Level shift device having reduced error in the duty ratio of...

Details Level shift device having reduced error in the duty ratio of... Level shift device having reduced error in the duty ratio of...

2007-09-04

2010-02-23

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C327S175000

Reexamination Certificate

active

07667520

ABSTRACT:
The level shift device of the present invention comprises: a level shift circuit which converts a voltage level of a single input signal; and a duty correcting circuit which offsets a difference in the duty of an output signal of the level shift circuit with respect to the duty of the input signal.

REFERENCES:
patent: 5912574 (1999-06-01), Bhagwan
patent: 5977807 (1999-11-01), Watanabe
patent: 2004/0085114 (2004-05-01), Hong et al.
patent: 2004/0257142 (2004-12-01), Kanno et al.
patent: 2005/0134355 (2005-06-01), Maede et al.
patent: 2006/0066349 (2006-03-01), Murakami
patent: 2006/0261851 (2006-11-01), Kim

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