Method and apparatus for providing tactile sensations
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-003/02
G09G-005/00
출원번호
US-0894489
(2010-09-30)
등록번호
US-8159461
(2012-04-17)
발명자
/ 주소
Martin, Kenneth M.
Vassallo, Steven P.
Goldenberg, Alex S.
Jasso, Alexander
Tierling, Kollin M.
출원인 / 주소
Immersion Corporation
대리인 / 주소
Kilpatrick Townsend & Stockton LLP
인용정보
피인용 횟수 :
74인용 특허 :
121
초록▼
Products and processes for providing tactile sensations to input devices or electronic devices are provided. Input devices include mechanical input devices (such as, for example, mechanical switches) and non-mechanical input devices (such as, for example, touchpads). Tactile feedback is provided by
Products and processes for providing tactile sensations to input devices or electronic devices are provided. Input devices include mechanical input devices (such as, for example, mechanical switches) and non-mechanical input devices (such as, for example, touchpads). Tactile feedback is provided by using an actuator or other means in communication with the input device or electronic device. A controller may be employed to receive signals from the input devices and control the actuator. Tactile feedback to an input device or electronic device may be provided in response to one or more events or situations. Such an event or situation may be any one designated. Examples of such events and situations include the level of pressure placed on an input device; the availability or lack of availability of a function associated with an input device; and the function, menu, or mode of operation associated with an input device's activation. A variety of feedback types and combinations may be selected.
대표청구항▼
1. A method, comprising: outputting a display signal configured to display a graphical object on a touch-sensitive input device;receiving a sensor signal from the touch-sensitive input device, the sensor signal indicating an object contacting the touch-sensitive input device;determining a size of a
1. A method, comprising: outputting a display signal configured to display a graphical object on a touch-sensitive input device;receiving a sensor signal from the touch-sensitive input device, the sensor signal indicating an object contacting the touch-sensitive input device;determining a size of a contact area on the touch-sensitive input device made by the object;determining an interaction between the object contacting the touch-sensitive input device and the graphical object based at least in part on the size of the contact area; andgenerating an actuator signal based at least in part on the interaction. 2. The method of claim 1 wherein, the actuator signal is configured to cause a haptic effect to be output. 3. The method of claim 1, wherein the actuator signal is generated when the object contacts the touch-sensitive device at a location corresponding to the graphical object. 4. The method of claim 1, wherein the actuator signal is generated when the object contacts the touch-sensitive device at a location not corresponding to the graphical object. 5. The method of claim 1, wherein the display signal is configured to display a keypad comprising a plurality of softkeys. 6. The method of claim 5, wherein the haptic effect is caused to be output when a user contacts the touch-sensitive device at a location corresponding to a softkey in a home position. 7. The method of claim 5, wherein the plurality of softkeys comprises one softkey for each digit from 0 to 9. 8. The method of claim 5, wherein the plurality of softkeys comprises the key configuration of a standard 101-key keyboard. 9. The method of claim 1, wherein the graphical object comprises a first graphical object and a second graphical object, the haptic effect comprises a first haptic effect and a second haptic effect, and wherein the first haptic effect is configured to be output when the object contacts the first graphical object, and the second haptic effect is configured to be output when the object contacts the second graphical object. 10. The method of claim 1, further comprising determining a rate of change of the size of the contact area and determining the interaction is further based at least in part on the rate of change of the size of the contact area. 11. A system, comprising: a touch sensitive input device configured to output a sensor signal indicating an object contacting the touch-sensitive input device;an actuator coupled to the touch-sensitive input device, the actuator configured to receive an actuator signal and output a haptic effect to the touch-sensitive surface basted at least in part on the actuator signal; anda processor in communication with the sensor and the actuator, the processor configured to: output a display signal configured to display a graphical object on the touch-sensitive input device;receive the sensor signal from the touch-sensitive input device;determine a size of a contact area on the touch-sensitive input device made by the object;determine an interaction between the object contacting the touch-sensitive surface and the graphical object based at least in part on the size of the contact area,generate the actuator signal based at least in part on the interaction; andtransmit the actuator signal to the actuator. 12. The system of claim 11, wherein the processor is configured to generate the actuator signal when the object contacts the touch-sensitive input device at a location corresponding to the graphical object. 13. The system of claim 11, wherein the processor is configured to output the actuator signal when the object contacts the touch-sensitive device at a location not corresponding to the graphical object. 14. The system of claim 11, wherein the display signal is configured to display a keypad comprising a plurality of softkeys. 15. The system of claim 14, wherein the haptic effect is caused to be output when a user contacts the touch-sensitive device at a location corresponding to a softkey in a home position. 16. The method of claim 14, wherein the plurality of softkeys comprises one softkey for each digit from 0 to 9. 17. The method of claim 14, wherein the plurality of softkeys comprises the key configuration of a standard 101-key keyboard. 18. The method of claim 11, wherein the graphical object comprises a first graphical object and a second graphical object, the haptic effect comprises a first haptic effect and a second haptic effect, and wherein the first haptic effect is configured to be output when the object contacts the first graphical object, and the second haptic effect is configured to be output when the object contacts the second graphical object. 19. The system of claim 11, wherein the processor is further configured to determine a rate of change of the size of the contact area and determine the interaction based at least in part on the rate of change of the size of the contact area. 20. A computer-readable medium comprising program code, comprising: program code for outputting a display signal configured to display a graphical object on a touch-sensitive input device;program code for receiving a sensor signal from the touch-sensitive input device, the sensor signal indicating an object contacting the touch-sensitive input device;program code for determining a size of a contact area on the touch-sensitive input device made by the object;program code for determining an interaction between the object contacting the touch-sensitive input device and the graphical object based at least in part on the size of the contact area; andprogram code for generating an actuator signal based at least in part on the interaction, the actuator signal configured to cause a haptic effect to be output. 21. The computer-readable medium of claim 20, wherein the actuator signal is generated when the object contacts the touch-sensitive device at a location corresponding to the graphical object. 22. The computer-readable medium of claim 20, wherein the actuator signal is generated when the object contacts the touch-sensitive device at a location not corresponding to the graphical object. 23. The computer-readable medium of claim 20, further comprising program code for determining a rate of change of the size of the contact area and wherein the program code for determining the interaction further comprises program code for determining the interaction based at least in part on the rate of change of the size of the contact area.
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