DISPLAY DEVICE USED AS DEMONSTRATION DEVICE

摘要

A demonstration device includes a handheld terminal and a receiving terminal. The handheld terminal includes a mode switch key, and a first micro control unit. The mode switch key can generate a mode switch trigger signal to change from TV signal mode for example, to whiteboard mode. The receiving terminal includes a second micro control unit, and a mode switch executing unit. The second micro control unit can receive the mode switch control signal, and the mode switch executing unit can switch the receiving terminal from TV signal mode to a whiteboard mode according to the mode switch control signal. The receiving terminal draws a picture with lines of particular colors and widths according to movements of the handheld terminal when held in a user's hand.

主权项

1. A demonstration device comprising:
a handheld terminal comprising:
a hand control module comprising a mode switch key configured to generate a mode switch trigger signal;a first micro control unit coupled to the hand control module and configured to send a mode switch control signal via a wireless transmitter upon receiving the mode switch trigger signal; and a receiving terminal coupled to the handheld terminal, the receiving terminal comprising:
a second micro control unit and configured to receive the mode switch control signal via a wireless receiver; anda mode switch executing unit configured to switch the receiving terminal to a whiteboard mode according to the mode switch control signal; wherein the receiving terminal is configured to draw a picture according to movement information of the handheld terminal when the receiving terminal is in the whiteboard mode.