Company Filing History:
Years Active: 1990-1998
Title: Innovations of Jeffrey Wayne Daugherty
Introduction
Jeffrey Wayne Daugherty is an accomplished inventor based in Lisle, IL (US). He holds 2 patents that showcase his expertise in the field of digital signal processing and automatic speech recognition. His innovative work has contributed significantly to advancements in technology.
Latest Patents
Daugherty's latest patents include a method for the detection of tones while minimizing incorrect identification of other sounds. This invention features a first validation circuit that utilizes residual energy unaccounted for by a linear predictive coding model to determine the validity of received tones or digits. A second validation circuit operates alongside the first, employing discrete Fourier transforms to analyze energy peaks associated with tones. The combination of these circuits ensures a high level of confidence in tone detection.
Another notable patent is his implementation of dynamic time warping using a digital signal processor. This method enhances automatic speech recognition by utilizing a single memory array to store accumulated correspondence values. It effectively detects whether constraints on horizontal path compression have been exceeded, thereby improving the accuracy of recognizing unknown words or utterances.
Career Highlights
Throughout his career, Daugherty has worked with prestigious companies such as AT&T Bell Laboratories and Lucent Technologies Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of technology.
Collaborations
Daugherty has collaborated with notable professionals, including Richard H. Ketchum, further enhancing his contributions to the field.
Conclusion
Jeffrey Wayne Daugherty's innovative patents and career achievements reflect his significant impact on technology, particularly in digital signal processing and speech recognition. His work continues to influence advancements in these areas.