1.  reading head
2.  sensing head
3.  reader head
4.  playback head

• 1. 读出头: playback head | read head | sensing head | reading head
• 2. 磁带读出头: magnetic tape read head
• 3. 多读出头: multireadhead

更多释义

• 1.本文介绍了激光读出头的工作原理，提出了一种采用激光读出头、运用光电方式对转轴扭矩进行测量的原理。
  The working principle of optical pickup and the measuring principle of rotation shaft torque using optical pickup and photoelectric method are introduced in this paper.
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