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    • 1. 发明授权
    • White emitting persistent phosphor
    • 白色发光持久荧光粉
    • US08506843B2
    • 2013-08-13
    • US12971569
    • 2010-12-17
    • Alok SrivastavaHolly Ann ComanzoSam CamardelloWilliam W. Beers
    • Alok SrivastavaHolly Ann ComanzoSam CamardelloWilliam W. Beers
    • C09K11/55C09K11/64
    • C09K11/778C09K11/7758C09K11/7797
    • This disclosure features a persistent phosphor having the following formula I: Sra,Cab,BacAl2-m-n-o-pOd:Euy,REz,Bm,Znn,Coo,Scp  I where a and b each range from about 0.3 to about 0.7; c is between about 0 and about 0.1; 0.75≦a+b+c+y+z≦1.3; y is between about 0.0005 and about 0.1; RE is any rare earth element alone or in combination; z is between about 0.0005 and about 0.15; m is between about 0.0005 and about 0.30; n is between about 0 and about 0.10; o is between about 0 and about 0.01; p is between about 0 and about 0.10 and d ranges from about 3.945 to about 4.075. Once the persistent phosphor has been excited it appears white in an absence of ambient light. Also featured is an article of manufacture that includes the phosphor.
    • 本公开的特征在于具有以下式I的持久性荧光体:Sra,Cab,BacAl2-m-n-o-pOd:Euy,REz,Bm,Znn,Coo,ScpI,其中a和b各自为约0.3至约0.7; c在约0和约0.1之间; 0.75 @ a + b + c + y + z @ 1.3; y在约0.0005和约0.1之间; RE是单独或组合的任何稀土元素; z在约0.0005和约0.15之间; m在约0.0005和约0.30之间; n在约0和约0.10之间; o为约0至约0.01; p为约0至约0.10,d为约3.945至约4.075。 一旦持续的荧光体被激发,它在没有环境光的情况下看起来是白色的。 还有一个包括磷光体的制品。
    • 2. 发明授权
    • White persistent phosphor blend or layered structure
    • 白色持久荧光粉共混物或分层结构
    • US08404153B2
    • 2013-03-26
    • US12971504
    • 2010-12-17
    • Holly Ann ComanzoAlok SrivastavaWilliam W. Beers
    • Holly Ann ComanzoAlok SrivastavaWilliam W. Beers
    • C09K11/08
    • C09K11/7774C09K11/663C09K11/7734C09K11/7792
    • This disclosure features a blend, or use together in at least two layers of an article of manufacture, of a first persistent phosphor, a second persistent phosphor and a third phosphor. The first persistent phosphor has a formula I: Cax-y-z-aAaAl2-m-n-o-pOd:Euy,REz,Bm,Znn,Coo,Scp  I where the variables are defined in the disclosure. The second persistent phosphor has a formula II: Srx-y-z-aAaAl14-m-n-o-pOd:Euy,REz,Bm,Znn,Coo,Scp  II where the variables are defined in the disclosure. The third phosphor is a non-persistent phosphor that is excited at a wavelength in a range of 300-500 nm. Also featured is an article of manufacture including the blend or the phosphors present in at least two layers. Once the blend or layered structure comprising the three phosphors has been excited it can appear white in an absence of ambient light.
    • 本公开的特征在于共混物,或者在制品的至少两层中一起使用第一持久荧光体,第二持续荧光体和第三荧光体。 第一持久性荧光体具有式I:Cax-y-z-aAaAl2-m-n-o-pOd:Euy,REz,Bm,Znn,Coo,Scp I,其中变量在本公开中定义。 第二持续荧光体具有式II:Srx-y-z-aAaAl14-m-n-o-pOd:Euy,REz,Bm,Znn,Coo,Scp II,其中变量在本公开中定义。 第三荧光体是在300-500nm范围内的波长下激发的非持久荧光体。 还有一个包括共混物或至少两层中存在的荧光体的制品。 一旦包含三种荧光体的共混物或分层结构已经被激发,它可以在不存在环境光的情况下显现为白色。
    • 3. 发明申请
    • WHITE PERSISTENT PHOSPHOR BLEND OR LAYERED STRUCTURE
    • 白色磷灰石混合或层状结构
    • US20120153226A1
    • 2012-06-21
    • US12971504
    • 2010-12-17
    • Holly Ann COMANZOAlok SrivastavaWilliam W. Beers
    • Holly Ann COMANZOAlok SrivastavaWilliam W. Beers
    • C09K11/80C09K11/79
    • C09K11/7774C09K11/663C09K11/7734C09K11/7792
    • This disclosure features a blend, or use together in at least two layers of an article of manufacture, of a first persistent phosphor, a second persistent phosphor and a third phosphor. The first persistent phosphor has a formula I: Cax-y-z-aAaAl2-m-n-o-pOd:Euy,REz,Bm,Znn,Coo,Scp  I where the variables are defined in the disclosure. The second persistent phosphor has a formula II: Srx-y-z-aAaAl14-m-n-o-pOd:Euy,REz,Bm,Znn,Coo,Scp  II where the variables are defined in the disclosure. The third phosphor is a non-persistent phosphor that is excited at a wavelength in a range of 300-500 nm. Also featured is an article of manufacture including the blend or the phosphors present in at least two layers. Once the blend or layered structure comprising the three phosphors has been excited it can appear white in an absence of ambient light.
