专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

81. 发明授权

US4704024A Photometric circuit for camera 失效
标题翻译：相机光度计
公开(公告)号：US4704024A
公开(公告)日：1987-11-03
申请号：US678636
申请日：1984-12-06
申请人： Tokuichi Tsunekawa
发明人： Tokuichi Tsunekawa
IPC分类号： G03B7/099 , G03B7/08 , G01J1/42 , H01J40/02 , H01L31/02
CPC分类号： G03B7/09979 , G03B7/09976
摘要： A photometric circuit for a camera has a photo-electric conversion element arranged to measure light in the middle part of the angle of view of the camera and a plurality of photo-electric conversion elements arranged to measure light in the peripheral parts of the angle of view. Of these peripheral light measuring elements, the elements disposed symmetrically with each other relative to the middle part of the angle of view are paired and connected in series with each other. Further, the series circuits thus formed are connected in parallel with the middle light measuring element.
摘要翻译：一种用于照相机的测光电路具有光电转换元件，其设置成测量照相机的视角的中间部分中的光，以及多个光电转换元件，被布置成测量外围部分中的光的角度视图。在这些周边光测量元件中，相对于视角的中间部分彼此对称设置的元件彼此成对并串联连接。此外，如此形成的串联电路与中间光测量元件并联连接。

82. 发明授权

US4697905A Photographic apparatus 失效
标题翻译：摄影器材
公开(公告)号：US4697905A
公开(公告)日：1987-10-06
申请号：US802760
申请日：1985-11-27
申请人： Kazuo Fujibayashi , Tokuichi Tsunekawa , Hiroshi Ohmura
发明人： Kazuo Fujibayashi , Tokuichi Tsunekawa , Hiroshi Ohmura
IPC分类号： G02B7/34 , G03B7/099 , G03B3/00
CPC分类号： G02B7/343 , G03B7/09972
摘要： A photographic apparatus in which light entering through an objective is used in photo-electrically detecting the state of focus of a range finder area in the view field, whereby a mask for defining that area is arranged in the effective light beam at or near a predetermined focal plane of the objective and is made to serve as a light meter of thin film form constituting part of an exposure control system.
摘要翻译：其中通过物镜进入的光用于光电检测视场中取景器区域的焦点状态的摄影装置，由此用于限定该区域的掩模布置在有效光束中或接近预定的物镜的焦平面，作为构成曝光控制系统的一部分的薄膜形式的光度计。

83. 发明授权

US4484223A Image sensor 失效
标题翻译：图像传感器
公开(公告)号：US4484223A
公开(公告)日：1984-11-20
申请号：US269804
申请日：1981-06-03
申请人： Tokuichi Tsunekawa
发明人： Tokuichi Tsunekawa
IPC分类号： H04N5/217 , H04N5/353 , H04N5/361 , H04N5/372 , H04N3/15
CPC分类号： H04N3/1556 , H04N5/2176
摘要： An image sensor causes a solid-state imaging device, at the scanning of an image, to release in succession a dark current signal generated in the solid-state imaging device and a scanning signal containing said dark current signal, subtracts said dark current signal from said scanning signal by a differential circuit to obtain an image signal corresponding to said image, and so regulates by means of an integrating time control circuit and in response to the level of said image signal, the image signal integrating time of said solid-state imaging device as that said image signal remains within a certain level range. In an improvement of the present invention there is further provided means for forcedly resetting the image signal integrating time to be determined by said integrating time control circuit to a shorter time in case the image signal reaches an inappropriate level while said image signal integrating time is fixed at a determined level without renewed control thereof.
摘要翻译：图像传感器使得固态成像装置在扫描图像时连续释放在固态成像装置中产生的暗电流信号和包含所述暗电流信号的扫描信号，从所述暗电流信号中减去所述暗电流信号所述扫描信号通过差分电路获得对应于所述图像的图像信号，并且因此通过积分时间控制电路进行调节，并且响应于所述图像信号的电平，所述固态成像的图像信号积分时间所述图像信号保持在一定水平范围内。在本发明的改进中，还提供了在所述图像信号积分时间固定的情况下，在图像信号达到不适当电平的情况下，将由所述积分时间控制电路确定的图像信号积分时间强制复位到较短时间的装置在一个确定的水平，而不再重新控制。

