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    • 1. 发明授权
    • Image pickup device using plural control parameters for exposure control
    • 使用多个控制参数进行曝光控制的图像拾取装置
    • US5831676A
    • 1998-11-03
    • US932300
    • 1992-08-19
    • Koji TakahashiKenji KyumaKyoji TamuraYuji Tsuda
    • Koji TakahashiKenji KyumaKyoji TamuraYuji Tsuda
    • H04N5/235H04N5/232
    • H04N5/2357H04N5/2351H04N5/2352
    • An image pickup device capable of exposure control utilizing the iris aperture, shutter speed and gain as three control parameters, comprising means for setting a photometry area in the image frame; means for setting an input parameter as a reference for evaluation, based on the luminance information in an image signal obtained from the photometry means; means for determining the values of the three control parameters for exposure control, according to the value of the input parameter; switch means for switching, according to the phototaking mode, a program setting the control caharacteristics of each control parameter as a function of the input parameter; and photometry area switch means for switching the set state of the photometry area in the image frame, in linkage with the switching operation of the switch means, wherein the phototaking mode is switched according to the phototaking conditions, thereby controlling the parameters and the light metering area according to a program matching the phototaking mode, and enabling to constantly effect the optimum phototaking operation under any phototaking situation or conditions.
    • 一种能够利用虹膜孔径进行曝光控制的图像拾取装置,将快门速度和增益作为三个控制参数,包括用于设置图像帧中的测光区域的装置; 基于从测光装置得到的图像信号中的亮度信息,设定输入参数作为评价基准的装置; 用于根据输入参数的值确定用于曝光控制的三个控制参数的值的装置; 切换装置,根据摄影模式,根据输入参数设置每个控制参数的控制特性的程序; 以及测光区域切换装置,用于与开关装置的切换操作相关联地切换图像帧中的测光区域的设定状态,其中根据拍摄条件切换拍摄模式,从而控制参数和光计量 根据与拍摄模式相匹配的节目,能够在任何拍摄状况或条件下不断地实现最佳拍摄操作。
    • 3. 发明授权
    • Image pickup device
    • 图像拾取装置
    • US06630960B2
    • 2003-10-07
    • US09078077
    • 1998-05-13
    • Koji TakahashiKenji KyumaKyoji TamuraYuji Tsuda
    • Koji TakahashiKenji KyumaKyoji TamuraYuji Tsuda
    • H04N5235
    • H04N5/2357H04N5/2351H04N5/2352
    • An image pickup device capable of exposure control utilizing the iris aperture, shutter speed and gain as three control parameters, comprising means for setting a photometry area in the image frame; means for setting an input parameter as a reference for evaluation, based on the luminance information in an image signal obtained from the photometry means; means for determining the values of the three control parameters for exposure control, according to the value of the input parameter; switch means for switching, according to the phototaking mode, a program setting the control caharacteristics of each control parameter as a function of the input parameter; and photometry area switch means for switching the set state of the photometry area in the image frame, in linkage with the switching operation of the switch means, wherein the phototaking mode is switched according to the phototaking conditions, thereby controlling the parameters and the light metering area according to a program matching the phototaking mode, and enabling to constantly effect the optimum phototaking operation under any phototaking situation or conditions.
    • 一种能够利用虹膜孔径进行曝光控制的图像拾取装置,将快门速度和增益作为三个控制参数,包括用于设置图像帧中的测光区域的装置; 基于从测光装置得到的图像信号中的亮度信息,设定输入参数作为评价基准的装置; 用于根据输入参数的值确定用于曝光控制的三个控制参数的值的装置; 切换装置,根据摄影模式,根据输入参数设置每个控制参数的控制特性的程序; 以及测光区域切换装置,用于与开关装置的切换操作相关联地切换图像帧中的测光区域的设定状态,其中根据拍摄条件切换拍摄模式,从而控制参数和光计量 根据与拍摄模式相匹配的节目,能够在任何拍摄状况或条件下不断地实现最佳拍摄操作。
    • 4. 发明授权
    • Image pickup device having selectable photographing modes
    • 具有可选拍摄模式的图像拾取装置
    • US5883666A
    • 1999-03-16
    • US323585
    • 1994-10-17
    • Kenji KyumaKyoji TamuraKoji TakahashiYuji Tsuda
    • Kenji KyumaKyoji TamuraKoji TakahashiYuji Tsuda
    • H04N5/235H04N5/225H04N5/238
    • H04N5/2357H04N5/2351H04N5/2352
    • A video camera having a plurality of photographing modes each having different control characteristics in accordance with the photographing condition, comprising:mode selection means for selecting arbitrary photographing mode from said plurality of photographing modes; andcontrol means for transferring said photographing mode via a neutral mode having control characteristics intermediate to control characteristics of each photographing mode when the photographing mode is switched by said mode selection means,whereby abrupt change in the characteristics of control parameters or set values is avoided, and any disorder or unnatural change in the image or unstable transient control state caused by the switching can be prevented, so that the optimal photographing can be performed without respect to photographing situation or photographing environment, when the photographing mode is switched.
