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    • 1. 发明专利
    • Code converting system
    • 代码转换系统
    • JPS57125554A
    • 1982-08-04
    • JP1204181
    • 1981-01-29
    • Fujitsu Ltd
    • NISHIZAKI KOUJIARAI MASANORI
    • H03M5/04H04L25/49
    • H04L25/491
    • PURPOSE:To prevent vanish of timing information for clock reproduction, by causing level inversion once in every 3-bit when a DMI code is converted into tri-state AMI code at reception side, even if consecutive ''0''s are caused in the NRZ code at transmission side. CONSTITUTION:When ''0''s are consecutive by 3-bit in the NRZ code inputted at a ''0'' consecution detecting circuit 6, if the number of data ''1''s of NRZ code inputted through the count of consecutive ''0''s detected previously at a pattern insertion circuit 7 is an even number, ''000'' is converted into ''011'' and in case of an odd number, ''000'' is converted into ''111'' and the result is inputted to a DMI coding circuit 8. The circuit 8 makes coding it according to the code rule, and makes the polarity of the ''1'' at the 3rd bit to the polarity of just before the DMI code according to a violation signal V outputted from a pattern insertion circuit 7 to inform that the code rule of the DMI code is violated and the said conversion is made to the reception side.
    • 目的:为了防止时钟再生的定时信息的消失,通过在接收端将DMI代码转换成三态AMI代码时,通过在每3位进行一次电平反转,即使连续“0”是在 发送侧的NRZ码。 构成:当在“0”连续检测电路6输入的NRZ代码中,当“0”连续3位时,如果通过计数输入的NRZ代码的数据“1”的数目 先前在图案插入电路7处检测到的连续的“0”是偶数,“000”被转换为“011”,在奇数的情况下将“000”转换为 “111”,并将结果输入到DMI编码电路8.电路8根据代码规则进行编码,并将第3位的“1”极性设置为刚好的极性 根据从模式插入电路7输出的违反信号V的DMI代码,通知DMI代码的代码规则被违反,并且对接收方进行所述转换。
    • 3. 发明专利
    • Code conversion system
    • 代码转换系统
    • JPS57125555A
    • 1982-08-04
    • JP1204281
    • 1981-01-29
    • Fujitsu Ltd
    • NISHIZAKI KOUJIARAI MASANORI
    • H03M5/04H04L25/49
    • H04L25/491
    • PURPOSE:To avoid vanish of timing information for clock reproduction, even if ''0''s are consecutively inputted to a DMI coding circuit. CONSTITUTION:If ''0''s are consecutive by 6-bit in the NRZ code inputted at a ''0'' consecution detecting circuit 6, a pattern insertion circuit 7 converts ''0000000'' into ''0111110'' and inputs the result to a DMI coding circuit 8. To inform the said conversion to the reception side, a violation signal V is outputted and a DMI code corresponding to the ''1''s at 3rd and 5th are made to the same polarity as the code polarity just before.
    • 目的:为了避免时钟再现的定时信息消失,即使连续输入到DMI编码电路的“0”也是如此。 构成:如果在“0”连续检测电路6输入的NRZ码中“0”连续6位,则图案插入电路7将“0000000”变换为“0111110”,将 将结果输入到DMI编码电路8.为了通知所述转换到接收侧,输出违反信号V,并且将对应于第3和第5的“1”的DMI代码设置为与 之前的代码极性。
    • 4. 发明专利
    • Simultaneous code checker and hardware efficient high-speed i/o having built-in self-test and debug function
    • 具有内置自检和调试功能的同时代码检查器和硬件有效的高速I / O
    • JP2007234009A
    • 2007-09-13
    • JP2007037099
    • 2007-01-19
    • Silicon Image Incシリコン イメージ,インコーポレイテッド
    • SUL CHINSONGCHOI HOONAHN GIJUNG
    • G06F13/00
    • H03M5/00G11B2020/1438H03M13/09H03M13/33H04L25/491
    • PROBLEM TO BE SOLVED: To provide a system, an apparatus and a method for testing about a high-speed data transmission error. SOLUTION: The method, the apparatus and the system for testing an error in a high-speed input-output system are available. The system and the apparatus include a simultaneous code checker for testing the error in an encoded data packet through a static characteristic of a data packet and a dynamic characteristic of a data stream including a packet. The method sometimes takes a step to detect an invalid encoded packet by using the static characteristic of the data packet and the dynamic characteristic of the data stream including the packet. The method for optimizing a design of a simultaneous code checker logic uses an unspecified condition, and a simultaneous code checker circuit reduces a logic element and a semiconductor area requirement. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种用于测试高速数据传输错误的系统,装置和方法。 解决方案:用于测试高速输入输出系统中的错误的方法,装置和系统是可用的。 该系统和装置包括同时代码检查器,用于通过数据分组的静态特性和包括分组的数据流的动态特性来测试编码数据分组中的错误。 该方法有时通过使用数据分组的静态特性和包括分组的数据流的动态特性来检测无效编码分组。 用于优化同时代码检查器逻辑的设计的方法使用未指定的条件,并且同时代码检查器电路减少了逻辑元件和半导体区域要求。 版权所有(C)2007,JPO&INPIT
