Signal conditioning and communication devices for industrial process control; Signal generators; Optical signalling devices, in particular signal columns in the nature of electrical signal towers, signal lamps, flashing safety lights, indicator lights for use in industrial facilities; Acoustic signalling devices, in particular sirens, loudspeakers, electronic buzzers; Alarm devices in the nature of visual and acoustic warning devices, namely, electric warning lights, electronic warning horns; Acoustic alarm devices in the nature of sirens, loudspeakers, electronic buzzers; Optical alarm devices in the nature of flashing safety lights, signal lamps, indicator lights; Receivers for electronic signals; Electronic signal transmitters; signal amplifiers; signal processing equipment in the nature of digital signal processing devices; signal receiving apparatus in the nature of electronic signal receivers and signal transceivers; radio transmitting and receiving apparatus in the nature of radio transmitters and receivers; measuring apparatus and instruments in the nature of digital sensors for measuring and detecting sound, motion, light, liquid, smoke, temperature, gas, and touch, not for medical use; electronic monitoring apparatus in the nature of digital sensors and detecting sound, motion, light, liquid, smoke, temperature, gas, and touch, not for medical use; electronic diagnostic equipment for detecting smoke, fire, sound, and motion for the purpose of alarming against danger and hazards; apparatus in the nature of digital sensors and electronic diagnostic equipment for detecting and identifying the operating conditions and status of machines and production installations; electric or electronic sensors for monitoring sound, motion, light, liquid, smoke, temperature, gas, touch and movement; downloadable computer software for controlling and monitoring signalling and alarm apparatus; flashing safety lights; rotating lights; flashing and steady safety lights; security lights for outdoor use; motion sensitive security lights
Electrical and Scientific ApparatusPermanent lights in the nature of lighting fixtures; LED lighting apparatus; rotating mirror lights in the nature of lighting fixtures; electric lighting fixtures, namely, power failure backup safety lights
Environmental Control Apparatus