Current voltage converter circuit

Details Current voltage converter circuit Current voltage converter circuit

2007-06-05

2007-06-05

Luu, Thanh X. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S2140RC, C330S308000

Reexamination Certificate

active

11118347

ABSTRACT:
A current voltage converter circuit includes a light receiving element which receives a light output from a laser and generates a light current according to the light output, a current distributor circuit which distributes the light current from the light receiving element, the current distributor circuit being configured of a current mirror circuit which includes a transistor pair and a first operating amplifier. The current voltage converter circuit further includes a voltage converter circuit which converts a current distributed by the current distributor circuit into a voltage, the voltage converter circuit including a second operating amplifier.

REFERENCES:
patent: 5004901 (1991-04-01), Yoshimoto et al.
patent: 5174909 (1992-12-01), Ward
patent: 5981936 (1999-11-01), Fujiie
patent: 6175278 (2001-01-01), Hasegawa
patent: 6184752 (2001-02-01), Dautriche
patent: 2003/0160152 (2003-08-01), Ban et al.
patent: 10-256841 (1998-09-01), None

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