    • 本公开的特征在于共混物,或者在制品的至少两层中一起使用第一持久荧光体,第二持续荧光体和第三荧光体。 第一持久性荧光体具有式I:Cax-y-z-aAaAl2-m-n-o-pOd:Euy,REz,Bm,Znn,Coo,Scp I,其中变量在本公开中定义。 第二持续荧光体具有式II:Srx-y-z-aAaAl14-m-n-o-pOd:Euy,REz,Bm,Znn,Coo,Scp II,其中变量在本公开中定义。 第三荧光体是在300-500nm范围内的波长下激发的非持久荧光体。 还有一个包括共混物或至少两层中存在的荧光体的制品。 一旦包含三种荧光体的共混物或分层结构已经被激发,它可以在不存在环境光的情况下显现为白色。
    • 4. 发明授权
    • Method and apparatus for integrating data from external sources into a database system
    • 将数据从外部数据源整合到数据库系统中的方法和装置
    • US08903846B2
    • 2014-12-02
    • US10798545
    • 2004-03-11
    • Alok Srivastava
    • Alok Srivastava
    • G06F7/00G06F17/30
    • G06F17/30557G06F17/30342
    • Techniques used in a relational database system for defining subclasses of built-in classes and thereby achieving columns in database tables which contain polymorphic objects of the built-in classes. The methods for the subclasses are contained in named packages. A table in the database system's schema relates the package name to a storage location managed by the relational database system that contains the compiled code for the package. When a method from the package is invoked, a dynamic linker uses the name and the table to locate the compiled code and then executes the compiled code. One thing that can be done with subclasses is to use a database system to automatically connect a Web user with a server of streaming data. The connection thus established is made by the server of streaming data to the Web user and thus bypasses the database system.
    • 在关系数据库系统中使用的技术,用于定义内置类的子类,从而实现包含内置类的多态对象的数据库表中的列。 子类的方法包含在命名的包中。 数据库系统架构中的表将包名称与关系数据库系统管理的存储位置相关联,该存储位置包含该包的编译代码。 当调用来自包的方法时,动态链接器使用名称和表来定位编译的代码,然后执行编译的代码。 可以用子类完成的一件事是使用数据库系统来自动连接Web用户与流数据的服务器。 由此建立的连接由流数据服务器发送给Web用户,从而绕过数据库系统。
    • 5. 发明授权
    • Waveform generator
    • 波形发生器
    • US08847639B1
    • 2014-09-30
    • US14141466
    • 2013-12-27
    • Alok SrivastavaShrestha Priya
    • Alok SrivastavaShrestha Priya
    • H03B28/00H04L7/04H04L7/00
    • G06F1/0321
    • A waveform generator for providing an analog output signal to a target device includes a look-up-table (LUT) that stores a plurality of binary address values and a digital-to-analog converter (DAC) that generates the analog output signal. The waveform generator receives an input trigger signal from the target device when the target device is ready to receive the analog output signal. The waveform generator generates a synchronized input trigger signal and aligns the analog output signal with the synchronized input trigger signal by reloading the LUT with a binary address value of zero.
    • 用于向目标设备提供模拟输出信号的波形发生器包括存储多个二进制地址值的查找表(LUT)和产生模拟输出信号的数模转换器(DAC)。 当目标设备准备好接收模拟输出信号时,波形发生器从目标设备接收输入触发信号。 波形发生器产生同步输入触发信号,并通过以二进制地址值为零重新加载LUT,将模拟输出信号与同步输入触发信号对准。