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Selective image viewer for data processor peripheral - has touch contacts incorporated in sheet placed over screen for position designation
Selective image viewer for data processor peripheral - has touch contacts incorporated in sheet placed over screen for position designation
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机译:用于数据处理器外围设备的选择性图像查看器-将触摸触点合并到放置在屏幕上方的工作表中以指定位置
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摘要
The viewer has a selection unit for determining the image to be projected onto the screen (3) and a screen position designation device both coupled to a control circuit (2). A transparent sheet (6) divided into elementary zones is placed over the screen (3), each zone incorporating a touch-sensitive switch contact, coupled to the control circuit (2), so that the screen position designation is obtained by touching the respective zone. Pref. each of the switch contacts comprises a pair of spaced conductors, brought into electrical contact by application of finger press, the conductors embedded at different depths within the sheet (6).
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