Company Filing History:
Years Active: 1981-1985
Title: Grant D Avery: Innovator in Ferromagnetic Detection Technology
Introduction
Grant D Avery is a notable inventor based in Loudon, NH (US), recognized for his contributions to the field of ferromagnetic detection technology. With a total of five patents to his name, Avery has made significant advancements that enhance the functionality and efficiency of detection systems.
Latest Patents
Avery's latest patents include the "Ferromagnetic article detector with dual Hall-sensors." This invention features two identical integrated circuit (IC) chips mounted at a pole of a magnet. Each IC chip contains a Hall-element followed by an amplifier. A comparator is connected to the outputs of the IC chips to produce a voltage that is directly related to the difference between the magnetic field strengths at the two IC chips, which may be influenced by a ferromagnetic article that is closer to one IC chip than the other. Another significant patent is the "Hall element with bucking current and magnet biases." In this design, a strong magnet is bonded to a conventional Hall element package. A bias current is introduced at one of the output terminals of the Hall element to reduce the magnet-bias-induced output voltage. This innovative approach allows the output voltage to be easily reduced to zero, resulting in a Hall-element detector that operates under a large magnetic biasing field while presenting a low or zero DC output component.
Career Highlights
Grant D Avery is currently employed at Sprague Electric Company, where he continues to develop and refine his innovative technologies. His work has significantly impacted the field of detection systems, showcasing his expertise and commitment to advancing technology.
Collaborations
Avery collaborates with Jacob K Higgs, contributing to the development of cutting-edge technologies in their field.
Conclusion
Grant D Avery's innovative work in ferromagnetic detection technology exemplifies his dedication to advancing the field. His patents reflect a deep understanding of the complexities involved in detection systems, making him a valuable contributor to the industry.