The sound of a siren is often associated with a state of emergency or an imminent danger. It is mainly used to warn people about perilous situations and to give them a head start in a case of extreme force. Various kinds of emergency vehicles use a combination of sirens and lights to signal other drivers about the nature of the emergency and to ensure mobility and easy navigation of ambulances, fire trucksand police cars on the road.
The sound of a siren is often associated with a state of emergency or an imminent danger. It is mainly used to warn people about perilous situations and to give them a head start in a case of extreme force. Various kinds of emergency vehicles use a combination of sirens and lights to signal other drivers about the nature of the emergency and to ensure mobility and easy navigation of ambulances, fire trucksand police cars on the road. Throughout history, the siren has saved millions of lives by giving people the means and necessary time to take cover before an attack or a natural disaster. Today, sirens are employed in personal home protection systems, self-defense and even in the pop industry.
A siren is basically a device that makes loud ominous noises in order toconvey a warning message in a universal language. This method of communication has been used since the enlightenment of the human race although when it was first invented it had a different purpose altogether. In 1799 John Robinson used sirens as a musical instrument that supplied compressed air to the pipes of an organ. Pneumatic devices were widely used to power early sirens but developments in the field of electricity and the expansion of the commercial power industry meant that they could be powered by electrical motors.
The aggressive methods enforced by Nazi Germany in the Second World War lead to the wide use of the air raid sirenin civil defense. In the height of the Blitzkrieg war in 1940 the alternating high and low tone of the air raid siren became a daily soundtrack for the people of London. Whenever it would go off, the continuous pitch of the air raid siren warned people about the impending probability of an attack and every citizen was required to stop any activity and take cover. The air raid siren combined with a sophisticated system of radio-based detection helped save millions of lives in Britain during World War II.
In our day and age the air raid siren has been adapted to serve other areas of civil defense and to warn citizens in case of nuclear attacks or natural disasters. It also helped the development of the household protection industry. Today the safety of one’s property is highly dependent on protection systems that use indoor and outdoor sensors. In case of a home invasion the security company and the police is alerted and homeowners have plenty of time to either react in self-defense or get out of the perpetrators way. The siren has also been included in personal safety kits. In the event of a mugging on the street the sound of the self-defensesiren will signal distress to people that are close enough to help or even deter the intentions of a robber.
Since it was first created as musical instrument, the siren http://sirencosirens.com has helped spare millions of lives. The civil defense siren, better known today as the air raid siren http://sirencosirens.com is used to signal imminent danger, whether from natural phenomena, nuclear or military attacks.