Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2005-07-05
2005-07-05
Cunningham, Terry D. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C327S534000, C327S536000, C327S540000, C327S545000
Reexamination Certificate
active
06914473
ABSTRACT:
The invention relates to a circuit arrangement which includes a subvoltage generating unit and a voltage multiplier for generating at least one voltage Vmult, it being arranged to control the voltage multiplier by switching the voltage multiplier to a direct mode during a start time. The invention also relates to an arrangement for driving a display device, to a display device which includes such an arrangement, to an electronic apparatus which is provided with a display device for the display of image data which includes an arrangement for driving the display unit, and to a method of starting a circuit arrangement15which includes a subvoltage generating unit40, a voltage multiplier20and a start control unit30. In order to enable reliable and fast starting of such a circuit arrangement15while effectively using the available current and space at the same time, it is proposed to switch the voltage multiplier20to a direct mode by means of an initial start signal36during an adaptive start time ts, the variation of an activation signal32generated in the start control unit30being monitored and the control of the voltage multiplier (20) taking place in dependence thereon.
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Cunningham Terry D.
Koninklijke Philips Electronics , N.V.
Simons Kevin
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