84. 发明授权

US4470685A Intermediate adapter 失效
标题翻译：中间适配器
公开(公告)号：US4470685A
公开(公告)日：1984-09-11
申请号：US426950
申请日：1982-09-29
申请人： Tokuichi Tsunekawa , Yuichiro Konishi
发明人： Tokuichi Tsunekawa , Yuichiro Konishi
IPC分类号： H04B10/07 , G01M11/00 , G03B15/05 , H04B3/46 , H04B10/00 , H04B10/035 , H04B10/077 , H04B10/291 , H04L25/02
CPC分类号： G03B15/05 , G03B7/16 , G03B2215/056
摘要： Disclosed is an intermediate adapter to be used between the camera body and the photographing lens during close-up photography. A light beam splitter in the adapter housing projects part of the light from the lens to a sensor to produce an electric signal. An illumination device that lights a subject to be photographed is controlled by the signal produced by the light split by the light beam splitter. The beam splitter includes a diffraction arrangement that directs a portion of the light from the path to the film.
摘要翻译：公开了一种在特写摄影期间在相机主体和拍摄镜头之间使用的中间适配器。适配器壳体中的光束分离器将部分从透镜的光投射到传感器以产生电信号。照亮被拍摄对象的照明装置由光束分离器分割的光产生的信号控制。分束器包括将光的一部分从路径引导到胶片的衍射装置。

85. 发明授权

US4261658A Camera 失效
标题翻译：相机
公开(公告)号：US4261658A
公开(公告)日：1981-04-14
申请号：US26216
申请日：1979-04-02
申请人： Takashi Uchiyama , Ryoichi Suzuki , Tokuichi Tsunekawa , Fumio Ito , Mutsuhide Matsuda , Hiroshi Furukawa
发明人： Takashi Uchiyama , Ryoichi Suzuki , Tokuichi Tsunekawa , Fumio Ito , Mutsuhide Matsuda , Hiroshi Furukawa
IPC分类号： G03B17/00 , G03B15/05 , G03B17/04 , G03B17/52 , G03B19/10 , G03B15/03
CPC分类号： G03B17/52 , G03B15/05 , G03B17/04 , G03B7/16 , G03B2215/0507
摘要： In the disclosed folding camera, a built-in flash is disabled and displaced into an inoperative position within the regular contours of the camera housing when the housing is folded. When the housing is extended, the flash may be set either in an operative enabled position outside the regular housing contours or in the inoperative disabled position within the contours.
摘要翻译：在所公开的折叠相机中，当外壳折叠时，内置的闪光灯被禁用并移动到相机外壳的规则轮廓内的不工作位置。当壳体延伸时，闪光灯可以设置在正常外壳轮廓外的操作启用位置或轮廓内的不工作禁用位置。

86. 发明授权

US4156564A Photometric device 失效
标题翻译：光度测量装置
公开(公告)号：US4156564A
公开(公告)日：1979-05-29
申请号：US906913
申请日：1978-05-17
申请人： Tokuichi Tsunekawa , Tetsuya Taguchi , Fumio Ito , Isao Harigaya
发明人： Tokuichi Tsunekawa , Tetsuya Taguchi , Fumio Ito , Isao Harigaya
IPC分类号： G03B7/083 , G03B7/08
CPC分类号： G03B7/083
摘要： A filter for compensation of spectral sensitivity is provided in front of a light receiving element through a light shielding tube. A light source emitting such light as having wave length characteristics which fall within a sensitive wave length zone of the light receiving element yet fall outside of transmitting wave length zone of the filter is provided between the filter and the light receiving element. Light from outside irradiates the light receiving element through the filter while light from the light source is so controlled as irradiating the light receiving element but not leaking through the filter to outside, so that the light from the light source can irradiate the light receiving element without any relationship with the irradiation of outside light on the light receiving element.
摘要翻译：在光接收元件前面通过遮光管提供用于补偿光谱灵敏度的滤光器。在滤光器和光接收元件之间设置有发射具有落在光接收元件的敏感波长区域内的波长特性的光的光源，而不在滤光器的透射波长区域的外侧。来自外部的光通过滤光器照射光接收元件，同时来自光源的光被照射到光接收元件而不通过滤光器泄漏到外部，从而来自光源的光可以照射光接收元件而没有与光接收元件上的外部光的照射的任何关系。

