Earphone with drainage tunnel

• Main Authors: YANG, JIAN-ZHENG, DONG, QIU-YUN, FAN, YUANG, XIE, FANGANG
• Format: Patent
• Language: Chinese; English
• Published: 01.08.2015
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PUBLIC ADDRESS SYSTEMS

An earphone with a drainage tunnel includes a body and a waterproof ventilation part. An accommodation space is established inside the body for accommodating a speaker, and a back cavity is defined in the accommodation space. In addition, the body also includes a drainage tunnel connected to a first...