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    • 7. 发明授权
    • Device and method for facsimile and data communication
    • 用于传真和数据通信的设备和方法
    • US6040922A
    • 2000-03-21
    • US444588
    • 1995-05-19
    • Takashi UmedaMotoyasu Ohno
    • Takashi UmedaMotoyasu Ohno
    • H04N1/00H04N1/32H04N1/327
    • H04N1/32713H04N1/32704H04N1/32726H04N1/32754
    • In a communication between transmitter-side and receiver-side communication control devices, when a data communication is desired after a facsimile communication without opening a telephone line, the transmitter-side communication control device transmits a data communication shift request signal to the receiver-side communication control device based on a previous command inputted to the transmitter-side communication control device. In response to this request signal, the receiver-side communication control device switches a communication mode from a facsimile communication mode to a data communication mode, and then sends back a data communication shift acknowledge signal to the transmitter-side communication control device. In response to this acknowledge signal, the transmitter-side communication control device switches a communication mode from a facsimile communication mode to a data communication mode. Accordingly, the data communication can be performed automatically after the facsimile communication without once opening the line. Such a data communication after the facsimile communication may also be realized based on a data communication shift request signal from the receiver-side communication control device.
    • 在发送侧和接收侧通信控制装置之间的通信中,当在不打开电话线的传真通信之后需要数据通信时,发送机侧通信控制装置向接收机侧发送数据通信移动请求信号 通信控制装置,其基于输入到发送机侧通信控制装置的先前指令。 响应于该请求信号,接收机侧通信控制装置将通信模式从传真通信模式切换到数据通信模式,然后将数据通信移位确认信号发送回发送机侧通信控制装置。 响应于该确认信号,发送器侧通信控制装置将通信模式从传真通信模式切换到数据通信模式。 因此,可以在传真通信之后自动执行数据通信,而不一次打开线路。 在传真通信之后的这种数据通信也可以基于来自接收机侧通信控制装置的数据通信移动请求信号来实现。
    • 9. 发明授权
    • Method for managing a defect in an optical disk by assigning logical
addresses based upon cumulative number of defects in the disk
    • 用于通过基于盘中的缺陷的累积数量分配逻辑地址来管理光盘中的缺陷的方法
    • US5319627A
    • 1994-06-07
    • US787202
    • 1991-11-04
    • Atsushi ShinnoKeiji UekiMotoyasu Ohno
    • Atsushi ShinnoKeiji UekiMotoyasu Ohno
    • G11B7/007G11B20/18G11B7/00
    • G11B20/1883G11B2220/20
    • A method for managing a defect in an optical disk employed in a recording/reproducing apparatus. The optical disk includes a data area and a preliminary area. Further, the data area includes sectors for storing data and the preliminary area includes alternate sectors for defective sectors occurring after initialization of the optical disk. In the optical disk, physical addresses are assigned to all of the sectors of the data area and the preliminary area in an ascending order. In contrast, logical addresses are assigned to the sectors in an ascending order skipping the defective sectors detected at the time of the initialization and the sectors of the preliminary area. The method for managing a defect in an optical disk comprises the steps of constructing a table in which a cumulative number of defective sectors detected at the time of the initialization of the optical disk and being present between a starting physical address of the optical disk and a sector subsequent to a defective sector is used as the logical address of the sector subsequent to the defective sector and of converting the logical address of a sector into the physical address thereof by using the table. Thereby even when a defective sector occurs in the optical disk, the logical address of a sector can easily be converted into the physical address thereof.
    • 一种用于管理在记录/再现装置中使用的光盘中的缺陷的方法。 光盘包括数据区和预备区。 此外,数据区域包括用于存储数据的扇区,并且预备区域包括在光盘初始化之后出现的缺陷扇区的替代扇区。 在光盘中,物理地址以升序分配给数据区域和预备区域的所有扇区。 相比之下,逻辑地址以上升顺序分配给扇区,跳过在初始化时检测到的缺陷扇区和初步区域的扇区。 用于管理光盘中的缺陷的方法包括以下步骤:构建表格,其中在光盘初始化时检测到的缺陷扇区的累积数目存在于光盘的起始物理地址和 使用缺陷扇区之后的扇区作为缺陷扇区之后的扇区的逻辑地址,并且通过使用该表将扇区的逻辑地址转换成其物理地址。 由此,即使当在光盘中出现缺陷扇区时,扇区的逻辑地址可以容易地被转换成其物理地址。