PRESENTATION APPARATUS AND CONTROL METHOD THEREOF
A presentation apparatus has an operating main body. The operating main body further includes a LED module and a control unit. The LED module is disposed on a surface of the operating main body. The control unit is electrically connected to the LED module, and controls the LED module to display a timing message in response to a timing signal, and then controls the LED module to display a warning message in response to a triggering signal when the timing signal exists, thereby achieving the objective that the presentation apparatus have multiple functions with low manufacturing cost.
1 . A presentation apparatus, comprising:
an operating main body, further including:
a Light Emitting Diode (LED) module, including a plurality of LEDs and being disposed on a surface of the operating main body;
a control unit, electrically connected to the LED module; and
an operating module, electrically connected to the control unit for setting an overall timing duration, and being operated to generate at least one function signal of the presentation apparatus;
wherein the control unit controls the LED module to display a timing message in response to a timing signal, and in the existence of the timing signal, controls the LED module to display a warning message in accordance with a triggering signal; and
a receiver, wirelessly connected to the operating main body for receiving the function signal.
2 . The presentation apparatus according to claim 1 , wherein the LEDs are constructed as an LED bar lamp.
3 . The presentation apparatus according to claim 1 , wherein the operating main body further including:
a timing circuit, electrically connected to the control unit for counting an overall elapsed time to generate the timing signal, and generating the triggering signal upon at least a default time remained after counting the overall elapsed time, wherein the triggering signal maintains for a duration of warning time.
4 . The presentation apparatus according to claim 3 , wherein the control unit controls the counting circuit to start counting to the overall timing duration in response to an enable signal generated by a function key in the operating module.
5 . The presentation apparatus according to claim 3 , wherein the control unit controls the LEDs in the LED module based on the variation of the timing signal and the triggering signal to present different display patterns with respect to turning on or off different color lights or changing blinking frequency of the LEDs.
6 . The presentation apparatus according to claim 5 , wherein the LEDs present the display pattern of light ON/OFF according to one approach of a lighted marquee and lighting difference in arrangement.
7 . The presentation apparatus according to claim 5 , wherein the control unit further includes:
a storage unit, storing a correspondence table, in which the correspondence table records plural sets of control parameters to respectively represent the different display patterns presented by the LEDs;
whereby the control unit inquires the correspondence table based on the timing signal and the triggering signal so as to control the LEDs in the LED module in accordance with the inquired control parameter.
8 . The presentation apparatus according to claim 7 , wherein the control unit controls the LEDs to show a display pattern of simultaneously blinking three times as three minutes in the overall timing duration remained, and controls the LEDs to show a display pattern of simultaneously blinking and lasting for the duration of the warning time as one minute in the overall timing duration remained, thereby acting as the warning message.
9 . The presentation apparatus according to claim 3 , wherein the control unit further switches to operate in a setup mode and an operation mode based on a switch signal generated by a function key in the operating module.
10 . The presentation apparatus according to claim 9 , wherein, upon switching to the setup mode by the control unit, one combined key group in the operating module is used to set the overall timing duration, and each of the LEDs in the LED module indicates an accumulated time thereby displaying the overall timing duration in an accumulative sum.
11 . The presentation apparatus according to claim 10 , wherein, upon switching to the operation mode by the control unit, the combined key group is used to operate to generate a page turning function signal of the presentation apparatus.
12 . The presentation apparatus according to claim 1 , wherein the operating main body further includes:
a first radio frequency (RF) circuit, electrically connected to the control unit; and
a power supply unit, providing the power required for operations of the operating main body.
13 . The presentation apparatus according to claim 12 , wherein the control unit is electrically connected to the power supply unit, and upon detecting the voltage of the power supply unit being lower than a voltage threshold, controls the LED module to display a low power message.
14 . The presentation apparatus according to claim 12 , wherein the receiver is further connected to an application system for transferring the function signal generated by the operating main body to the application system.
15 . The presentation apparatus according to claim 14 , wherein the receiver further includes:
a system connector, electrically connected to the application system;
a second RF circuit, wirelessly connected to the first RF circuit in the operating main body; and
a microprocessor, electrically connected to the system connector and the second RF circuit thereby transforming the function signal generated by the operating main body and transferring the transformed function signal to the application system.
16 . The presentation apparatus according to claim 1 , wherein the operating main body further includes an accommodating space for accommodating the receiver.
17 . The presentation apparatus according to claim 1 , wherein the operating main body further include a laser source module electrically connected to the control unit for generating a laser beam.
18 . A control method to a presentation apparatus, comprising the following steps of:
setting an overall timing duration, and counting an overall elapsed time up to the overall timing duration to generate a timing signal;
inquiring a correspondence table based on the timing signal to control an LED module to display a timing message in response to an inquired control parameter;
generating a triggering signal when counting the overall elapsed time remains a default time; and
inquiring the correspondence table based on the timing signal and the triggering signal to control the LED module to display a warning message in response to another inquired control parameter.
19 . The control method according to claim 18 , wherein when the triggering signal has been maintained over a period of a warning time, stopping the generation of the triggering signal and controlling the LED module to display the timing message according to the timing signal.
20 . The control method according to claim 18 , further comprising:
determining whether executing a timing and warning operation;
when the result of the determining step is negative, allowing operating to generate at least one function signal to transfer to the application system; and
when the result of the determining step is positive, setting the overall timing duration, and then allowing operating to generate the function signal to transfer to the application system.