Company Filing History:
Years Active: 1989-1990
Title: The Innovations of William B. Ahlemeyer
Introduction
William B. Ahlemeyer is a notable inventor based in Indianapolis, IN, who has made significant contributions to the field of radio technology. With a total of two patents to his name, Ahlemeyer has demonstrated his expertise and creativity in developing advanced radio receiver systems.
Latest Patents
Ahlemeyer’s latest patents include a high-speed, multi-band scanning radio receiver and a multi-band scanning radio receiver operable without reprogramming in various geographical regions. The first patent features a frequency synthesizer that utilizes a digital code read from memory to perform band switching. This system supplies tracking signals and a local oscillator signal to multi-band RF amplifier and mixer circuitry. The FM detector output is connected to a squelch circuit, which includes a high-pass filter network and a diode detector. The diode detector output connects to an internal A/D converter of a microprocessor, converting multiple samples of the incoming signal to digital values. This process generates a mute signal when the average value of the converted samples falls below a predetermined squelch level. The microprocessor also controls receiver tuning during the SEARCH mode, ensuring that searching continues until the demodulator output signal for an active channel is centered in the demodulator S curve, as detected by a window detector.
The second patent allows for the operation of a multi-band scanning radio receiver without the need for reprogramming across different geographical regions. Digital codes for public-service-band frequency allocations are stored in memory and accessed sequentially for the selected region. Similar to the first patent, a frequency synthesizer loaded with a digital code performs band switching and supplies necessary signals to the RF amplifier and mixer circuitry.
Career Highlights
Ahlemeyer is currently associated with Uniden America Corporation, where he continues to innovate in the field of radio technology. His work has contributed to advancements in communication systems, enhancing the functionality and efficiency of radio receivers.
Collaborations
Ahlemeyer has collaborated with notable coworkers such as Ben F. McCormick and Noel D. Atkinson, contributing to a dynamic team focused on technological advancements in radio systems.
Conclusion
William B. Ahlemeyer is a distinguished inventor whose contributions to radio technology have paved the way for innovative communication solutions. His patents reflect a deep understanding of electronic systems and a commitment to enhancing user experience in radio reception.
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