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1. 发明专利

JPS60261289A RISE METHOD OF FUNCTION DISTRIBUTED EXCHANGE 失效
公开(公告)号：JPS60261289A
公开(公告)日：1985-12-24
申请号：JP11641884
申请日：1984-06-08
申请人： HITACHI LTD , NIPPON TELEGRAPH & TELEPHONE
发明人： KOMATSU TEIJIROU , ATSUMI TOSHIAKI , TOKI RIYUUICHI , YASHIRO ZENICHI , HONDA TAKASHI
IPC分类号： H04Q3/545 , H04L12/70 , H04M3/00
摘要： PURPOSE:To double the transfer capability as the whole of an switching link by using both of dual switching links simultaneously as switching links independent of each other. CONSTITUTION:When the system rise request of a packet switching station 40 is generated and a maintenance operation controller 1 instructs a switching link selecting circuit 32 of packet exchanges 20-23 through a bus 12 to connect a packet exchange and a current or stand-by switching link 10 or 11, the circuit 32 opens a connection gate 34 to connect the exchange and the switching link. A processor 2 transfers initializing data of a main memory 13 to the packet exchange, which is connected to the link 10, through a switching link control circuit B6. Simultaneously, initizlizing data is transferred to the packet exchange, which is connected to the stand-by switching link, through a switching link control circuit A5. When receiving the report of data transfer completion from the circuit B6 or A5, the processor 2 transfers initializing data to packet exchanges to which this data is not transferred yet.

2. 发明专利

JPS5538759A IMMEDIATELY CHARGE INFORMING SYSTEM 失效
公开(公告)号：JPS5538759A
公开(公告)日：1980-03-18
申请号：JP11165578
申请日：1978-09-13
申请人： HITACHI LTD , NIPPON TELEGRAPH & TELEPHONE
发明人： ATSUMI TOSHIAKI , SHIBATA SEIJI , WATANABE KAZUO , ITOU HIROSHI
IPC分类号： H04M15/00 , H04L12/14
摘要： PURPOSE:To realize the know services in either of the single network and the inter- network connection by informing previously the immediate information register number to the terminal when the call connection is set up and then informaing the charging information to the terminal after giving the call again and informaing the number to the network. CONSTITUTION:With call given from data terminal 20, telephone exchange 21, packet multiplication device 30, packet exchange 35 and packet terminal 31 are actuated. And if the immediate information request is given, exchange 35 gives allotment to the information gathering area and the know register number. Under communication, the charging information is collected to the memory of main memory device 33 corresponding to the number. The charging information is preserved for a fixed time even after breaking of the call, and data terminal 20 transmits the known request based on the register number. Thus exchange 35 draws out the corresponding information from the gathering area and sends it to device 30 to then transmit the charging information contained in the information transmitted to terminal 20 by one character.

3. 发明专利

JPS56117454A TERMINAL STORING SYSTEM 失效
公开(公告)号：JPS56117454A
公开(公告)日：1981-09-14
申请号：JP2059680
申请日：1980-02-22
申请人： HITACHI LTD , NIPPON TELEGRAPH & TELEPHONE , OKI ELECTRIC IND CO LTD , NIPPON ELECTRIC CO , FUJITSU LTD
发明人： ATSUMI TOSHIAKI , SHIMATANI SHIYOUZOU , HAYASHI NORIYASU , SANO KEITAROU , SANO TAKAMICHI
IPC分类号： H04L12/70
摘要： PURPOSE:To secure a communication similar to that secured by connecting directly a polling terminal and the terminal to receive polling together, by performing a control of call in response to the identification number of the terminal to receive polling that is transmitted by the polling terminal as well as providing the polling receiving function to an exchange network. CONSTITUTION:The terminal 1 to receive polling is stored in the packet multiplying device 5-A via te multipoint or a single circuit. At the same time, the device 5-A is connected to the packet exchange 6 by a packet multiplication. Furthermore the computer 4 is stored in the packet multiplying devide 5-B in the form of a single circuit. Thus a packet exchange network is formed. The exchange network includes a polling receiving function and at the same time carries out a control of call in response to the identification number of the terminal to receive polling that is transmitted from the polling terminal. In the case of the multipoint, the terminal parts to receive polling receive a polling successively. In this case a polling is applied to the single circuit in a completely independent cycle. As a result, the access time can be reduced, and at the same time the load of an exchange can be reduced.

