Yu-Lun Wu, Chieh-Jui Chang, Hung-Tao Hsu, Ethan Yo-Dao Hsu, Cheue-Chin Hwang, Hsing-Ju Yiu
Chinese Innovation and Invention Society
This invention is a push-button whistle which generates sound electronically. It contains batteries and manual power generator to activate whistle and flashlight as well. It also contains sound generator and amplifier to simulate whistle-blowing and to remain whistle-blowing as long as button is pressed.