Company Filing History:
5 out of 2,316 
1 out of 9,364 
1 out of 598 Years Active: 2001-2004
Title: Weilin Zhu: Innovator in Line Powered Modulator Circuits
Introduction
Weilin Zhu is a notable inventor based in Allentown, PA (US), recognized for his contributions to the field of telecommunications. With a total of 7 patents to his name, Zhu has made significant advancements in the design and functionality of line powered modulator circuits.
Latest Patents
Zhu's latest patents include a "Method and apparatus for reducing distortion in a line powered modulator circuit." This invention focuses on a telephone line interface or data access arrangement (DAA) that incorporates a shunt regulator in series with a line modulator. The design features a sense resistor that measures current distortion, allowing the line modulator to adjust AC modulation and DC termination effectively. Another significant patent is "Detection of low tip/ring currents in a line powered DAA," which describes a line powered DAA that adapts to power supplied from a telephone line while meeting international requirements. This innovation ensures that the line powered codec maintains its programmed state even during low power conditions.
Career Highlights
Throughout his career, Weilin Zhu has worked with prominent companies such as Agere Systems Inc. and Lucent Technologies Inc. His experience in these organizations has contributed to his expertise in telecommunications and circuit design.
Collaborations
Zhu has collaborated with notable colleagues, including Jonathan Herman Fischer and Donald Raymond Laturell, further enhancing his innovative work in the field.
Conclusion
Weilin Zhu's contributions to telecommunications through his patents and career achievements highlight his role as a significant inventor in the industry. His work continues to influence advancements in line powered modulator circuits.