    • 7. 发明专利
    • M-dmi encoding circuit
    • M-DMI编码电路
    • JPS59122264A
    • 1984-07-14
    • JP22971282
    • 1982-12-28
    • Fujitsu Ltd
    • MIYAUCHI AKIRAFUJIMOTO NOBUHIRO
    • H03M5/04H04L25/49
    • H04L25/491
    • PURPOSE:To detect the border of a time slot easily in an output DMI code by alternately shifting a polarity changing point at the center of a time slot back and forth every generation of ''0'' of data input. CONSTITUTION:Since a signal (4) is delayed by delay time 2DL, 3DL from a DMI code output (2) when a data input signal (1) is ''1'', the signal (4) is advanced or delayed alternately by delay time DL from a reference state at the ''0'' of the data input signal (1) of the supposition that the ''1'' of the data input signal (1) is a reference. The signal (4) is applied to a clock input terminal of a DFF4, which reads a MDI code output signal (2) of a data terminal D by using the output signal (4) as a clock and outputs a DMI code output signal (5) from an output terminal Q. Since the signal (5) is advanced or delayed at its phase by a fixed time DL alternately every ''0'' of the data input signal (1), the border of a time slot can be discriminated by using said method.
    • 目的:通过在数据输入的每一代“0”处交替地移动时隙中心的极性改变点来回传输输出DMI代码中的时隙的边界。 构成:由于当数据输入信号(1)为“1”时,信号(4)由DMI码输出(2)延迟延迟时间2DL,3DL,信号(4)被交替地前进或延迟 从数据输入信号(1)的“1”为基准的数据输入信号(1)的“0”的基准状态的延迟时间DL。 信号(4)被施加到DFF4的时钟输入端,DFF4通过使用输出信号(4)作为时钟读取数据端D的MDI代码输出信号(2),并输出DMI代码输出信号 由于信号(5)在数据输入信号(1)的每个“0”交替地以相位固定时间DL进行延迟或延迟,所以时隙的边界可以是 通过使用所述方法来区分。
    • 10. 发明专利
    • Data transmission system
    • 数据传输系统
    • JPS59215156A
    • 1984-12-05
    • JP9021483
    • 1983-05-23
    • Fujitsu Ltd
    • NISHIZAKI KOUJI
    • H03M5/18H04L25/49
    • H04L25/491
    • PURPOSE:To decrease the circuit scale by providing the 1st and 2nd means converting 0 or 1 of binary input data into a prescribed level, and using alternately the 1st and 2nd means to transmit simultaneously the data information and clock information independently of a transmission speed. CONSTITUTION:Input data and inverted input data are inputted respectively to AND circuits 1, 2 of a data transmission system and a clock is inputted to an FF6 and an AND circuit 3. Further, an output Q of the FF6 is supplied to the circuits 1, 2 and a data terminal of the FF6 and an inverted clock is supplied to the circuit 2. Then, the inverted input data is supplied to the circuit 3, outputs of the circuits 1, 2 are ORed by an OR circuit 7, supplied to a transistor TR1 and the output of the circuit 3 is supplied to a transistor (TR)2. Further, a level ''0'' of a binary input data is converted to -1, 1 is converted to levels -1, -1, and then, ''0'' is converted into 0, +1 level and 1 is converted into +1, +1 level, the converted levels are used alternately by the TRs 1, 2 to decrease the circuit scale.
    • 目的:通过提供将二进制输入数据的0或1转换为规定电平的第1和第2装置来减少电路规模,并且交替地使用第一和第二装置同时传输数据信息和时钟信息,而与发送速度无关。 构成:输入数据和反相输入数据分别输入到数据传输系统的AND电路1,2,并且时钟被输入到FF6和AND电路3.此外,FF6的输出Q被提供给电路1 ,2和FF6的数据端子和反相时钟提供给电路2.然后,反相输入数据被提供给电路3,电路1,2的输出由或电路7进行或运算,供给到 晶体管TR1和电路3的输出被提供给晶体管(TR)2。 此外,二进制输入数据的电平“0”转换为-1,1转换为电平-1,-1,然后将“0”转换为0,+1电平,1为 转换为+1,+1电平,转换电平由TRs 1,2交替使用,以减小电路规模。