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    • 1. 发明申请
    • PROJECTION APPARATUS AND METHOD FOR ACTIVATING A PROJECTION APPARATUS
    • 投影装置和投影装置的投影方法
    • US20090033883A1
    • 2009-02-05
    • US12105509
    • 2008-04-18
    • Chung-Chin LeeMing-Che WuChi-Hsun HuangChien-Chiu Hsueh
    • Chung-Chin LeeMing-Che WuChi-Hsun HuangChien-Chiu Hsueh
    • G03B21/14
    • G03B21/206H04N9/3114H04N9/3155
    • A projection apparatus includes an illuminating unit, an imaging unit, a lens unit, and a control unit. The illuminating unit includes a light source, and a light source driving module operable to drive the light source to provide an illumination beam. The imaging unit is operable so as to modulate the illumination beam into an image beam. The lens unit is disposed on an optical path of the image beam for projecting the image beam. The control unit is coupled electrically to the illuminating unit and the imaging unit. The control unit is configured to execute an activating thread for initializing the imaging unit after controlling initial driving of the light source by the light source driving module, and a monitoring thread for monitoring the light source driving module for a success signal that indicates successful provision of the illumination beam by the light source.
    • 投影设备包括照明单元,成像单元,透镜单元和控制单元。 照明单元包括光源,以及可操作以驱动光源以提供照明光束的光源驱动模块。 成像单元可操作以将照明光束调制成图像束。 透镜单元设置在用于投影图像束的图像束的光路上。 控制单元电耦合到照明单元和成像单元。 控制单元被配置为在由光源驱动模块控制光源的初始驱动之后执行用于初始化成像单元的激活线程,以及用于监视成功信号的光源驱动模块的监视线程,该成功信号指示成功提供 光源照明光束。
    • 2. 发明申请
    • LASER SCANNING DEVICE AND CONTROL METHOD THEREOF
    • 激光扫描装置及其控制方法
    • US20140333979A1
    • 2014-11-13
    • US14259122
    • 2014-04-22
    • Chi-Hsun HuangLei-Chih ChangChung-Lung YangMing-Te Lin
    • Chi-Hsun HuangLei-Chih ChangChung-Lung YangMing-Te Lin
    • G02B26/10
    • G02B26/105
    • A laser scanning device and a control method thereof are provided. The method includes: providing a control signal to an oscillating reflective mirror of the device; setting a frequency of the control signal gradually decreased from a maximal-setting-value of a resonant frequency of the mirror; judging whether a light detector receives a laser light reflected by the mirror according to an edge signal of the detector; judging whether a pulse width of the edge signal is equal to a predetermined pulse width when the detector receives the laser light: (1) increasing the frequency of the control signal when the pulse width of the edge signal is greater than the predetermined pulse width, (2) decreasing the frequency of the control signal when the pulse width of the edge signal is less than the predetermined pulse width. The time and labor for measuring the scanning frequency of the mirror may be saved.
    • 提供了一种激光扫描装置及其控制方法。 该方法包括:向设备的振荡反射镜提供控制信号; 将所述控制信号的频率从所述反射镜的共振频率的最大设定值逐渐减小; 判断光检测器是否根据检测器的边缘信号接收由反射镜反射的激光; 当检测器接收到激光时,判断边缘信号的脉冲宽度是否等于预定脉冲宽度:(1)当边缘信号的脉冲宽度大于预定脉冲宽度时增加控制信号的频率, (2)当边缘信号的脉冲宽度小于预定脉冲宽度时,降低控制信号的频率。 可以节省测量镜子扫描频率的时间和人力。
    • 3. 发明授权
    • Projection apparatus and method for activating a projection apparatus
    • 用于激活投影装置的投影装置和方法
    • US07851739B2
    • 2010-12-14
    • US12105509
    • 2008-04-18
    • Chung-Chin LeeMing-Che WuChi-Hsun HuangChien-Chiu Hsueh
    • Chung-Chin LeeMing-Che WuChi-Hsun HuangChien-Chiu Hsueh
    • H01L27/00
    • G03B21/206H04N9/3114H04N9/3155
    • A projection apparatus includes an illuminating unit, an imaging unit, a lens unit, and a control unit. The illuminating unit includes a light source, and a light source driving module operable to drive the light source to provide an illumination beam. The imaging unit is operable so as to modulate the illumination beam into an image beam. The lens unit is disposed on an optical path of the image beam for projecting the image beam. The control unit is coupled electrically to the illuminating unit and the imaging unit. The control unit is configured to execute an activating thread for initializing the imaging unit after controlling initial driving of the light source by the light source driving module, and a monitoring thread for monitoring the light source driving module for a success signal that indicates successful provision of the illumination beam by the light source.
    • 投影装置包括照明单元,成像单元,透镜单元和控制单元。 照明单元包括光源,以及可操作以驱动光源以提供照明光束的光源驱动模块。 成像单元可操作以将照明光束调制成图像束。 透镜单元设置在用于投影图像束的图像束的光路上。 控制单元电耦合到照明单元和成像单元。 控制单元被配置为在由光源驱动模块控制光源的初始驱动之后执行用于初始化成像单元的激活线程,以及用于监视成功信号的光源驱动模块的监视线程,该成功信号指示成功提供 光源照明光束。