Voltage level generating device

Details Voltage level generating device Voltage level generating device

2008-04-08

2009-10-27

Zweizig, Jeffrey S (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S407000

Reexamination Certificate

active

07609105

ABSTRACT:
The present invention discloses a voltage level generating device. The voltage level generating device includes: a reference voltage generating module, a first circuit module, a second circuit module, and a switch module. The voltage level generating device disclosed in the present invention only requires a buffer, a voltage regulator, and a arithmetic logic unit (ALU) to attain the same function of the conventional common voltage level generating device, and thus the circuit layout area can be reduced so as to decrease the cost of the integrated circuit (IC). In addition, the voltage level generating device disclosed in the present invention also can select different output of voltage level in order to reduce the power consumption of a display device.

REFERENCES:
patent: 4769639 (1988-09-01), Kawamura et al.
patent: 5798741 (1998-08-01), Kajihara
patent: 7202880 (2007-04-01), Takahashi
patent: 7375725 (2008-05-01), Sato et al.
patent: 7385581 (2008-06-01), Kojima et al.
patent: 7420552 (2008-09-01), Kushima et al.
patent: 7528826 (2009-05-01), Lee et al.

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