OPTICAL SPOT MARKER DEVICE AND VEHICULAR RECEPTION DEVICE
PROBLEM TO BE SOLVED: To provide an optical spot marker device that is easy to install and establishes reliable communication. SOLUTION: The spot marker 13, which comprises a transmission circuit 20 for generating driving signals and a first and a second infrared LED 21 and 22 driven for lighting by...
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| creator | WATANABE KAZUYA KIMURA KENJI KUZUTANI KEIJI |
| description | PROBLEM TO BE SOLVED: To provide an optical spot marker device that is easy to install and establishes reliable communication. SOLUTION: The spot marker 13, which comprises a transmission circuit 20 for generating driving signals and a first and a second infrared LED 21 and 22 driven for lighting by the driving signals to transmit a first and a second infrared signal, is buried in a road 12. The spot marker 13 transmits the first and second infrared signals to a vehicle 11 passing the installation position of the spot marker 13 to provide the vehicle 11 with road information about a position spaced a given distance from the installation position. COPYRIGHT: (C)2004,JPO&NCIPI |
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SOLUTION: The spot marker 13, which comprises a transmission circuit 20 for generating driving signals and a first and a second infrared LED 21 and 22 driven for lighting by the driving signals to transmit a first and a second infrared signal, is buried in a road 12. The spot marker 13 transmits the first and second infrared signals to a vehicle 11 passing the installation position of the spot marker 13 to provide the vehicle 11 with road information about a position spaced a given distance from the installation position. 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| language | eng |
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| subjects | ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FIXED CONSTRUCTIONS PHYSICS SIGNALLING TRAFFIC CONTROL SYSTEMS TRANSMISSION |
| title | OPTICAL SPOT MARKER DEVICE AND VEHICULAR RECEPTION DEVICE |
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