Chi-Hsun Tsao

Title: The Innovations of Chi-Hsun Tsao

Introduction

Chi-Hsun Tsao is a notable inventor based in Taoyuan County, Taiwan. He has made significant contributions to the field of keyboard technology, particularly through his innovative patent related to key switch calibration.

Latest Patents

Chi-Hsun Tsao holds a patent for "IR timing calibration for a key switch." This invention describes a keyboard system that includes a key structure with a key switch featuring a lighting element and a phototransistor. The system operates by driving the lighting element for a first pulse duration, during which the output of the phototransistor is monitored. The key structure is determined to be pressed when the output falls below a specified value at the end of the first pulse duration. Conversely, it is considered unpressed when the output exceeds another value. The invention also includes a calibration process for adjusting the pulse duration based on the fall-time of the output.

Career Highlights

Chi-Hsun Tsao is currently employed at Logitech Europe S.A., where he continues to develop innovative solutions in the realm of keyboard technology. His work has contributed to enhancing user experience and functionality in keyboard systems.

Collaborations

Chi-Hsun Tsao has collaborated with talented individuals such as Jérémie Willemin and Yu-Sen Chen, further enriching his work and contributions to the field.

Conclusion

Chi-Hsun Tsao's innovative approach to key switch technology exemplifies the impact of thoughtful design and engineering in everyday devices. His patent reflects a commitment to improving user interaction with technology.