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    • 1. 发明专利
    • Conversion and connection of subscriber's number
    • 订阅者编号的转换和连接
    • JPS6143095A
    • 1986-03-01
    • JP16379484
    • 1984-08-06
    • Hitachi LtdNippon Telegr & Teleph Corp Oki Electric Ind Co Ltd
    • KUSUNOKI FUMIAKIHOMURA HIDEYUKIUCHIDA TATSUO
    • H04Q3/76
    • H04Q3/76
    • PURPOSE:To accomplish the same-number-shifting by providing a number converter and obtaining telephone number information corresponding to new containing position information from the old telephone number information. CONSTITUTION:After a community subscriber SUBB is cut from a reverting switching device RVE, it is connected to a switch frame SF. When an incoming request is obtained from other stations to the subscriber SUBB in such state, the number of a called party is received and accumulated at an input register IR through an input trunk ICT. When all numbers are received, the register IR activates a marker M, and simultaneously it outputs the number of the called party to a number converter NCH. From said device NCH, a fixed telephone number corresponding to a subscriber terminal after the same number shifting is outputted with respect to the subscriber subjected to the same-number-shifting. In accordance with the converted number of the called party, the marker K opens or closes a channel between subscribers SUBB, which carry out the same- number-shifting with the trunk ICT, through a frame SF.
    • 目的:通过提供一个数字转换器和从旧的电话号码信息获得对应于新的包含位置信息的电话号码信息来完成相同的号码转换。 规定:社区用户SUBB从恢复的交换设备RVE切断后,连接到交换机框架SF。 当在这种状态下从其他站到达用户SUBB的输入请求时,被叫方的号码通过输入中继线ICT在输入寄存器IR中被接收和累积。 当接收到所有的数字时,寄存器IR激活一个标记M,同时它将被叫方的号码输出到数字转换器NCH。 从所述设备NCH,相对于经过相同号码转换的用户输出与相同号码移位后的用户终端对应的固定电话号码。 根据被叫方的转换号码,标记K通过帧SF打开或关闭与主干ICT进行相同号码转换的用户SUBB之间的信道。
    • 6. 发明专利
    • TEST MONITOR CONTROL SYSTEM
    • JPH03101464A
    • 1991-04-26
    • JP23700189
    • 1989-09-14
    • HITACHI LTD
    • KUSUNOKI FUMIAKI
    • H04M3/26
    • PURPOSE:To easily locate a line fault during on-line service by using a specific time slot provided to the remote station side so as to apply closed digital path connection to a remote station not through a master station and a transmission line and confirming the normality of the path of the remote station depending on the result of test. CONSTITUTION:The system consists of a subscriber terminal equipment 1, a line concentration switch 2, a monitor test equipment 3 and dropper inserters 4, 6. The conventional dropper inserter 4 and the dropper inserter 6 in tandem connection to the inserter 4 are provided to a terminal of a transmission line of a slave station side and a specific time slot is used to apply normal confirming test of analog path and digital path closed to the slave station. Thus, the location of a system fault during the service operation is easily executed.
    • 7. 发明专利
    • SUBSCRIBER LINE TESTING SYSTEM BY REMOTE CONTROL
    • JPH01175348A
    • 1989-07-11
    • JP33636887
    • 1987-12-28
    • HITACHI LTDNIPPON TELEGRAPH & TELEPHONE
    • KUSUNOKI FUMIAKIINOUE KOJIHIRANO YASUSHI
    • H04M3/26H04M3/30
    • PURPOSE:To eliminate an analog transmission path and to improve profitability by giving a semi-fixed bus with station data variable for transmitting and receiving test information out of buses for call of a master station and a slave station digital exchange station and providing a converting function of an analog signal and a digital signal. CONSTITUTION:Analog digital converters 18 and a digital interface trunk 19 are provided on the side of an analog transmission path 5 of a subscriber line testing device 3 of an A station and they are connected to a time-division channel device 6. Interface units 16 and a subscriber circuit interface trunk 17 are provided between subscriber circuits 12 corresponding to an analog subscriber and the analog transmission side of an remote subscriber line testing device 15 of a B station and they are connected to a remote time-division channel device 11 through the subscriber circuits. Further, the fixed bus for test call by station data variability is provided for the timedivision multiplex channels of the A station and the B station. By the converting function 18 of the analog signal and the digital signal, the conversion of the analog subscriber test information is executed and a test is executed. Thus, the analog transmission path can be eliminated and system cost can be reduced.
    • 9. 发明专利
    • DIGITAL VTR
    • JPS62126783A
    • 1987-06-09
    • JP26483685
    • 1985-11-27
    • HITACHI LTD
    • KUSUNOKI FUMIAKI
    • H04N5/937H04N5/93
    • PURPOSE:To perform a screen processing, such as the magnification, the reduction, or the frame feeding of a picture by providing a digital frame memory and a control part which controls the frame memory with a request from an outside. CONSTITUTION:When a command, for example, for the magnification of the picture is received by the operation of a wireless remote control KP by a viewer, a microprocessor MPU terminates an input from a cassette CST against a picture signal control part VSC. Next, the first bit of picture block information at a frame memory DFRM is taken out through a digital frame memory control part DFRMC. And a divided picture at a requested part is magnified in order within the control part DFRMC, and is displayed at a display part DISP. By the similar operation as above, the reduction or the frame feeding can be performed by a command from the remote control KP.