87. 发明授权

US4137541A Automatic exposure control apparatus for a single lens reflex camera 失效
标题翻译：单反相机自动曝光控制装置
公开(公告)号：US4137541A
公开(公告)日：1979-01-30
申请号：US619456
申请日：1975-10-03
申请人： Yukio Mashimo , Masanori Uchidoi , Masayoshi Yamamichi , Fumio Ito , Tokuichi Tsunekawa , Tadashi Ito
发明人： Yukio Mashimo , Masanori Uchidoi , Masayoshi Yamamichi , Fumio Ito , Tokuichi Tsunekawa , Tadashi Ito
IPC分类号： G03B7/091 , G03B7/08
CPC分类号： G03B7/097
摘要： An automatic exposure control apparatus for controlling the diaphragm of the camera in accordance with the preselected shutter time and the exposure value, in which a digital-to-analog converter having a counter responsive to the number of pulses supplied from a clock pulse generator through a gate produces a time variable output capable of attaining a certain level dependent upon the preselected shutter time and a light value as photoelectrically sensed, that is, an exposure value and, which is detected by a first comparator. The output of the first comparator is applied to the gate, so that the converter is set to memorize the exposure value therein. As the diaphragm presetting ring is moved from the maximum to minimum aperture position with production of a time variable output from a signal generator associated therewith, a second comparator responsive to the attainment of the time variable output of the signal generator to a level dependent upon the final output of the set converter produces an output which is applied to arresting means for the diaphragm presetting ring. This results in automatic adjustment of the position of the presetting ring. At the time the presetting ring begins to move, the diaphragm driving means is actuated causing the diaphragm means to be brought into engagement with the ring. Thus, an effective exposure aperture is established in the diaphragm means.
摘要翻译：一种自动曝光控制装置，用于根据预选的快门时间和曝光值控制照相机的光圈，其中具有计数器的数模转换器响应于从时钟脉冲发生器通过一个栅极产生能够获得一定水平的时间变量输出，这取决于预选的快门时间和光电感测的光值，即曝光值，并由第一比较器检测。将第一比较器的输出施加到栅极，使得转换器被设置为存储其中的曝光值。由于膜片预设环从最大孔径位置移动到最小孔径位置，产生与其相关联的信号发生器的时间变量输出，第二比较器响应于将信号发生器的时间可变输出达到取决于设定转换器的最终输出产生一个输出，该输出应用于隔膜预调环的止动装置。这样可以自动调节预置环的位置。在预置环开始移动时，驱动隔膜驱动装置使隔膜装置与环接合。因此，在隔膜装置中建立有效的曝光孔径。

88. 发明授权

US4127325A Automatic exposure control camera 失效
标题翻译：自动曝光控制摄像头
公开(公告)号：US4127325A
公开(公告)日：1978-11-28
申请号：US615897
申请日：1975-09-23
申请人： Shohei Ohtaki , Tokuichi Tsunekawa , Zenzo Nakamura , Takashi Uchiyama
发明人： Shohei Ohtaki , Tokuichi Tsunekawa , Zenzo Nakamura , Takashi Uchiyama
IPC分类号： G03B7/16 , G03B15/05 , G03B7/08 , G03B7/20
CPC分类号： G03B7/16 , G03B15/05
摘要： A self-adjusting electronic flash is attached to an interchangeable lens camera having a shutter-priority exposure control. For flash operation, aperture information suitable for electronic flash and the film sensitivity is automatically conveyed to the camera's diaphragm control. Thus the aperture can be automatically adjusted for flash as well as daylight operation.
摘要翻译：自调整电子闪光灯附接到具有快门优先曝光控制的可互换镜头相机。对于闪光灯操作，适用于电子闪光灯的光圈信息和胶片感光度自动传送到相机的光圈控制。因此，可以对闪光灯以及日光操作自动调整光圈。

