86203330
Feb 25, 2014
Jan 6, 2015
Professional audio amplifiers; digital audio amplifiers; digital sound processors; digital signal processors; sound equalizers; self-powered loudspeakers; passive loudspeakers; loudspeaker management systems comprised of electronic controllers for setting up and controlling parametric sound equalizers, sound limiters, sound compressors, sound crossovers, loudspeaker alignment delays, and sub-harmonic synthesizers; microphones; light emitting diode (LED) displays; luminous variable/dynamic signs using light emitting diodes and electronic controllers to produce real-time and programmable messages and information displays; electronic regulating and control devices for the operation of light emitting diodes; power line conditioners
Electrical and Scientific Apparatus