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21. 发明授权

US870275A Cap for keys of type-writing and analogous machines. 失效
标题翻译：类型书写和仿制机器的封面。
公开(公告)号：US870275A
公开(公告)日：1907-11-05
申请号：US1906323316
申请日：1906-06-25
申请人： WHITEHEAD & HOAG CO
发明人： CONKLIN EDWARD D
CPC分类号： B41J5/12 , H01H3/125

22. 发明授权

US427609A George goedon prentice 失效
公开(公告)号：US427609A
公开(公告)日：1890-05-13
申请号：US427609D
CPC分类号： B41J5/12

23. 发明申请

US20180130614A1 Keyboard Structure 审中-公开
公开(公告)号：US20180130614A1
公开(公告)日：2018-05-10
申请号：US15801291
申请日：2017-11-01
申请人： DARFON ELECTRONICS CORP.
发明人： Jui-Yi Huang , Chien-Shih Hsu
IPC分类号： H01H3/12 , G06F1/16 , B41J5/12
CPC分类号： H01H3/122 , B41J5/12 , G06F1/1662 , H01H13/705 , H01H2221/026 , H01H2221/03 , H01H2221/05 , H01H2221/062 , H01H2227/016
摘要： A keyboard structure and assembling method thereof are provided. The keyboard structure includes a baseplate, a keycap and a frame having a hook body. The keycap can be inserted into the frame and restricted by the hook body, so that the range of movement of the keycap is restricted. The keycap cannot be separated from the frame so that the coupling of the frame and the baseplate is not interfered by the keycap. Thus, the present invention can effectively simplify the assembling process of the keyboard.

24. 发明申请

US20170309421A1 KEYBOARD SWITCH 审中-公开
公开(公告)号：US20170309421A1
公开(公告)日：2017-10-26
申请号：US15516391
申请日：2015-12-29
申请人： Zhengming Yu
发明人： Zhengming Yu
IPC分类号： H01H13/705 , B41J5/12 , G06F3/02 , G06F15/02
CPC分类号： H01H13/14 , B41J5/12 , G06F3/0202 , G06F15/0225 , H01H3/125 , H01H13/10 , H01H13/70 , H01H13/7006 , H01H13/705 , H01H2215/03 , H01H2227/036 , H01H2235/00
摘要： A keyboard switch comprises an upper cover (1), a base (2), a fixed terminal (3), a movable terminal (4) and a pressing component (5). A guide column (21) is disposed on the base, the pressing component is installed on the guide column on which a return spring (8) is fitted, the upper end of the pressing component is exposed out of the upper cover for pressing, and the upper cover is fastened to the base to form a cavity, the fixed terminal and the movable terminal are disposed on one side of the pressing component in the cavity, and one end of the fixed terminal and one end of the movable terminal penetrate out of the base to be connected to an external circuit. The pressing component moves up and down to drive the movable terminal to move, and further to control contact and disconnection between the other end of the movable terminal and the other end of the fixed terminal. Further, an elastic auxiliary component for interfering with the pressing component to enhance the pressing sense is disposed on the other side of the pressing component, and the pressing component interferes with the elastic auxiliary component while moving up and down to drive the movable terminal. The keyboard switch makes full use of the inner space of the switch and an auxiliary device is added in the switch, so that the switch has good touch and voice, a simple structure and a long life.

25. 发明申请

US20060257190A1 Magnetically levitated key structure 审中-公开
标题翻译：磁悬浮关键结构
公开(公告)号：US20060257190A1
公开(公告)日：2006-11-16
申请号：US11397628
申请日：2006-04-05
申请人： Chia-Hsuan Chiang
发明人： Chia-Hsuan Chiang
IPC分类号： B41J5/00
CPC分类号： B41J5/12 , G06F3/0221 , H01H3/125 , H01H2221/04 , H01H2223/052
摘要： A magnetically levitated key structure is disclosed. The attractive and repulsive forces of two magnetic components, which replace the elastic component of the prior key structure, control the upward and downward movement of the key cap. Therefore, the magnetically levitated key structure of the present invention has reduced key height when it is not in use, so as to minimize its occupied space.
摘要翻译：公开了一种磁悬浮键结构。两个磁性部件的吸引力和排斥力代替现有的钥匙结构的弹性部件来控制钥匙盖的向上和向下运动。因此，本发明的磁悬浮键结构在不使用时具有减小的键高度，从而最小化其占用空间。

