Microwave and millimeterwave radar sensors

Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Radar mounted on and controls land vehicle

Reexamination Certificate

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Details

C342S059000, C342S100000, C342S103000, C342S159000, C342S195000

Reexamination Certificate

active

07737880

ABSTRACT:
A radar sensor system and method for vehicles. An example radar system includes a processor, a plurality of transceivers having antenna(e). The antenna of the transceivers are located at various points around the vehicle. The transceivers include receive and transmit electronics that are in signal communication with the corresponding antenna. The transmit electronics output radar signals via the antenna. The transmit electronics include a voltage controlled oscillator (VCO), a dielectric resonator oscillator (DRO), a phase locked loop (PLL) component and a direct digital synthesizer (DDS). The receive electronics receive from the antenna any radar reflections corresponding to the outputted radar signals and send signals associated with the radar reflections to the processor. The processor generates output signals based on the signals received from the plurality of transceivers.

REFERENCES:
patent: 5940457 (1999-08-01), Dreifuss et al.
patent: 6570458 (2003-05-01), Cuddy
patent: 6603367 (2003-08-01), Pao et al.
patent: 7324039 (2008-01-01), Boltovets et al.
patent: 7420502 (2008-09-01), Hartzstein et al.
patent: 2002/0196088 (2002-12-01), Cuddy
patent: 2005/0285773 (2005-12-01), Hartzstein et al.

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