It is unlawful for a person to operate any device, or to permit a site under said person’s use and control to be the location of any device that is being operated to produce a beacon-type beam of light, whether portable or fixed (except common battery powered hand held lights), the primary purpose of which is to cast a concentrated beam of light generally skyward during any time between sunset and sunrise as a means of attracting attention to a location rather than to illuminate any place, person or thing.