Importance

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Abstract

A system may be provided that includes computing equipment and an optical input accessory. The computing equipment may include an imaging system, storage and processing circuitry, a display, communications circuitry, and input-output devices. The optical input accessory may include one or more light sources and optical markers representing instrument components for multiple instruments. The optical markers may be printed, molded or otherwise formed on a surface of a housing structure. The light sources may each emit a particular type of light. The computing equipment may use the imaging system to track the relative locations of the light sources and to continuously capture images of the optical markers and of user input objects. The computing equipment may generate audio, video or other output based on user input data generated in response to detected changes in position of the user input object with respect to the optical markers in the images.

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First Claim