Optical pickup and optical information processing

专利名称：Optical pickup and optical information

processing apparatus with light sources ofthree different wavelengths

发明人：Hideaki Hirai申请号：US11580019申请日：20061013公开号：US07848209B2公开日：20101207

专利附图：

摘要：An optical pickup apparatus for performing recording, reproduction anddeletion of information onto each of three types of optical recording mediums including

light sources of a blue wavelength zone, light sources of a red wavelength zone and lightsources of an infrared wavelength zone. The optical pickup apparatus also has a singleobject lens which condenses a light from any of the light sources and a single aberrationcorrection device disposed in a common light path between each of the light sources andthe object lens.

申请人：Hideaki Hirai

地址：Kanagawa JP

国籍：JP

代理机构：Dickstein Shapiro LLP

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