OPTICAL PICKUP
PROBLEM TO BE SOLVED: To provide an optical pickup reducing pressing force and a slide resistance load, eliminating a teeth-jump and capable of a high speed seek. SOLUTION: A moving means loading an optical read means and moving in the radial direction of an optical disk is provided with a reed scre...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To provide an optical pickup reducing pressing force and a slide resistance load, eliminating a teeth-jump and capable of a high speed seek. SOLUTION: A moving means loading an optical read means and moving in the radial direction of an optical disk is provided with a reed screw shaft 31, a rack tooth 32a engaged with a groove 31a provided on this reed screw shaft 31 and a rack spring 33 pressure energizing the rack 32 to the reed screw shaft 31, and the groove 31a is provided with a tilt angle within the range of 30 deg.-50 deg., and the rack spring 33 is provided with the pressing force within the range of 15g-35g. |
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