Electric cables; electric conductors; electric connectors; telecommunication cables and conductors; optical fibers; optical fiber cables; telecommunication systems comprised of transmitters, cables, receivers, amplifiers, repeaters, filters, signal processors, and computer software for operating, controlling and monitoring such systems; telecommunications lines; optical telecommunication systems comprised of optical transmitters, optical cables, optical receivers, optical amplifiers, optical repeaters, filters, electronic and optical signal processors, and computer software for operating, controlling and monitoring such systems; optical telecommunications lines; optical telecommunications apparatus and lines for wavelength multiplexing; video, voice and data transmission apparatus comprised of one or more transmitters and a transmission line, for transmitting video, voice, and/or data from a transmitter to one or more receivers for radio transmission; telephone network principally comprising transmitters, cables, receivers, amplifiers, repeaters, filters, signal processors and switches for the transmission of optical data; distributors comprised of transmission lines and/or a combination of transmission lines and transmitters/receivers for providing interactive exchange of data between different users or different locations; optoelectronic apparatus comprised of transmitters/receivers and transmission distribution apparatus for conversion between electrical and optical signals and vice versa; passive optical apparatus, namely, apparatus for the transmission of optical signals without amplification, such as optical fibers, optical fiber passive networks principally comprising transmitters, cables, receivers, amplifiers, repeaters, filters, signal processor and switches, and passive optical lines; apparatus for generating, switching, combining, amplifying, regenerating, transmitting and receiving optical signals; cable television apparatuses, namely, cable television transmitters, cable television distribution networks principally comprising transmitters, cables, receivers, amplifiers, repeaters, filters, signal processors, routers, hubs, distributors, and mixers; cable television modulators, cable television amplifiers, cable television receivers, planar optical apparatus for transmitting and receiving optical signals; lasers, not for medical purposes; optical amplifiers; optical modulators; and parts for all of the afore-mentioned goods