Company Filing History:
Years Active: 2007
Title: Innovations by Thomas L Andrade
Introduction
Thomas L Andrade is a notable inventor based in Los Gatos, CA. He has made significant contributions to the field of sensor technology, particularly in the development of capacitance sensor systems. With a total of 2 patents, Andrade's work has advanced the capabilities of integrated circuits and their applications.
Latest Patents
Andrade's latest patents include a "Surface capacitance sensor system using buried stimulus electrode." This invention implements an array of sensor electrodes near the surface of the integrated circuit, along with an array of stimulus electrodes positioned below them. By driving rows of stimulus electrodes with sources and measuring the voltages at the respective sensor electrodes, Andrade's system allows for the determination of surface capacitance at each sensor electrode location. This capacitance data is crucial for identifying the positions of target electrodes above the array surface, which is essential in location fingerprint artifacts.
Another significant patent is the "Capacitive sensor system with improved capacitance measuring sensitivity." This system features an array of sensor electrodes near the surface of the integrated circuit, complemented by charge pump circuits for measuring capacitance at each sensor electrode. The use of shield electrodes and unused sense electrodes aids in background capacitance cancellation at each array location. This innovative approach allows all circuitry to be positioned outside the sensor array, enhancing the accuracy of capacitance measurements used to determine the positions of fingerprint artifacts and other features.
Career Highlights
Thomas L Andrade is currently associated with Atrua Technologies, Inc., where he continues to innovate in the field of sensor technology. His work has been instrumental in developing advanced sensor systems that have applications in various industries.
Conclusion
Thomas L Andrade's contributions to sensor technology through his patents demonstrate his expertise and commitment to innovation. His work not only enhances the functionality of integrated circuits but also paves the way for future advancements in the field.