A clamp is used in some data sets to hold receiver output constant and avoid troublesome noise interference when no data signals are being received.

钳位电路用于某些数据设备可使接收器输出为常量，并且可在没有收到数据信号时避免噪音干扰。

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The utility model has the advantages of multiple uses, no noise and interference, and massage and health care effects, and is a necessary article for families' daily life.

本实用新型具有一枕多用、无噪音、无干扰以及按摩保健的作用，是家庭必备的生活用品。

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