John Thompson

Title: John Thompson - Innovator in Automatic Gain Control Circuits

Introduction

John Thompson is a notable inventor based in Manchester, GB. He has made significant contributions to the field of electronics, particularly in the development of automatic gain control circuits. His innovative approach has led to the creation of a unique patent that enhances audio amplification technology.

Latest Patents

Thompson holds a patent for an "Automatic gain control circuit arrangements having a plurality of stages." This invention provides automatic gain control in a two-stage amplifier. The first stage features a signal voltage gain that is related to its supply voltage, while the second stage consists of an output transistor. The load of the output stage includes an earphone in series with the supply. Notably, the supply for the first stage is derived from the junction of the output transistor and the earphone, allowing the gain to vary inversely with the output of the earphone. This innovative design may be implemented as a monolithic integrated circuit, potentially housed within the earphone itself. Thompson's patent is a testament to his ingenuity, with 1 patent to his name.

Career Highlights

John Thompson is currently employed at Ferranti Plc, where he continues to push the boundaries of electronic innovation. His work at Ferranti has allowed him to collaborate with other talented engineers and contribute to various projects that enhance audio technology.

Collaborations

One of his notable coworkers is David Latham Grundy. Their collaboration has likely fostered an environment of creativity and innovation, leading to advancements in their respective fields.

Conclusion

John Thompson's contributions to automatic gain control circuits exemplify his innovative spirit and dedication to advancing technology. His work continues to influence the field of electronics, making a lasting impact on audio amplification systems.