This inventor holds 3 USPTO granted patents. Top assignees: Digital Communications Corporation, Satellite Business Systems. Active years: 1976-1983.
Location History:
- Mount Airy, MD (US) (1976)
- Mt. Airy, MD (US) (1981 - 1983)
Company Filing History:
2 out of 16 
1 out of 13 Years Active: 1976-1983
Title: The Innovations of David W Matthews
Introduction
David W Matthews is an accomplished inventor based in Mt. Airy, MD (US). He holds three patents that showcase his expertise in communication systems and optical technologies. His work has significantly contributed to advancements in the field of telecommunications.
Latest Patents
One of Matthews' latest patents is a method and apparatus for measuring signal to noise ratio in a time division multiple access (TDMA) communications system. This innovative method allows for the measurement of signal to noise ratio without interrupting normal communications. The measurement is performed on the unmodulated carrier during the preamble of each information burst in the TDMA format. By sampling carrier and noise powers at a predetermined time, Matthews' invention achieves accurate signal to noise ratio measurements with minimal error.
Another notable patent involves a feedback circuit for controlling the peak optical output power of an injection laser. This invention utilizes a photodiode to monitor the intensity of laser radiation and adjusts the current accordingly. The feedback mechanism ensures optimal performance of the laser, enhancing its efficiency and reliability.
Career Highlights
Throughout his career, Matthews has worked with prominent companies such as Digital Communications Corporation and Satellite Business Systems. His experience in these organizations has allowed him to develop and refine his innovative ideas, leading to the successful patents he holds today.
Collaborations
Matthews has collaborated with notable individuals in the field, including Andrew M Walker and Henry D Chadwick. These partnerships have contributed to the development of his inventions and have fostered a collaborative environment for innovation.
Conclusion
David W Matthews is a distinguished inventor whose contributions to telecommunications and optical technologies have made a lasting impact. His patents reflect his commitment to innovation and excellence in his field.