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US 7,679,846 B2Granted
Lens driving device, optical pick up device and adjusting method
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorsToshiya Matozaki, Nobuo Takeshita
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Abstract
A lens driving device according to the present invention includes a mounting base; a collimation lens that is engaged with the mounting base and movable in optical axis directions; and a driving source that moves the collimation lens in the optical axis directions, and the mounting base includes a fulcrum section with which, when the driving device is mounted on a base, a pitch angle and a roll angle of the driving device are adjusted with respect to the base and the optical axis.
Claims5
A lens driving device, comprising:
- a mounting base;
- a collimation lens that is engaged with the mounting base and movable in directions of an optical axis;
- and
- a driving source that moves the collimation lens in the optical axis directions, wherein the mounting base includes
- a fulcrum section with which the driving device is mounted to a base, and with which a pitch angle and a roll angle of the driving device are made adjustable with respect to the optical axis when the driving device is mounted;
- a spring that is in contact with the base;
- and
- a hole that is provided in a position on the opposite side, with respect to the optical axis, of the spring and through which a screw passes for fixing to the base, and the pitch angle is made adjustable by adjustment of the screw.
5 more elements
Dependencies are inferred from the claim text.