# US 10,483,451 B2 · Vibration device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,483,451 B2 - Document ID: US10483451B2 - Status: Granted - Kind: B2 - Application number: 15/650,943 - Filed: 2017-07-16 - Published: 2018-10-18 - Granted: 2019-11-19 - Earliest claimed: 2017-04-14 - Assignees: AAC Technologies Pte. Ltd. - Applicants: AAC Technologies Pte, Ltd. - Inventors: Wenli Wang; Hongfu Xu; Fanghua Ling; Yongsheng Lu - Web page: https://patentgrep.com/patent/US10483451B2 ## CPC - B06B 1/045: {using vibrating magnet, armature or coil system} - H03B 5/32: being a piezoelectric resonator (selection of piezoelectric material H10N30/00) - H10N 30/01: Manufacture or treatment - H10N 30/20: with electrical input and mechanical output, e.g. functioning as actuators or vibrators - B06B: METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, {e.g.} FOR PERFORMING MECHANICAL WORK IN GENERAL (for particular applications, see the relevant subclasses, e.g. B07B1/40, B23Q17/12, B24B31/06; measurement of mechanical vibrations G01H; in direction finding, locating, distance or velocity measuring G01S; {generating seismic energy G01V1/02}; control of mechanical vibrations in general G05D; sound-producing devices, e.g. bells, sirens, whistles G10K, {e.g. methods or devices for transmitting, conducting, or directing sound in general G10K11/00}; generation of electrical oscillations H03B; electromechanical resonators in general H03H; electromechanical transducers {for communication techniques, e.g. microphones, speakers} H04R) - H03B: GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS (generators adapted for electrophonic musical instruments G10H; masers or lasers H01S; generation of oscillations in plasma H05H) - H10N: ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR ## Abstract A vibration device, including a housing having accommodating space, a vibrator, a stator and an elastic member for making the vibrator suspended in the accommodating space, the vibrator, the stator and the elastic member are accommodated in the housing, one of the vibrator and the stator includes a magnetic circuit unit while the other one includes a coil, the housing includes a pair of first side walls symmetrically arranged in a long axis direction of the housing and a pair of second side walls symmetrically arranged in a short axis direction, the elastic member includes a sheet-like spring perpendicular to vibrating direction of the vibrator, the spring includes a first fixing portion fixedly connected with the housing, a second fixing portion fixedly connected with the vibrator, and an N-shaped connecting portion connects the first fixing portion with the second fixing portion and extends along the short axis direction. ## Claims ### Claim 1 A vibration device, comprising: a housing having accommodating space, the housing comprises a pair of first side walls and a pair of second side walls, a vibrator accommodated in the accommodating space, a stator accommodated in the accommodating space, and an elastic member, configured to suspend the vibrator in the accommodating space, the elastic member further comprises a sheet-like spring arranged perpendicular to a vibrating direction of the vibrator, wherein one of the vibrator and the stator comprises a magnetic circuit unit, and the other one of the vibrator and the stator comprises a coil, wherein, the pair of first side walls are symmetrically arranged along a long axis direction of the housing, and the pair of second side walls are symmetrically arranged in a short axis direction of the housing, and the spring comprises a first fixing portion fixedly connected with the housing, a second fixing portion fixedly connected with the vibrator, and an N-shaped connecting portion which connects the first fixing portion with the second fixing portion and extends along the short axis direction, wherein a pair of N-shaped connecting portions is provided and arranged in axial symmetry with respect to a central axis OO′ of the first fixing portion, wherein a pair of the second fixing portions is provided and arranged in axial symmetry with respect to the central axis OO′ of the first fixing portion. ### Claim 2 (depends on 1) The vibration device as described in claim 1, wherein the vibrator comprises the magnetic circuit unit, and the stator comprises the coil, the magnetic circuit unit comprises a magnetic conductor having containing space, a main magnet disposed in the magnetic conductor and a pole plate attached to the main magnet. ### Claim 3 (depends on 2) The vibration device as described in claim 2, wherein, the second fixing portion is fixedly connected with the magnetic conductor. ### Claim 4 (depends on 1) The vibration device as described in claim 1, wherein each N-shaped connecting portion comprises a V-shaped arm, an arc arm, and a straight arm, the V-shaped arm extends from the first fixing portion in a direction to a side of the second fixing portion, the arc arm bends from a tail end of the V-shaped arm to the second fixing portion, and the straight arm extends from a tail end of the arc arm in a direction to the second fixing portion. ### Claim 5 (depends on 1) The vibration device as described in claim 1, wherein the magnetic conductor and the housing are spaced from each other to form interval space, and the N-shaped connecting portion of the spring is accommodated in the interval space. ### Claim 6 (depends on 1) The vibration device as described in claim 1, wherein the housing comprises an upper cover plate and a lower cover plate connected with the upper cover plate, the upper cover plate is provided with an upper bottom plate and a surrounding side wall, the surrounding side wall extends from the upper bottom plate in a direction to the lower cover plate, the first fixing portion is fixed on an end surface of the surrounding side wall directly facing the lower cover plate. ### Claim 7 (depends on 6) The vibration device as described in claim 6, wherein, a protrusion extends from the lower cover plate in a direction to the upper cover plate, the protrusion directly faces the surrounding side wall, the first fixing portion is fixed between protrusion and the end surface of the surrounding side wall facing the lower cover plate. ### Claim 8 (depends on 1) The vibration device as described in claim 1, wherein the sheet-like spring is arranged in a plane perpendicular to a vibrating direction of the vibrator.