发明名称 VISUAL DISPLAY COMMUNICATION APPARATUS FOR ENABLING A HANDICAPPED OR INFIRM INDIVIDUAL TO COMMUNICATE INFORMATION
摘要 An apparatus for permitting a handicapped or infirm individual to visually communicate information including a display unit that has a display panel that has a series of compartments containing lamps and has translucent windows located over the compartments that have messages or other similar information. An illuminating circuit is provided to cause sequential illumination of the lamps in either a vertical or horizontal direction upon receipt of appropriate input signals. Various control units are also provided for permitting a handicapped or infirm individual to readily transmit input signals to the illuminating circuit to cause sequential illumination of the lamps.
申请公布号 US3651512(A) 申请公布日期 1972.03.21
申请号 USD3651512 申请日期 1970.05.05
申请人 FAIRCHILD INDUSTRIES INC. 发明人 GEORGE D. SUMMERS
分类号 G08B5/36;(IPC1-7):G08B7/06 主分类号 G08B5/36
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