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51. 发明授权

US5343254A Image signal processing device capable of suppressing nonuniformity of illumination 失效
标题翻译：能够抑制照明不均匀的图像信号处理装置
公开(公告)号：US5343254A
公开(公告)日：1994-08-30
申请号：US863441
申请日：1992-04-03
申请人： Toru Wada , Yasuhiro Komiya , Tatsuo Nagasaki
发明人： Toru Wada , Yasuhiro Komiya , Tatsuo Nagasaki
IPC分类号： H04N5/20 , H04N5/202 , H04N5/217 , H04N5/225 , H04N5/243 , H04N9/69 , H04N5/21
CPC分类号： H04N5/202 , H04N5/217 , H04N5/243 , H04N9/69 , H04N2005/2255
摘要： An image signal processing device includes a logarithmic compression circuit, filtering circuit, filtering characteristic setting circuit and dynamic range/gain control circuit. The logarithmic compression circuit subjects an input image signal containing a color signal to the logarithmic compression. The filtering circuit serves to filter the input image signal. The filtering characteristic setting circuit adaptively sets the band pass characteristic of the filtering circuit according to the feature of the input image signal. The dynamic range/gain control circuit controls the dynamic range and gain of the filtered input image signal.
摘要翻译：图像信号处理装置包括对数压缩电路，滤波电路，滤波特性设定电路和动态范围/增益控制电路。对数压缩电路将含有颜色信号的输入图像信号作为对数压缩。滤波电路用于滤波输入图像信号。滤波特性设定电路根据输入图像信号的特征自适应地设定滤波电路的带通特性。动态范围/增益控制电路控制滤波输入图像信号的动态范围和增益。

52. 发明授权

US5070353A Automatic focusing apparatus 失效
标题翻译：自动对焦装置
公开(公告)号：US5070353A
公开(公告)日：1991-12-03
申请号：US618463
申请日：1990-11-27
申请人： Yasuhiro Komiya , Tatsuo Nagasaki
发明人： Yasuhiro Komiya , Tatsuo Nagasaki
IPC分类号： G03B13/36 , G02B7/34 , G02B7/36
CPC分类号： G02B7/365
摘要： An automatic focusing apparatus comprises a photographic optical system for forming an optical image of an object, an optical system driving circuit for moving the photographic optical system in a direction of its optical axis, a storage circuit for prestoring a plurality of MTF ratios corresponding to a plurality of focusing states of the photographic optical system, an image sensor for detecting the optical image, a spatial frequency component extracting circuit for extracting a plurality of spatial frequency components from image signals output from the image sensor, a calculating circuit for calculating a ratio between spatial frequency components representing different focusing states at every common frequency from the spatial frequency components extracted by the spatial frequency extracting circuit, a defocus detecting circuit for detecting a defocus amount and a focusing direction from the spatial frequency component ratios calculated by the calculating circuit and the MTF ratios stored in the storage circuit, and a driving control circuit for calculating an amount and a direction of movement of the photographic optical system from the detection result from the defocus circuit, and outputting the calculation result to the optical system driving circuit.
摘要翻译：一种自动对焦装置，包括：用于形成物体的光学图像的照相光学系统;用于使摄影光学系统在其光轴方向上移动的光学系统驱动电路;存储电路，用于预先存储对应于摄影光学系统的多个聚焦状态，用于检测光学图像的图像传感器，用于从图像传感器输出的图像信号中提取多个空间频率分量的空间频率分量提取电路，计算电路，空间频率分量，表示从由空间频率提取电路提取的空间频率分量的每个公共频率处的不同聚焦状态;散焦检测电路，用于从由计算电路计算出的空间频率分量比检测散焦量和聚焦方向， MTF法存储在存储电路中的驱动控制电路，以及用于根据来自散焦电路的检测结果计算摄影光学系统的量和移动方向的驱动控制电路，并将计算结果输出到光学系统驱动电路。

