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Dynamic haptic effect modification

A tactile effect and tactile technology, applied in tactile transmission signal systems, instruments, signaling devices, etc., can solve problems such as short duration, inability to generate desired tactile effects, short duration, etc.

Inactive Publication Date: 2015-11-25
IMMERSION CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Specifically, haptic effects designed to have a short duration (such as in response to a "keypad" press) may not be able to generate the desired haptic effect (i.e., the duration of the effect is shorter than that of "spin up" / "spin down" time of the actuator)

Method used

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Examples

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Embodiment Construction

[0016] One embodiment is a system and drive circuit for an actuator that dynamically processes a haptic effect definition to account for actuator characteristics and ensure that a defined magnitude of a haptic effect is achieved by the actuator. The system can determine whether the actuator is capable of reaching a defined magnitude for a defined duration of the haptic effect. The system can generate new durations based on actuator performance characteristics and desired magnitudes. The system can then play the haptic effect with the new duration to achieve the desired magnitude upon playback.

[0017] figure 1 is a block diagram of a haptic-enabled system 10 according to one embodiment of the present invention. System 10 includes a touch-sensitive surface 11 or other type of user interface mounted within housing 15 and may include mechanical keys / buttons 13 . Inside the system 10 is a tactile feedback system that generates vibrations 30 , 31 on the system 10 . In one embo...

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Abstract

A system is provided that generates haptic effects using a haptic output device. The system receives a haptic effect definition that defines the haptic effect. The system determines, at run-time, whether the haptic effect definition will produce an output effect as designed / desired using the haptic output device. When it is determined that the haptic effect definition will not produce the output effect as designed / desired, the system modifies, at run-time, the haptic effect definition to ensure that the haptic effect produced corresponds to the designed / desired haptic effect.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Application No. 61 / 989,827, filed May 7, 2013, which is hereby incorporated by reference in its entirety. technical field [0003] One embodiment is directed generally to haptic effects, and in particular to utilizing haptic output devices to generate haptic effects. Background technique [0004] Manufacturers of electronic devices strive to produce rich interfaces for users. Conventional devices use visual and audible cues to provide feedback to the user. In some interface devices, kinesthetic feedback (such as active force and resistance feedback) and / or tactile feedback (such as vibration, texture, and heat) are also provided to the user, more generally collectively known as "haptic feedback" or "Haptic Effects". Haptic feedback can provide cues that enhance and simplify user interfaces. Specifically, vibration effects, or vibrohaptic haptic effects, can be u...

Claims

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Application Information

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IPC IPC(8): G06F3/01
CPCG06F3/016G06F3/0362G06F3/044G06F2203/013G06F2203/014G06F2203/015G08B6/00
Inventor K-E·斯塔尔博格E·拉姆萨伊H·达考斯塔E·吉瓦伊斯
Owner IMMERSION CORPORATION
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