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    • 1. 发明授权
    • Power interrupt device with remote activity detector
    • 具有远程活动检测器的电源中断装置
    • US5548764A
    • 1996-08-20
    • US56112
    • 1993-04-30
    • Raymond S. DuleyAshfaq R. Khan
    • Raymond S. DuleyAshfaq R. Khan
    • G09F9/00G06F1/32
    • G06F1/3209G06F1/3231G06F1/3265G09G2330/021Y02B60/1242Y02B60/1289
    • A power interrupt device for detecting activity remote from the detector and/or device and for producing a signal capable of interrupting power to a load, such as an electronic display. The detector can sense remote activity, and the activity or associated object need not contact the detector. Depending upon whether the activity is present or not present, the detector and associated interrupt circuitry can turn on or off a power load device such as an electronic display. The power interrupt device is well suited for turning off an electronic display when a user is no longer in the room or working area. The computer can remain running, however, the associated display can be remotely turned off to reduce the amount of heat dissipated from the display during periods when the user is not present.
    • 一种电力中断装置,用于检测远离检测器和/或装置的活动,并用于产生能够中断诸如电子显示器的负载的电力的信号。 检测器可以感测远程活动,并且活动或相关对象不需要接触检测器。 根据活动是否存在,检测器和相关联的中断电路可以打开或关闭诸如电子显示器的功率负载装置。 电源中断装置非常适合在用户不在室内或工作区域时关闭电子显示屏。 计算机可以保持运行,然而,可以远程关闭相关联的显示器,以减少在用户不存在期间从显示器消散的热量。
    • 2. 发明授权
    • Auxiliary battery charge control circuit
    • 辅助电池充电控制电路
    • US5668463A
    • 1997-09-16
    • US279294
    • 1994-07-22
    • Raymond S. Duley
    • Raymond S. Duley
    • H02J7/02H01M10/44H01M10/46H02J7/00H02J7/10
    • H01M10/46H02J7/0054Y10T307/625
    • A circuit is provided for controlling charge (or discharge) of an auxiliary battery using an auxiliary battery charge control circuit of improved design. The auxiliary battery charge control circuit is coupled between an auxiliary battery and a main battery for regulating charge and discharge of the auxiliary battery. The auxiliary battery control circuit includes a pair of voltage dividers coupled between ground potential and the main battery, and a pair of comparators having a mutually connected output. The inputs of the pair of comparators are connected to a reference voltage and the pair of voltage dividers. The output of the comparators is connected to a switch transistor, and the switch transistor modulates a battery connected transistor coupled between the main battery and the auxiliary battery. When the main battery voltage exceeds a maximum voltage level or is less than a minimum voltage level, then the comparators turn off the switch transistor, and the switch transistor correspondingly turns off the battery connected transistor causing disconnect of the main battery from the auxiliary battery. Conversely, if the main battery voltage is between the upper and lower voltage limits, then comparator output will cause switch transistor and battery connect transistor to turn on thereby connecting main battery to the auxiliary battery. A reference voltage and resistor values within voltage divider networks are chosen according to user-defined application for setting the upper and lower voltage limits necessary for connecting or disconnecting auxiliary battery from main battery.
    • 提供用于使用改进设计的辅助电池充电控制电路来控制辅助电池的充电(或放电)的电路。 辅助电池充电控制电路耦合在辅助电池和用于调节辅助电池的充电和放电的主电池之间。 辅助电池控制电路包括耦合在地电位和主电池之间的一对分压器,以及具有相互连接的输出的一对比较器。 一对比较器的输入端连接到参考电压和一对分压器。 比较器的输出连接到开关晶体管,并且开关晶体管调制耦合在主电池和辅助电池之间的电池连接的晶体管。 当主电池电压超过最大电压电平或小于最小电压电平时,比较器关闭开关晶体管,并且开关晶体管相应地关闭电池连接的晶体管,导致主电池与辅助电池断开。 相反,如果主电池电压在上限和下限电压之间,则比较器输出会导致开关晶体管和电池连接晶体管导通,从而将主电池连接到辅助电池。 分压器网络中的参考电压和电阻值根据用户定义的应用选择,用于设置将主电池连接或断开辅助电池所需的上限和下限电压。
    • 3. 发明授权
    • Clock conditioning circuit for microprocessor applications
    • 微处理器应用的时钟调理电路
    • US5561389A
    • 1996-10-01
    • US296023
    • 1994-08-25
    • Raymond S. Duley
    • Raymond S. Duley
    • G06F1/04H03K17/22H03K17/284
    • H03K17/284G06F1/04H03K17/22
    • A microprocessor clocking system is provided for achieving attenuation of a clock signal sent to a microprocessor during initial activation of a connected power supply. By attenuating the clock signal during initial turn-on of the power supply, the clock input to the microprocessor is prevented from erroneous triggering and improper operation. After a delay period has expired, the clock signal is allowed to input directly to the microprocessor input. The delay period is determined as a time exceeding normal spurious noise conditions found on the power supply during initial activation. The microprocessor clocking system includes a clock conditioning circuit configured between a clock signal output of a core logic unit and the clock signal input to a microprocessor. The clock conditioning circuit utilizes a turn-on circuit and a delay circuit coupled to the power supply voltage. The turn-on circuit and delay circuit are both connected to an attenuator, and the attentuator functions to attenuate the clock signal during initial power supply activation.