    • 一种具有多个拍摄模式的摄像机,每个拍摄模式根据拍摄条件具有不同的控制特性,包括:模式选择装置,用于从所述多个拍摄模式中选择任意拍摄模式; 以及控制装置,用于当通过所述模式选择装置切换拍摄模式时,经由具有中间控制特性的中性模式传送所述拍摄模式,从而避免了控制参数或设定值的特性的突然变化, 并且可以防止由切换引起的图像中的任何紊乱或不自然的变化或不稳定的瞬态控制状态,从而当切换拍摄模式时,可以不考虑拍摄情况或拍摄环境来执行最佳拍摄。
    • 5. 发明授权
    • Image pickup device capable of controlling made pickup operation
    • 能够控制图像拾取操作的图像拾取装置
    • US5621462A
    • 1997-04-15
    • US311207
    • 1994-09-23
    • Koji TakahashiKenji KyumaKyoji TamuraYuji Tsuda
    • Koji TakahashiKenji KyumaKyoji TamuraYuji Tsuda
    • H04N5/235H04N5/238
    • H04N5/2352
    • In an image pickup device capable of effecting the exposure control with plural control parameters such as the iris aperture, shutter speed and gain, the set range of the control parameters is divided into plural areas according to the phototaking condition, and the exposure control information is operated by varying one of the plural control parameters while fixing other control parameters in each of the plural divided areas. Thus optimum exposure control is rendered always possible according to the phototaking situation or condition. Also since the variable parameter is selected according to the phototaking situation, the magnitude of calculation required in the control circuit does not increase in each situation, and compact and rapid control can be realized.
    • 在能够进行诸如虹膜孔径,快门速度和增益等多个控制参数的曝光控制的图像拾取装置中,根据拍摄条件将控制参数的设定范围分成多个区域,并且曝光控制信息是 通过改变多个控制参数之一来操作,同时固定多个分割区域中的每一个中的其他控制参数。 因此,根据拍摄情况或状况,始终可以实现最佳曝光控制。 此外,由于根据摄影情况选择了可变参数,因此在各种情况下控制电路所需的计算量不增加,可以实现紧凑而快速的控制。
    • 7. 发明授权
    • Image pickup apparatus with exposure control correction
    • 具有曝光控制校正的摄像装置
    • US5959670A
    • 1999-09-28
    • US827945
    • 1997-04-16
    • Kyoji TamuraYuji Tsuda
    • Kyoji TamuraYuji Tsuda
    • G06T3/40H04N5/232H04N5/235H04N5/262H04N5/238
    • H04N5/23296G06T3/40H04N5/232H04N5/2351H04N5/2352H04N5/2628
    • An image pickup apparatus includes an image pickup element for picking up an image of a subject and outputting a picked-up image signal, an electronic image magnification enlarging circuit for enlarging an image magnification of the subject by intermittently reading out the picked-up image signal outputted from the image pickup element and varying an image read-out area of an image plane, an exposure control circuit for executing exposure control on the basis of a result obtained by comparing a level of the picked-up image signal with a predetermined reference level, and a correcting circuit for correcting, according to the image magnification of the electronic image magnification enlarging circuit, a no-signal-containing portion produced by an operation of the electronic image magnification enlarging circuit and contained in the picked-up image signal to be supplied to the exposure control circuit.
    • 图像拾取装置包括用于拾取被摄体的图像并输出拍摄图像信号的图像拾取元件,用于通过间歇地读出所拾取的图像信号来放大对象的图像放大的电子图像放大放大电路 从图像拾取元件输出并改变图像平面的图像读出区域;曝光控制电路,用于基于通过将拍摄图像信号的电平与预定参考电平进行比较而获得的结果执行曝光控制 以及校正电路,根据电子图像倍率放大电路的图像倍率,校正通过电子图像放大电路的操作产生的并包含在拾取图像信号中的无信号包含部分, 提供给曝光控制电路。
    • 8. 发明授权
    • Image capture apparatus
    • 图像采集设备
    • US07633546B2
    • 2009-12-15
    • US11352225
    • 2006-02-13
    • Yuji Tsuda
    • Yuji Tsuda
    • H04N5/225G03B7/24
    • H04N5/238H04N5/23241
    • An image capture apparatus can immediately start image recording capable of preventing the deterioration of image quality, even when brightness of an object immediately after the activation of a power source is higher than a reference value. A filter control circuit automatically inserts a filter for reducing the transmitting light amount of an image capture optical system into the optical path of the optical system regardless of the state of a switch for inserting or withdrawing the filter, when the brightness of the object is higher than the reference value immediately after the activation of the power source. Moreover, the filer control circuit automatically withdraws the filter from the optical path regardless of the state of the switch, when the brightness of the object is lower than the reference value immediately after the activation of the power source.
