Monitor for display re-imaging and display re-imaging system

Details Monitor for display re-imaging and display re-imaging system Monitor for display re-imaging and display re-imaging system

H - Electricity

04

N

H04N 5/66 (2006.01) G02F 1/133 (2006.01) H04N 5/222 (2006.01) H04N 9/73 (2006.01)

Patent

CA 2339263

The display re-imaging system comprises a monitor (1) for display re- imaging and a television camera (30) having a display of the monitor for display re-imaging in a part of a field of view of the television camera. The monitor (1) consists of an LCD monitor comprising a back light: (11) including cold cathode fluorescent lamps (11-1 to 11-4) as a light source having a prescribed color temperature, and a non-self-light-emitting display panel (13) for selectively transmitting light emitted from the back light according to an image signal. The color temperature of the cold cathode fluorescent lamps (11-1 to 11-4) is adjusted to a level corresponding to a reddish color to match with the color temperature of the re-imaging environment. According to such a monitor (1) for display re- imaging and a display re-imaging system, because the color temperature correction is performed on the back light itself, there is no problem of reduced brightness as was the case with the conventional RGB and filter adjustment methods that were used in connection with the conventional monitors for display re-imaging and display re-imaging systems using LCD panels. As a result, the monitor has a thin profile, consumes little power, and provides a bright display as compared to the conventional CRT display.

Cette invention se rapporte à un système réunissant un moniteur de rephotographie et une caméra TV dont le champ de vision est réglé pour contenir une image du moniteur de rephotographie dans une partie du champ de vision. Le moniteur de rephotographie est constitué par une unité d'affichage à cristaux liquides comportant: un panneau translucide constitué par une lampe fluorescente à cathode froide formant une source lumineuse réglée sur une température de couleur prédéterminée, et un panneau de composants à cristaux liquides servant à transmettre sélectivement, en fonction de l'image, un rayon lumineux à partir du panneau translucide. En outre, la température de couleur d'une lampe fluorescente à cathode froide comprenant le panneau translucide est réglée sur une température de couleur rougeâtre en fonction de la température de couleur de l'environnement de rephotographie. On élimine ainsi les problèmes classique d'une réduction de la luminosité causée par l'utilisation d'un procédé de réglage RVB et d'un procédé de réglage de filtre.

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