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    • 42. 发明申请
    • Hybrid Electric Lawnmower
    • 混合电动割草机
    • US20080098703A1
    • 2008-05-01
    • US11670932
    • 2007-02-02
    • Delbert E. LucasJustin LucasRyan Jay Lucas
    • Delbert E. LucasJustin LucasRyan Jay Lucas
    • A01D69/00
    • A01D69/025
    • A hybrid electric lawnmower is described which includes a first and a second electric motor operating blades and the ability to drive the motors from either 120 VAC line voltage or from a battery pack. There is a user selectable power selection switch for switching between DC or AC power and also a boost and conserve feature which allows for increased speed of the blade as necessary. Running the mower at the conserve setting prolongs battery pack duration per charge. Power supply and control systems allow the user to select operation of the motors in either series or parallel configuration depending on the power source.
    • 描述了一种混合电动割草机,其包括第一和第二电动机操作叶片以及从120VAC线路电压或电池组驱动电动机的能力。 有一个用户可选择的电源选择开关用于在直流或交流电源之间切换,还有一个升压和保存功能,可以根据需要提高刀片速度。 在保存设置下运行割草机会延长每次充电的电池组持续时间。 电源和控制系统允许用户根据电源选择串联或并联配置的电机运行。
    • 44. 发明申请
    • Motion sensing lighting fixture
    • 运动感应照明灯具
    • US20070177384A1
    • 2007-08-02
    • US11345831
    • 2006-02-02
    • Gregory SibalichChik Kin Wing Ricky
    • Gregory SibalichChik Kin Wing Ricky
    • F21V23/04
    • F21S8/088F21V23/0442F21W2131/10
    • The present invention relates to a lighting fixture housing a motion sensor. More specifically, the invention relates to a lighting fixture and motion sensor completely integrated with a support post or a pedestal. The lighting fixture houses a motion sensor with greater than 180-degree motion sensing capabilities. In accordance with one embodiment of the present invention, the fixture comprises an internal assembly and a protective assembly. The protective assembly comprises an enclosure covering a housing structure. The internal assembly is situated completely within the protective assembly. The one or more lens shields can be used to cover the housing windows through which infrared radiation passes to the internal assembly, and the lens shields may act as a filter that can be used to customize the field of view of the sensor by screening or blocking radiation coming from selected angles. The fixture can be completely integrated with either a post or pedestal in a manner that is aesthetically pleasing.
    • 本发明涉及一种容纳运动传感器的照明装置。 更具体地,本发明涉及一种完全与支撑柱或基座一体化的照明器具和运动传感器。 照明灯具装有一个具有大于180度运动感应功能的运动传感器。 根据本发明的一个实施例,固定装置包括内部组件和保护组件。 保护组件包括覆盖壳体结构的外壳。 内部组件完全位于保护组件内。 一个或多个透镜屏蔽可以用于覆盖红外辐射通过其传递到内部组件的壳体窗口,并且透镜屏蔽可以用作过滤器,其可以用于通过筛选或阻挡来定制传感器的视场 来自选定角度的辐射。 夹具可以以美观的方式与柱或底座完全集成。
    • 49. 发明授权
    • Photosensitive control with dynamic calibration
    • 动态校准光敏控制
    • US07148628B2
    • 2006-12-12
    • US10902759
    • 2004-07-30
    • Kim Irwin McCavitRoger Dennis CornettWilliam C. Raper
    • Kim Irwin McCavitRoger Dennis CornettWilliam C. Raper
    • H05B37/02
    • G01J1/32H05B37/0218Y02B20/46
    • A method and circuit arrangement dynamically calibrate a photosensitive control for a light source that includes a voltage divider circuit coupled to a resistive light detector and configured to output to a comparison circuit a variable voltage signal that varies with the resistance of the resistive light detector. To calibrate the photosensitive control, a variable impedance circuit in the voltage divider circuit is adjusted to null out any changes in voltage caused by feedback from the controlled light source. The amount of correction is proportional to the amount of light feedback. Based on the amount of correction needed, a new reference voltage is selected that will accurately detect the next dusk to dawn transition while the light feedback is present.
    • 一种方法和电路装置动态地校准光源的光敏控制器,该光源包括耦合到电阻光检测器的分压器电路,并被配置为向比较电路输出随电阻光检测器的电阻而变化的可变电压信号。 为了校准光敏控制,调节分压器电路中的可变阻抗电路以消除由受控光源的反馈引起的任何电压变化。 校正量与光反馈量成比例。 基于所需的校正量,选择新的参考电压,其将在存在光反馈时准确地检测下一个黄昏到黎明过渡。