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公开(公告)号:US20070091295A1
公开(公告)日:2007-04-26
申请号:US11249682
申请日:2005-10-14
申请人: Jun Xu , Tianpeng Zhao , Hai Ming , Jianping Xie , Deyong He , Liang Lv , Huaqiao Gui , Bo Yi , Lei Guo , Craig Ranta , Yuan Kong
发明人: Jun Xu , Tianpeng Zhao , Hai Ming , Jianping Xie , Deyong He , Liang Lv , Huaqiao Gui , Bo Yi , Lei Guo , Craig Ranta , Yuan Kong
IPC分类号: G01C3/08
CPC分类号: G01C3/08 , G01S7/491 , G01S7/4916 , G01S17/325 , H01S5/0028 , H01S5/06213 , H01S5/183
摘要: A laser range finder includes a laser and a photosensitive element. The laser projects a beam onto a target surface. A backscattered portion of the laser beam returns to the laser from the target surface and enters the laser emitting cavity. Variations in laser output power are detected by the photosensitive element, which provides a “beat” signal to a frequency detection circuit. The frequency detection circuit includes a difference frequency analog phase locked loop (DFAPLL) providing a purified form of the beat signal. The frequency of the purified beat signal is determined and used to calculate distance to the target surface.
摘要翻译: 激光测距仪包括激光和感光元件。 激光将光束投射到目标表面上。 激光束的反向散射部分从目标表面返回到激光器并进入激光发射腔。 激光输出功率的变化由感光元件检测,其向频率检测电路提供“拍频”信号。 频率检测电路包括提供拍频信号的净化形式的差频模拟锁相环(DFAPLL)。 确定纯化的搏动信号的频率并用于计算到目标表面的距离。
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公开(公告)号:US07283214B2
公开(公告)日:2007-10-16
申请号:US11249682
申请日:2005-10-14
申请人: Jun Xu , Tianpeng Zhao , Hai Ming , Jianping Xie , Deyong He , Liang Lv , Huaqiao Gui , Bo Yi , Lei Guo , Craig S. Ranta , Yuan Kong
发明人: Jun Xu , Tianpeng Zhao , Hai Ming , Jianping Xie , Deyong He , Liang Lv , Huaqiao Gui , Bo Yi , Lei Guo , Craig S. Ranta , Yuan Kong
IPC分类号: G01C3/08
CPC分类号: G01C3/08 , G01S7/491 , G01S7/4916 , G01S17/325 , H01S5/0028 , H01S5/06213 , H01S5/183
摘要: A laser range finder includes a laser and a photosensitive element. The laser projects a beam onto a target surface. A backscattered portion of the laser beam returns to the laser from the target surface and enters the laser emitting cavity. Variations in laser output power are detected by the photosensitive element, which provides a “beat” signal to a frequency detection circuit. The frequency detection circuit includes a difference frequency analog phase locked loop (DFAPLL) providing a purified form of the beat signal. The frequency of the purified beat signal is determined and used to calculate distance to the target surface.
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公开(公告)号:US20070103440A1
公开(公告)日:2007-05-10
申请号:US11268937
申请日:2005-11-08
申请人: Yuan Kong , Tianpeng Zhao , Hai Ming , Jianping Xie , Jun Xu , Deyong He , Huaqiao Gui , Liang Lv , Craig Ranta
发明人: Yuan Kong , Tianpeng Zhao , Hai Ming , Jianping Xie , Jun Xu , Deyong He , Huaqiao Gui , Liang Lv , Craig Ranta
IPC分类号: G09G5/08
CPC分类号: G06F3/0421
摘要: Optical tracking systems, method, and devices are described in which optical components detect light within a substantially planar region adjacent to a user device. Tracking logic may receive signals output by the optical components and determine coordinates associated with a movement of a pointing object through the substantially planar region. The tracking logic may then provide for translation of the coordinates into an action on a display, such as, for example, a movement of a cursor or other icon on the display.
摘要翻译: 光学跟踪系统,方法和装置被描述,其中光学部件检测与用户装置相邻的基本平坦的区域内的光。 跟踪逻辑可以接收由光学部件输出的信号,并且确定与通过基本平坦的区域的指向物体的运动相关联的坐标。 然后,跟踪逻辑可以提供将坐标转换为显示器上的动作,例如光标或其他图标在显示器上的移动。
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公开(公告)号:US07534988B2
公开(公告)日:2009-05-19
申请号:US11268937
申请日:2005-11-08
申请人: Yuan Kong , Tianpeng Zhao , Hai Ming , Jianping Xie , Jun Xu , Deyong He , Huaqiao Gui , Liang Lv , Craig S. Ranta
发明人: Yuan Kong , Tianpeng Zhao , Hai Ming , Jianping Xie , Jun Xu , Deyong He , Huaqiao Gui , Liang Lv , Craig S. Ranta
IPC分类号: G06F3/033
CPC分类号: G06F3/0421
摘要: Optical tracking systems, method, and devices are described in which optical components detect light within a substantially planar region adjacent to a user device. Tracking logic may receive signals output by the optical components and determine coordinates associated with a movement of a pointing object through the substantially planar region. The tracking logic may then provide for translation of the coordinates into an action on a display, such as, for example, a movement of a cursor or other icon on the display.
