John G Hoffman

Title: John G Hoffman: Innovator in Subterranean Detection Technologies

Introduction

John G Hoffman is a notable inventor based in San Diego, CA. He has made significant contributions to the field of subterranean detection technologies. With a total of 3 patents, Hoffman's work focuses on innovative methods for detecting tunnels and anomalies beneath the earth's surface.

Latest Patents

Hoffman's latest patents include a method for rapidly detecting subterranean tunnels. This method involves a technique where an oscillator couples a current into two conductors laid parallel to each other. This setup generates two magnetic fields in the earth beneath the area being examined. The magnetic field is measured along a line midway between the two horizontal conductors to detect any increase in the measured field, indicating the presence of an anomaly. Another significant patent is for a variable waveguide continuous slot antenna. This antenna features a rectangular waveguide whose broad dimension varies in proportion to the attenuation, providing improved radiation patterns.

Career Highlights

Hoffman works for the United States as represented by the Secretary of the Navy. His role involves developing advanced technologies that enhance detection capabilities for various applications. His innovative approaches have garnered attention in the field of geophysical exploration.

Collaborations

Hoffman has collaborated with notable colleagues, including Peder M Hansen and Elwin W Seeley. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

John G Hoffman is a distinguished inventor whose work in subterranean detection technologies has made a significant impact. His innovative patents and collaborations highlight his commitment to advancing detection methods. His contributions continue to shape the future of geophysical exploration.