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    • 11. 发明授权
    • Camera system and flash photography system
    • 相机系统和闪光摄影系统
    • US06075947A
    • 2000-06-13
    • US280621
    • 1999-03-29
    • Tatsuyuki Tokunaga
    • Tatsuyuki Tokunaga
    • G03B7/16G03B15/03G03B15/05
    • G03B15/05G03B2215/0514
    • A camera system includes a plurality of flash devices for performing flash light emission toward an object during an exposure, a preliminary light emission control circuit for causing the plurality of flash devices to sequentially make preliminary light emission toward the object prior to the flash light emission to be performed by the plurality of flash devices during the exposure, a compression-type light measuring sensor for compressing a photoelectric current obtained by converting light from the object and for outputting the compressed photoelectric current as a voltage, and a light emission amount control circuit for controlling amounts of light emission of the plurality of flash devices during the exposure on the basis of light measurement outputs during the preliminary light emission obtained by the compression-type light measuring sensor by measuring reflected light from the object caused by the preliminary light emission control circuit.
    • 照相机系统包括:多个闪光装置,用于在曝光期间朝向物体执行闪光发射;初步发光控制电路,用于使所述多个闪光装置在闪光发射之前向物体顺序地进行初步发光; 在曝光期间由多个闪光装置执行压缩型光测量传感器,用于压缩通过转换来自物体的光而获得的光电流,并输出压缩的光电流作为电压;以及发光量控制电路, 基于由压缩型光测量传感器获得的初步发光期间的光测量输出,通过测量由初步发光控制电路引起的来自物体的反射光,控制多个闪光装置的发光量 。
    • 12. 发明授权
    • Line-of-sight detecting device and apparatus including the same
    • 视线检测装置及包括其的装置
    • US5671447A
    • 1997-09-23
    • US506549
    • 1995-07-25
    • Tatsuyuki Tokunaga
    • Tatsuyuki Tokunaga
    • G03B13/36A61B3/113G02B7/28G03B13/02G03B17/00
    • G03B13/02G03B2213/025
    • A line-of-sight detecting device includes an area sensor composed of a plurality of photoelectric conversion elements for receiving an image of an eyeball of a viewer. The area sensor is divided into block areas each having some of the plurality of photoelectric conversion elements, each block area outputs a value on the basis of the output of the photoelectric conversion elements constituting that block area. A particular block area satisfying predetermined conditions based on the output values of the block areas is selected from the plurality of block areas. Image processing is performed on those photoelectric conversion elements which are in a predetermined range based on the position of the particular block area to thereby detect the line of sight of the viewer, wherein the number of photoelectric conversion elements constituting each block area is changed in accordance with a predetermined situation.
    • 视线检测装置包括由用于接收观察者的眼球的图像的多个光电转换元件构成的区域传感器。 区域传感器被分成具有多个光电转换元件中的一些的块区域,每个块区域基于构成该块区域的光电转换元件的输出输出值。 从多个块区域中选择基于块区域的输出值满足预定条件的特定块区域。 基于特定块区域的位置在预定范围内对那些光电转换元件进行图像处理,从而检测观看者的视线,其中构成每个块区域的光电转换元件的数量根据 具有预定的情况。
    • 16. 发明申请
    • IMAGE CAPTURE APPARATUS AND CONTROL METHOD THEREOF
    • 图像捕获装置及其控制方法
    • US20070036531A1
    • 2007-02-15
    • US11462553
    • 2006-08-04
    • Tatsuyuki Tokunaga
    • Tatsuyuki Tokunaga
    • G03B7/00
    • G03B19/12G03B7/09971G03B7/09979G03B7/10G03B7/14G03B7/28G03B17/20G03B2215/0528
    • An image capture apparatus comprises a photometry unit, which performs photometry of luminance in each of the photometry areas in an image sensing screen, a photometry mode judgment unit, which judges a photometry mode, a filter operation unit, which performs an operation on a luminance value of a photometry area by taking into account luminance values of photometry areas around the photometry area, and an exposure value determination unit, which determines an exposure value without using a result of the operation by the filter operation unit when the photometry mode judgment unit judges that the photometry mode is a first photometry mode, and when the photometry mode judgment unit judges that the photometry mode is a second photometry mode, determines the exposure value by performing an operation in accordance with the second photometry mode after the operation performed by the filter operation unit.
    • 图像捕获装置包括:测光单元,其在图像感测屏幕中的每个测光区域中执行亮度的测光;光度测定模式判断单元,其判定测光模式;滤光器操作单元,其对亮度进行操作 考虑测光区域周围的测光区域的亮度值的测光区域的值,以及曝光值确定单元,当测光模式判断单元判断时,确定曝光值,而不使用滤光器操作单元的操作结果 测光模式是第一测光模式,并且当测光模式判断单元判断测光模式是第二测光模式时,通过在由滤光器执行的操作之后执行根据第二测光模式的操作来确定曝光值 操作单元
    • 17. 发明授权
    • Flash photography system
    • 闪光摄影系统
    • US06349175B1
    • 2002-02-19
    • US09072150
    • 1998-05-04
    • Tatsuyuki Tokunaga
    • Tatsuyuki Tokunaga
    • G03B1503
    • G03B15/05G03B2215/05
    • The present invention relates to a flash photography system of the type which controls the amount of light emission of a main light emission on the basis of a measured-light value obtained when a preliminary light emission is performed. The present invention provides the aforesaid type of flash photography system in which multiple divided light measuring means is made to perform light measurement during the preliminary light emission, and weighting of a measured-light value relative to a predetermined area in the multiple divided light measuring means and weighting of a measured-light value relative to another area in the multiple divided light measuring means are made to differ from each other according to a size occupied by a subject in the image plane so that the amount of light emission is correctly controlled.
