76603183
Jul 21, 2004
Sep 13, 2005
Fiber optic cables; fiber optic nodes and switches to transmit, receive and distribute voice, data, video and facsimile communications; fiber optic signal amplifiers; fiber optic switches which convert analog coaxial signals to digital fiber optical signals and which also convert digital fiber optical signals to analog coaxial signals; and optical fiber for use in the manufacture of all of the foregoing
Electrical and Scientific Apparatus