on and controls land vehicle

C342S027000, C342S175000, C342S188000, C342S195000, C342S368000, C343S7000MS, C343S711000, C343S872000, C343S7000MS

Reexamination Certificate

active

07830301

ABSTRACT:
The automotive radar includes a printed circuit board having a top surface and a bottom surface, and a processor mounted on the bottom surface of the printed circuit board. The automotive radar also includes a second liquid crystal polymer layer formed on the top surface of the printed circuit board, a second microstrip array printed on the second liquid crystal polymer layer, the second microstrip array having a patch, a first liquid crystal polymer layer formed on the second liquid crystal polymer layer, a first microstrip array printed on the first liquid crystal polymer layer, the first microstrip array having a perforated patch, and a transmit/receive module connected to a bottom surface of the second liquid crystal polymer layer and configured to transmit a first frequency signal to the first microstrip array and a second frequency signal to the second microstrip array.

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