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1. 发明专利

JPS58111457A EXCHANGE HAVING INTERRUPTING FUNCTION 失效
公开(公告)号：JPS58111457A
公开(公告)日：1983-07-02
申请号：JP21567281
申请日：1981-12-24
申请人： FUJITSU LTD , NIPPON TELEGRAPH & TELEPHONE
发明人： HIGUCHI MASAO , NOMURA MASAYUKI
IPC分类号： H04L12/00 , H04L11/00
摘要： PURPOSE:To effectively use a relay line, by interrupting an exchange circuit not temporarily used for terminals, holding a call between the terminals during communication even under the interruption and resetting an exchange line for the request of reuse. CONSTITUTION:In a data communication of a terminal T1 with a terminal T3, the terminal T1 transmits a call set request signal S1 including discriminating information of the terminal T3 to an exchange E1, which transmits a call set request signal S2 to an exchange E2. The exchange E2 transmits a call signal S3 to the terminal T3. The terminal T3 responds with a response signal S4, the exchanges E2, E1 transmit response signals S5, S6, a subscriber line and a relay line are connected (CT1) and the data transfer (D1) is performed mutually. When the terminal T1 does not temporarily use the line, interruption request signals S7, S8 and an interruption signal S9 release (SP) relay lines temporarily. The exchanges E1, E2 hold the calls of the terminals T1 and T3 even during releasing and rejecting the incoming call from other terminals. When a data transmission request is given to the terminal T1, the exchanges E1, E2 connect (CT2) the relay line and the subscriber line with restart request signals S10, S11 and S12, and reset the exchange lines.

2. 发明专利

JPS57192153A MAIL BOX MANAGING SYSTEM 失效
公开(公告)号：JPS57192153A
公开(公告)日：1982-11-26
申请号：JP7717381
申请日：1981-05-21
申请人： FUJITSU LTD , NIPPON TELEGRAPH & TELEPHONE
发明人： SUZUKI TAKASHI , HIGUCHI MASAO , KANBAYASHI TETSUYA , SHIMAZU YOSHIHIRO
IPC分类号： G06F13/00 , H04L12/54 , H04L12/58 , H04L11/20
摘要： PURPOSE:To reduce the job for the operator at a contract terminal, by automatically transmitting a reminder message to a non-written terminal, through the check of the non-written terminals from terminals to which the write is either instructed to a mail box or scheduled. CONSTITUTION:A storage device 7 of a mail box managing device 10 is provided with a display area 3 and an address area 8, and an address table part 2 for write scheduled terminals and a general storage part 9 are allocated in the area 8. In writing to the mail box 1, a write message Mw is transmitted to a box 1, a write address Aw is given to a comparison circuit 4 of the device 10, a control circuit 6 is started at a time set to a start circuit 5, and through the control of the circuit 6, the address inputted at the circuit 4 and that of the area 8 displayed in the area 3 are compared. As a result, if the corresponding data is not written in the box 1, a transmission address As is transmitted from the circuit 6 and a reminder message Ms is automatically transmitted from a specific area M1 to a terminal.

3. 发明专利

JPS56129457A COMMUNICATION SYSTEM OF FULL DUPLEX DATA 失效
公开(公告)号：JPS56129457A
公开(公告)日：1981-10-09
申请号：JP3365380
申请日：1980-03-17
申请人： FUJITSU LTD , NIPPON TELEGRAPH & TELEPHONE , HITACHI LTD
发明人： HIGUCHI MASAO , TSUKAMOTO KATSUHARU , TANAKA YOSHIKAZU , HAYASHI KAZUYUKI
IPC分类号： H04L5/14
摘要： PURPOSE:To increase an efficiency in use of communication path, by returning the permissible signal to the line exchange network if the calling data communication device has the data to be transmitted and returning the signal rejecting the connection, if the data is absent. CONSTITUTION:The full duplex communication path set between data communication devices in a data communication system is first set, when both the data communication devices 1, 2 have the data to be transmitted to the opposed data communication devices 2 and 1. After set, since the data communication devices 1 and 2 transmit the data to the opposing data communication devices 2 and 1 at the same time via the entire duplex communication paths, the full duplex communication function is sufficiently utilized and the holding time is reduced.

