Driving circuit and constant current driving apparatus using...

Details Driving circuit and constant current driving apparatus using... Driving circuit and constant current driving apparatus using...

2005-04-19

2005-04-19

Cunningham, Terry D. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S538000

Reexamination Certificate

active

06882186

ABSTRACT:
Each of a plurality of driving circuits constituting a constant current driving apparatus is composed of a first current mirror circuit and a second current mirror circuit. The first current mirror circuit outputs a plurality of output currents, each of which corresponds to a reference current. Accordingly, the variation in the output current can be reduced between the driving circuits adjacent to each other.

REFERENCES:
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patent: 6326836 (2001-12-01), Kipnis
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patent: 6384638 (2002-05-01), Nayebi et al.
patent: 2000-293245 (2000-10-01), None
Adel S. Sedra and Kenneth C. Smith, “Microelectronics Circuits, Third Edition,” Saunders College Publishing, 1991, p. 432.

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