Company Filing History:
Years Active: 2011-2020
Title: Innovations by Inventor Li-Quan Tan
Introduction
Li-Quan Tan is a notable inventor based in Sunnyvale, CA, with a remarkable portfolio of 13 patents. His work primarily focuses on advancements in input device technology, showcasing his expertise in creating innovative solutions that enhance user experience.
Latest Patents
One of his latest patents is for a touch sensor excitation system that utilizes a transformer. This invention aims to reduce power consumption in input devices through a magnetic drive system. The transformer is designed to generate a high output voltage from logic-level input pulses. Additionally, the distributed capacitance and resonance of the transformer function as a low-pass filter, producing a clean output waveform from input logic signals. In some configurations, the transformer can be an autotransformer, which stabilizes the output amplitude by sampling and adjusting the input based on the sampled output.
Another significant patent is for an active stylus precision tip. This design minimizes wobble across various orientations of the input device. The electrode features a spherical portion and a tapered portion, which can either linearly or non-linearly taper away, forming an elliptical flare. Furthermore, the electrode may include a spring-loaded member that connects it to the device's circuitry. The design also incorporates non-conductive materials strategically placed on the electrode to enhance functionality.
Career Highlights
Li-Quan Tan has made significant contributions to the field of technology through his work at prominent companies such as Apple Inc. and Sand Holdings, LLC. His experience in these organizations has allowed him to refine his skills and innovate in the realm of input devices.
Collaborations
Throughout his career, Li-Quan has collaborated with talented individuals, including Blake R. Marshall and Priyanka Bhandari. Their teamwork has contributed to the development of cutting-edge technologies in the industry.
Conclusion
Li-Quan Tan's innovative patents and career achievements highlight his significant impact on input device technology. His work continues to inspire advancements in the field, showcasing the importance of creativity and collaboration in driving innovation.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.