Company Filing History:
3 out of 838 
2 out of 3 
1 out of 1 Years Active: 1991-2002
Title: Innovations by Joshua S. Zhu
Introduction
Joshua S. Zhu is an accomplished inventor based in Torrance, CA. He holds a total of 7 patents that showcase his expertise in developing advanced telemetry devices for automatic meter reading systems. His innovative contributions have significantly impacted the field of telecommunications and remote data collection.
Latest Patents
One of his notable patents is the "Apparatus and method for an inbound telemetry device to sense telephone line status." This invention allows a telephone-based automatic meter reading (AMR) system to collect meter readings remotely without interfering with customer usage of other telephone devices. The telemetry device can sense both static and dynamic off-hook statuses of the telephone line, ensuring that it does not disrupt regular phone usage.
Another significant patent is the "Apparatus and method for powering a telephone-based inbound telemetry device." This invention enables the telemetry device to read meters at scheduled intervals while storing data in non-volatile memory. The device can initiate a special data stream to invoke a powerless circuit portion, allowing it to operate without an AC connection or separate battery power. This innovation enhances the efficiency of data collection by allowing immediate communication with the host computer when the telephone line is available.
Career Highlights
Joshua has worked with prominent companies such as Philips Electronics North America Corporation and Electronic Ballast Technology, Inc. His experience in these organizations has contributed to his development of cutting-edge technologies in the field of telemetry and automatic meter reading systems.
Collaborations
Throughout his career, Joshua has collaborated with talented individuals, including Yongping Xia and Feng-Kang Hu. These partnerships have fostered innovation and the exchange of ideas, further enhancing his contributions to the industry.
Conclusion
Joshua S. Zhu's innovative patents and career achievements reflect his dedication to advancing technology in the field of telecommunications. His work continues to influence the development of efficient data collection systems, making a lasting impact on the industry.