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431 条记录 (耗时 0.017 秒)

    Light operated guard
    1.
    发明授权
    Light operated guard 失效
    轻操守卫

    公开(公告)号：US3887252A

    公开(公告)日：1975-06-03

    申请号：US42171973

    申请日：1973-12-04

    申请人： RONEO VICKERS LTD

    发明人： FULLER PAUL

    IPC分类号： A47B63/06 ,  A47B77/08

    CPC分类号： A47B63/067

    摘要： A light operated guard for a path which may be followed by a person or part of a person with a purpose of raising an alarm, of closing the path or stopping dangerous machinery, which utilises a modulated beam of light which traverses the said path and falls upon a photocell associated with a frequency sensitive device which acts to inhibit the raising of an alarm or the closing of the path or the stopping of the dangerous machinery or the like while the beam is uninterrupted the one to maintain a constant loop gain and the other to nullify spurious signals due to vibration and other mechanical effects due to motion of the parts of the apparatus during operation of the same.

    摘要翻译： 用于路径的轻型操纵的防护装置，其可以由人或其部分人员跟随，目的是提高警报，关闭路径或停止危险的机械，利用经过所述路径并下降的调制光束 在与频率敏感装置相关联的光电管上，其作用是阻止报警的增加或关闭路径或停止危险机器等，同时波束不间断地保持恒定的环路增益，而另一个 以消除由于在其操作期间由于装置的部件的运动而引起的振动和其它机械效应引起的杂散信号。

    Method and apparatus for measuring the thickness of a coating on a substrate
    2.
    发明授权
    Method and apparatus for measuring the thickness of a coating on a substrate 失效
    用于测量基材上涂层厚度的方法和装置

    公开(公告)号：US3857095A

    公开(公告)日：1974-12-24

    申请号：US27510972

    申请日：1972-07-25

    申请人： VICKERS LTD

    发明人： MITCHIE R ,  HYATT P

    IPC分类号： B41F31/00 ,  B41F33/00 ,  B41F33/10 ,  G01B7/06 ,  G01N27/22 ,  G01N27/00 ,  G01R33/00

    CPC分类号： B41F33/0063 ,  B41F31/00 ,  G01B7/105

    摘要： The thickness of a coating, such as an ink film, on a substrate, such as a printing surface, is determined by supporting a transducer on a cushion of gas at a constant distance from the surface of the coating of the coated substrate as the coated substrate is moved past the transducer. The transducer is of the type which has an electrical property which varies in dependence on the proximity of the transducer to a surface of electrically conductive material and the presence of the coating on the substrate causes a variation in the distance between the transducer and a surface of electrically conductive material (which may be the surface of the substrate) in accordance with the coating thickness. The resultant change in electrical property is determined and is a measure of the coating thickness. When applying coatings, the amount of coating material applied to a subsequent portion of the substrate may be regulated in dependence on the thickness of the coating on a preceding portion of the substrate so that the thickness of the coating on the subsequent portion of the substrate is equal to a desired thickness.

    摘要翻译： 通过在与涂覆的基材的涂层的表面恒定的距离处将换能器支撑在气垫上来确定涂层（例如油墨膜）的厚度，例如印刷表面，如涂覆的 衬底移动通过传感器。 换能器是具有根据换能器与导电材料表面的接近度而变化的电性能的类型，并且衬底上的涂层的存在导致换能器与表面之间的距离的变化 导电材料（其可以是基底的表面）根据涂层厚度。 所得到的电性能变化被确定，并且是涂层厚度的量度。 当施加涂层时，施加到衬底的后续部分的涂层材料的量可以根据衬底的前面部分上的涂层的厚度来调节，使得衬底的随后部分上的涂层的厚度为 等于所需的厚度。

    Microscopes incorporating incident-light dark ground illumination systems
    3.
    发明授权
    Microscopes incorporating incident-light dark ground illumination systems 失效
    包含偶然的深色地面照明系统的微型计算机

