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Method and apparatus for orally announcing vehicle speed
Method and apparatus for orally announcing vehicle speed
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机译:口头宣布车速的方法和装置
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摘要
Apparatus for orally announcing the speed of a moving vehicle. A radar speed detector produces a multi-digit binary-coded-decimal representation of vehicle speed. These signals are converted to a modulated audio frequency signal that a demodulator, audio amplifier and speaker convert into oral digits for the driver to hear.
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