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    • 52. 发明授权
    • Slide projector and slide tray
    • 滑动投影机和滑动托盘
    • US4601559A
    • 1986-07-22
    • US573388
    • 1984-01-24
    • Eckhart OehmichenAlf K. Neustadt
    • Eckhart OehmichenAlf K. Neustadt
    • G03B23/04G03B23/14G03B23/02
    • G03B23/044G03B23/14
    • The slide projector (4) for single-slide, lap-dissolve or stereo projection, which works on the gravity feed principle, is designed for operation with linear slide trays (1, 2) divided into compartments. At the top, it has either two receptacles for slide-tray covers (2, 5) or one receptacle (4g) and one cover (4h) integral with the housing of the projector. When being placed on the projector, the slide tray is automatically unlocked, so that the housing of the tray becomes shiftable. Switching means ensure that the projector cannot operate until the slide tray is properly positioned. The projector also has a variable electronic light intensity control facility. It initiates no projection when a tray compartment is empty.The slide tray (1, 2) is so designed that slides are loaded into the housing (1) of the tray from above in an upright and laterally correct image position; the housing (1) is then closed with the cover (2). During projection, the cover forms the bottom of the slide tray.
    • 适用于重力进给原理的单滑块,搭接式或立体声投影机的幻灯机(4)设计用于分为隔间的直线滑动托盘(1,2)。 在顶部,它有两个用于滑动托盘盖(2,5)或一个插座(4g)的插座和一个与投影机壳体一体的盖子(4h)。 当放置在投影机上时,滑动托盘自动解锁,使得托盘的外壳可以移动。 切换装置确保投影机在滑块正确定位之前无法操作。 投影机还具有可变电子光强度控制设备。 当托盘舱是空的时,它不会启动投影。 滑动托盘(1,2)被设计成使得滑块从上方以直立和横向正确的图像位置装载到托盘的壳体(1)中; 然后用盖(2)关闭壳体(1)。 在投影期间,盖子形成滑动托盘的底部。
    • 54. 发明授权
    • Slide projector for both magazine and single slide projection
    • 滑动投影机用于杂志和单张幻灯片投影
    • US4106867A
    • 1978-08-15
    • US829083
    • 1977-08-30
    • Reinhard Sobotta
    • Reinhard Sobotta
    • G03B23/04G03B23/14G03B21/00
    • G03B23/048G03B23/14
    • A magazine-type slide projector has a single slide projection accessory that is removably placeable across the magazine track. The accessory has a slide compartment positioned on the slide changing plane, and the compartment has an open top edge and an open side edge facing the slide projection position. The accessory allows manual insertion and removal of single slides through the top opening of the compartment for movement of the slides into and out of the slide projection position by the slide changing device. The projector also preferably has a storage compartment where the accessory can be conveniently stored when not in use.
    • 杂志式幻灯机具有可拆卸地放置在杂志轨道上的单个滑动投影附件。 附件具有位于滑动变换平面上的滑动隔间,并且隔室具有面向滑动突出位置的敞开的顶部边缘和敞开的侧边缘。 该附件允许手动插入和移除单个幻灯片通过隔间的顶部开口,以便滑块通过滑动更换装置移动和滑出滑动突出位置。 投影仪还优选地具有储存室,其中在不使用时可以方便地存储附件。