MOBILE POSITION DETECTOR, AND WIRELESS TRANSMITTER
PROBLEM TO BE SOLVED: To provide a mobile position detector including a ground communication device and an on-vehicle communication device and controlling operation of a mobile, in which secular change of an apparatus can be detected more accurately.SOLUTION: A mobile position detector comprises: an...
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| creator | MATSUSHIMA KIYOTO NAGASHIMA TOSHIO |
| description | PROBLEM TO BE SOLVED: To provide a mobile position detector including a ground communication device and an on-vehicle communication device and controlling operation of a mobile, in which secular change of an apparatus can be detected more accurately.SOLUTION: A mobile position detector comprises: an on-vehicle communication device including a communication antenna for communicating with a ground communication device; a power amplifier for amplifying a power wave signal being transmitted to the ground communication device; a directional coupler for branching a traveling power wave from the power amplifier and some of reflection power waves reflected from the communication antenna; and a test signal generation circuit for generating a test signal wave being transmitted from the ground communication device. The on-vehicle communication device includes a communication antenna communicating with the ground communication device, and a transmission antenna for transmitting a test signal wave. Failure is determined based on the traveling power wave, reflection power wave and test signal. |
| format | Patent |
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The on-vehicle communication device includes a communication antenna communicating with the ground communication device, and a transmission antenna for transmitting a test signal wave. 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The on-vehicle communication device includes a communication antenna communicating with the ground communication device, and a transmission antenna for transmitting a test signal wave. 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The on-vehicle communication device includes a communication antenna communicating with the ground communication device, and a transmission antenna for transmitting a test signal wave. Failure is determined based on the traveling power wave, reflection power wave and test signal.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TRANSMISSION TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR |
| title | MOBILE POSITION DETECTOR, AND WIRELESS TRANSMITTER |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-19T16%3A51%3A26IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=MATSUSHIMA%20KIYOTO&rft.date=2014-04-17&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EJP2014068090A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |