IT1274848B - System for detecting vehicles in transit
- Google Patents
System for detecting vehicles in transit
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Publication number
IT1274848B
IT1274848BITBO940346AITBO940346AIT1274848BIT 1274848 BIT1274848 BIT 1274848BIT BO940346 AITBO940346 AIT BO940346AIT BO940346 AITBO940346 AIT BO940346AIT 1274848 BIT1274848 BIT 1274848B
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Arrangements For Transmission Of Measured Signals
(AREA)
Abstract
The system for detecting vehicles in transit along a track 2 comprises: a transmitter unit 16 and 12a located on one side of the track 2, having a plurality of infrared light-emitting diodes 17 and 12a which are multiplexed and modulated at a predetermined frequency, with a height essentially equal to the height of the wheels of the vehicle in transit; a receiver unit 18 and 14a located on an opposite side of the track 2, having a plurality of infrared light detectors 21 and 15a, with a height essentially equal to the height of the wheels of the vehicle in transit; and an electronic apparatus 22 for processing the electronic signals generated by the light detectors 21 and 15a, and comprising means of detecting the presence of a wheel and therefore an axle of the vehicle between the transmitter and receiver units. <IMAGE>
ITBO940346A1994-07-201994-07-20System for detecting vehicles in transit
IT1274848B
(en)
METHOD AND DEVICE FOR IDENTIFYING REMOTE TRANSMITTER UNITS IN A TIRE PRESSURE MONITORING SYSTEM OF A VEHICLE WITH SECONDARY MODULATION OF WHEEL ROTATION
ELECTRONIC TRANSCEIVER FOR VEHICLES WITH SOUND IMPULSES AND VISIVES FOR NOTICE OF DANGER OF COLLISION HAPPENED AT SHORT DISTANCE, NON-VISIBLE, BETWEEN VEHICLES AND ALARM FOR SAFETY DISTANCE ON 4 LATOS PREPARED FOR AUTOMATIC AUTOMATIC SYSTEM FOR BRAKE.