Company Filing History:
6 out of 625 
1 out of 1 
1 out of 17 Years Active: 1988-1995
Title: The Innovations of Raymond C. Yan
Introduction
Raymond C. Yan is a notable inventor based in Daly City, CA (US). He has made significant contributions to the field of electronics, particularly in battery technology. With a total of 8 patents to his name, Yan's work has had a considerable impact on the industry.
Latest Patents
One of his latest inventions is a battery charger with a battery detection circuit. This innovative charger includes a battery detector that identifies whether a battery is connected. When no battery is present, the voltage at the connection node fluctuates. However, when a battery is connected, it stabilizes the voltage. A level shifter is employed to adjust the voltage, ensuring that if no battery is present, the shifted voltage falls below a predetermined threshold. Conversely, if a battery is present, the voltage remains above this threshold. A ground sense comparator detects the voltage level and provides a battery detection signal accordingly. The controllable charge driver then channels power from a power supply to charge the battery, making it capable of fast charging various battery types based on user-selected charge rates.
Another significant patent is the logic level discriminator. This invention enhances input buffer performance by providing logic level discrimination through a first circuit that generates a current to the output, creating a hysteresis function of the input voltage. To improve transient response without increasing power consumption, a second circuit supports the first current during transient periods of the input signal.
Career Highlights
Raymond C. Yan has worked with several prominent companies throughout his career, including Teledyne Industries, Inc. and Teledyne Semiconductor. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Some of his notable coworkers include Richard L. Gray and Bruce A. Rosenthal. Their collaboration has likely fostered an environment of creativity and innovation, leading to the development of groundbreaking technologies.
Conclusion
Raymond C. Yan's contributions to battery technology and electronics are noteworthy. His patents reflect a commitment to innovation and improvement in the field. As he continues to develop new technologies, his impact on the industry will undoubtedly grow.
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.