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    • 51. 发明授权
    • Operation guarantee system
    • 操作保证体系
    • US08072824B2
    • 2011-12-06
    • US12668336
    • 2008-06-27
    • Masahiro Takatori
    • Masahiro Takatori
    • G11C7/00
    • G11C7/1072G11C7/1051G11C7/1066G11C7/222G11C29/022G11C29/023G11C29/028G11C2207/2254
    • An operation guarantee system includes a decoder circuit, a comparison circuit, a CPU circuit, a frequency adjustment circuit and a DQ adjustment circuit. The comparison circuit compares a test data signal input from the decoder circuit with an expected value data signal input from the exterior, and detects the presence or absence of an output error in the decoder circuit. The CPU circuit controls the frequency adjustment circuit and the DQ adjustment circuit to vary a frequency of a clock signal input to an external memory and a delay amount of the data signal. In addition, the CPU circuit acquires a result of detection of the comparison circuit under various conditions. Then, the CPU circuit determines an appropriate frequency of the clock signal input to the external memory based on a relationship between the various conditions and the presence or absence of the output error.
    • 操作保证系统包括解码器电路,比较电路,CPU电路,频率调整电路和DQ调整电路。 比较电路将从解码器电路输入的测试数据信号与从外部输入的期望值数据信号进行比较,并且检测解码器电路中是否存在输出错误。 CPU电路控制频率调整电路和DQ调整电路,以改变输入到外部存储器的时钟信号的频率和数据信号的延迟量。 此外,CPU电路在各种条件下获取比较电路的检测结果。 然后,CPU电路基于各种条件与输出错误的存在或不存在之间的关系来确定输入到外部存储器的时钟信号的适当频率。
    • 55. 发明申请
    • Program data communication system
    • 程序数据通信系统
    • US20070065093A1
    • 2007-03-22
    • US10546322
    • 2004-02-18
    • Masahiro TakatoriMitsuteru Kataoka
    • Masahiro TakatoriMitsuteru Kataoka
    • H04N5/91
    • H04N21/4334H04N7/1675H04N21/4135H04N21/4181
    • In a program data communication system, in response to a notification request command signal from a program data receiver apparatus for requesting a notification as to whether or not at least one designated program data among a plurality of pieces of program data can be descrambled, a program data transmitter apparatus transmits a notification command signal including information as to whether or not the designated program data can be descrambled by a descrambling section to the program data receiver apparatus. Next, the program data transmitter apparatus descrambles the designated program data in response to a transmission request command signal from the program data receiver apparatus for requesting that the designated program data be transmitted, and then transmits descrambled program data to the program data receiver apparatus.
    • 在程序数据通信系统中,响应于来自程序数据接收装置的通知请求命令信号,用于请求通知多个程序数据中的至少一个指定的程序数据是否可以被解扰,程序 数据发送装置发送通知命令信号,该通知指示信号包括关于指定节目数据是否可以由解扰部分解扰的节目数据接收装置的信息。 接下来,节目数据发送装置响应于来自节目数据接收装置的发送请求命令信号解调指定的节目数据,用于请求发送指定的节目数据,然后将解扰的节目数据发送给节目数据接收装置。