Voltage level shifter and sequential pulse generator

Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Amplitude control

Reexamination Certificate

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Reexamination Certificate

active

07088165

ABSTRACT:
A voltage level shifter. The voltage level shifter comprises a shifter unit and a controller. The shifter unit outputs a third signal according to a first signal and a second signal. When the first signal remains at a first level a current path is formed in the shifter unit. The controller is coupled to the shifter unit and stops the current path when the first signal remains at the first level.

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patent: 6384808 (2002-05-01), Azami
patent: 6605963 (2003-08-01), Kitamoto et al.
patent: 6731273 (2004-05-01), Koyama et al.
patent: 6756835 (2004-06-01), Yu
patent: 6801053 (2004-10-01), Sun
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patent: 6972594 (2005-12-01), Yu
patent: 2004/0183568 (2004-09-01), Yu
patent: 1551502 (2004-12-01), None

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