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Since 2005, [10] the only remaining manufacturers of the LCDs for LCD projectors are Japanese imaging companies Epson and Sony. Epson owns the technology and has branded it as "3LCD". To market 3LCD projector technology, Epson also set up a consortium called the "3LCD Group" in 2005 with other projector manufacturer licensees of 3LCD technology ...
3LCD is the name and brand of a major LCD projection color image generation technology used in modern digital projectors. 3LCD technology was developed and refined by Japanese imaging company Epson in the 1980s and was first licensed for use in projectors in 1988. In January 1989, Epson launched its first 3LCD projector, the VPJ-700.
Complex Multi-image shows of the 1970s to 1990s, purposed usually for marketing, promotion or community service or artistic displays, used 35mm and 46mm transparency slides (diapositives) projected by single or multiple slide projectors onto one or more screens in synchronization with an audio voice-over and/or music track controlled by a ...
In 2004, Epson introduced their R-D1 (the first digital rangefinder camera on the market), which supports the Leica M mount and Leica M39 mount lenses with an adapter ring. Because its sensor is smaller than that of the standard 35 mm film frame, lenses mounted on the R-D1 have a narrower field of view by a factor of 1.53. In 2006, the R-D1 was ...
Eiki was founded in 1953 in Osaka, Japan by four founders (M. Matsuura, S. Yagi, K. Sekino and Y. Minagawa). [1] Initially the focus of the company was producing technology for classroom instruction but later on the company focused more on producing 16 mm movie projectors for other fields.
Slide projector light generation and collimation system: from left to right, mirror / reflector, bulb, condenser lens 1, green-tinted heat-absorbing glass, condenser lens 2; a centrifugal fan, used to cool the bulb, is visible at the top of the picture. A projector has three main optical elements: [3]: 39–40