Company Filing History:
Years Active: 1989-1990
Title: The Innovations of John D Fourdraine
Introduction
John D Fourdraine is a notable inventor based in Toronto, Canada. He has made significant contributions to the field of telecommunications and broadcasting through his innovative patents. With a total of 3 patents, Fourdraine has demonstrated a commitment to advancing technology in practical ways.
Latest Patents
Among his latest patents is a method and apparatus for determining when a telephone handset is off-hook. This invention provides an automatic telecommunications system that communicates between a central location and at least one remote location over the switched telephone network. It senses changes in loading of the telephone line that correspond to a telephone going off-hook, allowing the system to relinquish its use of the telephone line or refrain from going off-hook if a telephone is already in use.
Another significant patent is an apparatus and method for automatically monitoring broadcast band listening habits. This electronic monitor system periodically collects data at a central location. It includes a microphone circuit and a tuner circuit that work together to record listening habits. The operation of this portable monitor can be performed intermittently to extend battery life, and it features power supply monitoring circuits to prevent data loss during battery discharge.
Career Highlights
Throughout his career, John D Fourdraine has worked with prominent companies such as Control Data Corporation and Viewfacts, Inc. His experience in these organizations has contributed to his expertise in telecommunications and broadcasting technologies.
Collaborations
Fourdraine has collaborated with notable coworkers, including Russell J Welsh and Joseph A Damoci. Their combined efforts have likely fostered an environment of innovation and creativity in their respective projects.
Conclusion
John D Fourdraine's contributions to telecommunications and broadcasting through his patents reflect his innovative spirit and dedication to technology. His work continues to influence the industry and inspire future inventors.