Rail state monitoring apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11001282
APP PUB NO 20200130717A1
SERIAL NO

16169200

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Abstract

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A rail state monitoring apparatus (1) includes: first and second transmission antennas (101, 102) to transmit first and second electric signals to rails (5, 6), respectively; first reception antenna (201) to receive a surface wave (21) of the first electric signal propagated through rail (5) and guided wave (32) of the second electric signal propagated through loop coil (10); second reception antenna (202) to receive surface wave (22) of the second electric signal propagated through rail (6) and guided wave (31) of the first electric signal propagated through loop coil (10); and a processor. The processor obtains received powers of the respective electric signals received by first and second reception antennas (201, 202), determines a rail state from “good”, “rail broken”, “rail crack”, or “rail surface anomaly” based on the received powers, and outputs the rail state as rail state information.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI ELECTRIC CORPORATION7-3 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 100-8310
MITSUBISHI ELECTRIC RESEARCH LABORATORIES INC201 BROADWAY CAMBRIDGE MA 02139

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Makino, Kenzo Chiyoda-ku, JP 74 326
Takami, Atsushi Chiyoda-ku, JP 26 72
Tsujita, Wataru Chiyoda-ku, JP 39 111
Wang, Bingnan Cambridge, US 62 790

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