9 Spectrum analyzers, network analyzers, optical spectrum analyzers, optical network analyzers, optical time domain reflectmeter, digital multimeters, DC voltage/current generators, multi-channel digital recorder, frequency counters, pulse pattern generators, error detectors, protocol analyzers, digital spectrum analyzers, bluetooth tester, laser diode test system; applied electronic machines and apparatus, namely, testers for testing semiconductors, namely, large scale integrated circuits (LSI) and very large scale integrated circuits (VLSI), system on a chip (soC), logic, memory, flash memory, radio frequency integrated circuits (RFIC), mixed signal, liquid crystal display (LCD) driver, image sensor, e-beam, test handler; computer software for testing semiconductors, namely, large-scale integrated circuits (LSI) and very large scale integrated circuits (VLSI), system on a chip (soC), logic, memory, flash memory, radio frequency integrated circuits (RFIC), mixed signal, liquid crystal display (LCD) driver, image sensor, e-beam, test handler for use in the civilian industry, namely, the telecommunications industry, the mobile communications industry, the network communications industry, the medical industry, the aircraft industry, the household electronic appliance industry