53. 发明授权

US5055930A Image sensing and recording device having a multilayer analog memory stacked on an image sensing array 失效
标题翻译：具有堆叠在图像感测阵列上的多层模拟存储器的图像感测和记录装置
公开(公告)号：US5055930A
公开(公告)日：1991-10-08
申请号：US579784
申请日：1990-09-07
申请人： Tatsuo Nagasaki , Hidetoshi Yamada
发明人： Tatsuo Nagasaki , Hidetoshi Yamada
IPC分类号： G11C27/04 , H01L27/146 , H01L27/148 , H04N5/225 , H04N5/335 , H04N5/341 , H04N5/353 , H04N5/369 , H04N5/372 , H04N5/374 , H04N5/378
CPC分类号： H04N3/1543 , H01L27/14812 , H04N3/1525 , H04N5/2251
摘要： An image sensing and recording device includes a light-receiving element array, an analog memory, and a transfer section which are integrally formed. The array has an image sensing surface on which a plurality of light-receiving elements are two-dimensionally arranged and generates signal charges by photoelectrically converting light images incident on the surface in units of the elements. The memory has a plurality of storage regions having a multilayer structure stacked on the array. The storage regions transfer the signal charges generated by the elements of the array in a stacked direction thereof and sequentially storing the signal charges. The transfer section is stacked to sandwich the memory between the transfer section and the array and is designed to read out the signal charges, which are sequentially stored in the memory, as time-serial image signals. A dark box incorporates the device. An optical lens is arranged in the dark box so as to form an object image on the surface of the device. A controller is arranged in the dark box so as to control generation of signal charges by the array of the device and to control transfer/storage of signal charges by the memory.
摘要翻译：图像感测和记录装置包括一体形成的光接收元件阵列，模拟存储器和转印部分。阵列具有图像感测表面，多个光接收元件二维排列在该图像感测表面上，并通过以单元为单位对入射在表面上的光像进行光电转换来产生信号电荷。存储器具有堆叠在阵列上的具有多层结构的多个存储区域。存储区域在阵列的堆叠方向上传送由阵列的元件产生的信号电荷并且顺序地存储信号电荷。转印部分被堆叠以将存储器夹在转印部分和阵列之间，并被设计为读出顺序存储在存储器中的信号电荷作为时间串行图像信号。一个暗盒包含了这个设备。将光学透镜布置在暗盒中，以在装置的表面上形成物体图像。控制器布置在暗盒中，以便通过设备的阵列来控制信号电荷的产生，并且通过存储器来控制信号电荷的传送/存储。

54. 发明授权

US4945915A Ultrasonic diagnosis apparatus 失效
标题翻译：超声诊断仪
公开(公告)号：US4945915A
公开(公告)日：1990-08-07
申请号：US155843
申请日：1988-02-12
申请人： Tatsuo Nagasaki
发明人： Tatsuo Nagasaki
IPC分类号： A61B8/02 , B06B1/06 , G01S7/52 , G01S15/89
CPC分类号： A61B8/02 , A61B8/0866 , B06B1/0696 , G01S15/8913 , G01S15/8925 , G01S7/52046 , G01S7/52063
摘要： An ultrasonic diagnosis apparatus comprises a probe for transmitting an ultrasonic beam onto a target body and receiving an ultrasonic echo from the target body and a diagnosis device for supplying a transmission pulse to the probe and processing an electrical signal from the probe to prepare tomographic image information. The probe includes a transmitter, which transmits an ultrasonic beam on each line of a slice of the target body from an oblique direction so as to sequentially irradiate the ultrasonic beam on the individual pixels of the slice, an ultrasonic image pick-up element, which has electric/acoustic transducer elements provided in parallel to the slice and arranged two-dimensionally with respect to each pixel of the slice and converts an ultrasonic echo into an electrical signal in accordance with sound pressure, an ultrasonic lens provided in parallel to the slice to converge the ultrasonic echo from each pixel of the slice on an associated electric/acoustic transducer element of the ultrasonic image pick-up element, a transmission multiplexer for sequentially scanning a line on which the ultrasonic beam from the transmitter is to be irradiated, and a reception multiplexer, coupled to the individual electric/acoustic transducer elements of the ultrasonic iage pick-up element so as to two-dimensionally scan these coverting elements.
摘要翻译：超声波诊断装置包括用于将超声波束发射到目标体上并从目标体接收超声波回波的探针和用于向探针提供发射脉冲并且从探针处理电信号以准备断层图像信息的诊断装置。探头包括发射器，其从倾斜方向在目标体的切片的每条线上传输超声波束，以便顺序地将超声波束照射在切片的各个像素上，超声波图像拾取元件具有与切片平行设置并且相对于切片的每个像素二维布置的电/声换能器元件，并根据声压将超声回波转换成电信号，平行于切片设置的超声波透镜将来自切片的每个像素的超声波回波聚焦在超声波图像拾取元件的相关电/声换能器元件上，发送多路复用器用于顺序地扫描来自发射器的超声波束被照射的线，以及接收多路复用器，其耦合到超声波拾取元件的各个电/声换能器元件，以便进行二暗仔细扫描这些封面元素。

