Multiple purpose cameras; Acceleration sensors; Distance recording apparatus; Precision measuring apparatus in the field of golf, namely, an electronic sensor attachable to golf grip for measuring swing tempo, swing angle, swing plain of the golf club by analyzing the player's address, motion of backswing and downswing, and swing speed; Electric audio and visual apparatus and instruments, namely, audio mixers and recorders, audio circuit boards, audiovisual receivers, audio speakers and audio playback units; Remote control telemetering machines and apparatus; Computer program for analyzing golf swing; Computer software for analyzing golf swing; Downloadable computer software applications for analyzing golf swing; Computer application software for mobile phones for analyzing golf swing; Downloadable computer programs for analyzing golf swing; Computer software for analyzing golf swing; Hardware for analyzing golf swing, namely, golf club swing aids, namely, golf swing analyzer with voice feedback for the purpose to improve golf swing by tracking trajectory of golf balls, actual movement and shaft of golf clubs; Golf simulators, namely, electronic sports training simulators in the field of golf; Computer hardware and computer peripheral devices; Electronic cards for processing images; Data processing apparatus; Pre-recorded electronic media excluding computer software and featuring non-musical subject matter, namely, pre-recorded DVDs featuring golf instruction; Downloadable electronic publications in the nature of magazines in the field of golf; Audiovisual teaching apparatus, namely, electronic sports training simulators that incorporate LED displays