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    • 62. 发明授权
    • Optical low pass filter
    • 光学低通滤波器
    • US4998800A
    • 1991-03-12
    • US331961
    • 1989-04-03
    • Yasuaki NishidaKatsuya FujisawaYoshihiro FujitaMasao FujiwaraShigeo YoshikawaMasao Uetsuki
    • Yasuaki NishidaKatsuya FujisawaYoshihiro FujitaMasao FujiwaraShigeo YoshikawaMasao Uetsuki
    • G02B27/46H01L27/14H04N5/225H04N9/07
    • H04N5/2254G02B27/46
    • An optical low pass filter for use in an imaging device including an objective lens and a solid state image sensor forming a plurality of picture elements thereon, which filter comprises a diffraction grating disposed between the objective lens and the solid state image sensor. The diffraction grating is of a type which the periodicity of an image of the diffraction grating projected onto the solid state image sensor by the objective lens is selected to be twice or 1/n of the periodicity of the picture element, wherein n represents an integer. The applicable imaging device may be of a type comprising an objective lens, a solid state image sensor forming a plurality of picture elements thereon, and a color filter array disposed on the solid state image snesor and including a plurality of sets of different color filter elements, or of a type comprising a single tube type color imaging device having an evacuated glass envelope, an objective lens and a color filter array including a plurality of sets of different color filter elements.
    • 一种用于包括物镜的成像装置和在其上形成多个像素的固态图像传感器的光学低通滤波器,该滤波器包括设置在物镜和固态图像传感器之间的衍射光栅。 衍射光栅是通过物镜投影到固态图像传感器上的衍射光栅的图像的周期性被选择为像素的周期的两倍或1 / n的类型,其中n表示整数 。 可应用的成像装置可以是包括物镜,在其上形成多个像素的固态图像传感器和设置在固态图像打鼾器上的滤色器阵列的类型,并且包括多组不同的滤色器元件 或包括具有抽真空玻璃外壳的单管式彩色成像装置,物镜和包括多组不同滤色器元件的滤色器阵列的类型。
    • 63. 发明授权
    • Method for processing silver halide color photographic material
    • 卤化银彩色照相材料的处理方法
    • US4963474A
    • 1990-10-16
    • US309588
    • 1989-02-13
    • Yoshihiro FujitaShinji UedaTakatoshi IshikawaAkira Abe
    • Yoshihiro FujitaShinji UedaTakatoshi IshikawaAkira Abe
    • G03C7/42
    • G03C7/42
    • A method of processing a silver halide color photographic material in which the material is, after color-developed, processed in a bath having bleaching ability and then in a bath having fixing ability, wherein a bleaching agent in the bath having bleaching ability is at least one iron(III) complex of an aminopolycarboxylic acid of the following formula (I) and the bath having fixing ability contains at least one organic phosphonic acid: ##STR1## wherein n represents 3, 4 or 5, and is preferable 3. Especially, the bleaching agent in the bath having bleaching ability comprises at least one iron(III) complex of a compound selected from the following group (A) and a (1,3-diaminopropanetetraacetato)iron(III) complex in a molar proportion of the former to the latter of being 3 or less, and ammonium ion accounts for 90 mol % or more of the sum of the alkali metal ions and ammonium ion in the bath having fixing ability; Group (A): A-1: Ethylenediaminetetraacetic Acid A-2: Diethylenetriaminepentaacetic Acid A-3: 1,2-Cyclohexanediaminetetraacetic Acid A-4: 1,2-Propylenediaminetetraacetic Acid. According to the method, rapid desilvering is effected, the stability of the fixing agent is improved, bleaching fog is inhibited, the fixing speed is elevated, and the storage stability of the images formed in the material processed is improved.
    • 64. 发明授权
    • Camera
    • 相机
    • US4908642A
    • 1990-03-13
    • US357681
    • 1989-05-26
    • Hiroshi KomatsuzakiSeiji AsanoYoshihiro Fujita
    • Hiroshi KomatsuzakiSeiji AsanoYoshihiro Fujita
    • G03B7/091G03B7/16
    • G03B7/16G03B7/091
    • A camera which is capable of varying a photographable distance range according to photographic conditions to realize a sure photographing without losing a photographic chance under the photographic condition that can provide a practicable image. In the camera, even if a light measurement value is smaller than a first reference value Sev to allow a strobe to automatically emit light, the distance range for focusing is not limited when the light measurement value is greater than a second reference value or the lowest limit value of the image surface light amount that can provide a practicable image quality in exposure. The camera is sure to be able to photograph when the image surface light amount is available to such an degree that a practicable image quality can be obtained in the strobe automatic light emission.
