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51. 发明授权

US4215924A Method to control introduction of diffracted beam by means of diffraction element 失效
$Method to control introduction of diffracted beam by means of diffraction element$
标题翻译：通过衍射元件控制衍射光束引入的方法
公开(公告)号：US4215924A
公开(公告)日：1980-08-05
申请号：US947066
申请日：1978-09-29
申请人： Kazuya Matsumoto
发明人： Kazuya Matsumoto
IPC分类号： G02B5/32 , G02B27/10 , G03B7/099 , G03B19/12 , G03B1/00
CPC分类号： G02B27/144 , G02B27/108 , G02B27/1086 , G02B5/32 , G03B19/12 , G03B7/09973 , G03B7/09974 , G03B7/09976
摘要： According to the present invention in the image forming light path a direction-selective diffraction element is provided in such a manner that the image forming beam having entered into said diffraction element is diffracted by means of the diffraction grating structure of said diffraction element and devided into a plurality of beams, whereby at least one of the diffracted beams is led to a photo detecting device while the not diffracted beam is made use of as the image forming beam.
摘要翻译：根据本发明，在图像形成光路中，设置方向选择性衍射元件，使得已经通过所述衍射元件的衍射光栅结构衍射到所述衍射元件中的图像形成光束被衍射，并且分离成多个光束，其中至少一个衍射光束被引导到光检测装置，而不衍射光束被用作成像光束。

52. 发明授权

US4065777A Photometric apparatus for single lens reflex camera 失效
标题翻译：单镜反光相机光度测量仪
公开(公告)号：US4065777A
公开(公告)日：1977-12-27
申请号：US717089
申请日：1976-08-24
申请人： Yoshihisa Maitani , Kunio Shimoyama , Muneaki Yoshida , Akihiko Hashimoto , Masahiro Kitagawa
发明人： Yoshihisa Maitani , Kunio Shimoyama , Muneaki Yoshida , Akihiko Hashimoto , Masahiro Kitagawa
IPC分类号： G03B7/083 , G03B7/099 , G03B7/08
CPC分类号： G03B7/083 , G03B7/09974
摘要： A photometric apparatus for single lens reflex camera and of the type in which an exposure value is determined by photometry of light which is transmitted through a photographic optical system and is reflected by at least one of the surfaces of a shutter blind and a film, said apparatus comprising a photoelectric transducer element for receiving light reflected by at least one of the surfaces of a shutter blind and a film, and an operational amplifier for biasing the photoelectric transducer element to maintain the voltage applied thereacross substantially null, thereby enabling a photometric output of the photoelectric transducer element to be effectively derived even when the amount of light received is minimal. The shutter blind is provided with a surface upon which at least two portions thereof have different coefficients of reflectivity to reduce adverse effects of reflected light upon the desired exposure period.
摘要翻译：一种用于单镜头反光照相机的测光装置，其中曝光值由通过照相光学系统透射并由快门帘和薄膜的至少一个表面反射的光的测光确定的类型，所述光测量装置该装置包括用于接收由快门遮罩和薄膜的至少一个表面反射的光的光电换能器元件和用于偏置光电换能器元件的运算放大器，以保持其上施加的电压基本上为零，从而使得能够进行光度输出即使当接收到的光量很小时，光电传感器元件也被有效地导出。百叶窗具有表面，在该表面上，其至少两部分具有不同的反射系数，以减少反射光对所需曝光周期的不利影响。

