Tilt angle adjustment method for lens of optical pickup head and its device
The invention provides a tilt angle adjustment method for lens of optical pickup head and its device, which are applied to an on-track stage. The optical pickup head includes a sled, and the lens is disposed in the sled. The method includes first receiving a shift position of the lens with respect t...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention provides a tilt angle adjustment method for lens of optical pickup head and its device, which are applied to an on-track stage. The optical pickup head includes a sled, and the lens is disposed in the sled. The method includes first receiving a shift position of the lens with respect to the sled; next, inquiring a predefined tilt angle table based on the shift position to obtain a set of tilt angle control parameters; and finally, controlling the lens based on the tilt angle control parameters, so as to keep the lens in horizontal with respect to the sled. |
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