89. 发明授权

US4103153A Device for measuring light incident on an image forming optical system 失效
标题翻译：用于测量形成光学系统的图像的光线发生的装置
公开(公告)号：US4103153A
公开(公告)日：1978-07-25
申请号：US691628
申请日：1976-06-01
申请人： Kazuya Matsumoto , Susumu Matsumura , Aiichiro Koyama , Youichi Okuno , Tokuichi Tsunekawa , Tadashi Ito
发明人： Kazuya Matsumoto , Susumu Matsumura , Aiichiro Koyama , Youichi Okuno , Tokuichi Tsunekawa , Tadashi Ito
IPC分类号： G02B5/32 , G03B7/099 , G02B5/14
CPC分类号： G02B5/32 , G03B7/09976
摘要： The present invention relates to a device for measuring light incident on an image forming optical system, making use of a plural number of the diffraction element. The plural number of the diffraction elements are respectively provided in the optical path of the image forming optical system. Further the plural number of the diffraction elements respectively present a certain predetermined area. The plural number of the diffraction elements, seen along the direction of the optical axis of the image forming optical system, are substantially only partially overlapped with respect to each other. The light beam incident on a diffraction element is divided into a non diffracted light beam and a diffracted light beam. Thus diffracted light beam is directed toward the light detecting means so as to be measured while the non diffracted light beam advances along the above mentioned optical axis. Consequently at the part at which the diffraction elements overlap each other, the non diffracted light beam led out of the preceeding diffraction element again enters the following diffraction element. This light beam is again divided into a non diffracted light beam and a diffracted light beam by means of the following diffraction element. The diffracted light beam is measured by a light detecting means in the same way as in the above mentioned case, while the non diffracted light beam advances along the above mentioned optical axis. Thus the light beam which passes through the overlapping parts is measured a plural number of times.

90. 发明授权

US4086582A Exposure control device for a camera 失效
标题翻译：相机曝光控制装置
公开(公告)号：US4086582A
公开(公告)日：1978-04-25
申请号：US711968
申请日：1976-08-05
申请人： Takehiko Kiyohara , Tokuichi Tsunekawa , Mutsunobu Yazaki , Noriaki Sanada , Tetsuya Taguchi , Zenzo Nakamura
发明人： Takehiko Kiyohara , Tokuichi Tsunekawa , Mutsunobu Yazaki , Noriaki Sanada , Tetsuya Taguchi , Zenzo Nakamura
IPC分类号： G03B7/16 , G03B15/03 , G03B15/05
CPC分类号： G03B15/05 , G03B7/16 , G03B2215/0503 , G03B2217/005
摘要： An exposure control device in which the output of a light measuring circuit which produces an electrical signal corresponding to the brightness of an object is compared with an output of a level signal circuit which produces an electrical signal of a predetermined level. When the compared value reaches a predetermined value, a flash circuit is made ready to flash, whereby the shutter time is changed over to a predetermined time suited for a flash photography and the flash circuit is made to flash in association with the shutter operation and the shutter is controlled with a constant time.
摘要翻译：一种曝光控制装置，其将产生与物体的亮度相对应的电信号的光测量电路的输出与产生预定电平的电信号的电平信号电路的输出进行比较。当比较值达到预定值时，使闪光灯准备闪光，由此将快门时间切换到适合于闪光摄影的预定时间，并且使快闪电路与快门操作相关联地闪烁，并且快门以恒定时间控制。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式