    • 能够根据摄影条件改变可拍摄距离范围的相机,以实现可靠拍摄,而不会在可提供可行图像的拍摄条件下失去照相机会。 在相机中,即使光测量值小于第一参考值Sev以允许闪光灯自动发光,当光测量值大于第二参考值或最低时,聚焦的距离范围也不受限制 可以在曝光中提供可行的图像质量的图像表面光量的极限值。 当图像表面光量可用时,相机确实能够拍摄到在闪光灯自动发光中可以获得可行的图像质量的程度。
    • 67. 发明授权
    • Camera with changeable focal length
    • 相机具有可变焦距
    • US4831402A
    • 1989-05-16
    • US200423
    • 1988-05-31
    • Yoshihiro FujitaTakao UmetsuYsuyoshi MasaokaMinoru Takahashi
    • Yoshihiro FujitaTakao UmetsuYsuyoshi MasaokaMinoru Takahashi
    • G03B17/12G03B3/10G03B19/07
    • G03B19/07G03B3/10
    • A camera includes a taking lens system changeable in focal length between at least a short focal length suitable for wide-angle photography and a long focal length suitable for telephotography. The lens system is held in a lens barrel which is axially displaced by means of a motor to change the lens system between at least the two different focal lengths. The camera is provided with a controller for sequentially controlling the motor to move the lens barrel in one axial direction so as to change the lens system to have one of the different focal lengths selected by a focal length selecting switch, to move the lens barrel in the opposite axial direction when the lens barrel does not reach a position wherein the taking lens system has the selected focal length in a predetermined time period, and to stop when the lens barrel reaches the position wherein the taking lens system has another one of the different focal lengths. For detecting the lens barrel at the axial position where the taking lens system has the different focal lengths, the camera is provided with a detector for detecting an unusual motion of the lens barrel in cooperation with the controller.
    • 相机包括可在适合于广角摄影的至少短焦距和适合于长焦摄影的长焦距之间的焦距可变的拍摄镜头系统。 透镜系统保持在透镜筒中,透镜筒通过电机轴向移位,以在至少两个不同焦距之间改变透镜系统。 相机设置有控制器,用于顺序地控制电动机沿一个轴向移动透镜镜筒,以便将透镜系统改变为具有由焦距选择开关选择的不同焦距之一,以将透镜镜筒移动到 当镜筒没有到达其中拍摄镜头系统在预定时间段内具有选定焦距的位置时相反的轴向方向,并且当镜筒到达其中拍摄镜头系统具有另一个不同的位置时 焦距 为了在拍摄镜头系统具有不同焦距的轴向位置处检测镜筒,相机配备有用于与控制器协作检测镜筒的异常运动的检测器。
    • 68. 发明授权
    • Method for processing silver halide color photographic light-sensitive
material
    • 卤化银彩色摄影感光材料的处理方法
    • US4590150A
    • 1986-05-20
    • US759809
    • 1985-07-29
    • Yoshihiro Fujita
    • Yoshihiro Fujita
    • G03C7/30G03C7/42G03C11/00G03C7/40G03C5/24
    • G03C7/3046G03C7/42
    • A method for continuously development processing an imagewise exposed silver halide color photographic light-sensitive material, comprising the use in a washing step or stabilization step subsequent to bleaching and fixing steps or a bleach-fixing step of at least one compound represented by formula (I) ##STR1## wherein R.sub.1 and R.sub.2 each represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, or a nitrogen-containing heterocyclic group. In accordance with the present method, the stability of the washing water or stabilizer can be greatly increased without deteriorating the stability of dye images; particularly, the formation of floating matter and precipitates in the washing water or stabilizer can be substantially prevented.
    • 一种用于连续显影处理成像曝光的卤化银彩色照相感光材料的方法,其包括在漂白和固化步骤之后的洗涤步骤或稳定步骤中使用或至少一种由式(I)表示的化合物的漂白固定步骤 )其中R 1和R 2各自表示氢原子,烷基,取代的烷基,芳基,取代的芳基或含氮杂环基。 根据本方法,可以大大提高洗涤水或稳定剂的稳定性,而不会降低染料图像的稳定性; 特别地,可以基本上防止在洗涤水或稳定剂中形成浮质和析出物。