Zhejiang Tianqi Electric Co., Ltd.
Main products:cabinet,plastic box,iron box,stainless steel,fiberglass box
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Contact Us
  • Contact Person : Ms. Lee Shirley
  • Company Name : Zhejiang Tianqi Electric Co., Ltd.
  • Tel : 86-577-62627477
  • Fax : 86-577-62627466
  • Address : Zhejiang,Huzhou,Tianzi Lake Industrial zone,Gaoyu,Anji,Huzhou,Zhejiang,China
  • Country/Region : China
  • Zip : 313310

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Product Detailed
An optical power stabilizing device for use in an optical information recording and reproducing appa

An optical power stabilizing device for use in an optical information recording and reproducing apparatus is disclosed. The device comprises a light source for generating a light output power having a non-linear characteristic to a driving current or voltage thereof, a light detection circuit coupled to the light source for detecting a part of the output light to generate an electric signal, a signal treating circuit connected to the light detection circuit for treating the detected electric signal, a circuit connected to the signal treating circuit for compensating the current or voltage to be supplied to the light source in accordance with the temperature variation, and a control circuit connected to the signal treating circuit and the compensation circuit for controlling the current or voltage to be supplied to the light source.

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