| 摘要 |
PURPOSE:To always operate a lens in a clean state at the time of recording reproduction of a signal, in an optical pickup of a CD-ROM writer. CONSTITUTION:In the optical pickup of the CD-ROM writer, two parallel elastic sliding rails 9 to which a slider 10 fixed piezoelectric vibrators 8 at both ends so as to straddle the lens 1 is engaged, are provided on an optical head structure 4 and a shutter blade 11 electrodeposited fibrous bristles on the rear is hung to two sliders 10. The piezoelectric vibrator 8 is oscillated with an operation device and the slider 10 is moved back and forth and the shutter blade 11 is made to rub the lens 11. |
