Optical pickup device

Details Optical pickup device Optical pickup device

2005-04-20

2008-10-21

Feild, Joseph (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

Reexamination Certificate

active

07440385

ABSTRACT:
An optical pickup device comprises a photodetector for receiving laser light reflected from a disc and a housing in which the photodetector is housed, and the photodetector is directly attached to the housing. Through the use of the optical pickup device, occurrence of positional deviation of the photodetector can be suppressed, even under greatly changing temperatures.

REFERENCES:
patent: 5247386 (1993-09-01), Saito
patent: 6664998 (2003-12-01), Kyoya et al.
patent: 7209412 (2007-04-01), Nagata et al.
patent: 2002/0172145 (2002-11-01), Fujita et al.
patent: 2001351262 (2001-12-01), None
patent: 2002251776 (2002-09-01), None
patent: 2002352445 (2002-12-01), None
patent: 2003-263751 (2003-09-01), None
Machine translation of Matsui, JP 2003-263751, published Sep. 19, 2003.
State Intellectual Property Office of P.R. China, “Notification of First Office Action,” (Jun. 9, 2006).

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