Myson Century, Inc.

Kee Lih Fann

Fang Zhang

Yuan Chih Chung

A signal conversion control circuit comprises an analog-to-digital converter, a first sample-and-hold circuit, a second sample-and-hold circuit, a first switch, a second switch, a third switch, and a fourth switch. The analog-to-digital converter has an input end for receiving an output signal of a touch screen. The first sample-and-hold circuit is configured to provide the analog-to-digital converter with a high-level reference voltage. The second sample-and-hold circuit is configured to provide the analog-to-digital converter with a low-level reference voltage. The first switch connects a supplied voltage to the touch screen. The second switch connects the touch screen to a ground potential. The third switch connects the supplied voltage to the first sample-and-hold circuit through the first switch. The fourth switch connects the ground potential to the second sample-and-hold circuit through the second switch.

Signal conversion control circuit for touch screen and method thereof

The method for automatically dispatching frames applied to a gateway comprises the steps of: using a first transceiver module to receive a plurality of frames from a network system; storing the frames in corresponding dispatch registers if at least a portion of the bits of the frames match one of a plurality of predetermined values; scheduling a dispatch order of the dispatch registers in accordance with a dispatch request; and dispatching frames stored in the dispatch registers to a second transceiver module in accordance with the dispatch order.

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Hsinchu County, Taiwan

Kee Lih Fann