公开(公告)号：US20090140890A1

公开(公告)日：2009-06-04

申请号：US12178647

申请日：2008-07-24

申请人： SHAN-QIN BAO ,  ZHANG-BO HUANG ,  HAI-YAN WANG ,  AI-LIAN LIU ,  GEN-HUA LIU ,  WEN-QING DU

发明人： SHAN-QIN BAO ,  ZHANG-BO HUANG ,  HAI-YAN WANG ,  AI-LIAN LIU ,  GEN-HUA LIU ,  WEN-QING DU

IPC分类号： H03M11/00

CPC分类号： G06F3/023

摘要： An exemplary keyboard includes a row-and-column scanning matrix and a lock switch. The row-and-column scanning matrix includes a controller including a plurality of input ports and output ports, a plurality of keys electrically connecting the plurality of input ports to the plurality of output ports of the controller via a plurality of row conductive lines and column conductive lines when actuated. The lock switch connected in series with one or more of the plurality of keys is configured for disabling the one or more of the plurality of keys when opened.

摘要翻译： 示例性键盘包括行和列扫描矩阵和锁定开关。 行列扫描矩阵包括包括多个输入端口和输出端口的控制器，多个键经由多个行导线和列将多个输入端口电连接到控制器的多个输出端口 导电线。 与多个键中的一个或多个串联连接的锁定开关被配置为在打开时禁用多个键中的一个或多个。