Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2007-06-29
2009-10-13
Donovan, Lincoln (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C327S535000, C327S538000, C327S539000, C327S540000
Reexamination Certificate
active
07602230
ABSTRACT:
An integrated control circuit for a charge pump includes a first device for regulating the output voltage of the charge pump and a second device for increasing the output voltage from the charge pump with a set ramp. The integrated circuit includes means for activating said first device and providing it with a first value of a supply signal in a first period of time and for activating the second device and providing it with a second value of the supply signal that is greater than the first value in a second period of time after the first in such a way that the output voltage of the charge pump ascends a ramp from a first value to a second value that is greater than the first value, the second value being fixed by reactivation of the first device.
REFERENCES:
patent: 5359552 (1994-10-01), Dhong et al.
patent: 6320796 (2001-11-01), Voo et al.
patent: 6480427 (2002-11-01), Kuriyama
patent: 2003/0006742 (2003-01-01), Jahanshir et al.
patent: 2003/0218453 (2003-11-01), Castaldo et al.
patent: 2006/0133149 (2006-06-01), Chae et al.
European Search Report EP 06 42 5465; Feb. 2, 2007.
Castaldo Enrico
Conte Antonino
Giudice Gianbattista Lo
Donovan Lincoln
Hogan & Hartson LLP
Poos John W
STMicroelectronics S.R.L.
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