The present disclosure provides a vibration diaphragm. The vibration diaphragm includes a vibration part; a suspension extending from and surrounding the vibration part; and a pattern module part formed on the vibration part. The pattern module part includes a first protrusion, and a second protrusion bounded by the first protrusion. The first protrusion has a pair of first sides parallel to a long axis of the vibration diaphragm and a pair of second sides parallel to a short axis for connecting ends of the first sides. One of the second sides connects with the ends of the first sides via two arcs. By virtue of the configuration of the pattern module part, the solution described by the present embodiment increases the surface area of the vibration part, and widens the bandwidth of the vibration diaphragm, and further improves the acoustic performance of the diaphragm.

The present disclosure provides a vibration diaphragm. The vibration diaphragm includes a vibration part; a suspension extending from and surrounding the vibration part; and a pattern module part formed on the vibration part. The pattern module part includes a number of ring-shaped protrusions arranged in an array and gaps formed between two adjacent protrusions. By virtue of the configuration of the pattern module part, the solution described by the present embodiment increases the surface area of the vibration part, and widens the bandwidth of the vibration diaphragm, and further improves the acoustic performance of the diaphragm.

This disclosure provides a dome tweeter, including a vibrating diaphragm, a surround, a voice coil, and a magnetic circuit. The vibrating diaphragm includes a dome portion. One end of the surround is connected to the dome portion of the vibrating diaphragm. The voice coil is located below the vibrating diaphragm. The magnetic circuit is located below the voice coil and includes a T-shaped yoke iron, the center of the T-shaped yoke iron is provided with a through hole, and the through hole faces a central position of the vibrating diaphragm.

A loudspeaker device includes first and second diaphragms arranged co-axially in an opposed relation to each other and having a rear volume in-between, each diaphragm having a plurality of motors operatively coupled thereto, and a frame having first and second ends, and first and second rims provided at the first and second ends, respectively. The motors of the first and second diaphragms are arranged in the same plane, and the motors are provided on the frame around the periphery of the first and second diaphragms.

A vibration diaphragm and a manufacturing method thereof are provided. The vibration diaphragm comprises an annular support member, a first vibration diaphragm layer and a circuit layer. The first vibration diaphragm layer is fixedly connected to a support body of the annular support member. The circuit layer is positioned on a surface of the first vibration diaphragm layer that is adjacent to a vibrating voice coil and is fixedly connected to the first vibration diaphragm layer and the support body. The circuit layer is provided with a circuit area, a capacitance area, and a capacitance solder pad. The capacitance area is a capacitance electrode plate formed on the first vibration diaphragm layer. The capacitance area is communicated with the capacitance solder pad by means of the circuit area. The solder pad corresponds to the support body. The reliability of capacitance data acquisition is improved.

An MEMS microphone is disclosed, which comprises a substrate and a vibrating diaphragm and a back electrode which are located above the substrate, a plurality of comb tooth parts are formed in edge positions of the vibrating diaphragm, and the plurality of comb tooth parts are distributed in a peripheral direction of the vibrating diaphragm at intervals, wherein a position between every two adjacent comb tooth parts on the vibrating diaphragm is connected to the substrate via an insulating layer; and the comb tooth parts on the vibrating diaphragm are at least partially overlapped with the substrate, and a clearance exists between the comb tooth parts and the substrate and is configured as an airflow circulation channel. The microphone of the present invention has better impact resistance and can avoid intrusion of dust.

An electroacoustic transducer is provided and includes: a diaphragm having a pair of longitudinal split tubular surfaces arranged next to each other, a valley being formed between respective side portions of the pair of longitudinal split tubular surfaces; a converter including a magnet mechanism and a voice coil configured to perform conversion between vibration of the diaphragm along a depth direction of the valley and an electric signal corresponding to the vibration; and a supporter that supports the diaphragm such that the diaphragm is vibratable along the depth direction of the valley. A tubular portion is provided at an intermediate portion of the valley to couple the diaphragm and the voice coil to each other, and the tubular portion extends in the depth direction of the valley.

The present disclosure provides a vibration diaphragm. The vibration diaphragm includes a dome part; a suspension surrounding the dome part; a number of reinforced ribs disposed on the dome part. The reinforced ribs includes n pieces of longitudinal rib parts parallel to each other; a first transverse rib part and a second transverse rib part connecting two ends of adjacent n1 pieces of the longitudinal ribs respectively; and a third transverse rib part connecting the n pieces of longitudinal rib parts and located between the first transverse rib part and the second transverse rib part, in which, n is an integer more than or equal to 3. The configuration of the reinforced ribs increases the surface area of the dome, and increases the width of the vibration frequency band of the vibration diaphragm.

A vibration membrane is disclosed. The vibration membrane includes a central dome part and a suspension part surrounding the dome part. The suspension part includes a pair of long-axis parts parallel to a long axis of the vibration membrane, a pair of short-axis parts parallel to a short axis of the vibration membrane, and a number of corner parts connecting the long-axis parts with the short-axis parts. The suspension part further includes first reinforcing parts located on the corner parts and second reinforcing parts located on the long-axis parts. Each of the second reinforcing part has a first master extension part and a first slave extension part crossing with the first master extension part. By virtue of the configuration, the strength of the vibration membrane is improved.

The present disclosure provides a vibration diaphragm. The vibration diaphragm includes a vibration part; a suspension extending from and surrounding the vibration part; and a pattern module part formed on the vibration part. The pattern module part includes a first protrusion, and a second protrusion bounded by the first protrusion. The first protrusion has a pair of first sides parallel to a long axis of the vibration diaphragm and a pair of second sides parallel to a short axis for connecting ends of the first sides. One of the second sides connects with the ends of the first sides via two arcs. By virtue of the configuration of the pattern module part, the solution described by the present embodiment increases the surface area of the vibration part, and widens the bandwidth of the vibration diaphragm, and further improves the acoustic performance of the diaphragm.