53. 发明授权

US3872484A Metering device for a single lens reflex camera 失效
标题翻译：单镜头反光相机的测光装置
公开(公告)号：US3872484A
公开(公告)日：1975-03-18
申请号：US47118874
申请日：1974-05-20
申请人： CANON KK
发明人： HASHIMOTO TEIJI , KIYOHARA TAKEHIKO , UCHIYAMA TAKASHI , TSUNEKAWA TOKUICHI , KAKUNODATE MASAMICHI , NAKAMOTO SOICHI
IPC分类号： G03B7/099 , G03B7/0997 , G03B19/12 , G03B7/08
CPC分类号： G03B19/12 , G03B7/09973 , G03B7/09974 , G03B7/09976
摘要： In a single lens reflex camera, a metering device comprises a metering element provided on the back side of a movable mirror so that, in raised position of the mirror, light passed through the picture-taking lens of the camera to the surface of a shutter curtain or of a photographic film and reflected by such surface may be received by the metering element to determine the exposure without the incident light from the picture-taking lens being directly passed to the metering element.
摘要翻译：在单镜头反光相机中，计量装置包括设置在可移动镜的后侧的计量元件，使得在镜子的升高位置，光通过照相机的摄像镜头到达快门的表面窗帘或摄影胶片，并且由这种表面反射，可以被测光元件接收以确定曝光，而不会使来自摄像镜头的入射光直接传递到计量元件。

54. 发明授权

US6154612A Electronic flash control device 有权
标题翻译：电子闪光控制装置
公开(公告)号：US6154612A
公开(公告)日：2000-11-28
申请号：US218538
申请日：1998-12-22
申请人： Hiroyuki Iwasaki
发明人： Hiroyuki Iwasaki
IPC分类号： G03B15/03 , G02B7/28 , G03B15/05 , G03C3/00 , G03B7/16
CPC分类号： G03B7/16 , G03B7/09974 , G03B7/09976 , G03B7/09979
摘要： A flash control device for a camera includes a light emission unit which emits light to illuminate a subject to be imaged by the camera, a preliminary light emission control unit which causes the light emission unit to emit light during a preliminary light emission operation prior to a main exposure operation to be performed by the camera and until a predetermined amount of light is received by the camera during the preliminary light emission operation, a range computing unit which computes a distance from the camera to the subject, an exposure calculation unit which computes an aperture value for the camera during the preliminary light emission operation, a main light emission calculation unit which calculates a length of time that the light emission unit is to emit light during a main light emission operation based on the preliminary light emission operation, the computed distance to the subject, and the aperture value, and a main light emission control unit which controls the emission of light by the light emission unit during a main exposure operation within the camera based on an output of the main light emission calculation unit. A corresponding method for controlling an electronic flash unit adapted for use with a camera or other imaging device also is provided.
摘要翻译：一种用于照相机的闪光控制装置包括：发光装置，发射光以照射由照相机成像的被摄体;初步发光控制单元，其在第一次发光操作之前使发光单元发光; 由照相机执行的主要曝光操作，并且直到在初步发光操作期间相机接收到预定量的光，计算从照相机到被摄体的距离的距离计算单元，计算相机在初步发光操作期间相机的光圈值，主发光计算单元，其基于初步发光操作来计算在主发光操作期间发光单元发光的时间长度，计算出的距离和光圈值，以及控制发光的主发光控制单元基于主发光计算单元的输出，通过照相机内的主曝光操作期间的发光单元的光。还提供了一种用于控制适用于相机或其他成像装置的电子闪光灯组件的相应方法。

55. 发明授权

US5596387A Auto-exposure device of a camera 失效
标题翻译：相机的自动曝光装置
公开(公告)号：US5596387A
公开(公告)日：1997-01-21
申请号：US352419
申请日：1994-12-07
申请人： Tadao Takagi
发明人： Tadao Takagi
IPC分类号： G01J1/02 , G01J1/04 , G01J1/44 , G03B7/08 , G03B7/28 , G03B17/18
CPC分类号： G03B7/09979 , G03B17/18 , G03B7/0807 , G03B7/09974 , G03B7/09976 , H04N9/735
摘要： An auto-exposure device of a camera which can generate a photograph which fits to an image of a photographing time band in the photographing of an evening scene, a morning scene and so on. The auto-exposure device comprises a split photo-metering device for photo-metering a plurality of split areas of an object field, a color temperature measurement device for measuring a color temperature of a light source for illuminating the object field, and an exposure calculation device for calculating an exposure value based on the output of the split photo-metering device and the output of the color temperature measurement device.
摘要翻译：照相机的自动曝光装置，其可以在拍摄傍晚场景，早晨场景等时产生适合拍摄时间带的图像的照片。自动曝光装置包括用于对物场的多个分割区域进行光电测量的分割光计量装置，用于测量用于照射物场的光源的色温的色温测量装置，以及曝光计算用于基于分割光计量装置的输出和色温测量装置的输出来计算曝光值的装置。