4. 发明专利

JPS5577272A CHARGE INFORMATION SYSTEM 失效
公开(公告)号：JPS5577272A
公开(公告)日：1980-06-10
申请号：JP15075278
申请日：1978-12-05
申请人： NIPPON TELEGRAPH & TELEPHONE , HITACHI LTD
发明人： ITOU HIROSHI , WATANABE KAZUO , AOKI EIJI , ATSUMI TOSHIAKI
IPC分类号： H04M15/00
摘要： PURPOSE:To make it possible to offer charge informing sevices even if a switching network can not discriminate a subscriber's number of a terminal, by allowing the switching network to send charge information to the terminal by a charge information request from the terminal prior to call cutting-off operation. CONSTITUTION:When a connection line between non-packet terminal 1 and a packet terminal is set, packet exchange unit 5 allots one charge information memory area in main memory unit 15 to a call connection. Once data transfer starts between terminals 1 and 6, exchange 5 collects charge information on the number of transmitted and received packets and stores it in the charge information area. After the data transfer, terminal 1 sends a charge information request. On receiving the request, packet multiplexer 4 edits cutting-off request packets including the charge information request and sends it to exchange unit 5. On receiving this request, exchange unit 5 takes charge information out and then sends it to unit 4. Unit 4 sends the charge information, character by character, to terminal 1.

5. 发明专利

JPS54116807A INTERRNETWORK CONNECTION SYSTEM 失效
公开(公告)号：JPS54116807A
公开(公告)日：1979-09-11
申请号：JP2345978
申请日：1978-03-03
申请人： HITACHI LTD , NIPPON TELEGRAPH & TELEPHONE
发明人： ATSUMI TOSHIAKI , AOKI EIJI , ITOU HIROSHI , KATORI KENICHI
IPC分类号： H04M7/06 , H04M7/12 , H04Q3/00
摘要： PURPOSE:To realize a connection system which is tolerable in the range from a low track to a high track and reduces the need for reconstructing a packet switching network and devices for other communication networks, by turning a function of an inter-network connection over to a packet multiplication unit on a network connection system between the packet switching network and other communication network. CONSTITUTION:In the integrated data communication network which makes a mutual connection between a packet switching network and another communication network, subscriber's-circuit corresponding device 9 of packet multiplication unit 18 of the packet conversion network is connected to inter-network connection switch- board 3 in another communication network via intermittent transmission line 8. Further, common signal unit 7 of switchboard 3 is connected to device 9 of the packet switching network via common signal line 10. Then, a call control signal is transferred via common signal line 10 between central controller 4 of switchboard 3 and central controller 4' inside of packet switchboard 22 of the packet switching network by way of packet multiplication unit 18.

6. 发明专利

JPS53137602A CONTROL UNIT FOR COMMON LINE SIGNAL 失效
公开(公告)号：JPS53137602A
公开(公告)日：1978-12-01
申请号：JP5204577
申请日：1977-05-09
申请人： HITACHI LTD , NIPPON TELEGRAPH & TELEPHONE
发明人： AOKI EIJI , ATSUMI TOSHIAKI , SAKAKIBARA MASASHI , YUMIBA HIDEAKI , TOMITA SHIYUUJI
IPC分类号： H04Q3/545 , G06F13/42 , H04L29/02 , H04L29/08 , H04M7/06
摘要： PURPOSE:To eliminate the ineffective load of exchanging CPU, by transmitting and receiving the filling signal in the common line signal unit, in a synchronous type common line signal system retransmitting the final significant signal as a filling signal in idling.

7. 发明专利

JPS5840943A ERROR RECOVERING SYSTEM OF MISSING DATA 失效
公开(公告)号：JPS5840943A
公开(公告)日：1983-03-10
申请号：JP13913981
申请日：1981-09-03
申请人： FUJITSU LTD , NIPPON TELEGRAPH & TELEPHONE , OKI ELECTRIC IND CO LTD , NIPPON ELECTRIC CO , HITACHI LTD
发明人： AIMI KENICHI , SUGITA NOBUHIRO , YOSHIKAWA YOSHIO , OOTOMO TAKESHI , ATSUMI TOSHIAKI
IPC分类号： H04L1/16 , H04L1/18 , H04L29/08
摘要： PURPOSE:To decrease the number of transfer data and to recover quickly an error of the missing data, by recovering locally the missing of the data occurred between a data communication device and a repeating device. CONSTITUTION:If data is missed between data communication devices, the same data is transmitted again until the transmission of the data is confirmed or the number of retransmissions reaches a certain level or more. Noticing this fact, a repeating device informs only the missing of the data at a time point when the data transferred to the 2nd data communication device 2 from the 1st data communication device 1 via the repeating device is missed between data communication devices 1 and 2 and repeating devices 31 and 32. After this, the repeating device reports the missing of data to the device 1 for the retransmitted data from the device 1, and the device 2 transmits the missed data again. Thus an error can be recovered for the missing data.

