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    • 6. 发明授权
    • Method and apparatus for communicating battery pack information
    • 用于传送电池组信息的方法和装置
    • US6031353A
    • 2000-02-29
    • US30118
    • 1998-02-25
    • Timothy J. BanyasIvan N. Wakefield
    • Timothy J. BanyasIvan N. Wakefield
    • H02J7/02H01M10/46H01M10/48H02J7/00H04B1/38H04B7/26H04M1/73
    • H04B1/3883H02J7/0004
    • Information about a battery pack, such as the battery pack type of the battery pack, is communicated to a recharging device, preferably a wireless communications device such as a cellular telephone, via an information signal generated by the battery pack so that the recharging device may automatically distinguish between a plurality of different battery pack types to identify the type of an attached battery pack. The identification signal may be a repeating type having a fixed frequency between a low voltage level and a high voltage level and a dwell time at the high value. The identification signal is communicated to the recharging device and averaged over time. The averaged identification signal is compared against a reference signal, such as the voltage level of the battery, to determine a ratio therebetween. A logic circuit portion of the recharging device, such as a microprocessor, then identifies the battery pack type of the battery pack based on this ratio by comparing the ratio to one or more predetermined values where each of the predetermined values is associated with a battery pack type. Based on the battery pack type identified, the recharging device adjusts its charging profile or otherwise optimizes its operational characteristics. Further, the identification may instead be based on some characteristic of the identification signal itself, such as duty cycle or time at a particular voltage level. In addition, the identification signal may be continuously generated or may be generated periodically, or for some short period of time following certain events such a power-up or battery pack changeover. In some embodiments, the identification signal may contain additional or alternative information concerning the battery pack such as an indication of the number of recharge cycles the battery pack has been through.
    • 关于诸如电池组的电池组类型的电池组的信息经由电池组产生的信息信号传送到充电装置,优选地诸如蜂窝电话的无线通信装置,使得充电装置可以 自动区分多个不同的电池组类型以识别附接的电池组的类型。 识别信号可以是在低电压电平和高电压电平之间具有固定频率的重复类型,并且在高值处具有停留时间。 识别信号被传送到充电装置并随时间求平均值。 将平均的识别信号与诸如电池的电压电平的参考信号进行比较,以确定它们之间的比例。 充电装置的逻辑电路部分,例如微处理器,然后通过将比率与一个或多个预定值进行比较来识别电池组的电池组类型,其中每个预定值与电池组相关联 类型。 基于所识别的电池组类型,充电装置调整其充电曲线或以其它方式优化其操作特性。 此外,识别可以代替地基于识别信号本身的某些特性,例如在特定电压电平下的占空比或时间。 此外,可以连续生成识别信号或者可以周期性地生成识别信号,或者在诸如上电或电池组切换的某些事件之后的一些短时间段内生成识别信号。 在一些实施例中,识别信号可以包含关于电池组的附加或备选信息,例如电池组已经通过的再充电次数的指示。
    • 7. 发明授权
    • Multi-rate charger with auto reset
    • 带自动复位功能的多速率充电器
    • US5986433A
    • 1999-11-16
    • US183401
    • 1998-10-30
    • James C. PeeleIvan N. Wakefield
    • James C. PeeleIvan N. Wakefield
    • H02J7/00H01M10/44H01M10/46
    • H02J7/0036H02J7/0003
    • A multi-rate charging circuit includes charging electronics adapted to condition power received from a power source according to operational settings for one or more charge parameters. A plurality of user-selectable charge sets each include settings for one or more of the charge parameters and one of the charge sets is designated as the current default charge set. The charging electronics assume the settings of the default charge set upon power-up, thereafter the user may select an alternative charge set if so desired. A trigger monitor, such as a current level sensor, monitors for the occurrence of a trigger event, such as low current flow associated with the removal of a battery pack, and generates a reset signal in response thereto. The reset signal causes the charging electronics to automatically assume the settings represented by the current default charge set for its operational settings. Thus, upon the occurrence of a triggering event, the charging electronics reverts to (or continues, as appropriate) the default charge set settings. Accordingly, the charging circuit automatically charges each battery pack according to the default settings unless the governing charge set is changed by the user after that battery pack is connected to the charging electronics.
    • 多速率充电电路包括充电电子器件,其适于根据一个或多个充电参数的操作设置来调节从电源接收的功率。 多个用户可选择的充电组包括一个或多个充电参数的设置,并且将一个充电组指定为当前的默认充电组。 充电电子设备在上电时采取默认充电设置,此后如果需要,用户可以选择另一个充电组。 诸如当前电平传感器的触发监视器监视触发事件的发生,例如与电池组的移除相关联的低电流,并响应于此产生复位信号。 复位信号使得充电电子设备自动承担由其操作设置的当前默认充电设置所表示的设置。 因此,在发生触发事件时,充电电子装置将恢复(或适当地继续)默认充电设置设置。 因此,充电电路根据默认设置自动对每个电池组进行充电,除非在电池组连接到充电电子装置之后用户改变管理电荷设置。