Optical pick apparatus

Details Optical pick apparatus Optical pick apparatus

2011-04-05

2011-04-05

Klimowicz, William J (Department: 2627)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Having power driven optical transducer assembly

C359S821000, C359S823000, C369S044140

Reexamination Certificate

active

07921437

ABSTRACT:
An optical pickup apparatus including a first objective lens that focuses first laser light on an information recording layer of a first optical disc in a first mounting state where the first optical disc is mounted on a turntable; a second objective lens that focuses second laser light on an information recording layer of a second optical disc in a second mounting state where the second optical disc is mounted on the turntable, the second optical disc having an information recording format different from that of the first optical disc; and a lens holder that integrally holds the first objective lens and the second objective lens in an adjacent manner on the outside and inside, respectively, along a radial direction of the first optical disc in the first mounting state and of the second optical disc in the second mounting state.

REFERENCES:
patent: 5721723 (1998-02-01), Uchimaru et al.
patent: 5852595 (1998-12-01), Matsui
patent: 6021107 (2000-02-01), Tsukahara et al.
patent: 6314064 (2001-11-01), Ueda et al.
patent: 7656757 (2010-02-01), Kim et al.
patent: 06333255 (1994-12-01), None
patent: 08329517 (1996-12-01), None
patent: 09161289 (1997-06-01), None
patent: 09297927 (1997-11-01), None
patent: 2001319358 (2001-11-01), None
patent: WO 98/02874 (1998-01-01), None
English-machine translation of JP 09-297927 A (Sekimoto Y), published on Nov. 18, 1997.
English-machine translation of JP 09-161289 A (Nakamura et al), published on Jun. 20, 1997.

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