Bone conduction device with air conduction function and bone conduction earphone

• Main Author: CHEN GUANGBIAO
• Format: Patent
• Language: Chinese; English
• Published: 21.10.2022
• Subjects: DEAF-AID SETS; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS; PUBLIC ADDRESS SYSTEMS

The utility model provides a bone conduction device with an air conduction function, which comprises a vibrating reed support, a vibrating reed, a voice diaphragm and a magnetic circuit assembly, the voice diaphragm and the vibrating reed are both arranged on the vibrating reed support at a certain interval, and the magnetic circuit assembly comprises U-shaped iron, a voice coil and a magnet. The magnet is arranged in the center of the U-shaped iron, a certain distance is formed between the magnet and the side wall of the U-shaped iron, a magnetic gap is formed, one end, far away from the bottom of the U-shaped iron, of the magnet is connected with one side, far away from the vibrating reed, of the voice diaphragm, at least part of the voice coil is suspended in the magnetic gap, and certain distances are formed between the voice coil and the U-shaped iron and between the voice coil and the magnet. According to the bone conduction device, the magnetic circuit assembly generates vibration in a power-on state a