D45

Class [9]
Computer & Software Products & Electrical & Scientific Products

Audio and video data transmission systems, intercoms, video door phones, telephones and telephone apparatus, indoor and outdoor intercom and video door phone sets, television cameras and monitors for video surveillance, telephones and switchboards for household use, control units for anti-intruder systems and intruder detectors therefor including infra-red, microwave or combined technology movement detectors, sirens and visual alarms, glass-break detectors, door or window opening detectors, thermoregulating apparatus including room thermostats and chronothermostats and control units therefor.