Optical instrument for examining the eye fundus
    1.
    发明授权
    Optical instrument for examining the eye fundus 失效
    用于检查眼睛基金的光学仪器

    公开(公告)号:US4068932A

    公开(公告)日:1978-01-17

    申请号:US687645

    申请日:1976-05-18

    IPC分类号: A61B3/14

    CPC分类号: A61B3/14

    摘要: The present invention relates to an optical instrument for examining the eye fundus which is so designed that in the optical system including an objective lens visible, targets are built for orientating the visual line of the eye to be inspected along the direction convenient for the inspection of the desired part of the eye fundus in order to be able to inspect the desired part. The visible targets are located at the position conjugate to the eye fundus with regard to the optical system including the objective lens in order that the light beam coming from the targets through the objective lens reaches the eye to be inspected. The image of the visible targets is formed on the eye fundus of the eye to be inspected while the eye to be inspected observes the visible targets through the objective lens in such a manner that the visual line is oriented in the direction along which the targets are seen.

    Eye examining instrument
    2.
    发明授权
    Eye examining instrument 失效
    眼睛检查仪器

    公开(公告)号:US4227780A

    公开(公告)日:1980-10-14

    申请号:US918923

    申请日:1978-06-26

    CPC分类号: G01S15/8965 A61B3/10 A61B8/10

    摘要: An eye examining instrument comprises an ultrasonic wave generating source, reflecting members and a receiver. A concave reflecting mirror is provided to direct the generated ultrasonic waves in the direction along the optical axis of the objective lens of the instrument while converging the waves. Also, a concave reflecting mirror is provided to converge the ultrasonic waves reflected upon the cornea of the eye under test and examination into the receiver. The ultrasonic waves received by the receiver are transformed into an electric signal. The electric signal thus produced includes a component informing of the time required to receive the ultrasonic waves after the generation thereof and a component informing of the intensity of the received ultrasonic waves. The time component signal is compared with a reference signal representative of a predetermined working distance between the objective lens and the eye whereas the intensity component signal is compared with a reference signal representative of the alignment of the objective lens with the eye.

    摘要翻译: 检眼仪器包括超声波发生源,反射构件和接收器。 设置凹面反射镜,以使得所产生的超声波在沿着仪器的物镜的光轴的方向上引导,同时会聚波。 此外,设置凹面反射镜以将被测眼睛上的反射的超声波收集在接收器中。 由接收机接收的超声波变换为电信号。 由此产生的电信号包括通知在生成之后接收超声波所需的时间和通知接收到的超声波的强度的分量的分量。 将时间分量信号与表示物镜和眼睛之间的预定工作距离的参考信号进行比较,而将强度分量信号与表示物镜与眼睛的对准的参考信号进行比较。

    Eye fundus camera
    5.
    发明授权
    Eye fundus camera 失效
    眼底眼镜

    公开(公告)号:US4690525A

    公开(公告)日:1987-09-01

    申请号:US682231

    申请日:1984-12-17

    IPC分类号: A61B3/14 G03B7/00

    CPC分类号: A61B3/14

    摘要: An eye fundus camera is provided with an illuminating system for illuminating an eye to be examined, a photographing system for photographing the fundus of the eye to be examined, eye fundus reflected light receiving portions disposed in a plane substantially conjugate with the fundus of the eye to be examined and at a plurality of locations with a spacing greater than the dimension corresponding to the nipple diameter, and a control unit for operation-processing the outputs of the eye fundus reflected light receiving portions and automatically controlling the quantity of photo-taking light.

    摘要翻译: 眼底照相机设置有用于照射待检眼睛的照明系统,用于拍摄待检眼睛的眼底的拍摄系统,设置在与眼睛的眼底基本共轭的平面中的眼底反射光接收部分 被检查并且在多个位置处具有大于与乳头直径相对应的尺寸的间隔;以及控制单元,用于对眼底反射光接收部分的输出进行操作处理并自动控制摄影光量 。

    Ophthalmic instrument
    6.
    发明授权
    Ophthalmic instrument 失效
    眼科仪器

    公开(公告)号:US4762410A

    公开(公告)日:1988-08-09

    申请号:US4822

    申请日:1987-01-12

    摘要: Disclosed is an ophthalmic instrument provided with an illuminating system for illuminating an eye being examined, an imaging system for imaging a predetermined portion of the eye being examined at a predetermined image plane position, and a detecting system for detecting any variation in the reflected light from the front-eye-part of the eye being examined by a nictitation of the eye being examined without depending on the quantity of illuminating light of the illuminating system.

