Recording apparatus and information processing apparatus...

Dynamic information storage or retrieval – Specific detail of information handling portion of system – Radiation beam modification of or by storage medium

Reexamination Certificate

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C369S124030

Reexamination Certificate

active

07944796

ABSTRACT:
A recording apparatus includes a first light source irradiating first laser light, a second light source irradiating second laser light, an optical spatial modulating unit applying information to the first laser light, and an objective lens collecting the first laser light and the second laser light at different positions on the same optical axis. A hologram recording operation uses a first optical path and a second optical path. The information light is conducted to the objective lens along the first optical path. The reference light is conducted to the objective lens along the second optical path. At the same time, an address/servo control operation is carried out by employing a third optical path along which the second laser light is conducted to the objective lens. The DVD recording operation uses the second optical path. The CD recording operation uses the third optical path.

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patent: 2002-123949 (2002-04-01), None
patent: 2003-178462 (2003-06-01), None
English language Abstract of JP 2002-123949, Apr. 26, 2002.
English language Abstract of JP 2003-178462, Jun. 27, 2003.

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