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    • 4. 发明授权
    • Memory exchange
    • 记忆交换
    • US06868505B2
    • 2005-03-15
    • US09924239
    • 2001-08-07
    • Edward Tang Kwai MaStephen N. GriderFrank V. Taylor, IIIJoseph P. GorskiAndrew D. JonesAnn Little
    • Wendell L. Little
    • G06F12/00G06F13/00G06F15/78G08F11/00
    • G06F15/7814
    • Methods, systems, and arrangements enable efficient reprogramming of a memory block of a microcontroller. Two blocks of memory each have a different logical location with respect to a processor of the microcontroller. The first memory may store vector information to be executed by the processor. The second memory may store data information. The logical location of each memory block is dependent on the value of a pre-determined bit in a specified register. When a user wishes to reprogram the contents of the first memory, the user enters new code into the second memory. Upon completion, the value of the pre-determined bit is changed, and the logical locations of the first and second memories are interchanged. In effect, the newly entered code from the second memory is accessed as if it were in the first memory (e.g., from an addressing perspective), and the processor may execute the new program (e.g., after the processor undergoes a system reset).
    • 方法,系统和布置使得能够对微控制器的存储块进行有效的重新编程。 两块存储器相对于微控制器的处理器具有不同的逻辑位置。 第一存储器可以存储要由处理器执行的矢量信息。 第二个存储器可以存储数据信息。 每个存储器块的逻辑位置取决于指定寄存器中预定位的值。 当用户希望重新编程第一存储器的内容时​​,用户将新的代码输入到第二存储器中。 一旦完成,改变预定位的值,并且互换第一和第二存储器的逻辑位置。 实际上,来自第二存储器的新输入的代码被访问,就好像它在第一存储器中(例如,从寻址的角度),并且处理器可以执行新程序(例如,在处理器经历系统复位之后)。
    • 5. 发明申请
    • Battery charger
    • 充电器
    • US20020117993A1
    • 2002-08-29
    • US09973155
    • 2001-10-09
    • Dallas Semiconductor Corporation
    • Donald R. DiasRobert D. Lee
    • H02J007/00
    • G01K7/13H01M10/425H01M10/4257H01M10/48H02J7/0004
    • A battery charger with charging parameter values derived from communication with a battery pack to be charged. Communication is over a one-wire bus with battery pack transmissions in response to charger inquiries. The battery charger may be in the form an integrated circuit driving a power transistor or other controllable DC supply. A battery pack may contain a program with multiple charging currents and charging interval termination methods such as time, temperature rise, and incremental voltage polarity. A lack of communication may be invoke a default charging program or denial of access to the charger. The charger also communicates over a high-speed three-wire bus with an external computer for analysis of identification information acquired from the battery and for control of the charger.
    • 带充电参数值的电池充电器来自与要充电的电池组的通信。 响应充电器查询,通信是通过电池组传输的单线总线。 电池充电器可以是驱动功率晶体管或其他可控直流电源的集成电路。 电池组可以包含具有多个充电电流和充电间隔终止方法的程序,例如时间,温度升高和增加的电压极性。 缺乏通信可能会引起默认的计费程序或拒绝访问充电器。 充电器还通过高速三线总线与外部计算机进行通信,用于分析从电池获取的识别信息和控制充电器。
    • 9. 发明授权
    • Auto zero circuitry and associated method
    • 自动归零电路及相关方法
    • US6011417A
    • 2000-01-04
    • US153747
    • 1998-09-15
    • William Richard EzellRobert Mounger
    • William Richard EzellRobert Mounger
    • H03F3/45H03K5/24H03F1/02
    • H03F3/45183H03F3/45771H03K5/2481H03F2203/45674H03F2203/45726
    • A circuit and associated method for determining the offset bias of a comparator by first shorting together the inputs of the comparator to apply the same voltage signal at each of the inputs of the comparator. The voltage signal at one of the inputs is then offset a select amount by applying varying selected resistances from a variable resistor to the comparator. The variable resistor is controlled by a programmable controller that is responsive to an input clock signal. At each selected amount of offset applied to the input, the output is monitored to determine if the output of the comparator has flipped, or changed state. When the output flips, the corresponding resistance setting is used to compensate for the corresponding offset bias of the comparator.
    • 一种用于通过首先使比较器的输入短路以在比较器的每个输入处施加相同的电压信号来确定比较器的偏移偏置的电路和相关联的方法。 然后通过从可变电阻器向比较器施加不同的选择的电阻,在一个输入端的电压信号被偏移选择量。 可变电阻由可响应于输入时钟信号的可编程控制器控制。 在每个选定的偏移量应用于输入时,监视输出以确定比较器的输出是否翻转或改变状态。 当输出翻转时,相应的电阻设置用于补偿比较器的相应偏移偏置。