Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Radar mounted on and controls land vehicle
Patent
1995-11-15
1998-02-10
Sotomayor, John B.
Communications: directive radio wave systems and devices (e.g.,
Return signal controls external device
Radar mounted on and controls land vehicle
342 85, 342 87, 342 99, G01S 1393
Patent
active
057173990
ABSTRACT:
A radar device for vehicle use which can be manufactured inexpensively while enhancing its monitoring function for an adjacent object as well as a remote object. The radar device includes a radar module for monitoring an adjacent object having a plurality of adjacent object monitoring antennas, a signal transmitting/receiving section for supplying transmitting signals to the adjacent object monitoring antennas and outputting signals by mixing the transmitting signals with received signals supplied from the adjacent monitoring antennas and a delay circuit inserted between the signal transmitting/receiving section and the adjacent object monitoring antennas. The radar device also includes a module for monitoring a remote object having a remote object monitoring antenna and a signal transmitting/receiving section for supplying transmitting signals to the remote object monitoring antenna and generating signals by mixing the transmitting signals with received signals supplied from the remote monitoring antenna. The radar device has a monitoring control section for controlling the operations of both the radar module for monitoring an adjacent object and the radar module for monitoring a remote object and the monitoring control section receives the signals output from the radar modules and detects the range to the object which generates reflected signals based on the beat signals.
REFERENCES:
patent: 5181037 (1993-01-01), Komatsu
patent: 5229774 (1993-07-01), Komatsu
Shingyoji Masahito
Urabe Masanobu
Honda Giken Kogyo Kabushiki Kaisha
Sotomayor John B.
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