G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles
(AREA)
Electric Propulsion And Braking For Vehicles
(AREA)
Installation d'alarme pour vehicules avec production de signaux acoustiques par l'intermediaire d'au moins un haut-parleur radio installe dans le vehicule