Motorcycle helmets with one or more heads-up displays (HUDs); motorcycle helmets and their parts and accessories; automotive helmets with one or more heads-up displays (HUDs); automotive helmets and their parts and accessories; protective helmets with one or more heads-up displays (HUDs); protective helmets and their parts and accessories; photographic apparatus and instruments; cinematographic machines and apparatus; optical machines and apparatus; speed indicators; measuring or testing machines and instruments; sensors [measurement apparatus], other than for medical use; detectors; gauges; distance recording apparatus; distance measuring apparatus; navigation apparatus for vehicles [on-board computers]; telecommunication machines and apparatus; intercoms; digital music players; headphones; wireless speakers; electronic apparatus for wireless reception, storage and transmission of data and messages; microphones for telecommunication; video recorders for automobiles; rearview cameras for vehicles; vehicle radios; remote control apparatus for the opening and closing of vehicle doors; remote controls for operating vehicle alarms; audio speakers for automobiles; head-mounted video displays; wearable video display monitors; radar apparatus; radar detectors; Global positioning system (GPS) apparatus; heads-up displays (HUDs) for motorcycle helmets; heads-up displays (HUDs) for automotive helmets; heads-up displays (HUDs) for protective helmets; heads-up displays (HUDs) for motorcycle racing helmets; heads-up displays (HUDs) for automobile racing helmets; heads-up displays (HUDs) for protective helmets for sports; heads-up displays (HUDs); personal digital assistants; smartphones; mobile computers; computers; card reading equipment; computer peripherals; computer peripheral equipment; data processing equipment; data processing apparatus; memories for data processing equipment; printed circuits; printed circuit boards; semi-conductors; discharge tubes, electric, other than for lighting; rectifier tubes; encoding and decoding apparatus and instruments; thermionic tubes; thermionic valves; electronic tubes; electronic integrated circuits; cases adapted for computers; cases for smartphones; protective cases for tablet computers; protective cases for personal digital assistants; covers for smartphones; covers for laptops; covers for tablet computers; computer software; ultrasonic object detectors for use on vehicles; goggles for sports with one or more heads-up displays (HUDs); goggles for sports with wireless communication capabilities; safety goggles with one or more heads-up displays (HUDs); safety goggles with wireless communication capabilities; goggles for motorcyclists with one or more heads-up displays (HUDs); goggles for motorcyclists with wireless communication capabilities; goggles for sports; safety goggles; goggles for motorcyclists; eyeglasses with one or more heads-up displays (HUDs); sunglasses with one or more heads-up displays (HUDs); eyeglasses; sunglasses; motorcycle racing helmets with one or more heads-up displays (HUDs); motor racing helmets with wireless communication capabilities; motorcycle racing helmets and their parts and accessories; automobile racing helmets with one or more heads-up displays (HUDs); automobile racing helmets with wireless communication capabilities; automobile racing helmets and their parts and accessories; protective helmets for sports with one or more heads-up displays (HUDs); protective helmets for sports with wireless communication capabilities; protective helmets for sports and their parts and accessories.