Client: SybronEndo, (Division of Sybron Dental Specialities)

Obturation Device used by endodontists during root canal procedures. Incorporates advanced technologies involving software, metallurgy, electronics with a patent pending motorized extruder (Using a TI C2000 DSP). Integrates Sybron's System B Plugger to maximize condensation force for a complete fill. Output stimulus waveform composed of two frequencies to an SPI DAC at a rate of 32k updates/sec, synchronously read back the response waveform using the ADC sequencer. Built optimized floating point FFT. Used FFT to determine phase and magnitude of component frequencies. Did some ugly math to determine the distance to the Apex (bottom of the tooth). DSP also handles keyboard scanning, CAN bus, LCD panel, LEDs, timers, power management, retained parameters in an SPI EEPROM, audio output (16k samples/sec) to DAC, User Interface, and serial communication with PC application.

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