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    Position detector
    1.
    发明授权
    Position detector 失效

    公开(公告)号：US07030782B2

    公开(公告)日：2006-04-18

    申请号：US10796164

    申请日：2004-03-10

    申请人： David T. E. Ely ,  Ross P. Jones ,  James M. C. England ,  Alexander W. McKinnon ,  Robert M. Pettigrew ,  Andrew N. Dames ,  Andrew R. L. Howe

    发明人： David T. E. Ely ,  Ross P. Jones ,  James M. C. England ,  Alexander W. McKinnon ,  Robert M. Pettigrew ,  Andrew N. Dames ,  Andrew R. L. Howe

    IPC分类号： G08B11/00

    CPC分类号： G06F3/046 ,  G01D5/2073 ,  G01D5/208 ,  G06F3/03545 ,  G06F3/0362 ,  G06F2203/04101

    摘要： A position detector is provided for detecting the relative movement of first and second members which are mounted for relative movement along a measuring path. One of the members comprises a magnetic field generator for generating a magnetic field and the other member comprises first and second conductors which are inductively coupled to said magnetic field generator. The arrangement of the first and second conductors and the magnetic field generator is such that output signals are generated in a first and second receive circuits whose position varies with the relative movement between the two members. In addition to carrying information relating to the relative position between the two members, the signals induced in the receive circuits also comprise information defining the relative orientation of the two movable members, and by suitable processing of the received signals the relative orientation of the two members can also be determined. In a preferred form of the invention, the system operates to define the relative position and orientation of the two movable members in first and second directions from which the relative orientation of the two members in a plane containing the two directions can be determined. The signals induced in the receive circuits can also be processed to give an indication of the gap between the two circuits and to provide an indication of the full relative orientation of the two members.

    Article detection and/or recognition using magnetic devices
    2.
    发明授权
    Article detection and/or recognition using magnetic devices 失效
    使用磁性装置的物品检测和/或识别

    公开(公告)号：US4940966A

    公开(公告)日：1990-07-10

    申请号：US317455

    申请日：1989-04-10

    申请人： Robert M. Pettigrew ,  Stephen H. Chambers ,  Dafydd G. Davies ,  Michael D. Crossfield

    发明人： Robert M. Pettigrew ,  Stephen H. Chambers ,  Dafydd G. Davies ,  Michael D. Crossfield

    IPC分类号： C23C14/14 ,  C23C14/34 ,  G01V15/00 ,  G08B13/24 ,  H01F10/13 ,  H01F10/18 ,  H01F10/28 ,  H01F10/30

    CPC分类号： G08B13/2411 ,  G01V15/00 ,  G08B13/2437 ,  G08B13/244 ,  G08B13/2442 ,  H01F10/13 ,  H01F10/132 ,  H01F10/18 ,  H01F10/28 ,  H01F10/30 ,  Y10S428/90

    摘要： This application discloses a method of recognizing and/or locating preselected categories of articles, which comprises applying to the articles a plurality of magnetic elements in predetermined associations (e.g. with predetermined numbers of magnetic elements and with predetermined spacings between said elements), whereby when the articles are caused to move relative to a predetermined interrogating magnetic field, each particular association of magnetic elements gives rise to a magnetic signature whereby the article or category of article carrying each of the predetermined associations can be recognized and/or located. A series of tags or markers for use in such a method, as well as a system for determining the location and/or identity of an article within an article conveying network, are also disclosed. Typically, one of such a series of tags will have a plurality of magnetic elements (2, 3, 4, 5, 6, 7, 8, 9, 10) whose individual magnetic characteristics, and whose number, shape, location and orientation on a substrate, determine the individual character of the magnetic response of the tag. By varying one or more of these parameters, a large family of magnetically individually recognizable tags can be generated.

    摘要翻译： PCT No.PCT / GB88 / 00447 Sec。 371日期：1989年4月10日 102（e）日期1989年4月10日PCT Filed 1988年6月8日PCT Pub。 出版物WO88 / 09979 日期为1988年12月15日。本申请公开了一种识别和/或定位预选类型物品的方法，其包括以预定关联（例如具有预定数量的磁性元件，并且预定间隔在 所述元件），由此当使制品相对于预定的询问磁场移动时，磁性元件的每个特定关联产生磁性签名，从而可以识别承载每个预定关联的物品或物品类别和/ 或位于。 还公开了用于这种方法的一系列标签或标记，以及用于确定物品传送网络内的物品的位置和/或身份的系统。 通常，这样的一系列标签中的一个将具有多个磁性元件（2,3,4,5,6,7,8,9,10），其各自的磁特性及其数量，形状，位置和取向在 确定标签的磁响应的个性特征。 通过改变这些参数中的一个或多个，可以生成大量的磁性可单独识别的标签。

    Displacement measuring apparatus and method
    3.
    发明授权
    Displacement measuring apparatus and method 失效
    位移测量装置及方法

