Browsing by Author "Marpaung, Julius J."

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    • Implementation of an Ultrasonic Device for the Visually Impaired 

      Marpaung, Julius J. (Oklahoma State University, 2006-05-01)
      An Implementation of Ultrasonic Detector for Visually Impaired Ultrasonic is defined as any bands above audible band (20 kHz) and up to MHz range, and it is widely used in many fields, such as medical, engineering, and ...