摘要翻译: 光学跟踪系统,方法和装置被描述,其中光学部件检测与用户装置相邻的基本平坦的区域内的光。 跟踪逻辑可以接收由光学部件输出的信号,并且确定与通过基本平坦的区域的指向物体的运动相关联的坐标。 然后,跟踪逻辑可以提供将坐标转换为显示器上的动作,例如光标或其他图标在显示器上的移动。
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公开(公告)号:US20090128495A1
公开(公告)日:2009-05-21
申请号:US11942739
申请日:2007-11-20
申请人: Yuan Kong , Jianping Xie , Hai Ming , Hongbo Wang , Huaqiao Gui , Tianpeng Zhao , Jun Xu
发明人: Yuan Kong , Jianping Xie , Hai Ming , Hongbo Wang , Huaqiao Gui , Tianpeng Zhao , Jun Xu
CPC分类号: G06F3/0202 , G02B6/0033 , G02B6/006 , G02B6/3536 , G02B6/3574 , G02B6/3594 , G06F3/042 , G06F2203/04109
摘要: An input device includes an optical waveguide, one or more light sources, one or more imaging sensors, and a translator. The optical waveguide has an input surface, a back surface substantially opposite the input surface, and a side surface therebetween. The input surface has a plurality of different input locations. The one or more light sources are positioned to introduce light into the optical waveguide. A distortion of each different input location of the input surface causes a portion of light within the optical waveguide to exit from the optical waveguide at a different escape location of the side surface. The one or more imaging sensors are positioned and aimed to detect an escape location of a portion of light exiting from the side surface. The translator determines an input location corresponding to the escape location for each detected escape location.
摘要翻译: 输入装置包括光波导,一个或多个光源,一个或多个成像传感器和转换器。 光波导具有输入表面,与输入表面基本相反的后表面以及它们之间的侧表面。 输入表面具有多个不同的输入位置。 一个或多个光源被定位成将光引入光波导中。 输入表面的每个不同输入位置的失真导致光波导中的一部分光在侧表面的不同逸出位置处从光波导离开。 一个或多个成像传感器被定位和瞄准以检测从侧面出射的一部分光的逸出位置。 翻译器确定对应于每个检测到的逃逸位置的逃生位置的输入位置。
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6.
公开(公告)号:US08730167B2
公开(公告)日:2014-05-20
申请号:US11770069
申请日:2007-06-28
申请人: Hai Ming , Wei Huang , Jianping Xie , Huaqiao Gui , Tianpeng Zhao , Jun Xu , Yuan Kong
发明人: Hai Ming , Wei Huang , Jianping Xie , Huaqiao Gui , Tianpeng Zhao , Jun Xu , Yuan Kong
CPC分类号: G06F3/03543 , G06F3/0317
摘要: A computer input device includes a light source assembly forming an incident light beam that strikes an area on a surface beneath the input device with large incident angle. A light sensing assembly in the input device is positioned to receive scattered light and includes a band-pass filter. A barrier is located directly above the area where the light beam is incident on the top surface to prevent light from traveling directly from the light source assembly to the light sensing assembly.
摘要翻译: 计算机输入装置包括形成入射光束的光源组件,其以大的入射角撞击输入装置下方的表面上的区域。 输入装置中的感光组件被定位成接收散射光并且包括带通滤光器。 屏障位于光束入射到顶面的区域的正上方,以防止光直接从光源组件传播到光感测组件。
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7.
公开(公告)号:US20090002347A1
公开(公告)日:2009-01-01
申请号:US11770069
申请日:2007-06-28
申请人: Hai Ming , Wei Huang , Jianping Xie , Huaqiao Gui , Tianpeng Zhao , Jun Xu , Yuan Kong
发明人: Hai Ming , Wei Huang , Jianping Xie , Huaqiao Gui , Tianpeng Zhao , Jun Xu , Yuan Kong
IPC分类号: G09G3/28
CPC分类号: G06F3/03543 , G06F3/0317
摘要: A computer input device includes a light source assembly forming an incident light beam that strikes an area on a surface beneath the input device with large incident angle. A light sensing assembly in the input device is positioned to receive scattered light and includes a band-pass filter. A barrier is located directly above the area where the light beam is incident on the top surface to prevent light from traveling directly from the light source assembly to the light sensing assembly.
摘要翻译: 计算机输入装置包括形成入射光束的光源组件,其以大的入射角撞击输入装置下方的表面上的区域。 输入装置中的感光组件被定位成接收散射光并且包括带通滤光器。 屏障位于光束入射到顶面的区域的正上方,以防止光直接从光源组件传播到光感测组件。
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