Voltage divider circuit

Details Voltage divider circuit Voltage divider circuit

2007-09-04

2007-09-04

Tran, Anh Q. (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S033000, C326S083000, C345S099000, C345S100000

Reexamination Certificate

active

11163854

ABSTRACT:
The present invention provides a voltage divider circuit capable of reducing a number of external devices and lowering the cost and power consumption. The present invention includes a plurality of resistors connected in series, a plurality of buffers and at least one source driver IC. In addition, a first terminal of the first resistor is electrically connected to a DC voltage and the first terminal of each of the remaining resistors is electrically connected to the second terminal of the previous resistor. The second terminal of the last resistor is grounded. The buffers and the resistors are correspondingly electrically connected, wherein the first terminals of the resistors are electrically connected to their corresponding input terminals of buffers. Moreover, the output terminals of the buffers are electrically connected to source driver ICs, wherein the buffers are one of the built-in buffers in each source driver IC.

REFERENCES:
patent: 5859633 (1999-01-01), Kim
patent: 6249270 (2001-06-01), Ito
patent: 2004/0036706 (2004-02-01), Endou
patent: 2005/0012700 (2005-01-01), Hara
patent: 2003-295828 (2003-10-01), None
patent: 2003-316333 (2003-11-01), None
patent: 2004-085806 (2004-03-01), None

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