Company Filing History:
1 out of 1 
1 out of 786 Years Active: 1977-1986
Title: The Innovative Contributions of Leslie C. Stewart
Introduction
Leslie C. Stewart is a notable inventor based in Rochester, NY, who has made significant contributions to the fields of communication and speech analysis. With a total of 2 patents, her work showcases a blend of creativity and technical expertise that addresses real-world challenges.
Latest Patents
One of her latest patents is the "Vital message system with unique function identification." This innovative communication system connects an input location to an output location using a non-vital communication link. It not only transmits a word from the input to the output but also includes a system check word to ensure accuracy. Each input is assigned a unique multi-bit value, and the system check word is a linear combination of these values. This design allows for a reliable correspondence check at the output location, enhancing the integrity of the communication process.
Another significant patent is the "Spectrograph apparatus for analyzing and displaying speech signals." This apparatus provides a real-time sound spectrogram of complex speech signals that vary rapidly in time. It utilizes a visual display device to present these signals in short time segments, allowing for a detailed frequency-time-intensity plot. This technology is particularly beneficial for speech training, especially for deaf students, as it enables them to observe the characteristics of speech in real time.
Career Highlights
Leslie has worked with several prominent organizations, including the Center for Communications Research, Inc. and General Signal Corporation. Her experience in these companies has contributed to her development as an inventor and innovator in her field.
Collaborations
Throughout her career, Leslie has collaborated with notable individuals such as John H. Auer, Jr. and Henry C. Sibley. These partnerships have likely enriched her work and expanded her impact in the field of communication technology.
Conclusion
Leslie C. Stewart's innovative patents and career achievements highlight her significant contributions to communication and speech analysis. Her work continues to influence the way we understand and utilize technology in these areas.