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    • 44. 发明授权
    • Non-contact type tonometer
    • 非接触式眼压计
    • US4705045A
    • 1987-11-10
    • US832763
    • 1986-02-25
    • Shinichi Nishimura
    • Shinichi Nishimura
    • A61B3/12A61B3/15A61B3/16
    • A61B3/165
    • There is disclosed a non-contact type tonometer for measuring intraocular pressure of an eye under test in which a fluid for deforming a cornea, discharged along an optical axis of an alignment optical system toward the cornea in order to deform the cornea. The intraocular pressure is measured based on the measured deformation of the cornea. The alignment optical system comprises a projection optical system which is independently adapted for projecting a pair of target rays for alignment verification toward the cornea; and an alignment verification optical system in which corneal specular reflection rays of the pair of target rays are guided to the objective lens as if the pair of target rays were radiated from the corneal focal point. When an optical axis of the projection optical system is made coincident with the focal point of the cornea and the reflected target images are formed by the objective lens, alignment verification is effected based on duplication of the pair of target images.
    • 公开了一种用于测量被测眼睛的眼压的非接触型眼压计,其中使角膜变形的流体沿着对准光学系统的光轴朝向角膜排出,以使角膜变形。 基于测量的角膜变形来测量眼内压。 对准光学系统包括投影光学系统,该投影光学系统独立地适于将一对目标射线投射到朝向角膜的对准验证; 以及对准验证光学系统,其中一对目标射线的角膜镜面反射射线被引导到物镜,就好像该对目标射线是从角膜焦点辐射的。 当使投影光学系统的光轴与角膜的焦点一致并且由物镜形成反射的目标图像时,基于一对目标图像的复制来进行对准验证。
    • 45. 发明授权
    • Stereo-microscope with two observation optical systems each including a
right angle prism and a roof right angle prism providing both rotation
and relative separation adjustments
    • 具有两个观察光学系统的立体显微镜,每个观察光学系统包括直角棱镜和顶角直角棱镜,其提供旋转和相对分离调节
    • US4702570A
    • 1987-10-27
    • US817931
    • 1986-01-10
    • Hisakazu YoshinoShinichi NishimuraKazutoshi Takagi
    • Hisakazu YoshinoShinichi NishimuraKazutoshi Takagi
    • G02B21/22
    • G02B21/22
    • A stereo-microscope is disclosed. It comprises a common objective lens system, a first and second imaging lens systems having optical paths parallel to that of the objective lens system producing intermediate images of an object, a first and second optical path deflecting devices arranged behind the respective imaging lens systems for deflecting the respective ejection bundle of rays outwardly relative to the optical path of the objective lens system, and a first and second ocular systems arranged behind the respective optical path deflecting device for observing the respective intermediate images. It is characterized in that a stereo angle .omega. which is to be decided depending on the base length between the first and second imaging lens systems and an observation angle .theta. which is defined between the observation optical paths of the first and second ocular systems are arranged to be equal. Another stereo-microscope is also disclosed. It comprises an objective optical system, a first and second ocular systems, a first and second eracting optical systems and devices for varying an observation angle .theta. defined between the observation axes of the first and second ocular systems.
    • 公开了立体显微镜。 它包括公共物镜系统,具有平行于物镜系统的光路的第一和第二成像透镜系统产生物体的中间图像,布置在各个成像透镜系统后面的第一和第二光路偏转装置,用于偏转 相对于物镜系统的光路向外的相应的射出束,以及布置在相应的光路偏转装置后面的第一和第二眼系统,用于观察各个中间图像。 其特征在于,将根据第一和第二成像透镜系统之间的基底长度决定的立体角度ω和在第一和第二眼睛系统的观察光路之间限定的观察角度θ被布置成 等于。 还公开了另一种立体显微镜。 它包括物镜光学系统,第一和第二眼睛系统,用于改变在第一和第二眼睛系统的观察轴之间限定的观察角度θ的第一和第二激活光学系统和装置。
    • 48. 发明授权
    • Head-rest adjusting device
    • 头枕调节装置
    • US4265482A
    • 1981-05-05
    • US63368
    • 1979-08-03
    • Shinichi NishimuraSatoshi Izumida
    • Shinichi NishimuraSatoshi Izumida
    • A47C7/38B60N2/48A47C1/10A47C7/36
    • A47C7/38B60N2/4864
    • A device for forwardly and backwardly adjusting a head-rest according to the invention comprises a base plate fixed to stays extending above a back of a seat for an automobile and provided at its ends with lower rails formed with anchoring apertures, a slide formed on its upper surface with guides and on both sides with upper rails to be fitted with the lower rails, a flat plate-like locking lever traversely slidable within the guide of the slide and having a pair of anchoring pieces extending downwardly to engage in the anchoring apertures of the lower rails, a spring for urging the locking lever in one direction, and a cover for covering the base plate and the slide. With this arrangement, the position of the head-rest can be slidably adjusted by pushing the locking lever against the resilient force of the spring, and the head-rest can then be fixed at a desired position by releasing the locking lever.
    • 根据本发明的用于向前和向后调节头枕的装置包括固定到延伸在用于汽车的座椅的后部上方的支撑件的底板,并且在其端部处设置有形成有锚定孔的下轨道,其上形成有滑块 具有引导件的上表面和两侧上部导轨装配有下轨道,平板状的锁定杆可在滑动件的引导件内横向滑动并具有向下延伸的一对锚固件, 下轨道,用于在一个方向上推动锁定杆的弹簧和用于覆盖基板和滑块的盖。 通过这种布置,可以通过克服弹簧的弹力推动锁定杆来可靠地调整头枕的位置,然后通过释放锁定杆来将头枕固定在期望的位置。