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    • 46. 发明授权
    • Image device and associated methodology of adjusting a flash exposure operation
    • 调整闪光曝光操作的图像设备和相关方法
    • US07589784B2
    • 2009-09-15
    • US10567578
    • 2005-06-08
    • Takuya ChibaKazato TanakaNaoki Hayashi
    • Takuya ChibaKazato TanakaNaoki Hayashi
    • H04N5/222H04N3/14H04N5/335G03B15/03
    • G03B15/05G03B2215/05H04N5/2354
    • An image pickup device and associated methodology are provided. The image pickup device is formed from a plurality of pixels, each of which can perform any of an exposure operation and a reading operation thereof at a timing different from that of the other, an imaging apparatus is provided, which can determine the amount of main-flashing light based on pre-flashing by a flash highly accurately. Before and during a preflash operation by a flash unit, an exposure operation is started simultaneously for all the pixels of the image pickup device 14 to form an image before and during the preflash to obtain a detected value by a detector before and during the preflash, respectively. A computation circuit computes a differential detected value obtained by subtracting the before-preflash detected value from the during-preflash detected value. The differential detected value is a detected value containing only pre-flashed light with ambient light excluded. An amount of light for main flashing is computed on the basis of the differential detected value.
    • 提供了图像拾取装置和相关联的方法。 图像拾取装置由多个像素形成,每个像素可以以与另一个不同的时间进行曝光操作和读取操作中的任何一个,提供成像装置,其可以确定主要的量 基于闪光灯预闪的高亮度闪光灯。 在闪光单元的预闪动操作之前和期间,对于图像拾取装置14的所有像素同时开始曝光操作,以在预闪光之前和期间形成图像,以在预闪光之前和期间通过检测器获得检测值, 分别。 计算电路计算通过从预闪光检测值减去前置预闪光检测值而获得的差分检测值。 差分检测值是仅包含预先闪烁的光的检测值,其中不包括环境光。 基于差分检测值计算用于主闪光的光量。
    • 47. 发明授权
    • Power source fault detection apparatus, program, and method
    • 电源故障检测装置,程序和方法
    • US07586723B2
    • 2009-09-08
    • US11420378
    • 2006-05-25
    • Fumio IchikawaNaoki Hayashi
    • Fumio IchikawaNaoki Hayashi
    • H02H3/20
    • G06F1/305
    • A fault detection apparatus of a power source provided with a central processing unit, a power source, a power receiver supplied with current from a power source, a unit periodically accessing the power receiver from the central processing unit so as to supply a periodic current periodically repeatedly turning on and off from the power source to the power receiver, and a unit judging the power source to be defective when the output voltage of the power source exceeds a predetermined threshold value and a method and program for the same. By this, it is possible to judge a power source to be defective when fluctuations in the output voltage of a power source due to the periodic supply of current to the power receiver (voltage load fluctuations) exceed a predetermined threshold value.
    • 电源的故障检测装置,具有中央处理单元,电源,从电源提供电流的电力接收器,从中央处理单元周期性地接入电力接收器的单元,周期性地提供周期性电流 反复打开和关闭电源到电源接收器,以及当电源的输出电压超过预定阈值时判断电源有缺陷的单元及其方法和程序。 由此,当由于向电力接收器的电流的周期性供给(电压负载波动)导致的电源的输出电压的波动超过预定的阈值时,可以判断电源是有缺陷的。