4. 发明专利

JPS54142904A LINE SELECTION SYSTEM BY CHANNEL NUMBER 失效
公开(公告)号：JPS54142904A
公开(公告)日：1979-11-07
申请号：JP5012778
申请日：1978-04-28
申请人： FUJITSU LTD , NIPPON TELEGRAPH & TELEPHONE , OKI ELECTRIC IND CO LTD , NIPPON ELECTRIC CO , HITACHI LTD
发明人： NAKAMURA TOSHITAKE , HIGUCHI MASAO , ABE TOYOHIKO , SEKINE HIROYUKI , MINAMI HIROSHI , KASHIO JIROU
IPC分类号： H04L12/721
摘要： PURPOSE:To secure transmission of the telegram having the channel number added through the transmission line by giving other control information to the converter when the decoded telegram is identified as the relaying and then rewriting the channel number to transmit the information of the outgoing line and the telegram. CONSTITUTION:Node B receives the telegram from line 1 at receiver RCVR and then gives the received telegram with the incoming line number 1 added to decoder DECR. Thus, DECR draws out the control table of line 1, and an index is given to the table with the telegram channel number (a). Then the control information corresponding to the channel number is extracted and decoded. When the telegram is identified as the relaying, other control information is given to converter CONV, where the channel number is rewritten from (a) to (b) and the information of outgoing line 4 plus the telegram are transmitted via transmitter SNDR. In this way, the channel number correspondence is secured between the adjacent nodes, and the telegram with the channel number added can be transmitted via the transmission line.

5. 发明专利

JPS60260254A CIPHERING PROCESSING SYSTEM 失效
公开(公告)号：JPS60260254A
公开(公告)日：1985-12-23
申请号：JP11604684
申请日：1984-06-06
申请人： FUJITSU LTD , NIPPON TELEGRAPH & TELEPHONE , NIPPON ELECTRIC CO
发明人： HIGUCHI MASAO , FUKUHARA KUNIO , MIZUSAWA JIYUNICHI , IWASAKI SEIJI , HARA RIYUUICHI , WATANABE TOSHIHIKO , FUJITA MITSURU
IPC分类号： H04L29/06 , H04L9/10 , H04L17/00
摘要： PURPOSE:To prevent degradation of processing capability by using a ciphering device provided externally so as to apply ciphering processing to a data of packet. CONSTITUTION:A processor 1''-1 transmits a data D of ciphering processing object from a line connecting terminal 4-3 to a ciphering device 5-1. The ciphering device 5-1 applies ciphering the data, a modulator-demodulator 2-3 transmits the ciphered data D to a modulator-demodulator 2-4 transmits the received and ciphered data D to a line connecting terminal 4-4 of the processor 1''-1, then the ciphered data D is connected with a header H not ciphered and the result is transmitted to a packet exchange network 6. On the other hand, when a packet reaches the line connecting terminal 4-1, the packet is separated and the ciphered data D is transmitted from the line connecting terminal 4-4 to the ciphering device 5-1, where the data is decoded and the processor 1''-1 receives the decoded data D.

6. 发明专利

JPS56115057A DATA COMMUNICATION SYSTEM 失效
公开(公告)号：JPS56115057A
公开(公告)日：1981-09-10
申请号：JP1726280
申请日：1980-02-15
申请人： FUJITSU LTD , NIPPON TELEGRAPH & TELEPHONE , OKI ELECTRIC IND CO LTD , NIPPON ELECTRIC CO , HITACHI LTD
发明人： HIGUCHI MASAO , ISHIDA NOBUYUKI , HIROKAMI MAKOTO , HARA TOKIHIDE , WAKAYAMA IKUO , TOKI RIYUUICHI
IPC分类号： H04L29/04 , H04L12/00
摘要： PURPOSE:To prevent an increment of traffic for the trunk circuit and at the same time secure a normal communication even when a transmission delay occurs, by using the polling signal and the closure signal between the main terminal and the subordinate terminal of the polling system. CONSTITUTION:In a communication cycle during which the send-back of data complets from the subordinate terminals TD1-TDn selected by the polling signal P and after a start of transmission of signal P through the main terminal TM, the repeating device RM transmits the P indication signal that indicates a transmission of signal P to TD to the repeating device RD when the first P signal is received from TM, and then sends the closure signal E back to TM. After this, the signal E is transmitted to TM when a coincidence is obtained between the subsequent P signal and the preceding P signal and in case the data is not received and accumulated from the selected TD, and the data is sent to TM during accumulation. On the other hand, RD transmits the signal P repetitively when receiving the signal S from TD and then sends the data, if receives, to RM.

7. 发明专利

JPS58111464A TERMINAL DEVICE HAVING INTERRUPTION CANCELING FUNCTION OF EXCHANGE LINE 失效
公开(公告)号：JPS58111464A
公开(公告)日：1983-07-02
申请号：JP21567381
申请日：1981-12-24
申请人： FUJITSU LTD , NIPPON TELEGRAPH & TELEPHONE
发明人： HIGUCHI MASAO , TANAKA YOSHIKAZU
IPC分类号： H04L29/08 , H04L12/26 , H04L29/12
摘要： PURPOSE:To attain effective use of an exchange line and to reduce processing load of terminals, by introducing an interruption cancellation signal between the terminals and an exchange network and releasing a call after the terminal releases the exchange line temporarily with an interruption signal. CONSTITUTION:When a terminal T1 forms a data communication line with a terminal T3 via an exchange network N1 for the transmission of data, a data monitor section 300 always monitors the data flow and gives an interruption request to an interruption controlling section 202 when no transmission/reception of data exists for a prescribed time or when an indication is given from a job processing section 100. When a controlling section 202 transmits an interruption request signal via a line controlling section 400, the N1 transmits a response signal to the terminal T1 and an interruption signal to the terminal T3, stores the interruption and opens relay lines. During this time, incoming calls from other terminals are rejected. When the release of a line is desired with the generation of a failure at the terminal T1, an interruption cancellation request is made from a failure processing section 500, a request signal is transmitted to the N1 and the release of a call is informed to a call controlling section 201. The exchange network N1 transmits an interruption canceling information signal to the T3 and clears the information of call in the N1.

