Onboard Research Corporation

Arthur David Harvey

Agustin J Membreno

A tuning device with a time display is disclosed. The tuning device has a vibration sensor, a microprocessor, machine readable memory, and a display. A computer program stored in the machine readable memory for executing with the microprocessor to analyze audio frequency signals to determine musical pitch and error information for the detected audio frequency, and display both the time of day and the musical pitch and error information. A display has two display areas, one for display of the musical pitch and error information, and another for alternating display of the time of day and an A-reference setting. User inputs are provided for selecting among several user session modes, including a continual time of day display mode, or a tuning information mode, and a timer display mode. A clamp is provided for mechanically mounting the tuning device to a musical instrument and transmitting acoustic vibrations.

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Dallas, TX, United States of America

Arthur David Harvey