    摘要翻译: 本发明提供一种眼科器械,其具有用于照射被检查眼睛的照明系统,用于对在预定图像平面位置处检查的眼睛的预定部分进行成像的成像系统,以及检测系统,用于检测来自 眼睛的前眼部分被检查的眼睛被检查,而不依赖于照明系统的照明光的数量。

    Photographing device and X-ray photographing system utilizing the same
    7.
    发明授权
    Photographing device and X-ray photographing system utilizing the same 失效
    摄影装置和利用其的X射线摄影系统

    公开(公告)号:US5815548A

    公开(公告)日:1998-09-29

    申请号:US252536

    申请日:1994-06-01

    IPC分类号: G03B42/04 G03B42/02

    CPC分类号: G03B42/045

    摘要: A photographing device is provided with a pair of support members positioned in mutually opposed manner across a film, a sensitivity increasing screen mounted on at least one of the paired support members, a sealing member for hermetically sealing a space containing the film and the sensitivity increasing screen, a vacuum pump for reducing the pressure in the sealed space to maintain the film and the sensitivity increasing screen in mutual close contact, and a support member for maintaining the film in a predetermined position between the support member in the sealed space. Thus the sensitizing screen can be securely contacted with the film, and errors in operation are reduced even when the photographing operation is conducted with the film in vertical or inclined position.

    摘要翻译: 拍摄装置设置有一对支撑构件,其以相互相对的方式跨过膜定位,灵敏度增加屏幕安装在成对支撑构件中的至少一个上,密封构件用于气密地密封包含膜的空间和灵敏度增加 屏幕,用于减小密封空间中的压力以维持薄膜和相互紧密接触的灵敏度增加屏幕的真空泵;以及用于将薄膜保持在密封空间中的支撑构件之间的预定位置的支撑构件。 因此,即使当胶片处于垂直或倾斜位置进行拍摄操作时,敏化屏幕也可以与胶片牢固地接触,并且操作中的误差降低。

    X-ray phototaking apparatus
    8.
    发明授权
    X-ray phototaking apparatus 失效
    X光摄影装置

    公开(公告)号:US5280514A

    公开(公告)日:1994-01-18

    申请号:US965853

    申请日:1992-10-23

    IPC分类号: G03B42/02 G03B42/04

    CPC分类号: G03B42/02 G03B42/045

    摘要: An X-ray phototaking apparatus for effecting an X-ray phototaking operation on a sheet film, selected from plural kinds of sheet film in close contact, under a reduced pressure, with an intensifying member selected from of plural kinds of intensifying members, is provided with a device for detecting at least either the kind of the intensifying member and the kind of the sheet film, and a device for varying at least one of the contact time of the intensifying member and the sheet film, the X-ray irradiating conditions and the exposure control parameters, based on detection signals obtained from the detection.

    摘要翻译: 本发明提供一种X射线摄影装置,其特征在于,在与多种增强构件中选择的增强构件的减压下,从多种薄膜紧密接触的薄膜上进行X射线摄影操作, 具有用于检测增强构件的种类和片状物的种类中的至少一种的装置,以及用于改变增强构件和片状膜的接触时间中的至少一个的装置,X射线照射条件和 曝光控制参数,根据从检测中获得的检测信号。

    Sheet extracting mechanism with function for detecting the amount of
stacked sheets and recording system utilizing the same
    10.
    发明授权
    Sheet extracting mechanism with function for detecting the amount of stacked sheets and recording system utilizing the same 失效
    用于检测堆叠片材数量的功能的片材提取机构和使用其的记录系统

    公开(公告)号:US5097496A

    公开(公告)日:1992-03-17

    申请号:US672634

    申请日:1991-03-20

    申请人: Haruhisa Madate

    发明人: Haruhisa Madate

    摘要: A sheet extracting mechanism is provided with a suction cup for attracting one of stacked sheets, a negative pressure source for supplying a suction force to the suction cup, a detector for detecting the pressure in the suction cup, a moving mechanism for moving the suction cup thereby extracting the sheet adhered to the suction cup by the section force, and a discriminator for comparing the suction force in the suction cup with a predetermined pressure, at a predetermined position located a predetermined distance from the bottom of the stack of sheets, thereby identifying the amount of the stacked sheets. The suction cup is temporarily stopped at the predetermined position corresponding to a predetermined number of remaining sheets, and the remaining number of sheets is identified equal to or less than the predetermined number when the suction cup no longer touches the sheet, thereby becoming unable to attract the sheet.

    摘要翻译: 纸张提取机构设置有用于吸引堆叠的纸张中的一个的吸盘,用于向吸盘提供吸力的负压源,用于检测吸盘中的压力的​​检测器,用于移动吸盘的移动机构 从而通过截面力提取粘附到吸盘的片材,以及用于将吸盘中的吸力与预定压力进行比较的鉴别器,该预定位置距离堆叠片的底部预定距离,从而识别 堆叠的纸张的数量。 吸盘临时停止在与预定数量的剩余片材相对应的预定位置,并且当吸盘不再接触片材时,剩余数量的片材被识别为等于或小于预定数量,从而变得不能吸引 该表。