专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JPH05241704A 失效
公开(公告)号：JPH05241704A
公开(公告)日：1993-09-21
申请号：JP3929092
申请日：1992-02-26
申请人： FUJITSU LTD , FUJITSU KYUSHU TSUSHIN SYST KK
发明人： YAMAMOTO KUNIO , KUROKI HIROTSUGU , YOSHIDA TAKAO , NAKAYAMA HIDEO
IPC分类号： G06F3/00 , G06F15/78
摘要： PURPOSE:To carelessly prevent making access to an interface by providing a protective circuit which receives a password from a microprocessor and then sets the interface in an enable state. CONSTITUTION:When a microprocessor 1 desires to make access to the interface 2, a first password is sent to a protective circuit 10 and the address of a first ROM 11 is decided based on the data on the password. This operation is repeated by the number of passwords. Then an enable signal is applied to the interface 2 for the first time only when all passwords are inputted to the ROM 11 in turn. Thus the interface 2 can work to receive the data from the microprocessor 1. In such a manner, the password is positively given to the circuit 10 and the interface 2 becomes available through the circuit 10. Then the microprocessor 1 can make access to the interface 2, therefore the erroneous accesses caused by the malfunctions of the microprocessor 1 can be prevented.

2. 发明专利

JPH0346023A DETECTION SYSTEM FOR STATE CHANGE 失效
公开(公告)号：JPH0346023A
公开(公告)日：1991-02-27
申请号：JP18178589
申请日：1989-07-14
申请人： FUJITSU LTD
发明人： NAKAYAMA HIDEO
IPC分类号： G06F7/04 , G06F11/30 , G06F17/40
摘要： PURPOSE:To accurately detect a state change with simple constitution by judging that there is the state change only when state value data agrees with comparison pattern data and state value data does not agree with state value data in a former period. CONSTITUTION:A state value data storage means 20, a comparison pattern data storage means 21 and a comparison judgement means are given. The comparison judgement means 22 compares state value data for the number of the bits of comparison pattern data, which continues to the bit to which the newest state value is inputted among state value data with comparison pattern data. Only when state value data agrees with comparison pattern data and it does not agree with state value data in the former period, from the comparison judged to be that there is the state change and judges it to be without state change except for this case. Thus, the state change can accurately be detected with simple constitution.

3. 发明专利

JPS5793765A BOOSTER BATTERY DETECTING SYSTEM 失效
公开(公告)号：JPS5793765A
公开(公告)日：1982-06-10
申请号：JP17035780
申请日：1980-12-03
申请人： FUJITSU LTD
发明人： MIYAZAKI YASUO , YAMAMOTO KUNIO , NAKAYAMA HIDEO
IPC分类号： H04M3/26 , H04M3/22 , H04M3/30
摘要： PURPOSE:To discriminate if a voltage for a communication current supply circuit comes from a booster battery, by driving a detection circuit of a tester directly with a voltage on a subscriber line of a subscriber circuit which is a booster batlery or battery supply source. CONSTITUTION:Communication lines A, B of a subscriber circuit SLC are provided with 4 relay contacts tst of a tester, and the lines are led to a tester TST. A detection circuit of a booster battery BB consists of a photo coupler PC, resistors R1, R2 and an inverter and discrimination is made by operating the contacts tst and bbd and the photo coupler PC through the booster battery power supply of the circuit SLC. In the booster battery detection, when much current flows, since a subscriber circuit is possibly detected in error as the call by the subscriber loop, the setting of current value requires much care.

4. 发明专利

JPH0255000B2 失效
公开(公告)号：JPH0255000B2
公开(公告)日：1990-11-26
申请号：JP26064184
申请日：1984-12-12
申请人： FUJITSU LTD
发明人： AKIBA YOSHITAKA , KISHIMOTO KUNYUKI , NAKAYAMA HIDEO , SAITO SHUJI , NODA MICHITAKA
IPC分类号： H04M3/24 , H04Q3/545

5. 发明专利

JPH02138649A DETECTING METHOD FOR UNPACKAGED STATE OF MEMORY EXCHANGE UNIT 失效
公开(公告)号：JPH02138649A
公开(公告)日：1990-05-28
申请号：JP14849788
申请日：1988-06-16
申请人： FUJITSU LTD
发明人： TAKIZAWA MASAKAZU , NAKAYAMA HIDEO
IPC分类号： G06F12/16 , H04M3/22 , H04Q1/22 , H04Q3/545
摘要： PURPOSE:To prevent the loss of a system function caused when a memory is set into a duplex system by detecting the abnormality of the memory exchange unit corresponding to a non-code in the case no coincidence is obtained between the write check data and the data read out. CONSTITUTION:A prescribed access address is produced from a system MM0 which actuates a system based on the access information and applied to each memory exchange unit of a memory 201 set into a system which is incorporated as a spare system MM1 after duplication. Then the check data is written into and read out of a memory area 200 of the corresponding memory exchange unit by means of a prescribed access address. The the detection information on the presence of the mispackage or the fault of the memory exchange unit is obtained based on the coincidence or discordance decided between the write check data and the data read out. Thus it is possible to prevent the loss of a system function caused when a memory is set into a duplex system.

