Communications: directive radio wave systems and devices (e.g. – Transmission through media other than air or free space
Patent
1992-03-09
1993-07-13
Tubbesing, T. H.
Communications: directive radio wave systems and devices (e.g.,
Transmission through media other than air or free space
342 27, G01S 1304
Patent
active
052277992
ABSTRACT:
A road void search radar system includes a rotary encoder, a radar controller, an analyzer, and a recording unit. The rotary encoder generates a pulse signal having a period corresponding to a predetermined distance interval traveled by a vehicle. The radar controller outputs a wave every time the pulse signal is supplied from the rotary encoder. The analyzer analyzes an underground state by processing the output signal received from the radar controller. The recording unit records digital data signals and analyzes results.
REFERENCES:
patent: 4698634 (1987-10-01), Alongi et al.
patent: 4967199 (1990-10-01), Gunton et al.
Kimura Noriaki
Konishi Masuo
Murasawa Kanji
Mitsui Engineering & Shipbuilding Co. Ltd.
Tubbesing T. H.
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