Recording apparatus and recording medium, and computer program

Details Recording apparatus and recording medium, and computer program Recording apparatus and recording medium, and computer program

2006-04-13

2010-12-14

Hindi, Nabil Z (Department: 2627)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S053230, C369S124030

Reexamination Certificate

active

07852726

ABSTRACT:
A recording apparatus includes: a recording device for recording data onto each of a plurality of types of recording media by irradiating a light beam corresponding to each of the types of recording media; a diffracting device disposed on an optical path of the light beam from the recording device to the recording medium, for generating a main beam and a plurality of sub beams by diffracting the optical beam, the main beam recording data and performing a tracking process, the sub beams performing the tracking process, an amplitude of a tracking signal generated by each or one portion of the sub beams and by the main beam being maximum; a controlling device for controlling the diffracting device to adjust a position on which each of the plurality of sub beams is focused, in accordance with the type of the recording medium; and a tracking device.

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“Optical Head for Magneto-optical Disk,” Elec. Mat., vol. 27, No. 7, pp. 73-74 (Jul. 1, 1988) (with translation).

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