This inventor holds 4 USPTO granted patents. Top assignees: Earmark, Inc., Other. Active years: 1981-1996.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 3 
1 out of 834,453 Years Active: 1981-1996
Title: The Innovative Contributions of Robert A Valley
Introduction
Robert A Valley is a notable inventor based in Branford, CT (US). He has made significant contributions to the field of audio technology, holding a total of 4 patents. His work focuses on enhancing the functionality and efficiency of microphone assemblies and voice signal detection methods.
Latest Patents
One of his latest patents is a microphone assembly designed for adhesive attachment to a vibratory surface. This innovative assembly features a cylindrical housing with an inwardly extending recess at its front end, which is covered by a first diaphragm. The microphone unit within the housing has a diaphragm that communicates with the recess, creating an airtight chamber that transmits vibrations from the first diaphragm to the microphone diaphragm. Additionally, a doubly adhesively sided pad made of plastic closed cell foam material provides a vibration transmitting interface that is free of air flow passages or pockets.
Another significant patent by Robert A Valley is a method and apparatus for detecting the presence of human voice signals. This invention recognizes that fundamental frequency components of human voice signals are separated by a characteristic frequency difference ranging from about 120 hertz to about 180 hertz. The method involves mixing and filtering a limited frequency band portion of audio signals to produce a signal that contains the difference frequencies of the components included in that band. This signal is then processed to determine if it contains a significant magnitude component representing the human voice characteristic difference frequency.
Career Highlights
Throughout his career, Robert A Valley has worked with various companies, including Earmark, Inc. His innovative work has contributed to advancements in audio technology and has been recognized within the industry.
Collaborations
Robert has collaborated with notable individuals such as David S MacDonald and Richard R Rothbone, further enhancing the impact of his inventions.
Conclusion
Robert A Valley's contributions to audio technology through his patents and collaborations highlight his innovative spirit and dedication to improving communication devices. His work continues to influence the field and inspire future advancements.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile