Optical apparatus and instruments, namely, diffractive optical units, substrate-guided optical units; optical beam steering units; light guides for optical units and electronic apparatus; light transmittance and reflectance substrates for optical units and electronic apparatus; electronic apparatus, namely, image display units; head-mounted video displays; heads up video displays; hand-held video displays; optical apparatus, namely, beam and image expanders; optical switching units; optical polarizers; [ starlight amplifying units; infrared/thermal cameras; apparatus for recording, transmission or reproduction of sound/images; namely, audio/video amplifiers, loudspeakers, signal processors, mixers, tuners, television receivers, optical disc players, audiovisual receivers, graphic equalizers, loudspeakers, headphones, earphones, audio/video optical recorders/players of discs, audio/video receivers, home theatre and public entertainment video projectors, namely, plasma displays and television sets, video and data rear projection displays; digital light processing projectors, digital receivers and decoders for satellite, cable and terrestrial transmission; cameras, video cameras; telephones; mobile telephones, cellular telephones; weighing and measuring units; electro-optical apparatus and instruments to measure distance and angles for surveying applications; apparatus and instruments for positioning by satellites; data processing computers; smart terminals featuring computers, wireless computer peripherals; video conference equipment, namely, cathode ray tube, liquid crystal display and plasma video monitors; blank DVDs; VCRs; computers, printers, scanners, facsimile machines, photocopying machines, data processing equipment; circuit boards, computer software and programs used in optical applications; cash registers; calculating machines; fire-extinguishing apparatus; eyeglasses; sunglasses, lenses, helmets; ] electronic head-up displays used to project information into a user's field of view; optical projectors for eyeglasses, helmets, mobile display units all for use with vehicles or all kinds and apparatus for locomotion by land, air or water; electronic head-up displays used to project information into a user's field of view [ ; optical projectors, electronic mobile display units all for use with games and playthings;, namely, interactive role play games, board games, parlour games, family games, boxed games; dolls, robots, amusement machines, computer game discs, video compact discs featuring computer games, motion picture film featuring animation, education, and computer games, prerecorded video tapes featuring computer games, music, landscape, education, and animation, musical sound recordings, prerecorded audio tapes featuring music, Video and computer games, and hand-held electronic games, and scuba googles ]

[Optometric instruments and apparatus, namely, diffractive optical units, substrate-guided optical units for medical and optometric use; optical beam steering units; light guides; light transmittance and reflectance substrates; image display units; head-mounted displays; hand-held displays; beam and image expanders; optical switching units; optical polarizers; head-up displays used to project information into a user's field of view; optical projectors, eyeglasses, helmets, mobile display units all for use with medical, surgical, veterinary or dental apparatus and instruments and/or in medical and surgical treatments ] [ ; medical measuring and weighing instruments; medical diagnostic apparatus, namely, diagnostic apparatus for the determination of coronary, vasculary and orthopaedic conditions and for the monitoring of surgical activity and healing processes; pumps for medical purposes, lasers for medical purposes; apparatus for adjusting electromedical apparatus and retrieving data from such apparatus; apparatus for medical purposes operating with ultrasound; ultrasound machines; and medical imaging machines ]

[ Optical apparatus and instruments, namely, diffractive optical units, substrate-guided optical units, optical beam steering units, light guides, light transmittance and reflectance substrates, image display units, head-mounted displays, hand-held displays, beam and image expanders, optical switching units, optical polarizers, head-up displays used to project information into a user's field of view, optical projectors, eyeglasses, helmets, mobile display units, all for use with gaming gymnastic ] [ and sporting articles, namely, scuba diving masks, racquet sports equipment, namely, nets and racquets, bicycles, exercise machines and apparatus namely, stationary exercise bikes, exercise equipment, namely, stair stepping machines, exercise tables, exercise treadmills, exercise equipment, namely, jogging machines, weight lifting machines ]