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    • 3. 发明授权
    • Apparatus and method for monitoring state of battery
    • 用于监测电池状态的装置和方法
    • US5600566A
    • 1997-02-04
    • US364933
    • 1994-12-28
    • Yong-Sik Park
    • Yong-Sik Park
    • G01R31/36H01M10/48H02J7/00H02J7/04
    • G01R31/3624G01R31/3648H02J7/0013H02J7/0021G01R31/3658Y02T10/7055Y10S320/21
    • An apparatus and a method for monitoring the state of a battery are disclosed in which a micro-processor is used to accurately measure the current state of a battery used for supplying electric power in electric automobiles and the like. The present invention includes: a plurality of passive modules with a micro-processor installed thereon for measuring the charge state of respective batteries; an active module for measuring the overall state of the batteries and for supervising the respective passive modules; and serial lines for connecting the passive modules and the active module. The passive modules compute the charge/discharge states of the respective batteries within certain time intervals to record the data into an internal RAM. The active module measures the overall charge/discharge state of the total batteries within certain time intervals, and receives the data on the charge/discharge states of the individual batteries through the serial communications. Then the active module compares these data to compute the overall battery residual capacity. With the present invention, the maintenance and wiring are easy to implement, and the exact time for charging the batteries can be known, thereby extending the life expectancy of the batteries.
    • 公开了一种用于监视电池状态的装置和方法,其中使用微处理器来精确地测量用于在电动汽车等中提供电力的电池的当前状态。 本发明包括:安装有微处理器的多个无源模块,用于测量各个电池的充电状态; 用于测量电池的总体状态并用于监视各个被动模块的有源模块; 以及用于连接被动模块和有源模块的串行线路。 被动模块在一定时间间隔内计算各个电池的充电/放电状态,将数据记录到内部RAM中。 有源模块在一定的时间间隔内测量总电池的总体充电/放电状态,并通过串行通信接收各个电池的充电/放电状态数据。 然后,有源模块比较这些数据以计算总体电池剩余容量。 利用本发明,维护和布线易于实现,并且可以知道对电池充电的确切时间,从而延长了电池的预期寿命。
    • 6. 发明授权
    • Optical disk with a non-volatile memory, optical disk unit, and control method for the optical disk unit
    • 具有非易失性存储器的光盘,光盘单元以及用于光盘单元的控制方法
    • US06317392B1
    • 2001-11-13
    • US09084305
    • 1998-05-26
    • Sang-Jin LeeYong-Sik Park
    • Sang-Jin LeeYong-Sik Park
    • G11B1722
    • G11B17/056G11B7/24G11B23/0021G11B23/30
    • An optical disk is provided including a read only memory region formed on one surface of the optical disk and recorded with information, a non-volatile memory formed on the other surface of the optical disk opposite to the surface formed with the read only memory region, a mark formed on the surface of the optical disk where the non-volatile memory is formed, and one or more dummy memories arranged on the optical disk in such a manner that the center of weight of the optical disk is positioned at the center of the optical disk. Also, provided is an optical disk unit adapted to use the optical disk, which includes a non-volatile memory pickup unit for reading data recorded on the non-volatile memory of the optical disk and writing data onto the non-volatile memory. The optical disk unit is controlled by applying a write or read command to the non-volatile memory, sensing the mark on the optical disk, stopping the optical disk, electrically connecting the pickup to the non-volatile memory, executing a data reading or writing operation for the non-volatile memory, and electrically disconnecting the pickup from the non-volatile memory. Additionally, there is further provided an optical disk unit for a cartridge type optical disk, with at least one non-volatile memory formed on one surface of the cartridge.
    • 提供一种光盘,其包括形成在光盘的一个表面上并且被记录的信息的只读存储器区域,形成在与形成有只读存储区域的表面相对的光盘的另一个表面上的非易失性存储器, 在形成有非易失性存储器的光盘的表面上形成的标记,以及配置在光盘上的一个或多个虚拟存储器,使得光盘的重心位于 光盘。 此外,提供了一种适于使用光盘的光盘单元,其包括用于读取记录在光盘的非易失性存储器上的数据并将数据写入非易失性存储器的非易失性存储器拾取单元。 通过对非易失性存储器应用写入或读取命令来控制光盘单元,感测光盘上的标记,停止光盘,将拾取器电连接到非易失性存储器,执行数据读取或写入 操作非易失性存储器,并且将拾取器与非易失性存储器电连接。 此外,还提供了一种用于盒型光盘的光盘单元,其中至少一个非易失性存储器形成在盒的一个表面上。