26. 发明授权

US5290115A Cushioning means for keyboard keys 失效
标题翻译：缓冲装置用于键盘键
公开(公告)号：US5290115A
公开(公告)日：1994-03-01
申请号：US583519
申请日：1990-09-17
申请人： Karen K. Little
发明人： Karen K. Little
IPC分类号： B41J5/12 , H01H13/84
CPC分类号： B41J5/12 , H01H13/84 , H01H2221/062 , H01H2221/084
摘要： A cushioning apparatus for reducing the impact felt by the fingertips of a typist using a keyboard. A conventional keyboard includes a plurality of keys, each corresponding to at least one character or number, and each having a hard keytop. According to the invention, a pad is attached or applied to each keytop, each pad being substantially softer than the associated hard keytop. Each pad has a flat top surface, with a legend thereon indicating the keytop to which it is attached. Each pad also has a flat bottom surface, with adhesive applied thereto, and a single sheet of release paper removably applied to the adhesive for all the pads, the adhesive being provided for attaching the pad to the respective keytop, or to the top of another pad, to provide additional thickness of padding.
摘要翻译：一种用于减少使用键盘的打字员的指尖感觉到的冲击的缓冲装置。常规键盘包括多个键，每个键对应于至少一个字符或数字，并且每个键具有硬键顶。根据本发明，垫被附接或应用于每个键顶，每个垫基本上比相关联的硬键顶更软。每个垫具有平坦的顶表面，其上有一个图例，表示其所附着的键顶。每个垫片还具有平坦的底部表面，其上粘贴有粘合剂，以及一张释放纸，其可移除地施加到用于所有垫的粘合剂上，该粘合剂被设置用于将垫附着到相应的键顶上，或者将其粘贴到另一个顶部垫，以提供额外的填充厚度。

27. 发明授权

US5193924A Cap cover for keyboard keys 失效
标题翻译：键盘盖帽盖
公开(公告)号：US5193924A
公开(公告)日：1993-03-16
申请号：US742371
申请日：1991-08-08
申请人： Carlyn F. Larson
发明人： Carlyn F. Larson
IPC分类号： B41J5/12
CPC分类号： B41J5/12 , H01H2217/022 , H01H2223/003
摘要： The invention is a cap cover for keyboard keys comprising a generally rectangular in the horizontal plane hollow box with a closed end and an open end, said open end being adapted to rest on a base plate or a grid plate of a keyboard, and said hollow box being adapted to receive keys or sets of keys through its open end.
摘要翻译：本发明是一种用于键盘键的盖帽，包括在具有封闭端和开口端的水平平面中空盒中的大致矩形的，所述开口端适于搁置在键盘的基板或格栅板上，盒适于通过其开放端接收钥匙或钥匙组。

28. 发明授权

US5172990A Structures of push - button key of keyboard 失效
标题翻译：键盘按键的结构
公开(公告)号：US5172990A
公开(公告)日：1992-12-22
申请号：US704954
申请日：1991-05-23
申请人： Phil Weng
发明人： Phil Weng
IPC分类号： B41J5/12 , H01H13/705
CPC分类号： B41J5/12 , H01H13/705 , H01H2221/026 , H01H2233/036
摘要： The improved structures of the push-button key of keyboard are characterized in that the upper housing panel of keyboard comprises a plurality of partitioned sections where the push-button keys are installed, and that a key barrel of a predetermined height is set up at the center of each of the partitioned sections. The barrel wall comprises two slide keys positioned correspondingly to two slide key seats of the push-button key. The hooking means are arranged in the partitioned section at a predetermined distance from the key barrel. The stability of up-and-down movement of the push-button key is ensured by virtue of a coordinated action of slide key and slide key seats. The hooking means serve to confine the movement of the push-button key and to prevent the push-button key from being detached easily. The push-button key is further improved structurally in such manners that the face plate and the bottom portion of the key are of different colors and that the face plate comprises holes of various shapes conforming to the shapes of the designated letters or the Arabic numerals. Therefore, the letters, words, or Arabic numerals appeared on the surfaces of the keys do not become obscure after a prolonged usage thereof.
摘要翻译：键盘按钮键的改进结构的特征在于，键盘的上壳体包括多个分隔部分，其中按钮按键被安装，并且预定高度的钥匙筒在每个分区的中心。桶壁包括相应于按钮键的两个滑动键座的两个滑动键。挂钩装置以与钥匙筒相距预定距离的方式布置在分隔部分中。通过滑动键和滑动键座的协调动作，可以确保按钮键的上下移动的稳定性。钩挂装置用于限制按钮键的移动，并且防止按钮键容易地分离。按键按键的结构进一步改善，使得面板和键的底部具有不同的颜色，并且面板包括符合指定字母或阿拉伯数字形状的各种形状的孔。因此，在键的表面上出现的字母，单词或阿拉伯数字在长时间使用之后不会变得模糊。

