PORTABLE VOICE AMPLIFIER FOR A PERSON HAVING THE WEAK VOCAL CORD

摘要

PURPOSE: A portable voice amplifier is provided to protect a weak vocal cord by amplifying a voice signal generated from a person having the weak vocal cord. CONSTITUTION: A portable voice amplifier includes a main body, a microphone, a speaker, and a PCB. The main body(10) includes a predetermined space which is opened or closed by a cover(12). A battery(15) is inserted into the predetermined space of the main body. The microphone(20) is installed at one side of the main body in order to receive the voice. The speaker(30) is installed at the other side of the main body in order to output the voice. The PCB(40) includes an amplifier to amplify a voice signal of the microphone and output the amplified signal to the speaker.