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2. 发明授权

US5923313A Scanned flip-disk sign improvements 失效
标题翻译：扫描翻转盘符号改进
公开(公告)号：US5923313A
公开(公告)日：1999-07-13
申请号：US21584
申请日：1998-02-10
申请人： F. Martin Black , G. Frank Dye
发明人： F. Martin Black , G. Frank Dye
IPC分类号： G09F9/37 , G09G3/34
CPC分类号： G09F9/375
摘要： A modular display apparatus for displaying indicia at a front thereof has an inner frame with horizontal support beams, the inner frame supporting a plurality of grid modules, at least one grid module being located above another. A plurality of pixels rotationally mounted to the grid modules each include first and second display faces joined along respective adjacent edges. The pixels have a center of gravity located on each pixel so as to interact with an external force applied to the pixel and provide a complete rotation, with a minimum of bounce, to display a desired display face. A triggering mechanism has a plurality of solenoids adapted for selective actuation to rotate selected ones of the pixels for changing the pattern of the desired display indicia controlled by an electronic signal transmitted from an electronics system. The electronics system causes the solenoids to fire in two steps, including a first step of applying full voltage to each solenoid for a fixed period of time and a second step of applying a significantly lower "hold" voltage to the solenoid for the remaining time the solenoid is activated. A single cable drive system drives the triggering mechanism in bidirectional motion.
摘要翻译：用于在其前面显示标记的模块化显示装置具有带有水平支撑梁的内框架，所述内框架支撑多个网格模块，至少一个网格模块位于另一个网格模块之上。旋转地安装到栅格模块的多个像素各自包括沿着相邻的相邻边缘连接的第一和第二显示面。像素具有位于每个像素上的重心，以便与施加到像素的外力相互作用并以最小的反弹提供完整的旋转以显示期望的显示面。触发机构具有多个螺线管，其适于选择性地致动以旋转所选像素中的一个以改变由电子系统发送的电子信号控制的期望显示标记的图案。电子系统使螺线管以两个步骤启动，包括在固定时间段内向每个螺线管施加全电压的第一步骤，以及在剩余时间内向螺线管施加明显较低的“保持”电压的第二步骤螺线管被激活。单个电缆驱动系统以双向运动驱动触发机构。

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