    公开(公告)号：US3752560A

    公开(公告)日：1973-08-14

    申请号：US3752560D

    申请日：1971-12-28

    申请人： VICKERS LTD

    发明人： LUNN A

    IPC分类号： G02B21/12 ,  G02B21/08

    CPC分类号： G02B21/082

    摘要： An incident-light dark ground illumination system for a microscope includes an optical element having at one side an inlet region through which an axially directed light beam is admitted so as to be reflected by a first reflecting surface, at an opposite side of the element, towards a second reflecting surface which surrounds the inlet region and reflects the light back again so that it leaves the element as an output beam surrounding the first reflecting surface. A reflector device having a transparent central area, for transmitting light from an objective to an eyepiece of the microscope, and a nontransmitting peripheral reflecting area surrounding the central area, receives the output beam obliquely so as to produce therefrom an annular reflected beam for delivery to an annular input face of an apertured microscope condenser.

    摘要翻译： 用于显微镜的入射光暗的地面照明系统包括光学元件，该光学元件在一侧具有入口区域，通过该入口区域允许轴向定向的光束，以便在元件的相对侧由第一反射表面反射， 朝向围绕入口区域并且再次反射光的第二反射表面，使得其离开元件作为围绕第一反射表面的输出光束。 具有透明中心区域的反射器装置，用于将光从物镜传输到显微镜的目镜，以及围绕中心区域的不透光的周边反射区域，其倾斜地接收输出光束，从而产生环形反射光束， 输送到多孔显微镜冷凝器的环形输入面。

    Investigating the topography of reflecting surfaces
    4.
    发明授权
    Investigating the topography of reflecting surfaces 失效
    调查反映表面的地形

    公开(公告)号：US3715165A

    公开(公告)日：1973-02-06

    申请号：US3715165D

    申请日：1971-06-07

    申请人： VICKERS LTD

    发明人： SMITH F

    IPC分类号： G01B11/30 ,  G01N21/87 ,  G02B7/28 ,  G01B11/00

    CPC分类号： G01N21/87 ,  G01B11/30 ,  G02B7/28

    摘要： A SPECIMEN SURFACE IS INVESTIGATED WITH AN OPTICAL ARRANGEMENT THAT BRINGS A PENCIL OF LIGHT TO A POINT FOCUS WHICH OSCILLATES LONGTUDINALLY ABOUT THE SURFACE. IN DEPENDENCE UPON LIGHT REFLECTED FROM THE SURFACE, PHOTOELECTRONIC MEANS PROVIDE AN ELECTRIC SIGNAL CONTROLLING DISPLACEMENT OF A REFLECTING SURFACE OF THE ARRANGEMENT TO BRING THE MEANS POSITION ABOUT WHICH THE FOCUS OSCILLATES TOWARDS COINCIDENCE WITH THE SURFACE.

    Optical field flattening devices
    5.
    发明授权
    Optical field flattening devices 失效
    光场平坦装置

    公开(公告)号：US3677621A

    公开(公告)日：1972-07-18

    申请号：US3677621D

    申请日：1970-11-24

    申请人： VICKERS LTD

    发明人： SMITH FRANCIS HUGHES

    IPC分类号： G02B17/00 ,  G02B17/04 ,  G02B17/08 ,  G02B21/00 ,  G02B21/22 ,  G02B27/00 ,  G02B27/28

    CPC分类号： G02B27/0025 ,  G02B17/008 ,  G02B17/045 ,  G02B17/0804 ,  G02B21/00 ,  G02B21/22 ,  G02B27/283

    摘要： An optical device, for imposing a preselected degree of curvature upon an optical field associated with an image-bearing incident light beam, employs a light-polarizing beam splitter for splitting the incident light beam into a transmitted first beam and a reflected second beam, which first and second beams are linearly polarized in mutually perpendicular respective directions. Respective concave mirrors reflect the first and second beams so as to return them to the beam splitter, but respective polarization-changing members, mounted between the beam splitter and the concave mirrors, rotate the directions of linear polarization of the first and the second beams through 90* in the course of their passage from and back to the beam splitter. As a result, the returned first beam is reflected by the beam splitter, and the returned second beam is transmitted thereby for recombination with the first beam to form a single output beam.