8. 发明专利

JPH0133981B2 失效
公开(公告)号：JPH0133981B2
公开(公告)日：1989-07-17
申请号：JP13586483
申请日：1983-07-27
申请人： HITACHI LTD
发明人： ATSUMI TOSHIAKI
IPC分类号： H04L12/70

9. 发明专利

JPS62143586A CONSISTING METHOD FOR VIDEO TEX COMMUNICATION SYSTEM 失效
公开(公告)号：JPS62143586A
公开(公告)日：1987-06-26
申请号：JP28280785
申请日：1985-12-18
申请人： HITACHI LTD
发明人： SHIBATA YOJI , ATSUMI TOSHIAKI
IPC分类号： H04N7/173 , H04M11/00
摘要： PURPOSE:To realize the nationwide network of video tex in all kinds of systems utilizing the NTT video tex communication network by matching a PLPS except a CAPTAIN PLPS with the CAPTAIN PLPS adding a header to the picture data of the PLPS except the CAPTAIN PLPS. CONSTITUTION:A CEPT and an NAPLPS private video tex centers 102 and 104, an international gate way 103, and a universal terminal 107 are connected to the NTT video tex communication network 101, and overseas data base 105 and 106 are connected to the international gate way 103 through a satellite 108, and the terminal 107 is equipped with the decoding functions for NAPLPS and CEPTPLPS, etc., other than the CAPTAIN PLPS. When picture data of various systems 201-204 arrive at the international gate way 103, a telesoftware header 218 which represents the picture data by other system, such as the NAPLPS, etc., is inserted when they are converted to video tex communication network DF interface data 210, and a picture data 219 is inserted, then being constituted to the perfect telesoftware data of the CAPTAIN PLPS.

10. 发明专利

JPS59147555A Contention type multi-drop connecting system 失效
标题翻译：连接型多路连接系统
公开(公告)号：JPS59147555A
公开(公告)日：1984-08-23
申请号：JP2142283
申请日：1983-02-14
申请人： Hitachi Ltd
发明人： UTAKI HIROSHI , ATSUMI TOSHIAKI
IPC分类号： H04L12/40
CPC分类号： H04L12/413 , H04L12/40
摘要： PURPOSE:To improve the service performance, efficiency or the like by transmitting a transmission request signal after two kinds of large and small delay times are obtained alternately at each detection of the end of a transmission signal to uniform the right of transmission. CONSTITUTION:The delay times T1, T2 of delay circuits 6H, 6I of a contention circuit 4 in plural terminals of the same multi-drop connection are set to different values. When many terminals are in a standby state and a transmission line becomes idle, the priority of data transmission is formed depending on the start time between terminals, allowing to prevent collision of data transmission. Since the output of the circuits 6H, 6I are selected alternately every time a selecting circuit 6G detects the change from the idle state to the operating state and changes over the times T1 and T2 alternately, the access order to a data control station 1 is switched alternately. Thus, the priority of accessing is uniformed.
摘要翻译：目的：通过在发送信号的结束的每次检测时交替地获得两种大小的延迟时间之后的发送请求信号来提高服务性能，效率等，使发送权均匀化。构成：将同一多点连接的多个终端中的争用电路4的延迟电路6H，6I的延迟时间T1，T2设定为不同的值。当许多终端处于待机状态并且传输线变为空闲时，根据终端之间的开始时间形成数据传输的优先级，从而允许防止数据传输的冲突。由于每当选择电路6G检测到从空闲状态到操作状态的改变并且交替地改变时间T1和T2时，交替地选择电路6H，6I的输出，所以切换到数据控制站1的访问顺序交替。因此，访问的优先级是统一的。

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