Importance

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Abstract

A low-cost haptic feedback device that provides spatially-based sensations such as textures in correlation with a displayed graphical environment. The device includes a housing, a sensor device, and an actuator for applying a force to the user. A local processor reports relative sensor data to the host processor and receives force information from the host processor. The host force information causes a texture sensation to be output by the actuator, the texture sensation providing forces to the user at least approximately spatially correlated with predefined locations in the graphical environment as determined by a local processor. In some embodiments, the local processor can model a position of the cursor while the cursor interacts with the texture field, where the modeled position is used for determining the force output to the user, and the force information from the host can include a gating command to activate or deactivate the texture sensation when the cursor enters or exits the texture field.

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First Claim