David L Allen

Title: The Innovations of David L. Allen

Introduction

David L. Allen is an accomplished inventor based in Sunnyvale, CA. He holds a total of 3 patents that showcase his expertise in enhancing touchscreen technology. His innovative approaches have significantly contributed to the field of capacitive sensor arrays.

Latest Patents

One of his latest patents is focused on the use of random sampling techniques to reduce finger-coupled noise. This invention involves periodically sampling the channels of a touch panel to determine the presence of touch events. By employing random sampling techniques, the channels are sampled in a round robin fashion, ensuring that each channel is sampled multiple times. This method effectively reduces errors in the output of capacitive sensor arrays.

Another notable patent is the method and apparatus for improving the dynamic range of a touchscreen controller. This system includes a touchscreen coupled to an offset cancellation element and a capacitance measuring element. The offset cancellation element dynamically adjusts to offset parasitic and sensor capacitances, allowing for accurate measurement of touch event capacitance. This innovation not only lowers costs but also enhances the dynamic range of touchscreen systems.

Career Highlights

David has worked with prominent companies such as Maxim Integrated Products, Inc. and Qualcomm Technologies, Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in technology.

Collaborations

Throughout his career, David has collaborated with talented individuals, including Ashutosh Ravindra Joharapurkar and Patrick Yin Chan. These partnerships have fostered a creative environment that has led to significant innovations in the field.

Conclusion

David L. Allen's contributions to touchscreen technology through his patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence advancements in capacitive sensor technology, making a lasting impact on the field.