Company Filing History:
Years Active: 2017-2021
Title: The Innovative Mind of Frank Cheng: Pioneering Audio Technology in Austin, TX
Introduction: Frank Cheng, an accomplished inventor based in Austin, Texas, has made significant contributions to the field of audio technology. With a focus on advanced speaker systems, Cheng holds two notable patents that showcase his innovative approach to measuring and improving speaker performance.
Latest Patents: Frank Cheng's latest patents include a groundbreaking apparatus and method for measuring speaker transducer impedance versus frequency using an ultralow inaudible signal. This inventive apparatus involves a digital-to-analog converter (DAC) that converts a known digital input signal into an audio frequency analog voltage signal. By utilizing resistors with known resistance, it generates a current that effectively determines speaker impedance. The ingenious design employs an amplifier to amplify the inaudible secondary voltage signal, allowing for precise calculation of the speaker’s impedance based on known parameters.
Additionally, Cheng has developed an asymmetrically-switched modulation scheme. This unique technique drives two output nodes connected to a load in a way that minimizes noise, enhancing the accuracy of current monitoring through speakers. The asymmetric modulation scheme allows for efficient performance by controlling the switching rates of the output nodes in a clever manner.
Career Highlights: Frank Cheng currently works at Cirrus Logic Inc., a renowned company specializing in audio and digital signal processing technology. His role has allowed him to be at the forefront of innovations that directly impact the audio industry. With a keen eye for detail and a commitment to excellence, Cheng has made his mark as an influential figure in the development of audio technologies.
Collaborations: In his journey, Frank Cheng has had the opportunity to collaborate with talented coworkers like Ruoxin Jiang and Zhong You. These partnerships have fostered a creative environment, enabling the exchange of ideas and driving the collective innovation goals at Cirrus Logic Inc.
Conclusion: Frank Cheng exemplifies the spirit of innovation within the audio technology domain. Through his patents and collaborative efforts, he continues to push the boundaries of what is possible in speaker performance measurement and modulation techniques. As an inventor based in Austin, TX, Cheng's contributions are paving the way for more advanced and efficient audio solutions.