Patent ID: 7623023

Claim:
A presentation controlling device for controlling a presentation producing routine of a computer, said presentation controlling device comprising: a presentation controller including: a main body; a plurality of buttons arranged on said main body and triggered to execute corresponding presentation producing instructions; a microprocessor arranged within said main body for generating corresponding presentation control signals according to said presentation producing instructions; a first wireless transceiver arranged within said main body for transmitting said presentation control signals to said computer; a laser pointer arranged within said main body for generating a laser beam; and a warning module arranged within said main body for generating a warning signal; a second wireless transceiver communicated with said computer for receiving and transmitting said presentation control signals to said computer; and a timer program installed in said computer and executed to provide a presentation time control interface on said computer and issue a remaining time alert signal to said presentation controller, wherein said warning module is enabled to issue said warning signal in response to said remaining time alert signal.