John Edwin Graebner

Title: John Edwin Graebner: Innovator in Electro-Acoustic Devices

Introduction

John Edwin Graebner is a notable inventor based in Short Hills, NJ (US). He holds a total of 16 patents that showcase his contributions to the field of electro-acoustic devices. His innovative methods and techniques have significantly advanced the understanding and application of vibrational modes in various technologies.

Latest Patents

One of Graebner's latest patents is a method and apparatus for studying vibrational modes of an electro-acoustic device. This method involves driving the device to produce vibrational modes, collecting phase and amplitude data using optical interferometry, and mapping these modes based on the collected data. The processing of this data allows for an instantaneous three-dimensional view of the vibrational modes, and a sequence of these views can be constructed to create a motion picture of the modes. Another significant patent focuses on testing optical fiber splices. This technique evaluates splices by detecting thermal power emanating from the fiber splice due to light absorption. It is particularly useful for cladding pumped lasers, where excessive absorption can lead to overheating at the splice location.

Career Highlights

Throughout his career, Graebner has worked with prominent companies such as Lucent Technologies Inc. and Agere Systems Inc. His work in these organizations has allowed him to develop and refine his innovative techniques, contributing to advancements in the field.

Collaborations

Graebner has collaborated with notable coworkers, including Sungho Jin and Wei Zhu. These partnerships have fostered a collaborative environment that has led to significant advancements in their respective fields.

Conclusion

John Edwin Graebner's contributions to the field of electro-acoustic devices through his patents and collaborations highlight his role as an influential inventor. His innovative methods continue to impact the industry and inspire future advancements.