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    • 1. 发明申请
    • OPTICAL NAVIGATION DEVICE THAT UTILIZES A VERTICAL CAVITY SURFACE EMITTING LASER (VCSEL) CONFIGURED TO EMIT VISIBLE COHERENT LIGHT
    • 光学导航装置,利用配置为发射可见光的垂直孔表面激光(VCSEL)
    • US20080142691A1
    • 2008-06-19
    • US11612610
    • 2006-12-19
    • Kwang Beng OoiLi Chong TaiShan Chong Tan
    • Kwang Beng OoiLi Chong TaiShan Chong Tan
    • G06M7/00
    • G06F3/0317
    • An optical navigation device includes a housing, a light source, a navigation sensor, and optics. In accordance with the invention, the light source is a vertical cavity surface emitting laser (VCSEL) that is configured to generate coherent light in the visible light spectrum. For example, the VCSEL generates red coherent light in the range of 600-700 nm. In an embodiment, the VCSEL generates red coherent light at 665 nm±20 nm. Because the light generated by the VCSEL is in the visible light spectrum, a human will sense contact with the corresponding beam and will naturally react to avoid injury. This enhances the overall safety of an optical mouse. Additionally, when using a VCSEL that generates visible red light, it is easy to visually determine whether or not the beam is focused directly on a measurement sensor during calibration.
    • 光学导航装置包括壳体,光源,导航传感器和光学器件。 根据本发明,光源是被配置为在可见光光谱中产生相干光的垂直腔面发射激光器(VCSEL)。 例如,VCSEL产生在600-700nm范围内的红色相干光。 在一个实施例中,VCSEL产生665nm±20nm的红色相干光。 由于VCSEL产生的光线在可见光光谱范围内,所以人类将感测到与相应光束的接触,并且会自然发生反应以避免受伤。 这增强了光学鼠标的整体安全性。 另外,当使用产生可见红光的VCSEL时,很容易在校准期间直观地确定光束是否直接聚焦在测量传感器上。
    • 2. 发明授权
    • Optical navigation device that utilizes a vertical cavity surface emitting laser (VCSEL) configured to emit visible coherent light
    • 利用配置成发射可见相干光的垂直腔表面发射激光器(VCSEL)的光学导航装置
    • US07514668B2
    • 2009-04-07
    • US11612610
    • 2006-12-19
    • Kwang Beng OoiLi Chong TaiShan Chong Tan
    • Kwang Beng OoiLi Chong TaiShan Chong Tan
    • G09G5/08
    • G06F3/0317
    • An optical navigation device includes a housing, a light source, a navigation sensor, and optics. In accordance with the invention, the light source is a vertical cavity surface emitting laser (VCSEL) that is configured to generate coherent light in the visible light spectrum. For example, the VCSEL generates red coherent light in the range of 600-700 nm. In an embodiment, the VCSEL generates red coherent light at 665 nm±20 nm. Because the light generated by the VCSEL is in the visible light spectrum, a human will sense contact with the corresponding beam and will naturally react to avoid injury. This enhances the overall safety of an optical mouse. Additionally, when using a VCSEL that generates visible red light, it is easy to visually determine whether or not the beam is focused directly on a measurement sensor during calibration.
    • 光学导航装置包括壳体,光源,导航传感器和光学器件。 根据本发明,光源是被配置为在可见光光谱中产生相干光的垂直腔面发射激光器(VCSEL)。 例如,VCSEL产生在600-700nm范围内的红色相干光。 在一个实施例中,VCSEL产生665nm±20nm的红色相干光。 由于VCSEL产生的光线在可见光光谱范围内,所以人类将感测到与相应光束的接触,并且会自然发生反应以避免受伤。 这增强了光学鼠标的整体安全性。 另外,当使用产生可见红光的VCSEL时,很容易在校准期间直观地确定光束是否直接聚焦在测量传感器上。