Haptic effects using a high bandwidth thin actuation system

Abstract

Haptic feedback is provided by rendering haptic effects on a haptically-enabled device that includes a front screen, a back cover coupled to the front screen, and a haptic output device attached to or formed within the front screen or the back cover. The haptic output device is configured to render a high-definition (HD) vibratory haptic effect, a low-frequency vibratory haptic effect, and a deformation haptic effect.

1 - 20 . (canceled) 
     
     
         21 . A haptically-enabled device, comprising:
 a front screen;   a back cover coupled to the front screen; and   a haptic output device attached to or formed within one of the front screen and the back cover, the haptic output device being configured to render a high-definition (HD) vibratory haptic effect, a low-frequency vibratory haptic effect, and a deformation haptic effect based on the detected contact.   
     
     
         22 . The haptically-enabled device of  claim 21 , wherein the haptic output device is a Macro Fiber Composite actuator. 
     
     
         23 . The haptically-enabled device of  claim 22 , wherein the haptic output device comprises a transparent Macro Fiber Composite actuator. 
     
     
         24 . The haptically-enabled device of  claim 23 , wherein the transparent Macro Fiber Composite actuator is bonded under the front screen. 
     
     
         25 . The haptically-enabled device of  claim 24 , wherein the transparent Macro Fiber Composite actuator is further bonded inside the back cover. 
     
     
         26 . The haptically-enabled device of  claim 21 , further comprising a processor coupled to the haptic output device, wherein the haptic output device is attached to an inner surface of the back cover, and the processor is configured to generate a haptic signal that is applied to the haptic output device to cause the high-definition (HD) vibratory haptic effect, the low-frequency vibratory haptic effect or the deformation haptic effect to be rendered on an outer surface of the back cover. 
     
     
         27 . The haptically-enabled device of  claim 21 , wherein a frequency of the low-frequency vibratory haptic effect is approximately 10 Hz-150 Hz, a frequency of the HD vibratory haptic effect is approximately 150 Hz-800 Hz, or a frequency of the deformation haptic effect is approximately 10 Hz or less. 
     
     
         28 . The haptically-enabled device of  claim 21 , wherein the HD vibratory haptic effect is a narrow HD vibratory haptic effect, and a frequency of the narrow HI) vibratory haptic effect is approximately 200 Hz. 
     
     
         29 . The haptically-enabled device of  claim 21 , wherein the haptic output device is attached to the front screen. 
     
     
         30 . The haptically-enabled device of  claim 21 , wherein a pocket cut is formed on an inner surface of the back cover, and the haptic output device is directly bonded within the pocket cut. 
     
     
         31 . The haptically-enabled device of  claim 21 , wherein the back cover comprises a neutral axis, the haptically-enabled device further comprising a plurality of actuators directly bonded to an inner surface of the back cover, wherein a first set of actuators of the plurality of actuators are disposed on a first side of the neutral axis, and a second set of actuators of the plurality of actuators are disposed on a second side of the neutral axis, and wherein the haptic output device is one of the plurality of actuators. 
     
     
         32 . The haptically-enabled device of  claim 21 , wherein the haptic output device is integrally formed with or built in one of the front screen and the back cover. 
     
     
         33 . The haptically-enabled device of  claim 21 , wherein the haptic output device is a fiber, a thin sheet or a thread, the haptic output device expanding and contracting when voltage is applied thereto, and wherein the back cover is formed of a composite material including the fiber, the thin sheet or the thread. 
     
     
         34 . A method of providing haptic feedback on a haptically-enabled device, comprising the steps of:
 applying a haptic signal to a haptic output device configured to render to a high-definition (HD) vibratory haptic effect, a low-frequency vibratory haptic effect and a deformation haptic effect, the haptic output device being attached to or formed within one of a front screen and a back cover of the haptically-enabled device, Wherein the front screen is coupled to the back cover; and   rendering the high-definition (HD) vibratory haptic effect, the low-frequency vibratory haptic effect or the deformation haptic effect using the haptic output device.   
     
     
         35 . The method of  claim 34 , wherein the haptic output device is a Macro Fiber Composite actuator. 
     
     
         36 . The method of  claim 34 , further comprising the step of generating the haptic signal using a processor coupled to the haptic output device, prior to the applying of the haptic signal, wherein the haptic signal is applied to the haptic output device to cause the rendering of the high-definition (HD) vibratory haptic effect, the low-frequency vibratory haptic effect or the deformation haptic effect on an outer surface of the back cover, and wherein the haptic output device is attached to an inner surface of the back cover. 
     
     
         37 . The method of  claim 34 , wherein a frequency of the low-frequency vibratory haptic effect is approximately 10 Hz-150 Hz, a frequency of the HD vibratory haptic effect is approximately 150 Hz-800 Hz, or a frequency of the deformation haptic effect is approximately 10 Hz or less. 
     
     
         38 . The method of  claim 34 , wherein the step of rendering of the haptic effect includes using a plurality of actuators directly bonded to an inner surface of the back cover, wherein the back cover comprises a neutral axis, a first set of actuators from the plurality of actuators being disposed on a first side of the neutral axis, and a second set of actuators from the plurality of actuators being disposed on a second side of the neutral axis, the haptic output device being one of the plurality of actuators. 
     
     
         39 . A non-transitory computer readable medium having instructions stored thereon that, when executed by a processor, cause the processor to perform a set of operations comprising:
 applying a haptic signal to a haptic output device configured to render to a high-definition (HD) vibratory haptic effect, a low-frequency vibratory haptic effect and a deformation haptic effect, the haptic output device being attached to or formed within one of a front screen and a back cover of a haptically-enabled device, the front screen being coupled to the back cover; and   rendering the high-definition (HD) vibratory haptic effect, the low-frequency vibratory haptic effect or the deformation haptic effect using the haptic output device.   
     
     
         40 . The non-transitory computer readable medium of  claim 39 , wherein the haptic output device is a Macro Fiber Composite actuator, the haptic output device is attached to an inner surface of the back cover, and the HD vibratory haptic effect, the low-frequency vibratory haptic effect or the deformation haptic effect is rendered on an outer surface of the back cover.