55. 发明授权

US4907573A Ultrasonic lithotresis apparatus 失效
标题翻译：超声波碎石机
公开(公告)号：US4907573A
公开(公告)日：1990-03-13
申请号：US167356
申请日：1988-03-14
申请人： Tatsuo Nagasaki
发明人： Tatsuo Nagasaki
IPC分类号： A61B17/22
CPC分类号： A61B17/2258
摘要： A large number of piezoelectric elements are arranged in a mosaic pattern on a spherical surface so that ultrasonic waves generated by the elements converge on a single point. The arrangement of the elements constitutes a transducer. With the transducer applied to a subject through a liquid bag filled with water, ultrasonic shock waves from each piezoelectric element are concentrated on a lithotresis object, or a calculus so as to break it. The ultrasonic shock waves are generated by applying driving impulses (voltage) to each piezoelectric element. In order to locate the calculus, the transducer is coupled to an ultrasonic diagnosis apparatus having a mechanical scanning type ultrasonic probe. The piezoelectric elements have resonance frequencies set such that the piezoelectric element positioned at the center of the transducer has the lowest resonance frequency and the resonance frequency of each piezoelectric element is increased in accordance with its distance from the center. Thus, the frequency range of vibration of the transducer is broadened so that the ultrasonic shock waves become low in negative sound pressure and narrow in pulse width at the point of convergence.
摘要翻译：大量的压电元件以球面的马赛克图形排列，使得由元件产生的超声波会聚在一个点上。元件的布置构成换能器。随着传感器通过充满水的液体袋施加到受试者，来自每个压电元件的超声波冲击波集中在碎石物体或微积分上以便破坏它。通过对每个压电元件施加驱动脉冲（电压）来产生超声波冲击波。为了定位微积分，换能器耦合到具有机械扫描型超声波探头的超声波诊断装置。压电元件具有设定为使得位于换能器中心的压电元件具有最低谐振频率并且每个压电元件的谐振频率根据其距离中心的距离而增加的谐振频率。因此，换能器的振动频率范围变宽，使得超声波冲击波在负声压下变低，在收敛点处变窄。

