Company Filing History:
3 out of 13 
1 out of 43 
1 out of 1 Years Active: 1976-1995
Title: Jack G Lum: Innovator in Telephony Technology
Introduction
Jack G Lum is a notable inventor based in Sunnyvale, California. He has made significant contributions to the field of telephony technology, holding a total of five patents. His work focuses on enhancing the efficiency and functionality of telecommunication systems.
Latest Patents
One of his latest patents is the "High-efficiency Ring/MWL generator." This invention provides a power waveform for applying power to ringing circuits and message-waiting lamps in standard analog telephones within a PBX system. The generator is designed to reduce power dissipation while ensuring effective performance. It includes a controller that generates a low-level signal representing the power waveform, a circuit that alters the output of a power supply, and a power amplifier that amplifies the low-level signal to produce the desired power waveform.
Another significant patent is the "Multipurpose analog telephony channel test facility method and apparatus." This invention addresses the challenges of diagnosing telephony system malfunctions. It comprises two double pole double throw relays that allow for multiple remote testing capabilities. The invention performs trunk rolling and inter-channel loop back testing, which can be controlled locally or remotely.
Career Highlights
Throughout his career, Jack G Lum has worked with reputable companies such as Sound Technology, Inc. and Rolm Company. His experience in these organizations has contributed to his expertise in telecommunication technologies and innovations.
Collaborations
Jack has collaborated with notable individuals in the industry, including Peter Pong and Brian T Selden. These collaborations have likely enriched his work and led to advancements in telephony technology.
Conclusion
Jack G Lum is a distinguished inventor whose contributions to telephony technology have made a lasting impact. His innovative patents and career achievements reflect his dedication to improving communication systems.
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.