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automatic gefahrenwarneinrichtung with unfallschalter with automatic or manual empfangsmodulationsfrequenzumschaltung
automatic gefahrenwarneinrichtung with unfallschalter with automatic or manual empfangsmodulationsfrequenzumschaltung
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机译:带事故开关的自动危险警告装置,具有自动或手动接收调制频率切换
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摘要
Hazard warning signal consisting of a radio receiver carried on the vehicle and tuned to respond to frequency modulations transmitted at certain points to indicate danger, as in 2029322 is improved to avoid confusion to the driver when travelling along a duel carriage way, where by only one direction is affected. The danger warning has a manual or automatic frequency modulation switch-overs which respond to small area transmitters working on the same carrier frequence. The high frequency signals indicating a hazard, are received by the antenna and re-transmitted via the switch-over to give a warning signal to other vehicles. A control lamp indicates that the receiver is tuned over to the correct frequency.
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