Analysis apparatus and analysis disc used for the same

Details Analysis apparatus and analysis disc used for the same Analysis apparatus and analysis disc used for the same

2003-05-29

2008-09-09

Luu, Thanh X (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

C369S116000

Reexamination Certificate

active

07423246

ABSTRACT:
It is an object of the present invention to provide an analysis apparatus which can achieve an image with a proper contrast even from an analysis object on an analysis optical disc. When an image is obtained from an analysis object111, a control unit (210) switches a switch (208) in such a way that a detection signal of laser light has a constant average value, the laser light having been emitted to the analysis optical disc and reflected thereon or passed therethrough, and the control unit (210) feeds back the output signal of an integrating circuit (209) to an APC circuit (115) for controlling a laser drive circuit (116).

REFERENCES:
patent: 2003/0224457 (2003-12-01), Hurt et al.
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patent: WO 96/09548 (1996-03-01), None
patent: WO99/24822 (1999-05-01), None

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