    公开(公告)号：US4776701A

    公开(公告)日：1988-10-11

    申请号：US736275

    申请日：1985-05-20

    申请人： Robert M. Pettigrew

    发明人： Robert M. Pettigrew

    IPC分类号： G01B11/00 ,  G01D5/38 ,  G01B9/02

    CPC分类号： G01D5/38

    摘要： Displacement measuring apparatus comprises a light source (10), a lens (12), and index grating (14), a reflective scale grating (16), and three photodetectors (18) at positions corresponding to the zero order and positive and negative first order images of the source (10). The index grating (14) has a castellated surface profile with a mark/space ratio (a/b, FIG. 3) and a castellation height (h, FIG. 3) chosen so that the three photodetectors (18) see wavefronts having a phase separation of 120. The electrical signals from the photodetectors (18) are used to sense the magnitude and direction of movement of a reading head carrying the components (10, 12, 14 and 18) with respect to the scale grating (16).

    摘要翻译： 位移测量装置包括光源（10），透镜（12）和折射光栅（14），反射刻度光栅（16）和三个光电检测器（18），位于对应于零级和正负第一 订购源（10）的图像。 索引光栅（14）具有一个具有标记/空间比（a / b，图3）和一个城堡高度（h，图3））的cast形表面轮廓，以便三个光电检测器（18）看到波前具有 来自光电检测器（18）的电信号用于感测携带组件（10,12,14和18）的读取头相对于刻度光栅（16）的移动的大小和方向。

    Manufacture of diffraction gratings
    4.
    发明授权
    Manufacture of diffraction gratings 失效
    衍射光栅的制造

    公开(公告)号：US4657780A

    公开(公告)日：1987-04-14

    申请号：US759699

    申请日：1985-07-29

    申请人： Robert M. Pettigrew ,  Robert J. Longman

    发明人： Robert M. Pettigrew ,  Robert J. Longman

    IPC分类号： G02B5/18 ,  G03F7/00 ,  B05D3/06

    CPC分类号： G03F7/001 ,  G02B5/1857

    摘要： In a method of manufacturing a diffraction grating, the grating-bearing surface of a master grating is coated with a release agent, and a rigid substrate has a layer of ultravoilet sensitive liquid resin applied thereto before bringing the master grating and the substrate together to trap a film of the liquid resin therebetween, whereafter the liquid resin is cured by exposure to ultraviolet light through the master grating and the master grating and resin-profiled substrate are separated prior to completion of the diffraction grating by deposition of a thin metal film on the resin-profiled surface of the substrate.

    摘要翻译： 在制造衍射光栅的方法中，主光栅的光栅承载表面涂覆有脱模剂，刚性基板在将主光栅和基板一起收集之前施加了一层施加到其上的超薄敏感液体树脂 其间的液体树脂的膜，然后通过在主光栅处暴露于紫外光而固化液体树脂，并且在衍射光栅完成之前通过主金属膜和树脂成型基板被分离，通过在薄膜上沉积薄金属膜 基板的树脂成型面。

    Optical data storage
    5.
    发明授权
    Optical data storage 失效
    光数据存储

    公开(公告)号：US4486870A

    公开(公告)日：1984-12-04

    申请号：US399862

    申请日：1982-07-19

    申请人： Robert M. Pettigrew ,  John D. Bradbrook ,  Ronald C. Wainwright

    发明人： Robert M. Pettigrew ,  John D. Bradbrook ,  Ronald C. Wainwright

    IPC分类号： G11B7/00 ,  G06K1/12 ,  G11B7/0045 ,  G11B7/085 ,  G11B7/24 ,  G11B21/02 ,  G11B21/08 ,  G03B23/00

    CPC分类号： G06K1/126

    摘要： A thermoplastics data storage member carries information which can be imaged using non-coherent light and, in addition to and distinct from that information, control data which defines a two-coordinate system for the member which controls random access to the information. A reading apparatus comprises a non-laser optical system for imaging selected areas of the information and a servo-system, including a microprocessor and transducers for reading the control data, for positioning a reading head of the optical system in desired locations relative to the storage member. The invention affords cheap optical data bases readable by apparatus not requiring a laser optical system.

    摘要翻译： 热塑性塑料数据存储部件承载可以使用非相干光成像的信息，并且除了和不同于该信息之外，还可以控制数据，该数据定义用于控制随机访问信息的成员的双坐标系统。 读取装置包括用于对信息的选定区域进行成像的非激光光学系统和包括用于读取控制数据的微处理器和换能器的伺服系统，用于将光学系统的读取头相对于存储器定位在期望的位置 会员。 本发明提供了不需要激光光学系统的设备可读的便宜的光学数据库。

    Position detector
    6.
    发明授权
    Position detector 失效
    位置检测器

    公开(公告)号：US06249234B1

    公开(公告)日：2001-06-19

    申请号：US09111885

    申请日：1998-07-08

    申请人： David T. E. Ely ,  Ross P. Jones ,  James M. C. England ,  Alexander W. McKinnon ,  Robert M. Pettigrew ,  Andrew N. Dames ,  Andrew R. L. Howe

