9 Table tennis training systems consisting of measuring devices, display units, and output devices for analyses, namely, apparatus for live-measurement of speed, spin, trajectory, height, placement and hit points of a table tennis ball, computers and liquid crystal displays; recorded computer programs for electronic assistance in table tennis training, namely for providing data-based training support in table tennis; measuring devices for sports competitions, also as technical support for broadcasting, for example in TV, namely, apparatus for live-measurement of speed, spin, trajectory, height, placement and hit points of a table tennis ball; recorded content, in particular software for capturing and analyzing table tennis games, for monitoring sporting events, and for training athletes in the field of table tennis; information technology and audio-visual, multimedia and photographic devices namely, audio-visual receivers, network routers, computers, memory cards, human machine electronic display interface, photographic cameras, video cameras, and video recorders; optical devices, enhancers and correctors namely, optical transmitters of electronic signals, optical receivers, and contrast enhancement filters for electronic display readout windows; measuring, detecting, monitoring and controlling devices namely, electronic controllers for sensors and computers for integrating a sensor or marker based system; scientific research and laboratory apparatus, namely, optical measuring systems comprised of optical sensors and computer hardware for analyzing and evaluating of a table tennis ball and of table tennis games for scientific research; educational apparatus and simulators, namely, electronic sports training simulators for simulating table tennis for training and/or evaluating table tennis skills and electronic sports training simulators; apparatus, instruments and cables for electricity, namely, apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current, and electric cables; safety, security, protection and signaling devices, namely, apparatus for receiving audio-visual signals and transforming signals into information output in the nature of digital signal processors, signal processors