    • 提供了微处理器计时系统,用于在连接的电源的初始激活期间实现发送到微处理器的时钟信号的衰减。 通过在电源的初始接通期间衰减时钟信号,防止输入到微处理器的时钟发生错误触发和不正确的操作。 延迟时间到期后,允许时钟信号直接输入微处理器输入。 延迟时间被确定为在初始激活期间超过在电源上发现的正常杂散噪声条件的时间。 微处理器计时系统包括配置在核心逻辑单元的时钟信号输出和输入到微处理器的时钟信号之间的时钟调理电路。 时钟调理电路使用与电源电压耦合的导通电路和延迟电路。 导通电路和延迟电路都连接到衰减器,并且注意器用于在初始电源激活期间衰减时钟信号。
    • 4. 发明授权
    • Multiplexed scan display circuit
    • 多路复用扫描显示电路
    • US4262292A
    • 1981-04-14
    • US95766
    • 1979-11-19
    • Raymond S. Duley
    • Raymond S. Duley
    • G09G3/14G06F3/14
    • G09G3/14
    • A circuit for controlling the updating of a display in which selected characters are displayed at selected positions therein. The circuit includes a memory unit having a plurality of addresses thereto and a processor for writing character data in the memory unit at the addresses, with the addresses corresponding to predetermined positions in the display. The memory unit also has a plurality of outputs which are operatively coupled to the display to enable the display to generate characters corresponding to the associated character data at selected positions in the display when the addresses are selected. The circuit also includes a counter unit which is specially wired for selecting the addresses for the characters to be displayed, and also for selecting the positions at which the characters are displayed. A control circuit enables either the processor or the counter unit to address the memory unit.
    • 一种用于控制显示器更新的电路,其中所选择的字符被显示在其中的选定位置处。 电路包括具有多个地址的存储器单元和用于在地址处将字符数据写入存储器单元中的处理器,其中地址对应于显示器中的预定位置。 存储器单元还具有可操作地耦合到显示器的多个输出,以使得显示器能够在选择地址时在显示器中的选定位置产生与相关联的字符数据相对应的字符。 电路还包括专门用于选择要显示的字符的地址的计数器单元,并且还用于选择显示字符的位置。 控制电路使得处理器或计数器单元能够寻址存储器单元。
    • 5. 发明授权
    • Duct processor cooling for personal computer
    • 个人电脑的管道处理器散热
    • US6113485A
    • 2000-09-05
    • US999807
    • 1997-11-26
    • Terrance M. MarquisRaymond S. Duley
    • Terrance M. MarquisRaymond S. Duley
    • G06F1/20H05K7/20
    • G06F1/20
    • A system for the cooling of integrated circuits and, more particularly, for the use of cooling ducts alone or in combination with cooling fans to lower the temperature of integrated circuits. The cooling duct substantially surrounds the integrated circuit. Cooling air may be convectively conducted through the duct to the integrated circuit. Alternatively the cooling air is preferably conducted through the duct to the integrated circuit by at least one cooling fan. Additional cooling fans may be placed within the duct or on the exterior of the duct. The duct may extend through the computer case, communicating with air outside the case. Alternatively, the fans may blow the heated air from the duct outside of the computer case.
    • 一种用于冷却集成电路的系统,更具体地,用于单独使用冷却管道或与冷却风扇组合以降低集成电路的温度。 冷却管道基本上围绕集成电路。 冷却空气可以通过导管对流地传导到集成电路。 或者,冷却空气优选地通过至少一个冷却风扇通过管道传导到集成电路。 额外的冷却风扇可以放置在管道内或管道的外部。 管道可以延伸穿过计算机外壳,与壳体外部的空气通信。 或者,风扇可以将来自计算机外壳外部的管道的加热空气吹。
    • 7. 发明授权
    • Processor local bus frequency detection circuit
    • 处理器本地总线频率检测电路
    • US5894232A
    • 1999-04-13
    • US806430
    • 1997-02-26
    • Raymond S. Duley
    • Raymond S. Duley
    • G01R23/02
    • G01R23/02
    • One or more detection circuits are provided for determining the operation of a motherboard prior to placing a microprocessor upon that motherboard. The detection circuit determines a particular way in which the motherboard is configured by ascertaining, for example, a power supply voltage and a clocking frequency output from the motherboard. A probe is used, in combination with the detector circuits, to determine motherboard operation at a socket to which, for example, a microprocessor can be coupled. Jumpers or switches upon the motherboard can be readily found by activating a switch and looking for a response upon the detection circuit output. If a response is not found, the jumper or switch is returned, and another jumper or switch is activated. Once the jumper or switch used for changing system clock speed and/or processor voltage is located, then a display is read as to those parameters to ensure the parameters match the processor specification. Reading the motherboard configuration and/or reconfiguring the motherboard to a different operation parameter proves beneficial in ensuring its output compatibility to a microprocessor to be inserted upon the motherboard socket.
