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The distinctive sound of police sirens, often referred to as the "police sound," has evolved over time and does not have a single inventor. It emerged in the early 20th century as police vehicles transitioned from horse-drawn carriages to motorized cars. Sirens were developed to alert the public and other drivers of an approaching emergency vehicle, with various designs and tones being introduced over the years. The modern two-tone siren commonly used today was popularized in the 1950s and 1960s.
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Who invented the police robot?
police
How was surround sound invented?
Surround Sound was invented in 1843
Who invented the police lights?
Police lights are the red and blue lights that use in an emergency. It was invented by a Superintendent of Signals for the Police Department of Detroit in 1920.
Who developed the police force?
the police force was invented by peel
Who is the inventor of sound?
No one invented sound
What year was the police invented?
1887
Who invented the sound tv?
When television became first available in the 1930's it was broadcast with sound. One of the first broadcasts was from the 1936 Olympic Games in Berlin.
Who invented the police in the US?
The concept of a police force was brought by the colonists from Britain.
What is the sound of a police car?
They sound like any other car.
Who invented the police car?
samella Spencer
What year was the police car invented?
1887
Who invented the waltzer ride?
Acording to Vic Reeves the Waltzer was invented by the Belgian police
