中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

7 records (took 0.011 seconds)

    Postacquired spectrophotometers
    2.
    发明授权
    Postacquired spectrophotometers 失效
    后检测分光光度计

    公开(公告)号：US5386295A

    公开(公告)日：1995-01-31

    申请号：US005321

    申请日：1993-01-15

    Applicant: Steven C. Switalski ,  David S. Uerz ,  Alan J. Lowne ,  James R. Sandifer ,  Hsue-Yang Liu

    Inventor： Steven C. Switalski ,  David S. Uerz ,  Alan J. Lowne ,  James R. Sandifer ,  Hsue-Yang Liu

    IPC: G01J1/44 ,  G01J3/08 ,  G01J3/28 ,  G01J3/51 ,  G01N21/31 ,  G01N21/35 ,  G02B26/04 ,  G01J3/02 ,  G01N21/64 ,  G01N21/65

    CPC classification number: G01J3/42 ,  G01J3/02 ,  G01J3/0218 ,  G01J3/0232 ,  G01J3/0235 ,  G01J3/0289 ,  G01J3/08 ,  G01J3/44 ,  G01N21/314 ,  G02B26/04 ,  G01J2001/4242 ,  G01J2003/1213 ,  G01J2003/2866 ,  G01N2021/3133 ,  G01N2021/3159 ,  G01N2021/3174 ,  G01N2021/4742 ,  G01N21/359 ,  G01N2201/0826 ,  G01N2201/1283

    Abstract: A postacquired spectrophotometer, for use with a sample and reference. The spectrophotometer has a filter unit, defining an axis of movement, and pluralities of designated sites and dark sites disposed in uniform relation to the axis. The designated and dark sites are disposed in alternation. Alternating designated sites have apertures and filters covering the apertures. Further, a main member, coaxial with the filter unit, has sample and reference beam paths, which are intersected by the sites. The main member has disposed, in operative relation to the actuators, an actuator sensor, which generates an integration actuator signal upon alignment with each integration actuator and a clamping actuator signal upon alignment with each clamping actuator. Moreover, a drive continuously moves the filter unit relative to the axis and beam paths. Further, a light distribution system directs light separately from the sample and reference to respective beam paths, and then to a detector, which produces a detector signal responsive to light received. Finally, means for processing the signals is provided, including a clamping circuit, integrators, and a demultiplexer.

    Abstract translation: 一个采用分光光度计的分光光度计，用于样品和参考。 分光光度计具有限定运动轴线的过滤器单元以及与轴线均匀关系地设置的多个指定位置和暗点。 指定的和黑暗的地点交替处置。 交替指定的位置具有覆盖孔的孔和过滤器。 此外，与过滤器单元同轴的主构件具有与位置相交的样品和参考光束路径。 主构件以致动器的方式相对于致动器设置致动器传感器，其在与每个积分致动器对准时产生积分致动器信号，并且在与每个夹紧致动器对准时产生夹紧致动器信号。 此外，驱动器相对于轴和梁路连续地移动过滤单元。 此外，配光系统将光从样品分开引导并参考各个光束路径，然后引导到检测器，该检测器响应于所接收的光产生检测器信号。 最后，提供用于处理信号的装置，包括钳位电路，积分器和解复用器。

    Method of preparing silver-doped vanadium pentoxide antistatic agent
    3.
    发明授权
    Method of preparing silver-doped vanadium pentoxide antistatic agent 失效
    制备掺银五氧化二钒抗静电剂的方法

    公开(公告)号：US06503468B1

    公开(公告)日：2003-01-07

    申请号：US10042617

    申请日：2002-01-09

    Applicant: James R. Sandifer ,  David S. Uerz

    Inventor： James R. Sandifer ,  David S. Uerz

    IPC: C01G3102

    CPC classification number: C01G31/00 ,  C01G31/02 ,  C01P2002/54 ,  C01P2006/40 ,  C01P2006/60 ,  Y10T428/12819

    Abstract: A method of doping vanadium pentoxide with silver comprising the steps of: providing vanadium pentoxide gel providing stable colloidal silver and combining the vanadium pentoxide gel and the colloidal silver at room temperature for a period sufficient for vanadium (+5) to be electrochemically reduced to vanadium (+4) and for silver to be oxidized (+1).

    Abstract translation: 一种掺杂五氧化二钒的方法，包括以下步骤：提供五氧化二钒凝胶，提供稳定的胶态银，并在室温下将五氧化二钒凝胶和胶体银结合一段足以使电解化学还原成钒的钒（+5） （+4）和银被氧化（+1）。

    Method and apparatus for measuring silver ion activity
    4.
    发明授权
    Method and apparatus for measuring silver ion activity 失效
    测量银离子活性的方法和装置

    公开(公告)号：US5456811A

    公开(公告)日：1995-10-10

    申请号：US289075

    申请日：1994-08-11

    Applicant: Stephen J. Edwards ,  James R. Sandifer

    Inventor： Stephen J. Edwards ,  James R. Sandifer

    IPC: G01N27/333 ,  G01N27/38 ,  G01N27/416 ,  G01N27/26

    CPC classification number: G01N27/38

    Abstract: A method of measuring the silver ion activity of a mixed halide solution or dispersion comprises measuring the potential difference between a silver halide coated silver electrode and a reference electrode immersed in the solution or dispersion. Prior to measuring the potential difference an electrical pulse is applied to the silver electrode which in a first phase electrochemically strips the electrode surface and in a second phase electrochemically coats the electrode with a silver halide having the halide ion ratio of the solution or dispersion.

