Abhishek Singh is a prominent inventor based in Singapore, known for his contributions to touch screen technology. With a total of 5 patents to his name, he has made significant advancements in the field, particularly in the development of efficient drive systems for capacitive touch panels.

Latest Patents

One of his latest patents is the "Auto-tunable drive system for high efficiency synchronized charge pump for use with touch screen system." This invention discloses a circuit that includes a driver circuit applying a received drive signal to a capacitive sensing line of a capacitive touch panel as a boosted drive signal. The driver circuit is powered by a boosted supply voltage, and a charge pump circuit receives an input supply voltage to output this boosted supply voltage. The charge pump circuit features a voltage sensing circuit that senses the boosted supply voltage and a comparison circuit that compares the sensed voltage to a threshold, producing a comparison signal. A control circuit then determines a ratio of the pulse width of the comparison signal to the drive signal, tuning the operation of the charge pump circuit to match a performance threshold.

Another notable patent is the "Highly accurate synchronized charge pump for capacitive touch screen system." This invention involves a touch screen controller that includes a driver circuit applying a drive signal to a drive line of a capacitive touch sensing panel. The driver circuit is powered by an accurate supply voltage, which is generated by a driver supply circuit that receives an input supply voltage. The driver supply circuit includes a clocked comparator that compares a divided version of the accurate supply voltage to a reference voltage, outputting a comparison signal based on this comparison. A voltage control circuit generates the accurate supply voltage in response to the comparison signal, ensuring high precision in touch screen operations.

Career Highlights

Abhishek Singh is currently employed at STMicroelectronics Asia Pacific Pte Limited, where he continues to innovate in the field of touch screen technology. His work has been instrumental in enhancing the performance and efficiency of capacitive touch systems.

Collaborations

Throughout his career, Abhishek has collaborated with notable colleagues, including Hugo Gicquel and Dianbo Guo. These collaborations have contributed to the development of cutting-edge technologies in the industry.

Conclusion

Abhishek Singh's contributions to touch screen technology through his innovative patents and

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