Location History:
- Poway, CA (US) (1979 - 1980)
- San Diego, CA (US) (1980 - 1989)
Company Filing History:
Years Active: 1979-1989
Title: The Innovative Contributions of Raymond C. Yuen
Introduction
Raymond C. Yuen is a notable inventor based in San Diego, California, recognized for his significant contributions to the field of electronics. With a total of eight patents to his name, Yuen has developed innovative technologies that enhance circuit design and performance.
Latest Patents
Among his latest patents is the "ECL output with Darlington or common collector-common emitter drive." This invention provides an output drive circuit featuring a differentially coupled pair of transistors. The output from these transistors is directed to a pair of output driver transistors, which are configured to deliver an output pull-up signal to an output pin of the integrated circuit. This design minimizes the current required by the differential pair and incorporates a fast pull-down circuit to improve transition speeds.
Another significant patent is the "Multi-level ECL series gating with temperature-stabilized source current." This invention involves a multi-level ECL series gating circuit that operates across specified voltage and temperature ranges. It stabilizes the circuit source current by regulating the bias voltage according to the inverse of the operating temperature, ensuring that the circuit current transistor does not reach saturation at any operating voltage.
Career Highlights
Throughout his career, Yuen has worked with prominent companies such as Burroughs, Inc. and Applied Micro Circuits Corporation. His experience in these organizations has contributed to his expertise in electronic circuit design and innovation.
Collaborations
Yuen has collaborated with notable professionals in the field, including Mark A. Menezes and Herbert Stopper. These collaborations have likely enriched his work and led to further advancements in his inventions.
Conclusion
Raymond C. Yuen's contributions to electronics through his patents demonstrate his innovative spirit and technical expertise. His work continues to influence the field, showcasing the importance of creativity in technological advancement.