    • 提供一个或多个检测电路用于在将微处理器放置在该主板之前确定主板的操作。 检测电路通过确定例如从母板输出的电源电压和时钟频率来确定主板被配置的特定方式。 与检测器电路组合使用探针来确定在例如微处理器可耦合的插座处的母板操作。 通过激活开关并在检测电路输出上寻找响应,可以容易地找到主板上的跳线或开关。 如果没有找到响应,则返回跳线或开关,并激活另一个跳线或开关。 一旦用于更改系统时钟速度和/或处理器电压的跳线或开关位于此处,则会读取这些参数的显示,以确保参数与处理器规格相匹配。 读取主板配置和/或将主板重新配置为不同的操作参数证明有益于确保其输出与微处理器的兼容性以插入主板插槽。
    • 8. 发明授权
    • Analog-to-digital converter circuit
    • 模数转换电路
    • US4323886A
    • 1982-04-06
    • US193992
    • 1980-10-06
    • Raymond S. Duley
    • Raymond S. Duley
    • H03M1/00H03K13/20
    • H03M1/60
    • A circuit for generating a digital output signal from an analog input signal applied to the circuit, including: first and second capacitors; first means including a switching transistor for charging the first and second capacitors whereby the transistor switches the first capacitor out of the first charging means when a voltage across the first capacitor approaches the voltage of the analog input signal; and a comparison means including a comparator having first and second inputs thereto and an output therefrom. A second means is also included for supplying a first predetermined voltage to the first input which generates a first state at the output of the comparator, the first charging means also being effective to raise the voltage level at the second input after the first capacitor is switched out of the first charging means by charging said second capacitor to cause comparator to switch to a second state. A third means responsive to the second state of the comparator is included for supplying a second predetermined voltage to the first input and also for partially discharging the second capacitor alone and thereafter at least partially discharging the first and second capacitors together so that the output of the comparator toggles or switches back to the first state. The output of the comparator toggles between the first and second states at a frequency which is dependent upon the voltage of the analog input signal.
    • 一种用于从施加到电路的模拟输入信号产生数字输出信号的电路,包括:第一和第二电容器; 第一装置包括用于对第一和第二电容器充电的开关晶体管,由此当第一电容器两端的电压接近模拟输入信号的电压时,晶体管将第一电容器切换出第一充电装置; 以及比较装置,其包括具有第一和第二输入的比较器及其输出。 还包括第二装置,用于向在比较器的输出端产生第一状态的第一输入端提供第一预定电压,第一充电装置还有效地在第一电容器切换之后升高第二输入端的电压电平 通过对所述第二电容器充电以使比较器切换到第二状态,从第一充电装置出来。 包括响应于比较器的第二状态的第三装置,用于将第二预定电压提供给第一输入,并且还用于单独地部分地放电第二电容器,此后至少部分地将第一和第二电容器放电在一起,使得输出 比较器切换或切换回第一个状态。 比较器的输出以取决于模拟输入信号的电压的频率在第一和第二状态之间切换。
    • 10. 发明授权
    • Battery charge indicator
    • 电池充电指示灯
    • US5614807A
    • 1997-03-25
    • US279503
    • 1994-07-22
    • Raymond S. Duley
    • Raymond S. Duley
    • G01R19/165G01R31/36H02J7/00H02J7/04
    • G01R19/16542Y10S320/21
    • A low-cost battery charge indicator is provided which is capable of indicating a quantity of charge upon a battery or battery pack. The charge indicator includes positive and negative battery terminals and a charge gauge circuit mounted within a battery pack or a battery-powered electronic device. The positive and negative terminals are adapted to receive a battery and to test the battery charge within the battery during times in which the charge gauge circuit is active. Activation of the charge gauge circuit occurs by depressing a momentary switch coupled between the charge gauge circuit and the battery terminals. Upon activation of the switch, one of three LEDs will emit light informing the user of the state of charge upon the battery or battery pack. The switch remains normally open to avoid current draw from the battery during non-test times.
    • 提供了一种低成本电池充电指示器,其能够指示电池或电池组上的充电量。 充电指示器包括正电池和负电池端子以及安装在电池组或电池供电的电子装置中的电荷计电路。 正极和负极端子适于接收电池,并在电荷计电路处于活动状态的时间内测试电池内的电池电量。 通过按下电荷计电路和电池端子之间的瞬时开关来实现电荷计电路的激活。 在激活开关时,三个LED之一将发光,通知用户电池或电池组的充电状态。 开关保持常开,以避免在非测试时间内从电池中流出电流。