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公开(公告)号：US07832875B2
公开(公告)日：2010-11-16
申请号：US11536454
申请日：2006-09-28
IPC分类号： G03B21/20
CPC分类号： G03B21/145
摘要： A laser projector including a green diode pumped microchip laser module projecting a green laser beam, an optical sensor receiving the laser beam, a power control circuit for the green diode pumped microchip laser module receiving a signal from the optical sensor relative to the power output of the laser beam, and control electronics receiving the signal from the optical sensor connected to the power control circuit modulating the power output of the green diode pumped microchip laser module to maintain a substantially constant power output from the green diode pumped microchip laser module.
摘要翻译： 一种激光投影仪，包括投影绿色激光束的绿色二极管泵浦微芯片激光模块，接收激光束的光学传感器，用于绿色二极管泵浦微芯片激光模块的功率控制电路，其接收来自光学传感器的信号相对于 激光束和控制电子装置接收连接到功率控制电路的光学传感器的信号，该功率控制电路调制绿色二极管泵浦的微芯片激光器模块的功率输出，以维持来自绿色二极管泵浦的微芯片激光器模块的基本恒定的功率输出。
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公开(公告)号：US20080239297A1
公开(公告)日：2008-10-02
申请号：US11424570
申请日：2006-06-16
摘要： A multiple laser head projector includes a sensor that senses the presence or absence of a laser beam from a first of the laser heads and signals a switching device to switch to a second laser head when a laser beam is not detected by the sensor from the first laser head. Thus, the multiple laser head projector may be utilized to provide continuous operation of the multiple head laser projector when one of the lasers fails. The multiple head laser projector may also be utilized for diagnostic testing of the laser heads, such as during start-up. Further, the multiple head laser projector may be utilized to signal the power output of the laser heads and thus the expected remaining life of the laser heads.
摘要翻译： 多激光头投影仪包括传感器，其感测来自第一激光头的激光束的存在或不存在，并且当激光束未被传感器从第一激光头检测到时，信号切换装置切换到第二激光头 激光头。 因此，当激光器之一失效时，多激光头投影仪可用于提供多头激光投影仪的连续操作。 多头激光投影仪也可用于激光头的诊断测试，例如在启动期间。 此外，多头激光投影仪可以用于发信号通知激光头的功率输出，从而使激光头的预期剩余寿命。
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公开(公告)号：US20070070297A1
公开(公告)日：2007-03-29
申请号：US11536454
申请日：2006-09-28
CPC分类号： G03B21/145
摘要： A laser projector including a green diode pumped microchip laser module projecting a green laser beam, an optical sensor receiving the laser beam, a power control circuit for the green diode pumped microchip laser module receiving a signal from the optical sensor relative to the power output of the laser beam, and control electronics receiving the signal from the optical sensor connected to the power control circuit modulating the power output of the green diode pumped microchip laser module to maintain a substantially constant power output from the green diode pumped microchip laser module.
摘要翻译： 一种激光投影仪，包括投影绿色激光束的绿色二极管泵浦微芯片激光模块，接收激光束的光学传感器，用于绿色二极管泵浦微芯片激光模块的功率控制电路，其接收来自光学传感器的信号相对于 激光束和控制电子装置接收连接到功率控制电路的光学传感器的信号，该功率控制电路调制绿色二极管泵浦的微芯片激光器模块的功率输出，以维持来自绿色二极管泵浦的微芯片激光器模块的基本恒定的功率输出。
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4.发明申请METHOD AND APPARATUS FOR PROTECTING PERSONNEL USING LASER PROJECTION SYSTEMS 审中-公开使用激光投射系统保护人员的方法和装置公开(公告)号：US20070001111A1
公开(公告)日：2007-01-04
申请号：US11379337
申请日：2006-04-19
IPC分类号： H01J3/14
摘要： A laser projection system having personnel protection utilizes a proximity detector system to detect any approach by an operator or other personnel within a predetermined protection zone. If an approach by personnel is detected within a predetermined zone, the laser output is either interrupted or reduced to a safe level, e.g., such as less than 5 mW, or to a level defined as safe for the detected approach distance. Alternatively, the proximity detector system can also utilize an array of highly directional proximity detectors, infrared detectors, and/or incorporation of a detection mechanism onto the laser projection system frame itself. An electronic circuit directly modifies the output power of the laser projector to an approved level based on feedback of the speed of the scanned beam and the detected closest approach distance.
摘要翻译： 具有人身保护的激光投影系统利用接近检测器系统检测操作者或预定保护区内的其他人员的任何方法。 如果在预定区域内检测到人员的接近，则激光输出被中断或降低到安全水平，例如小于5mW，或者被限定为对于检测到的接近距离而言是安全的。 或者，接近检测器系统还可以利用高度定向的接近检测器阵列，红外检测器和/或将检测机构结合到激光投影系统框架本身上。 电子电路基于扫描光束的速度和检测到的最近的接近距离的反馈，直接将激光投影仪的输出功率修改为已批准的水平。
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