    发明人： David T. E. Ely ,  Ross P. Jones ,  James M. C. England ,  Alexander W. McKinnon ,  Robert M. Pettigrew ,  Andrew N. Dames ,  Andrew R. L. Howe

    IPC分类号： H03M1100

    CPC分类号： G06F3/041 ,  G01D5/2073 ,  G01D5/208 ,  G06F3/03545 ,  G06F3/046 ,  G06F2203/04101

    摘要： A position detector is provided for detecting the relative movement of first and second members which are mounted for relative movement along a measuring path. One of the members comprises a magnetic field generator for generating a magnetic field and the other member comprises first and second conductors which are inductively coupled to said magnetic field generator. The arrangement of the first and second conductors and the magnetic field generator is such that output signals are generated in a first and second receive circuits whose position varies with the relative movement between the two members. In addition to carrying information relating to the relative position between the two members, the signals induced in the receive circuits also comprise information defining the relative orientation of the two movable members, and by suitable processing of the received signals the relative orientation of the two members can also be determined. In a preferred form of the invention, the system operates to define the relative position and orientation of the two movable members in first and second directions from which the relative orientation of the two members in a plane containing the two directions can be determined. The signals induced in the receive circuits can also be processed to give an indication of the gap between the two circuits and to provide an indication of the full relative orientation of the two members.

    摘要翻译： 提供一种位置检测器，用于检测沿测量路径相对运动安装的第一和第二构件的相对运动。 其中一个构件包括用于产生磁场的磁场发生器，另一个构件包括感应耦合到所述磁场发生器的第一和第二导体。 第一和第二导体和磁场发生器的布置使得输出信号在其位置随着两个构件之间的相对运动而变化的第一和第二接收电路中产生。 除了承载与两个构件之间的相对位置有关的信息之外，在接收电路中感应的信号还包括限定两个可移动构件的相对取向的信息，并且通过适当处理接收到的信号，两个构件的相对取向 也可以确定。 在本发明的优选形式中，系统操作以限定两个可移动构件在第一和第二方向上的相对位置和取向，从该第一和第二方向可以确定两个构件在包含两个方向的平面中的相对取向。 在接收电路中感应的信号也可以被处理以给出两个电路之间的间隙的指示并且提供两个构件的完全相对取向的指示。

    Optical assay technique
    9.
    发明授权
    Optical assay technique 失效
    光学测定技术

    公开(公告)号：US4931384A

    公开(公告)日：1990-06-05

    申请号：US643141

    申请日：1984-10-17

    申请人： Derek G. Layton ,  Alan M. Smith ,  John H. Fisher ,  Robert M. Pettigrew ,  Satham Petty-Saphon

    发明人： Derek G. Layton ,  Alan M. Smith ,  John H. Fisher ,  Robert M. Pettigrew ,  Satham Petty-Saphon

    IPC分类号： G01N33/543 ,  C12Q1/00 ,  G01N20060101 ,  G01N21/17 ,  G01N21/21 ,  G01N21/41 ,  G01N21/47 ,  G01N21/75 ,  G01N33/545 ,  G01N33/553

    CPC分类号： G01N21/554 ,  G01N21/7743 ,  G01N33/54373 ,  Y10S435/805 ,  Y10S435/808 ,  Y10S436/805 ,  Y10S436/81

    摘要： An assay technique for qualitative and quantitative detection of a chemcial, biochemical or biological detection of a chemical, biochemical or biological species in sample. The technique comprises (a) coating at least a predetermined part of a pre-formed surface on a substrate with a thin film of a material capable of binding the species to be assayed, the pre-formed surface being optically active with respect to radiation at least over a predetermined band of wavelengths; (b) contacting the coated surface with sample; and (c) observing the optical properties of said pre-formed surface in order to determine a qualitative and quantitative change in optical properties as a result of the binding of the species onto said thin film of material. The optical properties of the pre-formed surface may be observed before and after step (b) in order to determine any change in optical properties, or they may be monitored during step (b). The pre-formed surface is preferably a grating. An article for use in the above technique is also disclosed, and comprises a substrate carrying said pre-formed surface which in turn is coated with the respective material for the species to be assayed.

    摘要翻译： 用于定性和定量检测样品中化学，生物化学或生物物种的化学，生化或生物检测的测定技术。 该技术包括（a）使用能够结合被测定物质的材料的薄膜将至少预定部分的预成形表面涂覆在基底上，预成形表面相对于辐射处于光学活性 至少在预定的波长带上; （b）使涂覆的表面与样品接触; 和（c）观察所述预成形表面的光学性质，以便确定由于物质与所述材料薄膜结合而导致的光学性质的定性和定量变化。 可以在步骤（b）之前和之后观察预成形表面的光学性质，以便确定光学性能的任何变化，或者可以在步骤（b）期间监测它们。 预成形表面优选为光栅。 还公开了用于上述技术的制品，并且包括承载所述预成形表面的基底，而所述预成形表面又被待分析物种的相应材料涂覆。