Liang D Tzeng

Title: Liang D Tzeng: A Pioneer in Optical Technology

Introduction

Liang D Tzeng is a notable inventor based in Fogelsville, PA, with a focus on optical technology and electronic systems. He has been granted five patents that showcase his innovative contributions to the field. His work is characterized by advancements in signal processing and device control in photonic systems.

Latest Patents

Among his most recent inventions, Tzeng has developed an Optical Transimpedance Amplifier with High Dynamic Range. This invention serves as a preamplifier for currents generated by photodetecting diodes. It employs an NPN transistor connected in a common emitter configuration, along with a feedback resistor that enhances the transimpedance through a control loop. The control loop intelligently adjusts the system’s performance based on the signal level, optimizing the handling of larger signals by incorporating MOSFETs to modify transimpedance and load impedance.

Another significant patent is the Tone Spacing and Power Level Monitor for FSK Lightwave Systems. This innovative apparatus and method control tone spacing and output power in an FSK lightwave transmitter. The approach involves generating a beat frequency by self-heterodyning two equal components of the output data stream. By comparing this frequency with a predetermined value, the system can make necessary adjustments to maintain the desired output characteristics.

Career Highlights

Liang D Tzeng has had a distinguished career, working with prestigious companies such as American Telephone and Telegraph Company, AT&T Bell Laboratories, and AT&T Corporation. His experiences in these organizations have played a crucial role in shaping his expertise and driving his innovative mindset.

Collaborations

Throughout his career, Tzeng has collaborated with talented individuals such as Haideh Khorramabadi and Maurice J Tarsia. These partnerships have undoubtedly contributed to the development of advanced technologies and the successful realization of his patents.

Conclusion

In summary, Liang D Tzeng stands out as an influential inventor in the realms of optical technology and electronic communication systems. His contributions, as evidenced by his five patents, reflect a deep commitment to innovation and excellence. As technology continues to evolve, Tzeng's work will undoubtedly inspire future advancements in the field.