This inventor holds 3 USPTO granted patents. Top assignees: Rainier Technologies Corporation, Other. Active years: 1987-1989.
Company Filing History:
1 out of 1 
2 out of 834,350 Years Active: 1987-1989
Title: **Dan M Percival: Innovator in Voice/Data Communication Technology**
Introduction
Dan M Percival, an inventive mind based in Maple Valley, Washington, holds a commendable portfolio of three patents. His contributions to the field of voice and data communication technologies showcase his innovative capabilities and dedication to enhancing communication systems.
Latest Patents
Among his most notable inventions is the **Voice/Data Switch**. This device selectively connects an audio communication terminal, such as a telephone, to electronic data communication equipment like computers or fax machines via a Telco line. The innovation features an announcement device and return signal detector that sends a message to a calling station upon receiving a ring signal. This message prompts the caller for a return signal—if the desired connection is intended. If no return signal is received, the system connects to the data communication equipment. Conversely, if a return signal is received, connection is established with the audio communication terminal.
Another significant invention from Percival is the **Premises Page/Intercom System Utilizing Telephone Set Components**. This system integrates dedicated intercom wiring powered by its source, allowing multiple telephone sets to facilitate both off-premises communication and intercom functionality. Each set includes standard telephone circuitry and an intercom circuit with a switch to toggle between communication modes. When a user wishes to page, a button is pressed at one station, transmitting a message broadcasted through speakers at all other telephone sets in the network, effectively utilizing existing wiring for audio signal transmission.
Career Highlights
Dan M Percival has contributed his expertise to notable firms, including Rainier Technologies Corporation, further solidifying his professional journey in technological innovation. His position within such organizations has allowed him to refine his skills and hone his focus on developing advanced communication solutions.
Collaborations
Throughout his career, Percival has collaborated with talented individuals such as Harry R Rasmussen and Charles Nickerson. These partnerships have played a significant role in shaping his patents, fostering an environment of creativity and shared innovation that has advanced communication technology.
Conclusion
Dan M Percival's inventive contributions in the realm of voice/data communication showcase his remarkable skills and dedication to enhancing connectivity. His patents address real-world communication needs, demonstrating his commitment to innovation that bridges technology and daily life. As he continues to evolve as an inventor, the impact of his work is sure to resonate well within the industry and beyond.