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    • 24. 发明申请
    • Inverter circuit for lighting discharge lamps with reduced power consumption
    • 用于照明放电灯的逆变电路,功耗降低
    • US20050023990A1
    • 2005-02-03
    • US10891578
    • 2004-07-15
    • Shinichi Suzuki
    • Shinichi Suzuki
    • H05B41/24H02M1/088H05B41/282H05B41/285H05B41/392H05B41/16
    • H02M7/53871H02M1/088H02M2001/0006H02M2007/4815H05B41/2828H05B41/2855H05B41/3927Y02B70/1441
    • An inverter circuit for lighting discharge lamps with reduced power consumption is disclosed. The inverter circuit comprises: a transformer having a resonant circuit formed by a parasitic capacitance of a discharge lamp; an H-bridge circuit to drive a primary side of the transformer at a frequency which is less than a series resonant frequency of the resonant circuit, and at which phase difference in voltage and current at the primary side of the transformer falls within a predetermined range from its minimum; a logic circuit to produce, based on an output signal of an oscillating circuit, gate signals for driving the H-bridge circuit; and a step-up circuit to step up a DC supply voltage (Vcc) based on another output signal of the oscillating circuit, and to supply the logic circuit with the stepped up DC voltage as a supply voltage for producing the gate signals.
    • 公开了一种用于照明具有降低功耗的放电灯的逆变器电路。 逆变器电路包括:具有由放电灯的寄生电容形成的谐振电路的变压器; H桥电路,其以小于谐振电路的串联谐振频率的频率驱动变压器的初级侧,并且变压器初级侧的电压和电流的相位差落在预定范围内 从最低限度 基于振荡电路的输出信号产生用于驱动H桥电路的栅极信号的逻辑电路; 以及升压电路,用于基于所述振荡电路的另一个输出信号来升高直流电源电压(Vcc),并且将所述升压直流电压的逻辑电路提供为用于产生所述栅极信号的电源电压。
    • 28. 发明授权
    • Autofocusing apparatus of a sighting telescope
    • 瞄准望远镜的自动对焦装置
    • US06433858B1
    • 2002-08-13
    • US09417622
    • 1999-10-14
    • Shinichi Suzuki
    • Shinichi Suzuki
    • G01C300
    • G02B7/102G01C1/02G02B23/14
    • An autofocusing apparatus of a telescope for automatically focusing on an object viewed within a field of view of the telescope through a distance-measuring zone arranged in the field of view, includes: a multi-point distance measuring device which divides the distance-measuring zone into at least three distance-measuring zones to detect an object distance on each of the distance-measuring zones; a lens driver which drives a focusing lens group of the telescope along an optical axis thereof; and a controller which controls the lens driver wherein the focusing lens group is moved to perform an autofocusing operation in accordance with a result of the each object distance detected by the multi-point distance measuring zones. The controller compares the each object distance detected by the multi-point distance measuring device with each other. If the controller determines that two object distances respectively detected on two distance-measuring zones among the aforementioned at least three distance-measuring zones are substantially the same, the two distance-measuring zones being separate from each other by at least one distance-measuring zone positioned therebetween, and that an object distance detected on one of the at least one distance-measuring zone is substantially double the distance of each of the two object distances which are substantially the same, the controller determines that each of the two object distances is a valid object distance so that the autofocusing operation is performed in accordance with the valid object distance.
    • 一种望远镜的自动聚焦装置,用于通过设置在视场中的距离测量区域自动聚焦在望远镜视野内观察的物体上,包括:多点距离测量装置,其将距离测量区域 进入至少三个距离测量区域以检测每个距离测量区域上的物体距离; 透镜驱动器,其沿着其光轴驱动望远镜的聚焦透镜组; 以及控制器,其控制所述透镜驱动器,其中所述聚焦透镜组被移动以根据由所述多点距离测量区域检测到的每个物体距离的结果执行自动对焦操作。 控制器将由多点距离测量装置检测出的每个物体距离进行比较。 如果控制器确定在上述至少三个距离测量区域中的两个距离测量区域上分别检测到的两个物体距离基本相同,则两个距离测量区域彼此分开至少一个距离测量区域 并且在所述至少一个距离测量区域之一上检测到的物体距离基本上相同的两个物体距离中的每一个的距离大致是两倍,所述控制器确定两个物体距离中的每一个是 有效对象距离,使得根据有效对象距离执行自动对焦操作。
    • 30. 发明授权
    • Indicator for an optical instrument
    • 光学仪器的指示器
    • US06317199B1
    • 2001-11-13
    • US09083963
    • 1998-05-26
    • Shinichi Suzuki
    • Shinichi Suzuki
    • G01C308
    • G01C1/02G02B23/10
    • An indicator for an optical instrument including an observational optical system to observe an image formed by an objective optical system having a focusing lens group, comprising a lens position detecting device to detect a position of the focusing lens group, a distance detecting device to obtain an object distance according to a position of the focusing lens group detected by the lens position detecting device, and a display device to display an object distance detected by the distance detecting device.
    • 一种用于光学仪器的指示器,包括用于观察由具有聚焦透镜组的物镜光学系统形成的图像的观察光学系统,包括:透镜位置检测装置,用于检测聚焦透镜组的位置;距离检测装置, 根据由透镜位置检测装置检测的聚焦透镜组的位置的物体距离以及显示由距离检测装置检测到的物体距离的显示装置。