Cameras; Webcams; Baby monitors; Camera flashes; Computer cameras; Computer keyboards; Computer mouse, namely, trackballs; Electric door bells; Electric navigational instruments; Heads-up displays (HUDs) in the nature of transparent electronic displays for use in specify, e.g., general aviation aircraft, projection of data from a mobile device onto a vehicle windshield, providing motorcycle riders with navigational and operational information, etc.; Loudspeakers, headphones, microphones and C...