Abstract: An eye diagram construction display apparatus includes an amplifier, a first equalizer, an addition unit, a second equalizer, a bit error rate check unit, a clock recovery unit, a clock synthesizer, a processing unit and a display unit. The first equalizer is electrically connected to the amplifier. The addition unit is electrically connected to the first equalizer. The second equalizer is electrically connected to the addition unit. The bit error rate check unit is electrically connected to the addition unit. The clock recovery unit is electrically connected to the addition unit and the bit error rate check unit. The clock synthesizer is electrically connected to the clock recovery unit. The processing unit is electrically connected to the addition unit, the bit error rate check unit and the clock recovery unit. The display unit is electrically connected to the processing unit.

Abstract: A touch input device includes a touch screen, a scan controlling unit and a UI control unit. The UI control unit is configured for identifying one or more effective touch regions according to a user interface displayed on the touch screen, and transmitting a region identifying signal to the scan controlling unit. The scan controlling unit is configured for determining one or more scan regions corresponding to the effective touch regions according to the region identifying signal, and activating a scan over the scan regions. A power saving method for the touch input device is also provided.

Abstract: An improved structure of a tea bag is disclosed. The bag body is corrugated which can be extended and the bag body is made from higher porosity and hydrophilic paper, and the top face of the bag body is a first porous face with loosen pores, and the center of the bag body is a second porous face with further loosen pores, thereby, the bag body provides an effective way of brewing tea.