Apparatus and method for generating vibration pattern
An apparatus for controlling a vibration includes a vibration transfer unit; at least one pair of oscillators disposed spaced apart from each other in the vibration transfer unit, and configured to generate a vibration in the vibration transfer unit; at least one driver configured to selectively drive the at least one pair of oscillators; and a controller configured to control the at least one driver and thereby move a center of the vibration within the vibration transfer unit so as to create a moving vibration sensation.
1. An apparatus for controlling a vibration, the apparatus comprising:
a vibration transfer unit;
at least one pair of oscillators disposed spaced apart from each other in the vibration transfer unit, and configured to generate a vibration in the vibration transfer unit;
at least one driver configured to selectively drive the at least one pair of oscillators; and
a controller configured to control the at least one driver and thereby move a center of the vibration within the vibration transfer unit so as to create a moving vibration sensation.
2. The apparatus according to claim 1 , wherein the controller moves the center of the vibration continuously while the vibration is continuously generated within the vibration transfer unit.
3. The apparatus according to claim 1 , wherein the controller moves the center of the vibration discretely while the vibration is generated at intervals within the vibration transfer unit.
4. The apparatus according to claim 1 , wherein the controller moves the center of the vibration in a predetermined pattern within the vibration transfer unit.
5. The apparatus according to claim 1 , wherein the controller moves the center of the vibration in a random pattern within the vibration transfer unit.
6. The apparatus according to claim 1 , wherein the vibration transfer unit has a plate or a bar shape.
7. The apparatus according to claim 1 , wherein the center of the vibration is moved on a straight line connecting the at least one pair of oscillators.
8. The apparatus according to claim 1 , wherein the controller independently controls at least one of an intensity and a phase of respective vibrations generated by the at least one pair of oscillators.
9. The apparatus according to claim 1 , wherein the controller fixes an intensity and phase of a vibration generated by a first of the at least one pair of oscillators, and changes an intensity of a vibration generated by a second of the at least one pair of oscillators to thereby move the center of the vibration within the vibration transfer unit.
10. The apparatus according to claim 1 , wherein the controller sets frequencies and waveforms of respective vibrations generated by the at least one pair of oscillators to the same value.
11. The apparatus according to claim 1 , wherein each of the at least one pair of oscillators comprises a multi-channel oscillator that generates a vibration using at least two vibration frequencies.
12. A method for controlling a vibration, the method comprising:
generating a vibration in a vibration transfer unit via at least one pair of oscillators disposed spaced apart from each other in the vibration transfer unit; and
moving a center of the vibration within the vibration transfer unit so as to create a moving vibration sensation.
13. The method according to claim 12 , wherein the center of the vibration is moved continuously while the vibration is continuously generated within the vibration transfer unit.
14. The method according to claim 12 , wherein the center of the vibration is moved discretely while the vibration is generated at intervals within the vibration transfer unit.
15. The method according to claim 12 , wherein the center of the vibration is moved in a predetermined pattern within the vibration transfer unit.
16. The method according to claim 12 , wherein the center of the vibration is moved in a random pattern within the vibration transfer unit.
17. The method according to claim 12 , wherein the center of the vibration is moved on a straight line connecting the at least one pair of oscillators.
18. The method according to claim 12 , wherein at least one of an intensity and a phase of respective vibrations generated by the at least one pair of oscillators are independently controlled.
19. The method according to claim 12 , wherein an intensity and a phase of a vibration generated by a first of the at least one pair of oscillators is fixed, and an intensity of a vibration generated by a second of the at least one pair of oscillators is changed to thereby move the center of the vibration in the vibration transfer unit.
20. A mobile device, comprising:
a user input unit configured to receive data from a user;
a display module configured to display information; and
a vibration pattern generation apparatus configured to control a vibration;
wherein the vibration pattern generation apparatus comprises:
a vibration transfer unit;
at least one pair of oscillators disposed spaced apart from each other in the vibration transfer unit, and configured to generate a vibration in the vibration transfer unit;
at least one driver configured to selectively drive the at least one pair of oscillators; and
a controller configured to control the at least one driver and thereby move a center of the vibration within the vibration transfer unit so as to create a moving vibration sensation.