This inventor holds 9 USPTO granted patents. Top assignees: Senstar Security Systems Corp., Senstar Corporation, Computing Devices Company. Active years: 1981-1997.
Company Filing History:
4 out of 6 
3 out of 3 
1 out of 1 Years Active: 1981-1997
Title: R Keith Harman: Innovator in Electrical Engineering
Introduction
R Keith Harman is a notable inventor based in Kanata, Canada, recognized for his contributions to electrical engineering. With a total of nine patents to his name, Harman has made significant advancements in the field, particularly in the area of alternating current detection and coaxial cable technology.
Latest Patents
Harman's latest patents include an innovative method for sensing alternating current in cables. This method involves positioning a coil adjacent to the cable, allowing electromagnetic fields generated by the currents to intersect different portions of the coil, thereby inducing current in the coil itself. Another significant invention is the dual leaky coaxial cable, which consists of a pair of parallel elongated conductors surrounded by dielectrics and multiple layers of conductive shielding. This design allows for selective coupling of magnetic fields, enhancing the performance of the cable.
Career Highlights
Throughout his career, R Keith Harman has worked with prominent companies such as Senstar Security Systems Corp. and Senstar Corporation. His work in these organizations has contributed to the development of advanced security and communication technologies.
Collaborations
Harman has collaborated with notable colleagues, including John W. Patchell and Kenneth L. Smith, further enriching his professional experience and contributions to the field.
Conclusion
R Keith Harman's innovative work in electrical engineering has led to significant advancements in alternating current detection and coaxial cable technology. His contributions continue to influence the industry and inspire future innovations.