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1. 发明授权

US4493957A Multimodal pressure switch 失效
标题翻译：多模式压力开关
公开(公告)号：US4493957A
公开(公告)日：1985-01-15
申请号：US474702
申请日：1983-03-11
申请人： Wayde H. Watters
发明人： Wayde H. Watters
IPC分类号： H01H35/26 , H01H35/24 , H01H3/32
CPC分类号： H01H35/2664
摘要： The conical tip of a load applying member (42) acts against one side (136) of a movable plate (120). A spring (84) urges the conical tip of a biasing member (88) against the other side (138). In response to a relatively small movement of member (42) against plate (120), plate (120) pivots about a first axis a.sub.1 to depress the operator (102) of a first snap-action switch (98). In response to a relatively large movement of member (42), plate (120) pivots away from contact with operator (102), first about auxiliary axis a.sub.4 and then about third axis a.sub.3. In response to an intermediate movement, plate (120) pivots to depress the operator (103) of a second snap-action switch (99), first about second axis a.sub.2 and then about auxiliary axis a.sub.4. Axis a.sub.4 is defined by first and second fulcrums (71, 134). Axis a.sub.2 is defined by second fulcrum (134 ) and operator (102); axis a.sub.3 is defined by first fulcrum (71) and operator (103). Axis a.sub.1 is defined by the line along which edge (A) of plate (120) contacts insert (22) from which the tip of member (42) projects. A single variable pressure signal causes each such movement of member (42).
摘要翻译：负载施加构件（42）的锥形尖端作用在可移动板（120）的一侧（136）上。弹簧（84）将偏置构件（88）的锥形顶端推压到另一侧（138）。响应于构件（42）相对于板（120）的相对较小的移动，板（120）围绕第一轴线a1枢转以按压第一快动开关（98）的操作器（102）。响应于构件（42）的相对较大的移动，板（120）远离与操作者（102）的接触枢转，首先绕辅助轴线a4然后绕第三轴线a3枢转。响应于中间运动，板（120）枢转以按压第二快动开关（99）的操作器（103），首先围绕第二轴线a2然后绕辅助轴线a4。轴a4由第一和第二支点（71,134）限定。轴a2由第二支点（134）和操作者（102）限定; 轴线a3由第一支点（71）和操作器（103）限定。轴a1由板（120）的边缘（A）接触插入件（22）的线限定，构件（42）的尖端从该线伸出。单个可变压力信号导致构件（42）的每个这样的运动。

2. 发明授权

US5539422A Head mounted display system 失效
标题翻译：头戴显示系统
公开(公告)号：US5539422A
公开(公告)日：1996-07-23
申请号：US45919
申请日：1993-04-12
申请人： Gregory L. Heacock , Kyle S. Johnston , Tomas E. Lock , Wayde H. Watters
发明人： Gregory L. Heacock , Kyle S. Johnston , Tomas E. Lock , Wayde H. Watters
IPC分类号： G02B27/02 , G02B5/04 , G02B5/10 , G02B27/00 , G02B27/01 , G09F9/00 , G09G3/00 , G09G3/20 , H04N5/64 , G09G3/02
CPC分类号： G02B27/0172 , G02B27/0176 , G02B2027/011 , G02B2027/0116 , G02B2027/0143 , G02B2027/0154 , G02B2027/0158 , G02B2027/0159 , G02B2027/0178 , G02B27/017 , G02B5/04 , G02B5/10
摘要： A head mounted display system is shown having a single optical element. The single optical element has three optical surfaces. An entrance surface receives a video image directly from a display. A reflective surface reflects the video image from the entrance surface to an exit surface wherein the user views the video image directly through the exit surface. The three optical surfaces are shaped to generate a virtual image that is magnified, appears at a distance from the user and substantially free from distortion, astigmatism and chromatic aberrations. The optical element is adjustably mounted on a frame of the head up display system to accommodate users with different interpupillary distances and to vary the apparent distance between the user and virtual image.
摘要翻译：显示具有单个光学元件的头戴显示系统。单个光学元件具有三个光学表面。入口表面直接从显示器接收视频图像。反射表面将视频图像从入射面反射到出射表面，其中用户直接通过出射表面观看视频图像。三个光学表面被成形为产生放大的虚拟图像，出现在距离用户一定距离处并且基本上没有失真，像散和色差。光学元件可调节地安装在抬头显示系统的框架上，以适应不同瞳距的用户，并改变用户与虚像之间的视距。

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