    • 本发明涉及一种基于在进行初步发光时获得的测量光值来控制主发光量的类型的闪光摄影系统。 本发明提供了上述类型的闪光摄影系统,其中使多个分光测量装置在预发光期间进行光测量,并且在多分光测量装置中对相对于预定区域的测量光值进行加权 使得相对于多重分光测量装置中的另一区域的测量光值的加权根据被摄体在像平面中占据的尺寸彼此不同,从而正确地控制发光量。
    • 19. 发明授权
    • Ink jet recording apparatus utilizing means for supplying a plurality of
signals to an electromechanical conversion element
    • 喷墨记录装置利用将多个信号提供给机电转换元件的装置
    • US5204695A
    • 1993-04-20
    • US733013
    • 1991-07-19
    • Tatsuyuki TokunagaJiro MoriyamaMakoto AokiIkumasa Ikeda
    • Tatsuyuki TokunagaJiro MoriyamaMakoto AokiIkumasa Ikeda
    • B41J2/175B41J2/045B41J2/055B41J2/07B41J2/12
    • B41J2/04553B41J2/04581B41J2/04588B41J2/0459B41J2/04591B41J2/04596B41J2/072
    • An ink jet recording apparatus includes a recording head having a liquid path and a discharge part for discharging ink therethrough, an electromechanical conversion element and a control device. The electromechanical conversion element is correspondingly provided on the liquid path for effecting ink discharge. The control device controls the element by performing a first step of applying a pre-electrical signal to the element, a second step performed after the first step, of applying a main electrical signal, and a third step of applying a subsequent electrical signal to the element before the voltage of the main electrical signal reaches zero. The pre-electrical signal is applied to the element in a direction opposite that which will discharge ink. The second step applies the main electrical signal to the element in the direction of ink discharge for discharging ink in accordance with a recording signal. The third step, performed after ink is discharged by the second step, applies a sub-electrical signal to the element in the direction of ink discharge to prevent meniscus retraction. The sub-electrical signal smoothly changes and quickly attenuates vibration of meniscus caused by drive of the element by the main electrical signal.
    • 一种喷墨记录装置,包括具有液体通道的记录头和用于排出油墨的排出部分,机电转换元件和控制装置。 机电转换元件相应地设置在液体路径上以实现油墨排出。 控制装置通过执行向元件施加预电信号的第一步骤,在第一步骤之后执行的施加主电信号的第二步骤以及将后续电信号施加到第一步骤来控制元件 在主电信号的电压达到零之前。 预电信号以与将喷出墨水相反的方向施加到元件。 第二步骤根据记录信号将主电信号施加到排墨方向上的元件上。 通过第二步骤排出墨水之后进行的第三步骤,在墨水排出方向上向元件施加副电信号,以防止弯液面缩回。 副电信号平滑地变化,并且通过主电信号快速衰减由元件的驱动引起的弯月面的振动。
    • 20. 发明授权
    • Display apparatus
    • 显示装置
    • US07868544B2
    • 2011-01-11
    • US12424656
    • 2009-04-16
    • Ryuichiro IsobeHideo MoriOsamu YuukiTatsuyuki TokunagaHidemasa Mizutani
    • Ryuichiro IsobeHideo MoriOsamu YuukiTatsuyuki TokunagaHidemasa Mizutani
    • H01J1/62
    • H01L51/5281H01L51/524H01L51/5253
    • Provided is a display apparatus capable of reducing external light reflection to reduce an amount of glare of the outside, in which a translucent protection member is provided to cover an observation surface side of a display member including an organic EL light-emitting portion, in order to protect the display member. The display apparatus includes the display member with an organic EL light-emitting portion having a pair of electrodes and an organic compound layer provided between the pair of electrodes; and a casing for housing the display member, wherein a protection member is provided in the casing with a gap from the display member, and wherein a phase member and a polarizing member are formed on the protection member such that the polarizing member is located closer to a light extraction side than the phase member.
    • 提供了一种能够减少外部光反射以减少外部的眩光量的显示装置,其中设置半透明保护构件以按顺序覆盖包括有机EL发光部分的显示构件的观察表面侧 以保护显示器。 显示装置包括具有有机EL发光部分的显示部件,所述有机EL发光部分具有一对电极和设置在该对电极之间的有机化合物层; 以及用于容纳所述显示部件的壳体,其特征在于,在所述壳体内设置有与所述显示部件间隔开的保护部件,在所述保护部件上形成有相位部件和偏振部件, 比相位构件的光提取侧。