# US 10,312,788 B2 · Linear vibration motor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,312,788 B2 - Document ID: US10312788B2 - Status: Granted - Kind: B2 - Application number: 15/412,865 - Filed: 2017-01-23 - Published: 2018-01-25 - Granted: 2019-06-04 - Earliest claimed: 2016-07-21 - Assignees: AAC Technologies Pte. Ltd. - Applicants: Lubin Mao; Shun Guo - Inventors: Lubin Mao; Shun Guo - Web page: https://patentgrep.com/patent/US10312788B2 ## CPC - H02K 41/0354: {Lorentz force motors, e.g. voice coil motors} - B06B 1/045: {using vibrating magnet, armature or coil system} - G08B 6/00: Tactile signalling systems, e.g. tactile personal calling systems - H02K 3/521: {applicable to stators only} - H02K 5/04: Casings or enclosures characterised by the shape, form or construction thereof - H02K 5/225: {Terminal boxes or connection arrangements (specially adapted for submersible motors H02K5/132)} - H02K 33/16: with polarised armatures moving in alternate directions by reversal or energisation of a single coil system - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) - 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) - G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS ## Abstract A linear vibration motor is disclosed. A linear vibration motor includes a housing with an accommodation space, a main magnetic circuit system accommodated in the housing, and a plurality of elastic components each including a first elastic component and a second elastic component separated and opposite to each other. The first elastic component and the second elastic component are electrically connected with an exterior circuit. The motor further includes a vibration module suspended by the elastic components and including a weight connected to the elastic components and a voice coil connected to the elastic components. The voice coil is disposed around the main magnetic circuit system and comprises an inlet terminal electrically connected with the first elastic component and an outlet terminal electrically connected with the second elastic component. ## Claims ### Claim 1 A linear vibration motor comprising: a housing with an accommodation space; a main magnetic circuit system accommodated in the housing; a plurality of elastic components including a first elastic component and a second elastic component separated and opposite to each other, the first elastic component and the second elastic component being electrically connected with an exterior circuit; a vibration module suspended by the elastic components and including a weight connected to the elastic components and a voice coil connected to the elastic components; wherein the voice coil is disposed around the main magnetic circuit system and comprises an inlet terminal electrically connected with the first elastic component and an outlet terminal electrically connected with the second elastic component; and each of the first elastic component and the second elastic component includes a first fixation part connecting the voice coil, a second fixation part extended from the first fixation part for fixing the weight, a deforming part extended from the first fixation part for producing elastic deformation and a third fixation part extended from the deforming part for fixing to the housing; the deforming part is installed around the second fixation part and separated from the second fixation part; two first fixation parts are connected respectively with the inlet terminal and the outlet terminal of the voice coil. ### Claim 2 (depends on 1) The linear vibration motor as described in claim 1 further comprising two fixation components fixed in the housing, wherein the two third fixation parts are connected respectively with the housing through the fixation components. ### Claim 3 (depends on 2) The linear vibration motor as described in claim 2 further comprising a conductive block installed on each of the fixation component, wherein the first elastic component and the second elastic component are electrically connected with the exterior circuit through the conductive blocks. ### Claim 4 (depends on 3) The linear vibration motor as described in claim 3 further comprising a flexible circuit board located in the housing, wherein the first elastic component and the second elastic component are electrically connected with an exterior circuit through the flexible circuit board. ### Claim 5 (depends on 4) The linear vibration motor as described in claim 4, wherein each of the conductive blocks comprises a conductive block body, a first lug, and a second lug extending vertically from both ends of the conductive block body; the first lug is located at the end close to the voice coil and the second lug is located at the end far from the voice coil; the first lug is connected with the flexible circuit board. ### Claim 6 (depends on 1) The linear vibration motor as described in claim 1 comprising two weights each including a weight body, a slot located at the weight body at an end close to the voice coil, and a lug located on the weight body, wherein the two slots of the respective two weights are arranged opposite to each other, two ends of the voice coil are located respectively in the two slots, and the lugs are located respectively between the second fixation part and the deforming part. ### Claim 7 (depends on 1) The linear vibration motor as described in claim 1, wherein the main magnetic circuit system comprises two main magnets with the same magnetic poles thereof facing to each other. ### Claim 8 (depends on 7) The linear vibration motor as described in claim 7, wherein a first pole plate is sandwiched by the two first magnets. ### Claim 9 (depends on 7) The linear vibration motor as described in claim 7 further comprising a secondary magnetic circuit system located on both sides of the main magnetic circuit system, wherein the secondary magnetic circuit system comprises four secondary magnets divided into two groups each including two secondary magnets with the same magnetic poles thereof facing to each other, and further, the magnetic pole of the secondary magnet facing to another secondary magnet is different from the magnetic pole of the main magnet facing another main magnet. ### Claim 10 (depends on 7) The linear vibration motor as described in claim 7 further comprising a second pole plate sandwiched by the two secondary magnets of one group. ### Claim 11 (depends on 1) The linear vibration motor as described in claim 1 further comprising a connecting part fixed with the voice coil through which the voice coil is connected with the weight.