8. 发明专利

JPS5859648A TERMINAL EQUIPMENT HAVING INTERRUPTION FUNCTION OF EXCHANGE LINE 失效
公开(公告)号：JPS5859648A
公开(公告)日：1983-04-08
申请号：JP15838581
申请日：1981-10-05
申请人： FUJITSU LTD , NIPPON TELEGRAPH & TELEPHONE
发明人： HIGUCHI MASAO , NOMURA MASAYUKI
IPC分类号： H04L29/08 , H04L12/00
摘要： PURPOSE:To effectively utilize a line, by temporarily releasing an exchange line when a data is not transmitted nor received, reseting the exchange line when a data transmitting or receiving signal has become necessary, and constituting so that the line can be interrupted when there is no data, even when a terminal is in the course of its service processing. CONSTITUTION:Terminals T1-T5 are connected to a switching network N1 of a line exchange system, and the service is performed by a service processing part 100 of the terminal T1. In this case, if communication with the terminal T3 of a remote place becomes necessary, a communication start request is outputted to a call control part 201, the control part 201 uses a line control part 400, and a call setting request to the terminal T3 is transmitted to the switching netowrk N1. Subsequently, the switching network N1 informs to the control part that said request has been informed to the terminal T3, and waits for a response of the control part 201. After a call has been set between the terminal T1 and T3, a repeating signal is sent out to the switching network N1, and a temporary release of the switching network N1 is requested. Also, flow of a data is monitored by a data monitoring part 300, and the line can be interrupted when there is no data, by which the line is utilized effectively.

9. 发明专利

JPS5686548A PROTOCOL CONVERSION SYSTEM 失效
公开(公告)号：JPS5686548A
公开(公告)日：1981-07-14
申请号：JP16375579
申请日：1979-12-17
申请人： NIPPON ELECTRIC CO , NIPPON TELEGRAPH & TELEPHONE , OKI ELECTRIC IND CO LTD , HITACHI LTD , FUJITSU LTD
发明人： KIMURA MICHIHIRO , KAJIWARA TOSHIO , SAKUMA MIKIROU , KUREJI SHIGERU , HIGUCHI MASAO
IPC分类号： H04L29/06 , H04L12/66
摘要： PURPOSE:To reduce the delay time and the amount of buffer to be stored, by the virtual operation of a virtual data link device to make unconscious of the presence of a protocol converter. CONSTITUTION:In the communication between the communication main bodies 11 in a node 10 and 31 in a node 30, telegraphic message is transmitted/received via a virtual data link consisting of a virtual data link device 14, protocol converter 15, data link controller 16, line and data link controller 31. The data link managing main body 13 manages the state of this virtual data link. Further, the virtual data link device 14 performs virtual operation to the data link managing main body 13, as if it were the data link controller 16, not to make conscious of the presence of the protocol converter 15.

10. 发明专利

JPS5573160A COMMUNICATION CONTROL SYSTEM FOR NONNPACKET TERMINAL 失效
公开(公告)号：JPS5573160A
公开(公告)日：1980-06-02
申请号：JP14690878
申请日：1978-11-28
申请人： FUJITSU LTD , NIPPON TELEGRAPH & TELEPHONE , OKI ELECTRIC IND CO LTD , NIPPON ELECTRIC CO , HITACHI LTD
发明人： HIGUCHI MASAO , KATORI KENICHI , OKAZAKI TATSUHIKO , YUI TAKAYUKI , AOKI EIJI
IPC分类号： H04L12/70
摘要： PURPOSE:To decrease the number of the control packet to be transferred and thus to ensure the effective communication by carrying out the packet communication among terminals by providing the packet exchange network between the common connection devices of the terminals provided to other exchanges. CONSTITUTION:Non-packet terminals NPT-1, NPT-2 and NPT-3 connected to exchange PS-1 are connected to the common connection device. Then the packet communication is carried out via the packet exchange network between the common connection device and the packet terminal as well as between the common connection device and the common connection device of the terminals provided to other exchanges PS-2 and PS-3 connected with plural units of the non-packet terminal stored in PS-2 and PS-3. As a result, the number of the control packet to be transferred can be decreased to secure the effective communication.

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