Driving circuit

Details Driving circuit Driving circuit

2006-11-22

2009-06-30

Nguyen, Long (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S108000, C327S376000, C327S377000

Reexamination Certificate

active

07554367

ABSTRACT:
The present invention provides a driving circuit. It includes a plurality of current mirrors to generate a first charge current and a second charge current in response to a reference current. A switch circuit generates a driving signal in response to an input signal. A driving switch is coupled between the first charge current and the switch circuit. Once the driving switch is turned on and the level of the input signal is in high level, the switch circuit generates the driving signal, the level of the driving signal-being in high level, in response to the first charge current and the second charge current. A detection circuit generates a control signal to turn on/off the driving switch. The detection circuit turns off the driving switch to disable the first charge current after a period of delay time when the level of the driving signal is in high level.

REFERENCES:
patent: 5796276 (1998-08-01), Phillips et al.
patent: 6414523 (2002-07-01), Yoshizaki
patent: 7282946 (2007-10-01), Har et al.

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