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Three types of projection systems are used in projection TVs. CRT rear-projection TVs were the earliest, and while they were the first to exceed 40", they were also bulky and the picture was unclear at close range. Newer technologies include DLP (reflective micromirror chip), LCD projectors, Laser TV and LCoS.
Logo The Christie Mirage 5000, a 2001 DLP projector. Digital light processing (DLP) is a set of chipsets based on optical micro-electro-mechanical technology that uses a digital micromirror device. It was originally developed in 1987 by Larry Hornbeck of Texas Instruments. While the DLP imaging device was invented by Texas Instruments, the ...
In the UK, the refurbished electronics marketplace Back Market claims that "refurbished" devices are distinct from "used" devices, where a "used" device is one where no repairs or testing have taken place. [2] However other specialist retailers, like The Big Phone Store, define refurbished phones as a specific type of used or second-hand device ...
These CRT devices are often confused between the DLP Rear Projection TV, both of which have a different recycling process due to the materials of which they are composed. The EU and its member states operate a system via the European Waste Catalogue (EWC) – a European Council Directive, which is interpreted into "member state law".
Panasonic plasma TV of the last generation. 55 inch (140 cm). Middle class ST60 series (2013). A plasma display panel is a type of flat-panel display that uses small cells containing plasma: ionized gas that responds to electric fields.
The rear of an LG.Philips Displays 14-inch color cathode-ray tube showing its deflection coils and electron guns Braun's original cold-cathode CRT, 1897 Typical 1950s United States monochrome CRT TV Snapshot of a CRT TV showing the line of light being drawn from left to right in a raster pattern Animation of image construction using the ...