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Systems and methods for multi-level closed loop control of haptic effects

A haptic effect, haptic technology, applied in general control systems, control/regulation systems, controllers with specific characteristics, etc., can solve problems such as increasing the scope of haptic realization

Pending Publication Date: 2019-12-24
IMMERSION CORPORATION
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This leads to an increase in the range of haptic implementations
As haptics are implemented in a variety of devices, it can be a challenge to ensure high-quality consistent haptic effects across a range of different devices, or even across different versions of the same device or even different production runs

Method used

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  • Systems and methods for multi-level closed loop control of haptic effects
  • Systems and methods for multi-level closed loop control of haptic effects
  • Systems and methods for multi-level closed loop control of haptic effects

Examples

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Embodiment Construction

[0014] Various alternative illustrative embodiments and figures will now be described in detail. Each example is provided by way of illustration, not limitation. Modifications and changes will be apparent to those skilled in the art. For example, features illustrated or described as part of one embodiment, can be used on another embodiment to yield still a further embodiment. Thus, it is intended that the present disclosure includes modifications and variations that come within the scope of the appended claims and their equivalents.

[0015] Illustrative example system for multi-level closed-loop control of haptic effects

[0016] In one illustrative embodiment, a mobile application executing on a mobile device, such as a smartphone, enables a user to perform a variety of tasks. A mobile application includes an interface that presents user interface elements, such as virtual buttons, to the user. When the user touches the touch screen of the smartphone at the location of t...

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Abstract

Systems and methods for multi-level closed loop control of haptic effects are disclosed. One illustrative system for multi-level closed loop control of haptic effects includes a haptic output device configured to output a haptic effect, a sensor configured to sense the output of the haptic output device and generate a sensor signal, and a processor in communication with the sensor. The processor is configured to: receive a reference signal, receive the sensor signal, determine an error based at least in part on the reference signal and the sensor signal, generate a haptic signal based at leastin part on the reference signal and the error, and transmit the haptic signal to the haptic output device configured to output a haptic effect based on the haptic signal.

Description

technical field [0001] This application relates to the field of haptic effects. More specifically, the present application relates to multi-level closed-loop control of haptic effects. Background technique [0002] Haptic effects improve ease of use in devices and applications in general, especially mobile devices and virtual and augmented reality devices and applications such as games. This results in an increase in the range of implementation of the haptics. As haptics are implemented in a variety of devices, it can be a challenge to ensure high-quality consistent haptic effects across a range of different devices, or even across different versions of the same device or even different production runs. Systems and methods for multi-level closed-loop control of haptic effects are needed to help ensure the quality and consistency of such haptic effects. Contents of the invention [0003] In one embodiment, a system includes a haptic output device configured to output a h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/01
CPCG06F3/016B25J9/1689G05B2219/40132G05B11/36B06B1/0207G06F3/041
Inventor 胡安·曼纽尔·科鲁兹-埃尔南德兹丹尼·A·格兰特贾马尔·萨布恩克里斯托弗·J·乌尔里希
Owner IMMERSION CORPORATION
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