LIQUID CUSHION WITH WATERPROOF SPEAKER FOR INFANT CAPABLE OF GENERATING A REGULAR HEARTBEAT SOUND THAT IS VERY SIMILAR TO A MOTHER'S HEARTBEAT SOUND

摘要

PURPOSE: Provided is a liquid cushion with a waterproof speaker for an infant, to generate a regular heartbeat sound that is very similar to a mother's heartbeat sound and thus, to give peaceful feelings to the infant. CONSTITUTION: The liquid cushion filled with a liquid includes a device(10) for storing and reproducing a mother's heartbeat sound; a connecting wire(20) for connecting the reproducing device and a speaker(32) that makes a direct contact with the liquid inside the cushion to generate a sound wave of the heartbeat sound; and a support plate for supporting a speaker and a connecting terminal. The sound storing and reproducing device(10) is driven by functional switches including store(11), reproduce(12), ON/OFF(14), and volume control(13).