Scientific, electrical, electronic, optoelectronic, optical instruments and apparatus, to control and use the light as the carrier of signal and information in optoelectronic systems, namely, photodiodes, photodetectors, optoelectronic detectors, electronic detectors, balanced photodetectors, auto-balanced photodetectors, microwave detectors, liquid level sensors, proximity sensors, biosensors, micro-electro-mechanical systems, inductive sensors, capacity sensors, solar cells, micro-electro-mechanical systems, inductive sensors, gas sensors for measuring gas concentration, humidity sensors, inclination sensors, temperature sensors, flow sensors, current sensors, angular sensors, pressure sensors, moisture sensors, motion sensors, laser diode, laser diodes transmitters, fiber optic transmitters, and electrical, electronic, optoelectronic, optical systems that drive an control said instruments and apparatus, namely, laser diode drivers, preamplifers, amplifiers, electronic mixers, electronic filters, temperature controllers, photo ionization detector controllers, photo ionization controllers, digital signal processors, thermoelectric cooling drivers, electrical controllers, current controllers, optoelectronic controllers, power supplies, namely, electrical power distribution blocks, electrical cells and batteries; optical apparatus and instruments, namely, photodetectors, balanced photodetectors, auto balanced photodetectors, electro-optic converter, all working from ultraviolet to mid infrared, laser diode drivers, laser spot tracker systems comprising, photodetectors, data acquisition modules, electronic signal processing unit, solar cells test characterization systems comprising light sources, monochromators, current sensors, power amplifier, solar cell, lasers diodes, laser diode drivers, photodectors, electronic signal processing unit, photodetectors characterization systems comprising laser diodes, laser diode drivers, current controllers, broadband oscillators, spectrum analyzers, network analyzers, high speed photodetectors and low noise photodetectors, fluorescence measurement system comprising light sources, photodetectors and electronic signal processing unit, color sensor system comprising light sources, photodetectors and electronic signal processing unit. weighing apparatus, namely, optoelectronic weight sensors, optoelectronic force sensor, optoelectronic torque sensors, optoelectronic inclination sensors Measuring apparatus and instruments, namely, gas sensors for measuring gas concentration, humidity sensors, pressure sensors, temperature sensors, flow sensors, weight sensors, acoustic sensors, inclination sensors, light sensors, distance sensors, temperature detectors, namely, pyrodetectors; Apparatus for transmitting sound and images, namely, optoelectronic transmitting systems comprising light sources, photodetectors, fiber optics, laser diode drivers and all the signal processing unit and electrical controllers

Scientific and technological services, and research and design, namely, testing and analysis services, feasibility studies, technical consulting, optoelectronic product research and development, namely, elaboration of prototypes and their parts and components, development and design of electrical, electronic and optoelectronic apparatus and instruments, high precision instruments, all in the field of optoelectronic detection, optical communication, optoelectronic sensors, electronic sensors, signal amplification, signal processing, solar cells characterization systems, machines tools, metrology, interferometry, spectroscopy, micro-electro-mechanical systems, photo-electrochemical systems, biosensors