56. 发明授权

US4633303A Two-dimensional bandwidth compensating circuit for an endoscope using a solid state image pick-up device 失效
标题翻译：用于使用固态摄像装置的内窥镜的二维带宽补偿电路
公开(公告)号：US4633303A
公开(公告)日：1986-12-30
申请号：US771452
申请日：1985-08-30
申请人： Tatsuo Nagasaki , Hiroyoshi Fujimori
发明人： Tatsuo Nagasaki , Hiroyoshi Fujimori
IPC分类号： A61B1/04 , G02B23/24 , G02B23/26 , H04N5/208 , H04N5/225 , H04N5/335 , H04N5/341 , H04N5/372 , H04N5/378 , H04N7/18 , A61B1/06 , H04N5/14
CPC分类号： H04N5/208 , H04N2005/2255
摘要： In an endoscope using for an imaging means a solid state image pick-up device with light receiving elements arranged two-dimensionally, deterioration of the imaging resolution two-dimensionally is prevented by providing frame memories to read the imaging signals time-serially along each array direction of the light receiving elements, low pass filters to cut the higher harmonics in the signals read time-serially along each array direction and bandwidth compensating circuits to compensate the bandwidths in each array direction.
摘要翻译：在用于成像装置的内窥镜中，具有二维布置的光接收元件的固态图像拾取装置，通过提供帧存储器来防止二维成像分辨率的劣化，以沿着每个阵列时间顺序地读取成像信号光接收元件的方向，低通滤波器，以沿着每个阵列方向串行读取信号中的高次谐波和带宽补偿电路，以补偿每个阵列方向上的带宽。

57. 发明授权

US4625236A Light source means for endoscope employing solid state imaging device 失效
标题翻译：用于内窥镜采用固态成像装置的光源装置
公开(公告)号：US4625236A
公开(公告)日：1986-11-25
申请号：US755763
申请日：1985-07-17
申请人： Hiroyoshi Fujimori , Tatsuo Nagasaki , Tadashi Kato , Masahiko Sasaki
发明人： Hiroyoshi Fujimori , Tatsuo Nagasaki , Tadashi Kato , Masahiko Sasaki
IPC分类号： F21V8/00 , A61B1/04 , A61B1/05 , A61B1/06 , A61B1/07 , G02B23/24 , G02B23/26 , H04N5/225 , H04N5/235 , H04N9/04
CPC分类号： H04N5/2354 , A61B1/0638 , A61B1/0646 , A61B1/0669 , H04N2005/2255
摘要： A light source for an endoscope is disclosed for illuminating a subject, the image from the subject being received through a leading end of the endoscope, and being projected by an objective lens onto a solid state imaging device. Light from a light source lamp is projected onto the subject sequentially with the light transmitted through three color transmitting filters. A reflector is provided to reflect light from the light source lamp in a parallel light beam. A convex lens system for converging the parallel light from the reflector. Light from said source lamp is transmitted through a light guide to the subject. A first and second lens systems are positioned between the input end of the light guide and the convex lens system for converging the light onto the input end of the light guide. The light guide is disposed within an insert member of said endoscope. The lens systems reduce the sectional area of the light beam and restrict the included angle of the light beam. A rotary color filter is provided in said light beam and includes interference filters having high heat resistance for passing light of only a specific wavelength, to provide different colors of illuminating light to the subject.
摘要翻译：公开了一种用于照明被摄体的光源，来自被摄体的图像通过内窥镜的前端接收，并且被物镜投影到固态成像装置上。来自光源灯的光以与透过三色透射滤光片的光顺序地投影到被摄体上。提供反射器以将来自光源灯的光以平行光束反射。用于会聚来自反射器的平行光的凸透镜系统。来自所述源灯的光通过导光体传送到被摄体。第一和第二透镜系统位于光导的输入端和用于将光聚光到光导的输入端的凸透镜系统之间。光导布置在所述内窥镜的插入件内。透镜系统减小光束的截面积并限制光束的夹角。在所述光束中设置有旋转滤色器，并且包括具有高耐热性的干涉滤光片，用于仅通过特定波长的光，以向被摄体提供不同颜色的照明光。

