# US 2014/0192609 A1 · Vibration generating device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0192609 A1 - Document ID: US20140192609A1 - Status: Published application - Kind: A1 - Application number: 14/061,792 - Filed: 2013-10-24 - Published: 2014-07-10 - Earliest claimed: 2013-01-07 - Assignees: Wistron Corporation - Applicants: Wistron Corporation - Inventors: Chiang Chi-Chan; Chih-Kuan Lin - Web page: https://patentgrep.com/patent/US20140192609A1 ## CPC - B06B 1/10: making use of mechanical energy (B06B1/18, B06B1/20 take precedence) - 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) ## Abstract A vibration generating device including a working platform, an opposite platform and a driving unit is provided. The working platform carries a workpiece disposed on one side of the working platform. The opposite platform is adjacent to another side of the working platform. The working platform and the opposite platform contact to each other via at least two bumps reversely protruded between the working platform and the opposite platform. The driving unit is coupled to the working platform or the opposite platform to drive the working platform or the opposite platform to move in a horizontal direction, and the working platform generates a vibration in a vertical direction. ## Claims ### Claim 1 A vibration generating device comprising: a working platform carrying a workpiece disposed on one side of the working platform; an opposite platform adjacent to another side of the working platform, wherein the working platform and the opposite platform contact to each other via at least two bumps reversely protruded between the working platform and the opposite platform; and a driving unit coupled to the working platform or the opposite platform to drive the working platform or the opposite platform to move in a horizontal direction, wherein the working platform generates a vibration in a vertical direction. ### Claim 2 (depends on 1) The vibration generating device according to claim 1, wherein at least one first bump is disposed on one of the working platform and the opposite platform, and a plurality of second bumps are disposed on the other one of the working platform and the opposite platform. ### Claim 3 (depends on 2) The vibration generating device according to claim 2, wherein the second bumps are arranged at an equal or unequal interval along the horizontal direction. ### Claim 4 (depends on 2) The vibration generating device according to claim 2 wherein the second bumps are arranged at an equal or unequal height along the horizontal direction. ### Claim 5 (depends on 3) The vibration generating device according to claim 3, wherein an interval of the second bumps is inversely proportional to a frequency of the vibration in the vertical direction. ### Claim 6 (depends on 4) The vibration generating device according to claim 4, wherein a height of the second bumps is proportional to an amplitude of the vibration in the vertical direction. ### Claim 7 (depends on 2) The vibration generating device according to claim 2, wherein the second bumps are bar-shaped bumps, semi-circular bumps or a combination thereof. ### Claim 8 (depends on 1) The vibration generating device according to claim 1, wherein the driving unit comprises a linear actuator which transmits power along the horizontal direction. ### Claim 9 (depends on 1) The vibration generating device according to claim 1, wherein the driving unit comprises a first actuator which transmits power along a first horizontal direction and a second actuator which transmits power along a second horizontal direction. ### Claim 10 A vibration generating device, comprising: a working platform carrying a workpiece disposed on one side of the working platform; an opposite platform adjacent to another side of the working platform, wherein the working platform and the opposite platform contact to each other via at least two bumps reversely protruded between the working platform and the opposite platform; and a driving unit coupled to the working platform and/or the opposite platform to drive the working platform and/or the opposite platform to move on a 2D plane, and the working platform generates a vibration in a vertical direction. ### Claim 11 (depends on 10) The vibration generating device according to claim 10, wherein at least one first bump is disposed on one of the working platform and the opposite platform, and a plurality of second bumps are disposed on the other one of the working platform and the opposite platform, ### Claim 12 (depends on 11) The vibration generating device according to claim 11, wherein the second bumps arranged at an equal or unequal interval along a direction parallel to the 2D plane. ### Claim 13 (depends on 11) The vibration generating device according to claim 11, wherein the second bumps arranged at an equal or unequal height along the direction parallel to the 2D plane. ### Claim 14 (depends on 12) The vibration generating device according to claim 12, wherein an interval of the second bumps is inversely proportional to a frequency of the vibration in the vertical direction. ### Claim 15 (depends on 13) The vibration generating device according to claim 13, wherein a height of the second bumps is proportional to an amplitude of the vibration in the vertical direction. ### Claim 16 (depends on 11) The vibration generating device according to claim 11, wherein the second bumps are bar-shaped bumps, semi-circular bumps or a combination thereof. ### Claim 17 (depends on 10) The vibration generating device according to claim 10, wherein the driving unit comprises a first actuator which transmits power along a first horizontal direction parallel to the 2D plane and a second actuator which transmits power along a second horizontal direction parallel to the 2D plane. ### Claim 18 (depends on 10) The vibration generating device according to claim 10, wherein the driving unit comprises a suspension-type actuator carrying the working platform and enabling the working platform to move in a horizontal direction parallel to the 2D plane with respect to the opposite platform. ### Claim 19 (depends on 10) The vibration generating device according to claim 10, wherein the driving unit comprises a swing-type actuator carrying the opposite platform and enabling the opposite platform to move in a horizontal direction parallel to the 2D plane with respect to the working platform.