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Related Experiment Videos

A Reconfigurable Readout Integrated Circuit for Heterogeneous Display-Based Multi-Sensor Systems.

Kyeonghwan Park1, Seung Mok Kim2, Won-Jin Eom3

  • 1School of Electrical and Computer Engineering, Ulsan National Institute of Science and Technology, 44919 Ulsan, Korea. khpark@unist.ac.kr.

Sensors (Basel, Switzerland)
|April 4, 2017
PubMed
Summary

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This summary is machine-generated.

This study introduces a versatile multi-sensor interface and readout integrated circuit (ROIC) using touch screens for diverse applications. The reconfigurable ROIC supports touch, physiological, and environmental sensing with high-resolution analog-to-digital conversion.

Area of Science:

  • Integrated Circuits
  • Sensor Technology
  • Human-Computer Interaction

Background:

  • Display-based systems often require multiple specialized sensors.
  • Integrating diverse sensing capabilities into a single system is challenging.
  • Existing solutions may lack reconfigurability and noise immunity.

Purpose of the Study:

  • To present a reconfigurable multi-sensor interface and readout integrated circuit (ROIC) for display-based systems.
  • To enable heterogeneous sensing functions using touch screen technology.
  • To achieve high-resolution analog-to-digital conversion with noise immunity.

Main Methods:

  • Developed a reconfigurable ROIC utilizing two readout topologies: amplifier-based and oscillator-based.
  • Incorporated an alternate-sampling error-correction scheme for noise immunity.
Keywords:
alternate sampling ADCbody impedanceelectrocardiogramenvironment sensorsheterogeneous multi-sensor functionsreconfigurable readouttouch sensor

Related Experiment Videos

  • Fabricated a prototype ROIC using a 0.18 μm CMOS process.

    • Main Results:

    • Demonstrated a reconfigurable interface supporting touch detection, physiological sensing (ECG, body impedance), and environmental sensing.
    • Achieved 12-bit resolution analog-to-digital conversion without additional calibration.
    • Verified the feasibility of the integrated system for multiple heterogeneous sensing functions.

    Conclusions:

    • The proposed reconfigurable ROIC effectively integrates diverse sensing capabilities into display-based systems.
    • The noise-immune design ensures reliable performance in the presence of operational noise.
    • This technology offers a versatile platform for advanced multi-sensor applications.