    Abstract translation: 测量混合卤化物溶液或分散体的银离子活性的方法包括测量浸渍在溶液或分散体中的卤化银涂覆的银电极和参比电极之间的电势差。 在测量电位差之​​前，电脉冲被施加到银电极上，该电极在第一阶段电化学剥离电极表面，而在第二阶段中，电化学地将电极涂覆在具有溶液或分散体的卤离子比的卤化银上。

    Variable filter spectrophotometers
    6.
    发明授权
    Variable filter spectrophotometers 失效
    可变过滤分光光度计

    公开(公告)号：US5526121A

    公开(公告)日：1996-06-11

    申请号：US5320

    申请日：1993-01-15

    Applicant: James R. Sandifer ,  David S. Uerz

    Inventor： James R. Sandifer ,  David S. Uerz

    IPC: G01J3/42 ,  G01J1/44 ,  G01J3/08 ,  G01J3/28 ,  G01J3/51 ,  G01N21/31 ,  G01N21/35 ,  G02B26/04 ,  G01N21/25 ,  G01J3/00

    CPC classification number: G01J3/42 ,  G01J3/02 ,  G01J3/0218 ,  G01J3/0232 ,  G01J3/0235 ,  G01J3/0289 ,  G01J3/08 ,  G01J3/44 ,  G01N21/314 ,  G02B26/04 ,  G01J2001/4242 ,  G01J2003/1213 ,  G01J2003/2866 ,  G01N2021/3133 ,  G01N2021/3159 ,  G01N2021/3174 ,  G01N2021/4742 ,  G01N21/359 ,  G01N2201/0826 ,  G01N2201/1283

    Abstract: A variable filter spectrophotometer, for use with sample and reference; has a main member, a filter unit, a drive, a detector, a light distribution system, and a clamping circuit. The main member defines first and second beam paths, which are intersected by the filter unit. The filter unit has filtering and opaque portions. The filter unit is continuously movable relative to the beam paths in a repeating cycle from a first filtering relation in which the filtering portion is interposed in the first beam path and the opaque portion completely blocks the second beam path, to a first dark relation in which both beam paths are blocked, to a second filtering relation in which the filtering portion is interposed in the second beam path and the first beam path is completely blocked, and to a second dark relation in which both beam paths are completely blocked. The filtering portion is variably transmissive along a direction of movement of the filter unit. The drive continuously moves the filter unit relative to the beam paths. The detector produces a signal responsive to light received. The light distribution system directs light separately to and from the sample and reference, to and from the beam paths, and to the detector. The clamping circuit clamps the signal produced by the detector during the filtering relations to the signal produced by the detector during the dark relations.

    Abstract translation: 可变过滤分光光度计，用于样品和参考; 具有主构件，过滤单元，驱动器，检测器，配光系统和钳位电路。 主要部件限定了由过滤器单元相交的第一和第二光束路径。 过滤器单元具有过滤和不透明部分。 过滤器单元可以从第一过滤关系的重复循环中相对于光束路径连续移动，其中过滤部分插入在第一光束路径中，而不透明部分完全阻挡第二光束路径到第一黑暗关系，其中 两个光束路径被阻挡到第二滤波关系，其中滤波部分插入在第二光束路径中并且第一光束路径被完全阻挡，并且到第二暗关系，其中两个光束路径被完全阻挡。 过滤部分沿着过滤器单元的移动方向是可变的。 驱动器相对于光束路径连续地移动滤光单元。 检测器产生响应于接收到的光的信号。 光分配系统将光分别引导到样品和从样品引导，参考和从光束路径引导到检测器。 钳位电路在滤波关系期间将由检测器产生的信号钳位在由暗检测器产生的信号中。

    Planar glass ion-selective electrode
    7.
    发明授权
    Planar glass ion-selective electrode 失效
    平面玻璃离子选择电极

    公开(公告)号：US4282079A

    公开(公告)日：1981-08-04

    申请号：US121080

    申请日：1980-02-13

    Applicant: Jack C. Chang ,  James R. Sandifer

    Inventor： Jack C. Chang ,  James R. Sandifer

    IPC: G01N27/36

    CPC classification number: G01N27/36

    Abstract: A planar glass ion-selective electrode is described comprising an inherently conductive internal reference electrode, a cation-selective glass membrane and means for adhering the reference electrode to the glass membrane. The thickness of the glass membrane is uniform in regions intended for contact with a sample for analysis.The glass electrode is useful in assaying for the presence of sodium, hydrogen, potassium and other cations present in samples such as blood, urine, plasma, and serum.

    Abstract translation: 描述了一种平面玻璃离子选择性电极，其包括固有导电的内部参考电极，阳离子选择性玻璃膜和用于将参考电极粘附到玻璃膜的装置。 在与用于分析的样品接触的区域中，玻璃膜的厚度是均匀的。 玻璃电极可用于测定样品（如血液，尿液，血浆和血清）中存在的钠，氢，钾和其他阳离子的存在。

Patent Agency Ranking