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5. 发明授权

US4158130A Interchangeable auxiliary keyboard 失效
标题翻译：可互换辅助键盘
公开(公告)号：US4158130A
公开(公告)日：1979-06-12
申请号：US795256
申请日：1977-05-09
申请人： Floyd G. Speraw , Michael B. Sestina , Paul L. Hittinger
发明人： Floyd G. Speraw , Michael B. Sestina , Paul L. Hittinger
IPC分类号： G06F3/02 , B41J5/10 , C08G69/32 , H01H13/12 , H01H13/14 , G06C7/02 , G06C25/00
CPC分类号： B41J5/102 , H01H2217/022
摘要： A low cost, self locating auxiliary keyboard assembly is disclosed for changing the key configuration and classification of the keyboard of a data terminal device, the assembly including a cover member having a plurality of apertures which overlie associated control keys on the keyboard of the data terminal device. A classification indicia card having a plurality of predetermined positioned apertures is placed on the cover member, the apertures in the indicia card overlying certain of the apertures in the cover member to allow a removable auxiliary key member to be inserted within the aligned apertures of both the indicia card and the cover member to engage the top portion of the associated control key on the keyboard of the data terminal device for operation thereby. Removing the auxiliary key members from the cover member allows other indicia cards to be located on the cover member thereby changing the configuration and classification of the keys of the keyboard allowing the keyboard to operate in different functional modes. Means are provided in the cover member which cooperate with the control keys on the keyboard to orientate and hold the cover member on the keyboard of the data terminal device.
摘要翻译：公开了一种用于改变数据终端设备的键盘的关键配置和分类的低成本自定位辅助键盘组件，该组件包括具有多个孔的盖构件，覆盖构件覆盖数据终端的键盘上的相关控制键设备。具有多个预定定位的孔的分类标记卡被放置在盖构件上，标记卡中的孔覆盖在盖构件中的某些孔上，以允许可拆卸的辅助键构件插入两个标记卡和盖构件，以接合数据终端设备的键盘上的相关联的控制键的顶部，以便操作。从盖构件中移除辅助键构件允许其它标记卡位于盖构件上，从而改变键盘的键的配置和分类，从而允许键盘以不同的功能模式操作。装置设置在盖构件中，与键盘上的控制键配合，以将盖构件定向并保持在数据终端装置的键盘上。

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