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1994 T5 lamps with cool tip are introduced to become the leading fluorescent lamps with up to 117 lm/W with good color rendering. These and almost all new fluorescent lamps are to be operated on electronic ballasts only. [4] 1994 The first commercial sulfur lamp is sold by Fusion Lighting.
Sir Joseph Wilson Swan FRS (31 October 1828 – 27 May 1914) was an English physicist, chemist, and inventor.He is known as an independent early developer of a successful incandescent light bulb, and is the person responsible for developing and supplying the first incandescent lights used to illuminate homes and public buildings, including the Savoy Theatre, London, in 1881.
1890s: He invented a few types of filament lamps with metallic filaments; some say he was the first scientist to use a tungsten filament. He got a patent for lamps with tungsten filaments (US Patent No. 575,002 Illuminant for Incandescent Lamps , Application on 4 January 1893) [ 1 ] and sold it to General Electric (1906), [ citation needed ...
The first wireless remote control for a television US-based Zenith consists of a better flashlight, with which one lights up in one of the four devices corners to turn the unit on or off, change the channel or mute the sound. 1956 The company Metz introduces radio device type 409 / 3D. First mass production of printed circuit boards. This ...
The Moore lamp was the first commercially viable light-source based on gas discharges instead of incandescence; it was the predecessor to contemporary neon lighting and fluorescent lighting. [1] In his later career Moore developed a miniature neon lamp that was extensively used in electronic displays, as well as vacuum tubes that were used in ...
Apart from sunlight, the only light sources available at the time of invention in the 17th century were candles and oil lamps, which were very inefficient and produced very dim projected images. The invention of the Argand lamp in the 1790s helped to make the images brighter.
The Chinese Buddhist Diamond Sutra, printed by woodblock on 11 May 868, is the earliest known printed book with a precise publishing date. Movable type was invented by Chinese artisan Bi Sheng in the 11th century during the Song dynasty, but it received limited use compared to woodblock printing
Canadian Patent application. Henry Woodward was a Canadian inventor and a major pioneer in the development of the incandescent lamp. [1] He was born in 1832. On July 24, 1874, Woodward and his partner, Mathew Evans, a hotel keeper, filed a Canadian patent application on an electric light bulb.