3D spectacles; Access control and alarm monitoring systems; Accumulators; Acoustic alarms; Adapter cables for headphones; Alarm central units; Apparatus for checking the authenticity of banknotes; Apparatus for measuring the speed of golf swing; Apparatus for the recording, transmission and reproduction of sound and images; Apparatus for wireless transmission of acoustic information; Audio headphones; Audio-receivers and video-receivers; Baby monitors; Bar code printers; Bar code scanners; Ba...