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    • 1. 发明授权
    • Two-level security lighting system
    • 两级安全照明系统
    • US5747937A
    • 1998-05-05
    • US739638
    • 1996-10-30
    • David L. WiesemannDaniel E. SchaafWai-Shing P. Ko
    • David L. WiesemannDaniel E. SchaafWai-Shing P. Ko
    • H05B37/02H05B41/42
    • H05B37/0227H05B41/42Y02B20/44
    • A security light has a quartz-halogen lamp, a photocell, a passive infrared sensor for detecting motion external to the security light, and a circuit which causes the quartz-halogen lamp to operate at about 50% of full brightness in the absence of detection of motion at night, to operate at 95% of full brightness for a predetermined time interval in response to detection of motion at night, and to be off while the photocell is detecting daylight. A switch allows the user to select a different mode of operation which is similar except that the lamp is kept off in the absence of detection of motion at night. A user-initiated override mode is also provided, which causes the lamp to continuously operate at 95% of full brightness until the photocell detects daylight or until the user disables the override mode.
    • 安全灯具有石英卤素灯,光电管,用于检测安全灯外部的运动的被动红外传感器,以及在不存在检测的情况下使石英卤素灯在全亮度的约50%下运行的电路 的运动,以响应于夜间运动的检测而在预定时间间隔内以全亮度的95%运行,并且在光电管正在检测日光时熄灭。 开关允许用户选择类似的不同的操作模式,除了在晚上没有检测到运动的情况下灯熄灭。 还提供用户启动的覆盖模式,这将使灯在95%的全亮度下持续运行,直到光电管元件检测到日光或直到用户禁用覆盖模式。
    • 2. 发明授权
    • Two-level security lighting system
    • 两级安全照明系统
    • US5598066A
    • 1997-01-28
    • US600823
    • 1996-02-13
    • David L. WiesemannDaniel E. SchaafWai-Shing P. Ko
    • David L. WiesemannDaniel E. SchaafWai-Shing P. Ko
    • H05B37/02H05B41/42
    • H05B41/42H05B37/0227Y02B20/44
    • A security light has a quartz-halogen lamp, a photocell, a passive infrared sensor for detecting motion external to the security light, and a circuit which causes the quartz-halogen lamp to operate at about 50% of full brightness in the absence of detection of motion at night, to operate at 95% of full brightness for a predetermined time interval in response to detection of motion at night, and to be off while the photocell is detecting daylight. A switch allows the user to select a different mode of operation which is similar except that the lamp is kept off in the absence of detection of motion at night. A user-initiated override mode is also provided, which causes the lamp to continuously operate at 95% of full brightness until the photocell detects daylight or until the user disables the override mode.
    • 安全灯具有石英卤素灯,光电管,用于检测安全灯外部的运动的被动红外传感器,以及在不存在检测的情况下使石英卤素灯在全亮度的约50%下运行的电路 的运动,以响应于夜间运动的检测而在预定时间间隔内以全亮度的95%运行,并且在光电管正在检测日光时熄灭。 开关允许用户选择类似的不同的操作模式,除了在晚上没有检测到运动的情况下灯熄灭。 还提供用户启动的覆盖模式,这将使灯在95%的全亮度下持续运行,直到光电管元件检测到日光或直到用户禁用覆盖模式。