29. 发明授权

US4830526A Keyboard switch 失效
标题翻译：键盘开关
公开(公告)号：US4830526A
公开(公告)日：1989-05-16
申请号：US188654
申请日：1988-04-29
申请人： Kunio Hosono
发明人： Kunio Hosono
IPC分类号： H01H13/04 , B41J5/12 , H01H3/12 , H01H13/02
CPC分类号： B41J5/12 , H01H3/122
摘要： A keyboard switch comprising a plurality of switch bodies arranged on an attachment plate, a key top, sufficiently larger than the switch body, attached to at least one switch body, a cut-away portion or opening formed in the attachment plate between the key top and a base plate, and circuit parts located in a space which is formed by the cut-away portion or opening, the underside of the key top and the base plate, so that switches and circuit parts can be arranged to efficiently use the space on the base plate.
摘要翻译：一种键盘开关，包括布置在附接板上的多个开关体，与顶部相比足够大的键开关，安装在至少一个开关体上，形成在键顶部之间的连接板上的切口部分或开口和基板，以及位于由切割部分或开口，键顶和底板的下侧形成的空间中的电路部件，使得开关和电路部件可以布置成有效地使用空间基板。

30. 发明授权

US4762436A Bio-mechanical neuro-sensory keyboard structure and operating methods 失效
标题翻译：生物机械神经感官键盘结构及操作方法
公开(公告)号：US4762436A
公开(公告)日：1988-08-09
申请号：US886635
申请日：1986-07-16
申请人： Barbara D. Herzog , Stuart Herzog
发明人： Barbara D. Herzog , Stuart Herzog
IPC分类号： B41J5/12
CPC分类号： B41J5/12 , H01H2009/189 , H01H2217/044
摘要： The keys operated by the Middle Fingers in the Second Nearest Row and the Fourth Nearest Row of the Alpha-Numeric Core, i.e. QWERTY D K 3 and 8, and the center key on the Number Pad are provided with hand positioning structures.Hand positioning with the Middle Fingers is based on the anatomical structure and bio-mechanical functioning of the arms, wrists, hands and fingers, and the hand positioning structures function by the neuro-sensory process of 2-point discrimination.With minimal practice, use of the hand positioning structures quickly functions at a subconscious reflex level.The hand positioning structures enable the operator to maintain visual focus and concentration on the text or display screen, and thereby eliminates unnecessary eye movement and text-reading errors due to eye movement.The structures and methods enable eliminating Home Row, and thereby eliminates awkward movements and contortions and eliminates the errors resulting from awkward movements and contortions.The structures and methods enable doing numbers with the hands positioned on the Number Row, rather than from Home Row, which also eliminates awkward movements and contortions, and improves speed, accuracy and efficiency in doing numbers.The hand positioning structures provide bio-mechanical balance and symmetry for the fingers and hands; improves keyboard operation by increasing operating speed, accuracy, efficiency, mobility, flexibility, fluidity of movement, and productivity; reduces operator mental, emotional, visual, and neuro-muscular stress and fatigue; and facilitates learning how to operate a keyboard. The cost of the structure is nominal; no employee retraining expense is required.
摘要翻译：在第二最近行和第四最近行的数字核心（即QWERTY D K 3和8）和数字键盘上的中心键操作的键被提供有手定位结构。手指的手定位是基于手臂，手腕，手指和手指的解剖结构和生物机械功能，手定位结构通过2点辨别的神经感觉过程起作用。通过极少的练习，手部定位结构的使用在潜意识反射水平上快速起作用。手定位结构使得操作者能够在文本或显示屏幕上保持视觉聚焦和集中，从而消除由于眼睛运动引起的不必要的眼睛运动和文本读取错误。结构和方法可以消除主排，从而消除尴尬的动作和扭曲，并消除由于尴尬的动作和扭曲造成的错误。结构和方法可以使手位于数字行上而不是主排，从而消除尴尬的动作和扭曲，并提高数字的速度，准确性和效率。手定位结构为手指和手提供生物机械平衡和对称性; 通过提高操作速度，精度，效率，移动性，灵活性，运动流动性和生产力来改善键盘操作; 减轻运动员的精神，情绪，视觉和神经肌肉压力和疲劳; 并且有助于学习如何操作键盘。结构的成本是名义上的; 不需要雇员再培训费用。

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