Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Synchronizing
Reexamination Certificate
2007-08-14
2007-08-14
Nguyen, Linh My (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Synchronizing
C327S156000, C327S536000
Reexamination Certificate
active
11188833
ABSTRACT:
A charge pump generates a first sub up current and a second sub up current that vary complementarily with a change in a voltage at an output terminal. The charge pump also generates a first sub down current and a second sub down current that vary complementarily with the change in the voltage at the output terminal. With such complementary relationships, the total up/down currents remain substantially constant and balanced with the change in the voltage at the output terminal.
REFERENCES:
patent: 5008637 (1991-04-01), Ray
patent: 5592120 (1997-01-01), Palmer et al.
patent: 5663689 (1997-09-01), Baumgartner et al.
patent: 6107889 (2000-08-01), Strange et al.
patent: 6853253 (2005-02-01), Desortiaux
Japanese Patent Application No. 11-088402 to Kokubo et al, having Publication date of Oct. 13, 2000 (w/ English Abstract page).
Japanese Patent Application No. 11-037065 to Diorio, having Publication date of Oct. 29, 1999 (w/ English Abstract page).
Choi Monica H.
Nguyen Linh My
O'Toole Colleen
Samsung Electronics Co,. Ltd.
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