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    • 4. 发明授权
    • Intelligent auxiliary cooling system
    • 智能辅助冷却系统
    • US06842718B2
    • 2005-01-11
    • US10359203
    • 2003-02-06
    • Douglas S. ByrdThomas R. AndersonFrancis E. RicardKen Lambach
    • Douglas S. ByrdThomas R. AndersonFrancis E. RicardKen Lambach
    • H01F27/10H02H7/04G06F19/00G05D23/00
    • H02H7/04H01F27/10
    • A portable auxiliary cooling system for cooling electrical power transformers is provided with an intelligent controller that is programmable for functioning in a plurality of different operational modes. A plurality of sensors monitor cooling system equipment operation, transformer top oil temperature and transformer current. The cooling system controller includes a user-interface panel, a modem and/or other digital communications circuitry, data storage memory and a computer or microprocessor that performs real-time heat removal rate computations and automatically controls heat pump and fan operation in response to the computed results. System performance data, sensor readings and alarm condition indications are indicated on a user-interface panel and may also be provided to a remote station or operator using conventional digital communication facilities.
    • 提供了一种用于冷却电力变压器的便携式辅助冷却系统,其具有可编程以在多种不同操作模式中工作的智能控制器。 多个传感器监控冷却系统设备运行,变压器顶部油温和变压器电流。 冷却系统控制器包括用户接口面板,调制解调器和/或其他数字通信电路,数据存储器和执行实时除热速率计算的计算机或微处理器,并且响应于该功能而自动控制热泵和风扇操作 计算结果。 系统性能数据,传感器读数和报警条件指示在用户界面面板上指示,也可以使用常规数字通信设备提供给远程站或操作员。
    • 5. 发明授权
    • Subranging analog-to-digital converter with multiplexed input amplifier
isolation circuit between subtraction node and LSB encoder
    • 在减法节点和LSB编码器之间,将具有多路输入放大器隔离电路的模数转换器放在一起
    • US4763107A
    • 1988-08-09
    • US83738
    • 1987-08-07
    • Myron J. KoenThomas R. AndersonJoel M. Halbert
    • Myron J. KoenThomas R. AndersonJoel M. Halbert
    • H03M1/14G11C27/02H03M1/00H03M1/34
    • G11C27/026H03M1/1071H03M1/16H03M1/361H03M1/785
    • A 12 bit, 10 megahertz subranging analog-to-digital converter produces a sampled analog input signal. The sampled analog signal is converted by an MSB flash encoder to a 7 bit MSB word that is converted to an analog signal by a 7 bit DAC having 14 bit accuracy. The result is subtracted from the sample analog signal to produce a residue signal by means of a high speed amplifier having first and second multiplexed differential input stages, the first input stage having differential inputs receiving the sampled analog input signal and the analog signal produced by the 7 bit DAC. The second differential input stage has one input connected to ground and the other input resistively coupled to the output of the high speed amplifier. The output of the high speed amplifier is resistively coupled to the second input of the first and second differential stages. The multiplexed input high speed amplifier produces an intermediate input level until the output of the DAC is stable. Amplifying of the residue signal then begins from a balanced amplifier condition, and avoids delays that might result from an initial overdriven amplifier condition.
    • 一个12位,10兆赫兹子模拟数字转换器产生采样的模拟输入信号。 采样的模拟信号由MSB闪存编码器转换为7位MSB字,通过具有14位精度的7位DAC转换为模拟信号。 从采样模拟信号中减去结果,借助具有第一和第二多路复用差分输入级的高速放大器产生残留信号,第一输入级具有接收采样的模拟输入信号的差分输入和由 7位DAC。 第二差分输入级具有一个输入连接到地,而另一个输入电阻耦合到高速放大器的输出端。 高速放大器的输出电阻耦合到第一和第二差分级的第二输入端。 多路输入高速放大器产生中间输入电平,直到DAC的输出稳定。 剩余信号的放大然后从平衡放大器状态开始,并且避免可能由初始过驱动放大器条件引起的延迟。
    • 7. 发明授权
    • Sails and sailing vessels
    • 帆船和帆船
    • US4703707A
    • 1987-11-03
    • US851216
    • 1986-04-14
    • Thomas R. Anderson
    • Thomas R. Anderson
    • B63H9/06
    • B63H9/0607
    • A sail assembly comprising a mast, spaced apart lateral upper and a lower elongated members fixed to the mast, a track joining first ends of the upper and lower members, two panels of sail material one to each side of the mast connected to the track by runners to allow the sail panels to be furled, sail battens mounted in pockets in the two sail panels with the forward ends of the sail battens retained to resist longitudinal compressive forces when applied to the battens to induce a bend therein, battens in the respective sail panels are aligned to provide batten pairs with the rear ends of the battens of each pair where they project from the batten pockets interconnected but relatively movable, and a line and pulley arrangement longitudinal compressive force to the sail battens at a location remote from the forward ends thereof.