6. 发明专利

JPH11239380A LINE TEST SYSTEM IN MOBILE EXCHANGE SYSTEM 失效
公开(公告)号：JPH11239380A
公开(公告)日：1999-08-31
申请号：JP4059298
申请日：1998-02-23
申请人： FUJITSU LTD
发明人： NAKAYAMA HIDEO
IPC分类号： H04B17/00 , H04B7/26 , H04B17/19 , H04B17/29 , H04W24/06 , H04Q7/34
摘要： PROBLEM TO BE SOLVED: To allow a system to conduct a test of a non-voice line in addition to a test of a voice line and a test limited in the system with respect to the line test system in the mobile exchange system that handles a voice call and a non-voice call. SOLUTION: The system is provided with a test mobile set 1 that is controlled remotely and has a loopback function, a base station 3, an exchange 4 and a bit error rate measuring device 5, a CODEC 12 connecting to the non- voice transmission line 9 and the and a connection changeover means 10 to make a line changeover means 7 select a non-voice transmission line 9 after the exchange 4 executes measurement of a bit error rate as to a voice call, and a test means 13 to form a connection route with a bit error rate measurement device 5 to measure the bit error rate of the non-voice call.

7. 发明专利

JPH03295320A AUTOMATIC CONNECTING METHOD FOR BACK-UP CIRCUIT 失效
公开(公告)号：JPH03295320A
公开(公告)日：1991-12-26
申请号：JP9703290
申请日：1990-04-12
申请人： FUJITSU LTD
发明人： NAKAYAMA HIDEO
IPC分类号： H04B3/46 , H04Q9/00
摘要： PURPOSE:To connect a back-up circuit even at the time of the absence of a supervisor by generating automatically an operation table, and searching for the transmission equipment having the least rate to be isolated in a small network, and connecting the back-up circuit to that transmission equipment at the time of the occurrence of the fault of a transmission line. CONSTITUTION:A monitoring device is provided with a table generating means 20, a back-up circuit connecting destination determining means 21, and a network connection control means 22. Then, when the fault occurs in the transmission line, and the small network incapable of monitoring is developed, a table indicating a connection relation between each device and each transmission line at the time the fault of the transmission line is generated automatically by the table generating means 20 based on supervisory information, and the transmission equipment having the lowest rate to be isolated of the small network provided with the largest number of the transmission devices is obtained by the back-up circuit connecting destination determining means 21 by referring to the table. Further, a back-up network 30 is controlled by the network connection control means 22, and the back-up circuit is connected to the obtained transmission equipment. Thus, the back-up circuit can be connected without taking time even if the supervisor is absent.

8. 发明专利

JPS61139183A Increasing method in multi-control type exchanging system 失效
标题翻译：多控制式交换系统中的增加方法
公开(公告)号：JPS61139183A
公开(公告)日：1986-06-26
申请号：JP26064184
申请日：1984-12-12
申请人： Fujitsu Ltd
发明人： AKIBA YOSHITAKA , KISHIMOTO KUNIYUKI , NAKAYAMA HIDEO , SAITO SHUJI , NODA MICHITAKA
IPC分类号： H04M3/24 , H04Q3/545
CPC分类号： H04Q3/545 , H04M3/241
摘要： PURPOSE:To use an existintg I/O device as it is without preparing an increasing test I/O device by recognizing an increasing call processing processor by referring an increasing flag through a basic control program in a main processor. CONSTITUTION:A central control device 24 in a main processor (MPR)11 commands a channel device 23 so as to connect a relevant channel connecting adapter (CCA)16-k (and 15-k) to an I/O bus 17 of an MPR. Further, from a key board KB, a command isagain inputted and a performing of a diagnosis of CCA(16-k, 15-k) for a call processing processor CPRk is indicated to an MPR11. In this manner, an increasing system CCA is subject to a diagnosis. A diagnosis result is displayed on a video display unit VDU of a console 19 and presence or absence of abnormality according to the diagonosis is recog nized. If there is an abnormality, an analysis of the abnormality is done, and a repair is done (retry). If there is no abnormality, or the repair is completed, a next step is to be done.
摘要翻译：目的：通过在主处理器中通过基本控制程序引用增加的标志来识别增加的呼叫处理处理器来使用现有的I / O设备，而不需要准备增加的测试I / O设备。构成：主处理器（MPR）11中的中央控制装置24命令通道装置23，以将相关通道连接适配器（CCA）16-k（和15-k）连接到I / O总线17 MPR。此外，从键盘KB，输入命令，并且向MPR11指示对呼叫处理处理器CPRk的CCA（16-k，15-k）的诊断的执行。以这种方式，增加系统CCA进行诊断。诊断结果显示在控制台19的视频显示单元VDU上，并且识别出根据对角线是否存在异常。如果发生异常，则进行异常分析，进行修理（重试）。如果没有异常，或修理完成，下一步要做。

9. 发明专利

JPH04371054A SYSTEM MONITORING METHOD 失效
公开(公告)号：JPH04371054A
公开(公告)日：1992-12-24
申请号：JP14774091
申请日：1991-06-20
申请人： FUJITSU LTD
发明人： NAKAYAMA HIDEO
IPC分类号： H04M3/22
摘要： PURPOSE:To monitor an information processing system without changing a monitoring device at the time of the change of service by only changing a service simulating test program built in the system. CONSTITUTION:When receiving a service simulating test request STR from a monitor device 12 through a communication means 13, a processor 14 performs the simulating test processing of the service presented by an information system 11 based on a service simsulating test program Psts and sends a simulating test result TRE to the monitor device 12 through the communication means 13. The monitor device 12 discriminates whether the information processing system 11 is normal or not based on the received simulating test result, and the monitoring device 12 instructs the processor 14 to restart the system if discriminating that the system is not normal.

10. 发明专利

JPS6411184B2 失效
公开(公告)号：JPS6411184B2
公开(公告)日：1989-02-23
申请号：JP17035780
申请日：1980-12-03
申请人： FUJITSU LTD
发明人： MYAZAKI YASUO , YAMAMOTO KUNIO , NAKAYAMA HIDEO
IPC分类号： H04M3/26 , H04M3/22 , H04M3/30

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式