Importance

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Abstract

A holographic HMI allows data and commands to be entered into electronic equipment. The HMI involves no tangible physical contact between the human operator and the control elements because the input devices are holographic images of keys or other customarily touch-activated tangible input elements. Operator interaction is detected through electromagnetic means, obviating the need for direct physical contact with any solid input object or surface. Such HMIs generate a holographic image of a tangible input object of the tangible control mechanism. An illumination device illuminates the hologram to produce the holographic image. An actuation detection device detects the selection by the operator of a holographic image, and a signal generator receives the detection of the actuation detection device and provides an input signal to the electronic or electro-mechanical device thereby to produce the response. The hologram is affixed to a transparent or translucent material.

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First Claim