Adopt reaction type NOISE -CANCELLING HEADPHONES of acoustic conductance tubular construction effective control sound leakage

• Main Authors: DING HONGGUI, YANG FENGHUA, XU HAORAN, WEI XUCHANG, HE SHANHONG
• Format: Patent
• Language: Chinese; English
• Published: 16.03.2018
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PUBLIC ADDRESS SYSTEMS

The utility model relates to an adopt reaction type NOISE -CANCELLING HEADPHONES of acoustic conductance tubular construction effective control sound leakage. Including the earlap, including ante -chamber and big back cavity in the earlap, be equipped with in the earlap the separated face lid of ant...