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Your search returned 33 patents.
( 720/681 in Current US Classification )
1
Patent IDTitleDate Filed
6404728 Apparatus and method for driving objective lens August 2, 1999
6339511 Lens actuator and optical disk recording and reading apparatus using the same June 20, 2000
6259671 Object lens actuator April 27, 1999
6185180 Optical pickup device and optical disc device December 23, 1997
6181670 Objective lens mounting apparatus and objective lens driving apparatus February 2, 1998
5793728 Disc blocker and guide for CD player July 19, 1993
5726968 Electro-optical scanning device, hinge element for use in the scanning device, and optical player comprising the scanning device November 9, 1992
5659525 Objective lens drive unit having shaped magnetic pieces for providing a restoring force October 13, 1994
5553052 Inclination of an objective lens in an optical information system August 2, 1994
5418772 Electromagnetic objective lens driving apparatus of optical data recording and reproducing apparatus including a one-piece yoke member July 28, 1993
5265079 Seek actuator for optical recording February 15, 1991
5182738 Objective lens actuator using a balance weight therein May 11, 1992
5043972 Optical component-driving device for optical pickup July 3, 1989
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