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Digital camera module having linear voice coil actuator

  • US 7,701,507 B2
  • Filed: 06/23/2006
  • Issued: 04/20/2010
  • Est. Priority Date: 10/28/2005
  • Status: Expired due to Fees
First Claim
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1. A digital camera module comprising:

  • a lens module configured for transmitting an image;

    an image sensor configured for receiving the image transmitted from the lens module and converting the image from a light signal form into an electronic signal form; and

    a linear voice coil actuator configured for driving the image sensor to move so as to properly receive the image transmitted from the lens module;

    wherein the linear voice coil actuator comprises;

    an elongated soft magnetic core;

    a tubular permanent magnet receiving the elongated soft magnetic core therein;

    a coil surrounding and moveable relative to the elongated soft magnetic core; and

    a sliding holder having;

    a fixing portion received in the tubular permanent magnet and fixedly coupled to the coil,a driving portion on which the image sensor is attached, the driving portion being configured for driving the image sensor to move, anda connecting portion interconnecting the fixing portion with the driving portion.

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