| 摘要 |
An athletic training unit having a radio receiver and speakers for informing a music and instructor's messages to an exerciser by a wireless manner. A desired rhythm signal is selectively supplied to the speakers from a rhythm generator so as to provide the musical rhythm to the exerciser. The unit further has a sensor for detecting the pulse of the exerciser so that the exerciser is noticed a fact that his pulse exceeds his safety upper limit for exercising. As the pulse sensor, a pair of an infrared LED and a photo transistor is used.
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