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    • 121. 发明专利
    • FLIGHT SIMULATOR WITH REPRODUCING DEVICE
    • JPH07121097A
    • 1995-05-12
    • JP26876493
    • 1993-10-27
    • MITSUBISHI HEAVY IND LTD
    • SHIMIZU MASAKAZU
    • G09B9/12G06T19/00G09B9/28G09B9/32G06T15/00
    • PURPOSE:To make it possible to evaluate a high degree of freedom as well as study evaluate the results of steering by the simulator by instructing a coordinate transforming device of the exchange of he visual points of a target and a pilot or the reproduction by the visual point from an arbitrary coordinate point. CONSTITUTION:The coordinate transforming device 6 for displaying the motions of the own plane or the target at the time of reproducing the results of the execution held in a memory device 4 is added by changing the visual points. The simulator is so constituted that the data flow in prescribed routes in the case of recording of the results of the steering made by the pilot 1 in a cockpit (steering device) while viewing videos 3 and the steering data of the target, etc., in a memory device 4 and reproducing of such data. The steering data, etc., of the pilot 1 and the steering data, etc., of the target are exchanged by the coordinate conversion device 6 and thereafter, the motions of the own plane from the visual point of the target are recognized by the video 3 via a motion/ control calculation circuit 5 and a video generator 2.
    • 129. 发明专利
    • MULTIPLE IMAGE FORMER
    • JPH023007A
    • 1990-01-08
    • JP1605789
    • 1989-01-25
    • KAISER AEROSPACE & ELECTRONICS
    • AASAA RUISU BAAMANTOOMASU EMU RUISU
    • G02B5/30G02B27/00G02B27/01G02F1/13G02F1/1335G02F1/1347G09B9/32G09G3/00G09G3/18
    • PURPOSE: To improve the contrast/transmittance by providing a cholesteric liquid crystal element to be functioned as an image shutter device while allows the selective transmission of the respective parts of images to an observer or shuts off the same in combination with an LCD to be installed. CONSTITUTION: While the cholesteric element has an extremely high transmittance to light exclusive of a band width B (green), the element is capable of reflecting 90% of the light exclusive thereof. The cholesteric element 54 reflects the RCHP(right hand cholesteric) green light emitted by this characteristics and allows the transmission of the LHCP(left hand cholesteric) image to the controllable type LCD 56, thereby forming the image from an image source 52 as left hand circularly polarized light. The LCD 56 allows the transmission of the image as it is without attenuation when a specified voltage level is impressed thereon. The LCD converts the transmission image into the RHCP by another voltage level. When the light of the circularly polarized light is reflected by a beam splitter 58, etc., the inversion of the polarization direction is made possible. As a result, the attenuation is lessened and a high contrast ratio of the image with respect to the background image and a high transmittance of the image are obtd.