Reproducibility of haptic waveforms

A tactile, driving waveform technology, applied in tactile transmission signal systems, graphic reading, fluids that utilize vibration, etc., can solve problems such as inability to reproduce tactile events

Pending Publication Date: 2022-06-07
CIRRUS LOGIC INT SEMICON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additionally, a single device 100 may not be able to reproduce the desired haptic event if the temperature (or other parameter) of the device changes from the temperature (or other parameter) at which the waveform was designed

Method used

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  • Reproducibility of haptic waveforms
  • Reproducibility of haptic waveforms
  • Reproducibility of haptic waveforms

Examples

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Embodiment Construction

[0026] The following description sets forth example embodiments in accordance with the present disclosure. Additional example embodiments and implementations will be apparent to those of ordinary skill in the art. Further, those of ordinary skill in the art will recognize that various equivalent techniques may be applied in place of or in combination with the embodiments discussed below, and all such equivalents should be considered to be included in this disclosure.

[0027] Various electronic or smart devices may have transducers, speakers, and acoustic output transducers, eg, any transducers used to convert suitable electrical drive signals into acoustic output such as sound pressure waves or mechanical vibrations. For example, many electronic devices may include one or more speakers or loudspeakers for sound generation, eg, for playback of audio content, voice communication, and / or for providing audible notifications.

[0028] Such a speaker or loudspeaker may include an ...

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Abstract

A system may include an electromagnetic load capable of generating a haptic event; and a haptic processor configured to receive at least one first parameter indicative of a desired perception of a haptic event by a user of a device comprising an electromagnetic load, receive at least one second parameter indicative of one or more characteristics of the device, and process the at least one first parameter and the at least one second parameter to generate a drive signal to the electromagnetic load in order to generate the desired perception to the user despite there being a change in the device that causes the actual perception of the haptic event to differ from the desired perception.

Description

technical field [0001] The present disclosure generally relates to methods, apparatus, or implementations for haptic devices. Embodiments set forth herein may disclose improvements in how haptic events are created, specified, and stored. Background technique [0002] Vibrotactile sensors, such as linear resonant actuators (LRAs), are widely used in portable devices such as mobile phones to generate vibratory feedback to the user. Vibrotactile feedback in various forms produces different touch sensations on the user's skin and can play an increasingly important role in human-computer interaction in modern devices. [0003] The LRA can be modeled as a mass-spring electromechanical vibration system. LRAs can generate certain desired forms of vibration when driven with a suitably designed or controlled drive signal. For example, a sharp and clear vibration pattern on a user's finger can be used to create a feeling that mimics the click of a mechanical button. This clear vibr...

Claims

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Application Information

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IPC IPC(8): G06F3/01G08B6/00B06B1/04
CPCG06F3/016G08B6/00B06B1/045
Inventor 杰弗里·D·艾德森约翰·L·梅兰森安东尼·S·多伊埃里克·林德曼
Owner CIRRUS LOGIC INT SEMICON
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