    • 一种帆组件,包括桅杆,间隔开的侧向上部和固定到桅杆的下部细长构件,将上部和下部构件的第一端连接的轨道,两个帆板材料板,通过连接到轨道的桅杆的每一侧连接到轨道 跑步者允许帆板被卷起,帆形板条安装在两个帆板中的口袋中,其中保持帆风门板的前端以抵抗纵向压缩力,当施加到板条上以引起其中的弯曲时,相应的帆 面板被对准以提供与每对的板条的后端的板条对,其中它们从相互连接但相对可移动的板条袋突出,并且线和滑轮装置在远离前端的位置处对帆板条进行纵向压缩力 其中。
    • 8. 发明授权
    • Automatic reference voltage trimming technique
    • 自动参考电压调整技术
    • US07433790B2
    • 2008-10-07
    • US11145906
    • 2005-06-06
    • Thomas R. AndersonWilliam CastellanoScott C. McLeod
    • Thomas R. AndersonWilliam CastellanoScott C. McLeod
    • G01D21/00
    • G01R31/31703G01R31/3167
    • In one set of embodiments, trimming of a reference, which may be a bandgap reference and which is configured on an integrated circuit, may be controlled by an algorithm executed by logic circuitry also configured on the integrated circuit. The bandgap reference may be configured to generate a reference voltage provided to an analog to digital converter (ADC) comprised in a temperature sensor that may also be configured on the integrated circuit. The logic circuitry may be configured to execute one or more of a variety of test algorithms, for example a Successive Approximation Method or remainder processing, that are operable to adjust values of reference trim bits used in trimming the bandgap reference. A tester system configured to perform testing of the integrated circuit may initiate execution of the test algorithm, thereby initiating the trimming process, and may wait for the test algorithm to complete within a previously defined amount of time, or may poll the logic circuitry to determine when the trimming process is complete.
    • 在一组实施例中,可以通过由集成电路上也配置的逻辑电路执行的算法来控制可以是带隙基准并且在集成电路上配置的参考的修整。 带隙基准可以被配置为产生提供给也可以在集成电路上配置的温度传感器中的模数转换器(ADC)的参考电压。 逻辑电路可以被配置为执行各种测试算法中的一个或多个,例如连续逼近方法或余数处理,其可操作以调整在修整带隙基准中使用的参考修整位的值。 配置为执行集成电路的测试的测试器系统可以启动测试算法的执行,从而启动修剪过程,并且可以等待测试算法在先前定义的时间量内完成,或者可以轮询逻辑电路以确定 修剪过程完成。
    • 9. 发明授权
    • Programmable ideality factor compensation in temperature sensors
    • 温度传感器可编程理想因子补偿
    • US07140767B2
    • 2006-11-28
    • US10979437
    • 2004-11-02
    • Scott C. McLeodThomas R. AndersonSteven BursteinLeonid A. Bekker
    • Scott C. McLeodThomas R. AndersonSteven BursteinLeonid A. Bekker
    • G01K19/00G01K7/00
    • G01K1/028G01K7/01
    • A temperature sensor circuit and system providing accurate readings using a temperature diode whose ideality factor may fall within a determined range. In one set of embodiments a change in diode junction voltage (ΔVBE) proportional to the temperature of the diode is captured and provided to an ADC, which may perform required signal conditioning functions on ΔVBE, and provide a numeric value output corresponding to the temperature of the diode. Errors in the measured temperature that might result from using diodes with ideality factors that differ from an expected ideality factor may be eliminated by programming the system to account for differing ideality factors. The gain of the temperature sensor may be matched to the ideality factor of the temperature diode by using an accurate, highly temperature stable reference voltage of the ADC to set the gain of the temperature measurement system. The reference voltage may have a trim capability to change the gain setting voltage by a digital address comprising a determined number of bits, with the programmable range for the reference voltage corresponding to a determined range of ideality factors.
    • 温度传感器电路和系统使用温度二极管提供精确的读数,其理想因素可能落在一个确定的范围内。 在一组实施例中,与二极管的温度成比例的二极管结电压(DeltaV BAT)的变化被捕获并提供给ADC,ADC可以在DeltaV BE上执行所需的信号调节功能 并且提供对应于二极管的温度的数值输出。 可能通过对系统进行编程以解决不同的理想因素,消除可能由使用具有理想因素而不同于预期理想因素的二极管产生的测量温度的误差。 通过使用ADC的精确,高度温度稳定的参考电压来设置温度测量系统的增益,温度传感器的增益可以与温度二极管的理想系数匹配。 参考电压可以具有修整能力,以通过包括确定数量的位的数字地址来改变增益设置电压,其中参考电压的可编程范围对应于所确定的理想因素范围。