Company Filing History:
Years Active: 1977-1987
Title: Fredrick A. Aldridge: Innovator in Radio Technology
Introduction
Fredrick A. Aldridge is a notable inventor based in Russiaville, Indiana, recognized for his contributions to radio technology. With a total of 5 patents, Aldridge has made significant advancements in the field of AM-FM radio receivers.
Latest Patents
One of Aldridge's latest inventions is the Integrated AM-FM mixer. This innovative mixer is designed for dual conversion AM-FM radio receivers, allowing for the conversion of AM and FM broadcast RF signals from a first intermediate frequency to a second intermediate frequency. The mixer utilizes a double balanced circuit to generate signals at the second intermediate frequency, which are then amplified in a second IF amplifier. The design includes transistor switches that alternate between AM and FM signals, ensuring efficient processing of both types of broadcasts.
Another significant patent is the noise blanking signal generator for AM radio. This device enhances the performance of AM radio receivers by detecting and filtering out noise. It employs a product detector to synchronize and detect audio signals, utilizing low pass filters to derive voltage signals that indicate the average IF signal strength. The system includes a comparator that generates a noise blanking signal when noise levels exceed a predetermined threshold, improving the clarity of AM broadcasts.
Career Highlights
Fredrick A. Aldridge is currently associated with Gm Global Technology Operations LLC, where he continues to innovate in the field of radio technology. His work has contributed to advancements that enhance the listening experience for users of AM-FM radio receivers.
Collaborations
Aldridge has collaborated with notable coworkers such as Burtron D. Schertz and Richard A. Kennedy, contributing to a dynamic team focused on technological advancements in radio systems.
Conclusion
Fredrick A. Aldridge's innovative work in radio technology has led to significant advancements in AM-FM receivers, showcasing his expertise and dedication to improving audio technology. His contributions continue to influence the industry and enhance user experiences.