This inventor holds 3 USPTO granted patents. Top assignee: Northern Telecom Limited. Active years: 1985-1993.
Company Filing History:
Years Active: 1985-1993
Title: **Raymond C. Freeman: Innovator in Telecommunication Technologies**
Introduction
Raymond C. Freeman, a distinguished inventor based in London, CA, has made significant contributions to the field of telecommunications. With a portfolio that includes three patents, Freeman’s innovations have enhanced the functionality and efficiency of telephone systems.
Latest Patents
Freeman's recent patents reflect his dedication to improving communication devices. One of his notable inventions is the **Telephone Alerter**. This device features a transducer disc securely held by a detachable annular housing on a printed circuit board. The innovative design allows for easy removal of the transducer disc by rotating the housing, facilitated by an O-ring retainer that ensures secure compression between the board and the disc. This invention enables quick maintenance and replacement, adding convenience for users.
Another significant invention by Freeman is the **Transmitter Assembly for a Telephone Handset**. This assembly utilizes a commercially available cartridge electric transmitter, enhancing its response curve through a specialized adapter housing. The design cleverly incorporates a first volume for damping, an end wall with a hole covered by acoustic resistance material for dB limitation at a specific frequency (1000 Hz), and a second volume that allows resonance at another frequency (3000 Hz). This innovation enhances sound quality, making conversations clearer and more effective.
Career Highlights
Currently, Freeman is associated with Northern Telecom Limited, where he has been pivotal in advancing telecommunication technologies. His work with cutting-edge inventions has made a lasting impact on the industry, showcasing his commitment to innovation and improvement in communication methods.
Collaborations
Throughout his career, Freeman has collaborated with notable colleagues such as Beverley W. Gumb and Alan C. Busche. These partnerships have fostered an environment of creativity and innovation, driving forward the development of advanced telecommunication solutions.
Conclusion
Raymond C. Freeman stands out as a prominent figure in the realm of telecommunications. His inventive spirit and dedication have led to significant enhancements in telephone technology, benefiting users and the industry alike. With continued innovation, Freeman's contributions promise to pave the way for future advancements in communication.