Current drive device

Details Current drive device Current drive device

2007-01-11

2010-12-28

Nguyen, Kimnhung (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S082000, C323S312000, C327S103000

Reexamination Certificate

active

07859490

ABSTRACT:
The current drive device of the present invention includes: a current source transistor for allowing a preset drive current to flow to a drain; a cascode transistor cascode-connected to the current source transistor; a switch circuit for switching ON/OFF flow of the drive current through the drain of the cascode transistor and a circuit to be driven; and a bypass circuit for allowing the drive current to flow therethrough to bypass the switch circuit and the circuit to be driven when the switch circuit is OFF.

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patent: 2004-198770 (2004-07-01), None
patent: 2005-049632 (2005-02-01), None

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