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    • 4. 发明专利
    • Communication model of scanner
    • 扫描仪通讯模式
    • JP2011055479A
    • 2011-03-17
    • JP2010162220
    • 2010-07-16
    • Canon Incキヤノン株式会社
    • MERNA THAO
    • H04N1/00
    • H04N1/33346H04N1/00941H04N2201/0081H04N2201/33378
    • PROBLEM TO BE SOLVED: To solve a problem that a scanning system is likely to become unstable gradually because a couple of asynchronous drivers make access to the same hardware and software resources. SOLUTION: An expanded module is generated to operate in place of a TWAIN application through communication with a WIA driver via WIA service. A data structure is transmitted to the WIA driver from the expanded module via a custom property mechanism of the WIA service. The location of binary data file including an instruction data to the scanner can be identified with the WIA driver in accordance with the location included in the data structure. The instruction data is transmitted to the scanner, and the scanner processes the instruction data and returns the result of the process to the WIA driver. The WIA driver writes the result of process to a new binary data file. The data structure is updated and transmitted to the extended module to identify the location of the new binary data file. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了解决扫描系统可能逐渐变得不稳定的问题,因为一对异步驱动器访问相同的硬件和软件资源。

      解决方案:通过WIA服务与WIA驱动程序进行通信,生成扩展模块来代替TWAIN应用程序。 数据结构通过WIA服务的定制属性机制从扩展模块传输到WIA驱动程序。 可以根据包含在数据结构中的位置,通过WIA驱动器来识别包括扫描仪的指令数据的二进制数据文件的位置。 指令数据被发送到扫描仪,扫描器处理指令数据并将处理结果返回给WIA驱动程序。 WIA驱动程序将进程的结果写入新的二进制数据文件。 数据结构被更新并传输到扩展模块以识别新的二进制数据文件的位置。 版权所有(C)2011,JPO&INPIT

    • 7. 发明专利
    • Communication terminal and communication system
    • 通信终端和通信系统
    • JP2007194725A
    • 2007-08-02
    • JP2006008961
    • 2006-01-17
    • Murata Mach Ltd村田機械株式会社
    • KIMOTO OSAMU
    • H04N1/32
    • H04N1/33323H04N1/33346H04N1/33392H04N2201/0093
    • PROBLEM TO BE SOLVED: To provide a communication terminal for preventing a communication error caused by an echo canceller which is not operated as intended, and to provide a communication system.
      SOLUTION: The communication terminal detects presence / no presence of the capability of the V.8 communication mode on the basis of a received DIS signal (S4), and generates a silence state of a prescribed time (400ms or over) by responding to the DIS signal after waiting for a prescribed time (S6) or awaiting the reception of a succeeding DIS signal without responding to the DIS signal at the first time (S7) when detecting that a receiver side communication terminal has a capability of the V.8 communication mode. The echo canceller for IP network control returns from an OFF state to an ON state by the silence state and is operated as intended so as to avoid the effect of echo thereby eliminating the communication error.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种通信终端,用于防止由不按预期操作的回波消除器引起的通信错误,并提供通信系统。 解决方案:通信终端根据接收到的DIS信号(S4)检测是否存在V.8通信模式的能力,并通过以下方式生成规定时间(400ms以上)的静音状态 在检测到接收机侧通信终端具有V的能力的情况下,在等待规定时间(S6)或等待接收到后续DIS信号而不响应于第一时间(S7)的DIS信号时响应于DIS信号 .8通讯模式。 用于IP网络控制的回波消除器通过静音状态从OFF状态返回到ON状态,并且按照意图进行操作,以避免回声的影响,从而消除通信错误。 版权所有(C)2007,JPO&INPIT
    • 9. 发明专利
    • Communication device
    • JP3617914B2
    • 2005-02-09
    • JP29295697
    • 1997-10-24
    • シャープ株式会社
    • 亮 中林啓二 渡辺
    • H04N1/32
    • H04N1/32641H04N1/32614H04N1/32673H04N1/33346H04N1/33361
    • The present invention is intended to transmit and receive desired data at low communication cost by selecting Recommendation T.30 in accordance with the estimation of line condition during the execution of procedures of Recommendations V.8 and V.34. At a calling station, when a JM signal is not detected within a CM signal transmission time t1, when a phase 2 signal is not detected within a time t2 after the end of V.8, when a phase 3 signal is not detected within a time t3 after the end of the phase 2, when a phase 4 signal is not detected within a time t4 after the end of the phase 3, when a phase 6 signal is not detected within a time t5 after the end of the phase 5, or when the phase 4 signal is not detected within a time t6 after the end of the phases 6 and C, it is presumed that the line condition is improper and a procedure of Recommendation T.30 is executed. At a called station, when a CJ signal is not detected within a JM signal transmission time t7, when the phase 2 signal is not detected within a time t8 after the end of Recommendation V.8, when the phase 3 signal is not detected within a time t9 after the end of the phase 2, when the phase 4 signal is not detected within a time t10 after the end of the phase 3, when the phase 6 signal is not detected within a time t11 after the end of the phase 5, or when the phase 4 signal is not detected within a time t12 after the end of the phases 6 and C, it is presumed that the line condition is improper, and the procedure of Recommendation T.30 is executed.