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Telemobilscope was the name given to a very early form of radar by its inventor, Christian Hulsmeyer, who patented (and demonstrated a working prototype) in 1904.
Like modern radar, it worked by transmitting radio waves and detecting the "echoes" returned from solid objects.
The original Telemobilscope is in a museum in Munich -- and is said to be still in working order.
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Who was Christian huelsmeyer?
Christian Huelsmeyer (correctly spelled Hülsmeyer) (25 Dec. 1881 - 31 Jan. 1957) was a German inventor and entrepreneur. He is often credited with the invention of radar, but his apparatus, called the "Telemobiloscope," could not directly measure distance to a target and thus does not merit this full distinction. The Telemobiloscope, invented in 1904, was, however, the first patented device using radio waves for detecting the presence of distant objects. See more at Christian Hülsmeyer on Wikipedia.
Who invented the rador?
Christian Huelsmeyer in 1904 invented the 'telemobiloscope' in Dusseldorf, Germany. (He is given the most credit for the invention of the 'rador'.) The rador was worked on more by Dr. Hans E. Hollmann, the invented of the first transmitter and recever (this led to the first microwave communications system.) Hans-Carl von Willson worked with Hollmann and a third scientist Gunther Erbsloen and the devise was perfected that could detect ships around 8km away, and aircrafrs flying at a height of 500 meters or 30 km away. These three could be said to have created application that we most commonly associate with 'RADOR'.