    摘要翻译： 一种用于在与图像承载入射光束相关联的光场上施加预选度的光学装置的光学装置采用光偏振分束器将入射光束分成透射的第一光束和反射的第二光束，其中 第一和第二光束在相互垂直的各个方向上线性偏振。 相应的凹面镜反射第一和第二光束以将其返回到分束器，但是安装在分束器和凹面镜之间的各个偏振变化部件使第一和第二光束的线偏振方向通过 在它们从回射到分束器的过程中为90°。 结果，返回的第一光束被分束器反射，并且传输返回的第二光束，从而与第一光束重新组合以形成单个输出光束。

    Maintenance of a workpiece at a pressure other than ambient atmospheric pressure
    6.
    发明授权
    Maintenance of a workpiece at a pressure other than ambient atmospheric pressure 失效
    工作在非常大的气压以外的压力下的维护

    公开(公告)号：US3586812A

    公开(公告)日：1971-06-22

    申请号：US3586812D

    申请日：1969-03-13

    申请人： VICKERS LTD

    发明人： FISHER LEONARD

    IPC分类号： B23K15/06 ,  H01J37/16 ,  B23K15/00

    CPC分类号： H01J37/16 ,  B23K15/06

    摘要： One wall of an enclosure unit that bounds a working chamber in the unit is formed with a slot which is sealed over in slidable manner by a cover plate. The cover plate has an aperture which can be moved along the slot, and a tool (for example a chargedparticle gun) can be attached to the cover plate in gastight manner to operate, via the aperture and the slot, upon a workpiece in the chamber. The cover plate is mounted to rotate parallel to the said one wall, and to undergo translational movement transversely with respect to the slot, as the aperture is moved along the slot. Guide means operate on the cover plate to limit its translational movement so that it cannot project beyond two opposite sides of the unit.

    Electroforming metals and electrolytes therefor
    7.
    发明授权
    Electroforming metals and electrolytes therefor 失效
    电化学金属和电解质

    公开(公告)号：US3574067A

    公开(公告)日：1971-04-06

    申请号：US3574067D

    申请日：1969-11-24

    申请人： VICKERS LTD SA

    发明人： SPIRO PETER

    IPC分类号： C25D1/00 ,  C25D3/02 ,  C23B5/02 ,  C23B5/08 ,  C23B7/00

    CPC分类号： C25D3/02 ,  C25D1/00

    摘要： IN AN ELECTROLYTIC BATH FOR USE IN THE ELECTRO-FORMING OF A BASE METAL SUCH AS IRON, COBALT, NICKEL, TIN, ZINC, MANGANESE AND COPPER, OR A COMBINATION OF TWO OR MORE OF THESE, THE IMPROVEMENT WHICH COMPRISES THAT THE BATH CONTAINS AT LEAST ONE ACETYLENIC COMPOUND DEVOID OF AMINO GROUPS IN AN AMOUNT WITHIN THE RANGE OF 0.1 TO 10 G./1., AT LEAST ONE A,B-UNSATURATED AROMATIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF CINNAMIC ACID, CINNAMALDEHYDE, 1,2-BENZOPYRONE AND PHTHALYLACRYLIC ACID, IN AN AMOUNT WITHIN THE RANGE OF 0.1 TO 50 G./1. AND AT LEAST ONE DIFUNCTIONAL AROMATIC ACID CONTAINING IN THE MOLECULE AT LEAST ONE CARBOXYLIC ACID GROUP AND AT LEAST ONE SULPHONIC ACID GROUP AND SELECTED FROM THE GROUP CONSISTING OF SULPHOPHTHALIC ACID, SULPHOISOPHTHALIC ACID AND SULPHOSALICYLIC ACID, THE DIFUNCTIONAL AROMATIC ACID BEING PRESENT IN THE BATH IN AN AMOUNT WITHIN THE RANGE OF 0.1 TO 100 G./1.