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    • 5. 发明授权
    • Noise suppressor for electronic endoscope
    • 电子内窥镜用噪声抑制器
    • US4615330A
    • 1986-10-07
    • US645308
    • 1984-08-29
    • Tatsuo NagasakiHiroyoshi Fujimori
    • Tatsuo NagasakiHiroyoshi Fujimori
    • A61B1/05A61B8/12A61B18/12A61B1/00
    • A61B1/00177A61B1/05A61B18/12A61B18/1206A61B8/12A61B18/1233A61B2018/0066A61B8/445Y10S128/901
    • A noise suppressor is provided for an electronic endoscope which incorporates a diathermic cutter or an ultrasonic diagnosis system. The electronic endoscope utilizes a solid-state camera, and in order to prevent noises from being superimposed upon the signal fed to an image display, a transmission line which transmits a high frequency current to the diathermic cutter or a transmission line which transmits an ultrasonic signal to or receives an ultrasonic signal from an ultrasonic probe is shielded by a conductor member. In particular, for a transmission line which conveys the high frequency current, impedance regulating means is connected therewith in order to prevent the high frequency current from leaking through a distributed capacitance between the transmission line and the conductor member. Alternatively, a narrow bandpass filter may be provided which limits the frequency band of the high frequency current. A coaxial cable may be used in which both the transmission line and the conductor member are formed of conductive rubber.
    • 为包含透热切割器或超声波诊断系统的电子内窥镜提供噪声抑制器。 电子内窥镜利用固态摄像机,为了防止噪声叠加在馈送到图像显示器的信号上,传输线路将高频电流传输到透热切割器或传输线路,传输线路传输超声波信号 从超声波探头接收或接收超声波信号被导体部件屏蔽。 特别地,对于传送高频电流的传输线,阻抗调节装置与其连接,以防止高频电流通过传输线和导体部件之间的分布电容泄漏。 或者,可以提供限制高频电流的频带的窄带通滤波器。 可以使用同轴电缆,其中传输线和导体部件均由导电橡胶形成。
    • 10. 发明授权
    • Endoscope equipment
    • 内窥镜设备
    • US4821116A
    • 1989-04-11
    • US27598
    • 1987-03-18
    • Tatsuo NagasakiHiroyoshi Fujimori
    • Tatsuo NagasakiHiroyoshi Fujimori
    • A61B1/05H04N5/225H04N5/235H04N7/18
    • H04N5/2354A61B1/05H04N5/2254H04N2005/2255
    • This invention concerns an endoscope using a line transfer type solid pickup element which is provided with a means to control the light incident upon the light receiving plane of the solid pickup element and accumulates the optical image from the subject during the incident period and reads the accumulated signal charges during the non-incident period. The means to control the incident light consists of the method to switch ON and OFF the light source driving voltage, method to switch ON and OFF the applied voltage of the liquid crystal filter provided in the optical path, method to provide a rotary filter with shielding regions in front of the light source and method to use a strobo light source. Furthermore, in order to display in color, the combination with the R, G and B color filters is used.
    • 本发明涉及一种使用线路传输型固体拾音元件的内窥镜,其具有控制入射在固体拾取元件的光接收平面上的光并在入射期间累积来自被摄体的光学图像的装置,并读取累积的 非事故期间的信号费。 控制入射光的手段包括打开和关闭光源驱动电压的方法,用于打开和关闭设置在光路中的液晶滤光片的施加电压的方法,以提供具有屏蔽的旋转滤光器 在光源前面的区域和使用频闪光源的方法。 此外,为了显示颜色,使用与R,G和B滤色器的组合。