A MASK WITH VARIOUS FUNCTIONS

• Main Author: CHUNG, RAE ICK
• Format: Patent
• Language: English
• Published: 17.05.2006
• Subjects: DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING; FIRE-FIGHTING; HUMAN NECESSITIES; LIFE-SAVING

PURPOSE: A multi-functional mask is provided to prevent various harmful gas or dust from being absorbed into a human body and to prevent any accidents by notifying a user of a danger by emitting light or generating sound, and to be foldable into a small size so that it is easy to carry and wear the...