Structure of aperture antenna and radar system using same

Details Structure of aperture antenna and radar system using same Structure of aperture antenna and radar system using same

1998-03-26

1999-11-02

Pihulic, Daniel T.

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

Return signal controls external device

Radar mounted on and controls land vehicle

G01S 1393

Patent

active

059779047

ABSTRACT:
An aperture antenna suitable for a radar system of an automotive vehicle is provided which includes three or more primary radiators and a feeding circuit. The feeding circuit is designed to supply electromagnetic signals to adjacent two of the primary radiators through discrete feeders to radiate in phase electromagnetic waves and to extract signals received by the two of the primary radiators separately. This enables the radiation of radar waves over a wider area without increasing the radiation power.

REFERENCES:
patent: 4890267 (1989-12-01), Rudolph
patent: 5422649 (1995-06-01), Huang
patent: 5448244 (1995-09-01), Komatsu et al.
patent: 5485162 (1996-01-01), Sezai
patent: 5506589 (1996-04-01), Quan et al.
patent: 5619208 (1997-04-01), Tamatsu et al.
patent: 5724042 (1998-03-01), Komatsu et al.
patent: 5731778 (1998-03-01), Nakatani et al.
patent: 5757307 (1998-05-01), Nakatani et al.

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