| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical detection apparatus which determines accurate optical intensity. Ž<P>SOLUTION: The optical detection apparatus includes: FETs 1, 2; a capacitor 3 connected to the source and gate of the FET 1; a capacitor 4 connected to the source and gate of the FET 2; a switch 5 for opening/closing the gate of the FET 1 and the gate of the FET 2; a switch 6 for opening/closing the source of the FET 1 and a ground node; a switch 7 for opening/closing the source of the FET 1 and an output node of a power supply outputting -5[V]; a switch 8 for opening/closing the gate of the FET 2 and the drain of the FET 2; and a switch 9 for opening/closing the drain of the FET 2 and an output node of a power supply outputting +5[V]. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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