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Optical disk drive having a low-emission high-bandwidth laser driver

  • US 5,307,337 A
  • Filed: 07/17/1992
  • Issued: 04/26/1994
  • Est. Priority Date: 07/17/1992
  • Status: Expired due to Fees
First Claim
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1. An optical recording system having a light means for generating a light beam to write data to and read data from a storage medium, a modulating means for suppressing instabilities of said light means, and an apparatus for driving said light means, said apparatus comprising:

  • a transistor coupled to said light means for supplying current to said light means;

    a shielding means enclosing said modulating means and said transistor for containing radio frequency energy emitted from said modulating means;

    an amplifier coupled to said transistor for driving a base of said transistor to control a power level of said light means.

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