    • 即使在电源的激活之后的物体的亮度高于参考值,图像捕获装置也可以立即开始能够防止图像质量劣化的图像记录。 当物体的亮度较高时,滤光器控制电路自动插入用于将图像拍摄光学系统的透射光量减少到光学系统的光路中的滤光器,而不管用于插入或取出滤光器的开关的状态如何 比激活电源之后的参考值高。 此外,当物体的亮度低于电源激活之后的参考值时,滤光器控制电路自动地从光路中退出滤光器,而不管开关的状态如何。
    • 9. 发明申请
    • IMAGING APPARATUS AND CONTROL METHOD THEREFOR
    • 成像装置及其控制方法
    • US20090167899A1
    • 2009-07-02
    • US12341921
    • 2008-12-22
    • Yuji Tsuda
    • Yuji Tsuda
    • H04N5/262
    • H04N5/23296H04N5/232H04N5/2628
    • An imaging apparatus includes an imaging unit configured to perform photoelectric conversion of an optical image, an optical zoom unit configured to perform optical magnification variation in response to a zooming operation, an electronic zoom unit configured to perform electronic magnification variation on a signal output from the imaging unit, and a controller configured to operate the electronic zoom unit together with the optical zoom unit in a first zoom range in response to the zooming operation, to operate the optical zoom unit without operating the electronic zoom unit in response to the zooming operation in a second zoom range, which is closer to a telephoto side than the first zoom range, and to operate the electronic zoom unit together with the optical zoom unit in response to the zooming operation in a third zoom range, which is closer to the telephoto side than the second zoom range.
    • 一种成像装置,包括:被配置为执行光学图像的光电转换的成像单元,被配置为响应于变焦操作执行光学倍率变化的光学变焦单元;电子变焦单元,被配置为对从所述光学图像输出的信号进行电子倍率变化; 成像单元,以及控制器,其被配置为响应于所述变焦操作而以所述光学变焦单元与所述光学变焦单元一起操作所述电子变焦单元,以响应于所述变焦操作而操作所述光学变焦单元而不操作所述电子变焦单元 第二变焦范围,其比第一变焦范围更靠近长焦侧,并且响应于更靠近远摄端的第三变焦范围中的变焦操作,与光学变焦单元一起操作电子变焦单元 比第二个缩放范围。
    • 10. 发明申请
    • Anticorrosion sleeve
    • 防腐套管
    • US20050287327A1
    • 2005-12-29
    • US11169485
    • 2005-06-29
    • Kazuo IshikawaYuji Tsuda
    • Kazuo IshikawaYuji Tsuda
    • B32B1/08F16L25/02F16L41/04F16L41/16
    • F16L41/16F16L25/028F16L41/04Y10T428/139Y10T428/1393
    • An anticorrosion sleeve including a resin sleeve and a metal sleeve tightly received in the resin sleeve. The metal sleeve has a gradually expanding outer diameter thereof toward one circular edge thereof in a tapered shape in cross section so that the metal sleeve expands the resin sleeve in diameter when the metal sleeve is inserted into the resin sleeve. The resin sleeve includes a large-diameter portion and a small-diameter portion. The metal sleeve includes an engagement end portion, an intermediate portion, and a tapered end portion in that order. The outer circumference of the engagement end portion of the metal sleeve is engaged beforehand with a step between the inner circumferences of the large-diameter portion and the small-diameter portion of the resin sleeve.
    • 包括树脂套筒和紧密地容纳在树脂套筒中的金属套筒的防腐套筒。 金属套筒的一个圆形边缘朝向其一个圆形边缘的横截面为锥形,从而当金属套筒插入到树脂套筒中时,金属套筒直径使树脂套筒膨胀。 树脂套筒包括大直径部分和小直径部分。 金属套筒依次包括接合端部,中间部和锥形端部。 金属套筒的接合端部的外周预先与大直径部分的内周和树脂套筒的小直径部分之间的台阶相接合。