Systems for displaying images and related methods

Details Systems for displaying images and related methods Systems for displaying images and related methods

2011-03-29

2011-03-29

Lefkowitz, Sumati (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

Display power source

C345S204000, C315S219000

Reexamination Certificate

active

07916132

ABSTRACT:
A representative AC signal generating circuit includes a first capacitor, a second capacitor, a first switch, a second switch, a third switch and a fourth switch. The first capacitor is coupled between a first node and an AC signal. The second capacitor is coupled between a second node and the AC signal. The first switch is coupled between the first node and a first DC signal. The second switch is coupled between the second node and a second DC signal. The third switch is coupled between the first node and an output terminal. The fourth switch is coupled between the second node and the output terminal. The first switch and the fourth switch are synchronous, the second switch and the third switch are synchronous and the first switch and the second switch are asynchronous.

REFERENCES:
patent: 2002/0117972 (2002-08-01), Ito et al.
patent: 2002/0145599 (2002-10-01), Endo et al.
patent: 2003/0117387 (2003-06-01), Hung et al.
patent: 2007/0040825 (2007-02-01), Mamba et al.

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