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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 7821600 | Projection display apparatus A projection display apparatus for combining image lights formed by two or more of different liquid crystal panels through a prism, and projecting the combined image light onto a projection plane through a projection optical system. The apparatus comprises a first o... | 10/26/2010 |
| 7789367 | Tilt angle adjusting device with a shaft and a moment transmission member, and projector including the device A tilt angle adjusting device has a shaft configured to be fixed to a bottom surface of a housing at least one end, and a moment transmission member connected to the shaft. The moment transmission member allows relative rotation between the shaft and the moment tran... | 09/07/2010 |
| 7717573 | Projection display apparatus A projection display apparatus has a light source, an image forming device for modulating light emitted from the light source with an image signal supplied thereto, and a reflective optical system for magnifying and projecting an image generated by the image forming... | 05/18/2010 |
| 7618146 | Multiscreen display system, multiscreen display method, luminance correction method, and programs Picture signals that indicate a screen that are supplied as output from a signal generation source are divided by a picture splitting device into picture signals of a plurality of screens for displaying a large screen and then supplied to a gradation conversion LUT ... | 11/17/2009 |
| 7591571 | Light source device and projection display apparatus A projection display apparatus generates image light by modulating, with an image signal, light emitted from a light source disposed in a lamp house, and projects the generated image light onto a screen. The projection display apparatus has an air inlet duct for int... | 09/22/2009 |
| 7465055 | Rotary operation mechanism, electronic apparatus and projector A rotary operation mechanism is provided with: a gear that is rotatably provided in the apparatus main unit of an electronic apparatus that is provided with an apparatus main unit and an outer case that covers this apparatus main unit; a rotating knob for effecting ... | 12/16/2008 |
| 7341357 | Projection display apparatus A projection display apparatus includes an image forming element, and an imaging optical system made up of a plurality of reflectors for projecting an image formed by the image forming element to provide an enlarged version of the image, wherein at least one of the ... | 03/11/2008 |