56. 发明授权

US5309193A Camera with automatic light adjusting device 失效
标题翻译：相机带自动调光装置
公开(公告)号：US5309193A
公开(公告)日：1994-05-03
申请号：US875652
申请日：1992-04-29
申请人： Tadao Takagi
发明人： Tadao Takagi
IPC分类号： G03B7/16 , G03B15/05 , H05B41/36 , G03B7/08
CPC分类号： G03B7/16 , G03B7/09974 , G03B7/09979
摘要： A camera provided with an automatic light adjusting device comprises a flash apparatus for performing a preliminary flash before a main flash, a light metering device for at least metering a light which is emitted from the flash apparatus and reflected by a photographic field, a light metered value correcting device for correcting a light metered value upon the preliminary flash by eliminating a component of stationary light excluding the light emitted from the flash apparatus and reflected by the photographic field, from the light metered value upon the preliminary flash which is metered by the light metering device, and a light adjusting device for adjusting the main flash of the flash apparatus based on the light metered value corrected by the light metered value correcting device.
摘要翻译：配备有自动调光装置的相机包括用于在主闪光之前执行初步闪光的闪光装置，用于至少计量从闪光装置发射并由照相场反射的光的计量装置，计量的光价值校正装置，用于通过从由闪光装置发射的并且由照相场反射的光除去在由闪光计量的预闪光时的光计量中除去光之外的固定光的分量来校正初步闪光时的光计量计量装置和调光装置，用于基于由光计量值校正装置校正的光计量值来调节闪光装置的主闪光。

57. 发明授权

US5168300A TTL automatic flash control device 失效
标题翻译： TTL自动闪光控制装置
公开(公告)号：US5168300A
公开(公告)日：1992-12-01
申请号：US796789
申请日：1991-11-25
申请人： Seiichi Yasukawa
发明人： Seiichi Yasukawa
IPC分类号： G03B7/099 , G03B7/0997 , G03B7/16 , G03B7/28 , G03B15/05
CPC分类号： G03B7/16 , G03B15/05 , G03B7/09974 , G03B2215/05
摘要： A TTL automatic flash control device for a flash light source for a camera is disclosed. The device has a flash control unit for controlling flashing of the flash light source. In sequential flashing photographic operation mode in which a plurality of flashing photographic operations are conducted sequentially, the flash control unit preliminarily flashes the flash light source at least once before the series of flashing photographic operations are initiated. Thereafter, the flash control unit performs main flashing of the flash light source for each shot. The device further includes a weighting value operating unit for detecting distribution of reflected light regarding a plurality of photometric areas obtained by dividing a field during the preliminary flashing and for calculating a weighting value for each of the photometric areas on the basis of the distribution of the reflected light, and a quantity of light control unit for metering each of the photometric areas on the basis of the weighting value thereof during the main flashing and for controlling a quantity of light emitted from the flash light source.
摘要翻译：公开了一种用于相机的闪光灯的TTL自动闪光控制装置。该装置具有用于控制闪光灯的闪光的闪光控制单元。在依次进行多次闪光拍摄操作的顺序闪光拍摄操作模式中，闪光控制单元在闪光照相操作开始之前，至少预先闪烁闪光灯源。此后，闪光控制单元针对每次拍摄执行闪光光源的主闪光。该装置还包括加权值操作单元，用于检测关于在预备闪光期间除以场的获得的多个测光区域的反射光的分布，并且用于根据所述测光区域的分布来计算每个测光区域的加权值反射光和一定量的光控制单元，用于在主闪光期间基于其加权值来计量每个测光区域，并且用于控制从闪光光源发射的光量。

