Constantin Senlecq
Encyclopedia
Constantin Senlecq was a French
scientist
and inventor who is credited with the invention of telectroscope
. He worked independently of the American inventor George R. Carey
, who came up with a similar idea at approximately the same time ( 1877 - 1880) .
Telectroscope
was the first prototype television
. It used the photoconductive
properties of selenium
to transmit image
.
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...
scientist
Scientist
A scientist in a broad sense is one engaging in a systematic activity to acquire knowledge. In a more restricted sense, a scientist is an individual who uses the scientific method. The person may be an expert in one or more areas of science. This article focuses on the more restricted use of the word...
and inventor who is credited with the invention of telectroscope
Telectroscope
thumb|200px|right|Telectroscope technical illustration in [[Scientific American]] Supplement No. 275, April 9, 1881The telectroscope was the first non-working prototype of a television or videophone system...
. He worked independently of the American inventor George R. Carey
George R. Carey
George R. Carey was an American inventor born in 1851. He was among the first to propose the telectroscope using the photo-electric properties of selenium as a means for transmitting images - a precursor to modern television.George R...
, who came up with a similar idea at approximately the same time ( 1877 - 1880) .
Telectroscope
Telectroscope
thumb|200px|right|Telectroscope technical illustration in [[Scientific American]] Supplement No. 275, April 9, 1881The telectroscope was the first non-working prototype of a television or videophone system...
was the first prototype television
Television
Television is a telecommunication medium for transmitting and receiving moving images that can be monochrome or colored, with accompanying sound...
. It used the photoconductive
Photoconductivity
Photoconductivity is an optical and electrical phenomenon in which a material becomes more electrically conductive due to the absorption of electromagnetic radiation such as visible light, ultraviolet light, infrared light, or gamma radiation....
properties of selenium
Selenium
Selenium is a chemical element with atomic number 34, chemical symbol Se, and an atomic mass of 78.96. It is a nonmetal, whose properties are intermediate between those of adjacent chalcogen elements sulfur and tellurium...
to transmit image
Image
An image is an artifact, for example a two-dimensional picture, that has a similar appearance to some subject—usually a physical object or a person.-Characteristics:...
.