58. 发明授权

US4618884A Image pickup and observation equipment for endoscope 失效
标题翻译：内窥镜摄像和观察设备
公开(公告)号：US4618884A
公开(公告)日：1986-10-21
申请号：US647214
申请日：1984-09-04
申请人： Tatsuo Nagasaki
发明人： Tatsuo Nagasaki
IPC分类号： A61B1/04 , G02B6/06 , G02B23/24 , G02B23/26 , H04N5/225 , A61B1/06
CPC分类号： G02B6/065 , G02B23/26 , Y10S600/921
摘要： The resolution in observing or picking up the image of a subject is improved by providing a driving means to vibrate part of the optical observation system of an endoscope using the image guide made of fiber bundle or the image-forming optical system of an endoscope using the solid pickup element, by a specified amount to meet the arrangement pitch of the said fibers or pickup elements.
摘要翻译：通过提供使用由纤维束制成的图像导向器或内窥镜的成像光学系统的内窥镜的一部分来振动内窥镜的一部分的驱动装置来改善观察或拍摄被摄体的图像的分辨率，固体拾取元件，以达到规定的量以满足所述光纤或拾取元件的排列间距。

59. 发明授权

US4608490A Focus detection method utilizing surface acoustic wave 失效
标题翻译：利用表面声波的焦点检测方法
公开(公告)号：US4608490A
公开(公告)日：1986-08-26
申请号：US552426
申请日：1983-11-16
申请人： Tatsuo Nagasaki , Junichi Nakamura
发明人： Tatsuo Nagasaki , Junichi Nakamura
IPC分类号： G03B3/10 , G01J1/20
CPC分类号： G03B3/10
摘要： Method for detecting a focus condition of an imaging optical system by using a surface acoustic wave device is disclosed. A light receiving element array formed by a plurality of light receiving elements receives a light flux transmitted through at least a part of an image formed by the imaging optical system. Then, outputs of said light receiving elements are processed on real time by means of a Fourier transform device including a surface acoustic wave device, a convolver, etc. so as to derive an image sharpness and/or an image lateral shift, both of which are used for a focus detection. Therefore, as compared with a conventional focus detection method, it is possible to perform the focus detection in a fast and accurate manner by a simple and small construction.
摘要翻译：公开了一种通过使用表面声波装置来检测成像光学系统的聚焦条件的方法。由多个光接收元件形成的受光元件阵列接收透射通过成像光学系统形成的图像的至少一部分的光束。然后，通过包括声表面波装置，卷积器等的傅里叶变换装置实时地处理所述光接收元件的输出，以便导出图像清晰度和/或图像横向偏移，这两者都是用于焦点检测。因此，与传统的焦点检测方法相比，可以通过简单和小的构造以快速和准确的方式执行焦点检测。

60. 发明授权

US4602281A Automatic means for controlling dosage of illuminating light for picking-up image by endoscope assembly 失效
标题翻译：用于控制用于通过内窥镜组件拾取图像的照明光的剂量的自动装置
公开(公告)号：US4602281A
公开(公告)日：1986-07-22
申请号：US646332
申请日：1984-08-31
申请人： Tatsuo Nagasaki , Hiroyoshi Fujimori
发明人： Tatsuo Nagasaki , Hiroyoshi Fujimori
IPC分类号： A61B1/04 , A61B1/05 , H04N5/225 , H04N9/04 , H04N7/18
CPC分类号： H04N5/2256 , A61B1/05 , A61B1/0638 , A61B1/0684 , H04N2005/2255
摘要： The invention relates to means for controlling automatically the intensity of illuminating light for picking up an object to be observed by an endoscope assembly to an level suitable for the observation of object by controlling the output from power source for actuating the light source by the electrical signals issued correspondingly to the dosage on a solid pickup element. The means receive the electrical signals issued from the solid pickup element to form brightness signals, which are applied on the power source for actuating the light source to control the output therefrom depending on the level of brightness signals, thereby controlling automatically the illuminating intensity of light issued from the light source to a level suitable for picking up the image of object.
摘要翻译：本发明涉及用于通过控制用于通过电信号驱动光源的电源的输出来自动控制照明光的强度的装置，用于将用于将内窥镜组件观察到的物体拾取到适于观察物体的水平对应于固体拾取元件上的剂量发出。该装置接收从固体拾取元件发出的电信号，以形成亮度信号，该亮度信号施加在电源上，用于致动光源以根据亮度信号的电平来控制其输出，从而自动控制光的照射强度从光源发出到适合拾取物体图像的水平。

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