58. 发明授权

US4974007A Photographing device having plural range finding elements and plural photometric elements 失效
标题翻译：具有多个测距元件和多个测光元件的拍摄装置
公开(公告)号：US4974007A
公开(公告)日：1990-11-27
申请号：US350647
申请日：1989-05-11
申请人： Masaaki Yoshida
发明人： Masaaki Yoshida
IPC分类号： G03B13/36 , G02B7/28 , G02B7/32 , G03B7/28 , G03B15/05
CPC分类号： G02B7/32 , G03B7/09974 , G03B7/09979
摘要： A photographing device has a range sensor including a plurality of range sensing elements, and a photometric sensor including a plurality of photometric elements. The positions of the photometric elements on the photometric sensor correspond to the positions of the range finding elements on the range sensor. Further, the area of each photometric element is larger than the area of the corresponding range finding element. Thus, proper exposure control may be affected for a selected range finding element.
摘要翻译：拍摄装置具有包括多个范围感测元件的范围传感器和包括多个测光元件的测光传感器。光度传感器上的测光元件的位置对应于距离传感器上的测距元件的位置。此外，每个测光元件的面积大于相应测距元件的面积。因此，对于选定的测距元件可能会影响适当的曝光控制。

59. 发明授权

US4969005A Backlighting detecting device 失效
标题翻译：背光检测装置
公开(公告)号：US4969005A
公开(公告)日：1990-11-06
申请号：US345444
申请日：1989-05-01
申请人： Tatsuyuki Tokunaga
发明人： Tatsuyuki Tokunaga
IPC分类号： G01J1/44 , G03B7/091 , G03B7/28
CPC分类号： G03B7/28 , G03B7/091 , G03B7/09974 , G03B7/09979
摘要： A device for detecting a backlighting condition comprising a light meter of which the image receiving surface is divided into a central area, an intermediate area and a marginal area, and a circuit for discriminating between true and false backlighting conditions in such a way that when the luminance of the marginal area is greater than that of the intermediate area by more than a predetermined value and when the luminance of the intermediate area is greater than that of the central area, the backlighting condition in question is taken as a true one.
摘要翻译：一种用于检测背光条件的装置，包括将所述图像接收表面划分成中心区域，中间区域和边缘区域的光度计，以及用于区分真假背光条件的电路，边缘区域的亮度大于中间区域的亮度大于预定值，并且当中间区域的亮度大于中央区域的亮度时，所讨论的背光条件被认为是真实的。

60. 发明授权

US4965620A Camera 失效
标题翻译：相机
公开(公告)号：US4965620A
公开(公告)日：1990-10-23
申请号：US349846
申请日：1989-05-10
申请人： Tadao Takagi , Toshihiro Sato , Takashi Saegusa
发明人： Tadao Takagi , Toshihiro Sato , Takashi Saegusa
IPC分类号： G03B7/16 , G03B15/05
CPC分类号： G03B7/16 , G03B7/09974 , G03B7/09979
摘要： A camera is adapted so that a light emission level of a flashing apparatus is automatically corrected through the comparison of the control value with the appropriate exposure for the constant illumination (background illumination). As a result, an appropriate exposure can be given for the principal object, such as a person, even when the exposure for the constant illumination is outside the exposure control range or is intentionally decreased or increased.
摘要翻译：相机适于使得通过将控制值与恒定照明（背景照明）的适当曝光进行比较来自动校正闪光装置的发光水平。结果，即使当恒定照明的曝光在曝光控制范围之外或有意减少或增加时，也可以对诸如人的主要物体给出适当的曝光。

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