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1. 发明专利

JPS5925493A Noise preventing circuit 失效
标题翻译：噪音预防电路
公开(公告)号：JPS5925493A
公开(公告)日：1984-02-09
申请号：JP13475082
申请日：1982-08-03
申请人： Fujitsu Ltd , Hitachi Ltd , Nec Corp , Nippon Telegr & Teleph Corp , Oki Electric Ind Co Ltd
发明人： MANABE KAZUMASA , ISHIKAWA ISAO , TEZUKA TAKAO , SHIBANO SHIYOUGO , KUBO MASAHIDE
IPC分类号： H04Q3/54 , H04Q3/00
CPC分类号： H04Q3/0016
摘要： PURPOSE:To reduce a noise quantity generated by the variation of switching voltage, by providing a trunk circuit which is equivalent to the trunk circuit at the other terminal side of a channel of an intra-office device before switching at the preceding stage of a transmitting/receiving device of the intra-office device. CONSTITUTION:Th impedance Z1 of the channel at the side of a transmitting/ receiving device B passing through a switch contact sw from a transmitting/ receiving device A is set equivalent to the impedance Z2 of the channel at the side of a transmitting/receiving device C passing through the active side of the contact sw from the device A. As a result, it is possible to suppress the voltage variation to the device A which receives a reduced effect of electrical conditions following the channel passed through the contact sw from the device A for an intra-office device TRK which supplies power to the device A and when the channel is switched to both devices A and C by the function of the switch sw during communication of information between devices A and B. This reduces the switching noises generated at the side of the device A and ensures a stable supply of power.
摘要翻译：目的：为了减少由开关电压的变化产生的噪声量，通过提供一个干线电路，该干线电路在切换前一阶段的发送之前提供与在办公室内设备的信道的另一终端侧的中继电路相当 /接收设备。构成：通过来自发送/接收装置A的开关触点sw的发送/接收装置B侧的信道的阻抗Z1被设置为等于发送/接收装置侧的信道的阻抗Z2 C通过来自设备A的触点sw的有效侧。结果，可以抑制对从设备通过触点sw的通道之后的电气条件的减小的影响的装置A的电压变化 A用于向设备A供电并且当通过设备A和B之间的信息通信期间通过交换机sw的功能将信道切换到设备A和C两者的局部设备TRK。这减少了产生的交换噪声在设备A的侧面，并确保稳定的电力供应。

2. 发明专利

JPS5840961A TEST SYSTEM OF SUBSCRIBER LINE 失效
公开(公告)号：JPS5840961A
公开(公告)日：1983-03-10
申请号：JP13941881
申请日：1981-09-04
申请人： FUJITSU LTD , NIPPON TELEGRAPH & TELEPHONE , OKI ELECTRIC IND CO LTD , NIPPON ELECTRIC CO , HITACHI LTD
发明人： KUBO MASAHIDE , YOSHIOKA MASANORI , KIMURA NAOHIRO , TAKANO KEIICHI , KOMATSU AYAFUMI
IPC分类号： H04M3/30
摘要： PURPOSE:To increase the accuracy of measurement, to facilitate the maintenance of the slave stations and to enhance the test function, by measuring a subscriber line through a measuring circuit of a tester in a slave station and feeding the result of measurement to a maintenance charging station via a data transmission circuit. CONSTITUTION:A test controller scans a position trunk POS and accordingly detects a test indication to connect the trunk POS to a line test outgoing trunk LTOGT. An operator indicates the type of measurement after confirming the connection. Thus a tester connects a measuring device MSR to a subscriber to be tested to perform a test. The result of this test is fed to a test controller via a data transmission circuit. A test controller performs the processing and editing with a program and displays them on a CRT display of a test board.

3. 发明专利

JPS54162914A MEMORY SYSTEM OF BATTERY POLARITY INFORMATION TO LEAD RELAY 失效
公开(公告)号：JPS54162914A
公开(公告)日：1979-12-25
申请号：JP7161978
申请日：1978-06-14
申请人： FUJITSU LTD , NIPPON TELEGRAPH & TELEPHONE , OKI ELECTRIC IND CO LTD , NIPPON ELECTRIC CO , HITACHI LTD
发明人： KUBO MASAHIDE , MIZUNO TADASHI , SUEHIRO FUMITAKA , YAMAZAKI AKIO , ISHIDA TOSHIFUMI
IPC分类号： H04Q3/78 , H04Q3/42
摘要： PURPOSE:To prevent the current from flowing to the contact at the closure time of the contact by switching the information holding circuit of the memory lead relay toward the battery for memory transmission information at the writing time of information. CONSTITUTION:After operation of steering contacts S0-S8, contact 0 and 7 operate to store the information in information memory lead relay A0 and A7. Thus relay A0 and A7 are driven via resistance lamp RLO, and then contact a0 and a7 operate. At this instant, no current flows to contact a0 and a7 at the contact closure time since the both ends of a0 and a7 are held at the same potential via contact S8. After this, A0 and A7 are held via lamp resistance RL1 when contacts S0-S8 are released.

4. 发明专利

JPS5610790A SIGNAL DECISION SYSTEM 失效
公开(公告)号：JPS5610790A
公开(公告)日：1981-02-03
申请号：JP8624279
申请日：1979-07-06
申请人： NIPPON ELECTRIC CO , NIPPON TELEGRAPH & TELEPHONE , OKI ELECTRIC IND CO LTD , HITACHI LTD , FUJITSU LTD
发明人： ENDOU YOSHIAKI , MIZUNO TADASHI , OOKAWA HIROYUKI , KUSUNOKI FUMIAKI , KUBO MASAHIDE
IPC分类号： H04Q1/20 , H04Q3/42
摘要： PURPOSE:To make a signal decision of high reliability by eliminating an error decision due to a noise similar to an information signal by connecting a receiving circuit to a channel only in minimum required time during information-signal reception. CONSTITUTION:After the existence of a coin is detected by inverting the polarity of a charging pulse, whether a loop is formed at the side of telephone set TEL is discrminated in a certain-time elapse at the point in time of TM-relay release; when the loop is formed, signal reception is made ready and when not, the loop is broken at the point in time of the release of relay TM without connecting a receiver. Then, relay A is not in operation, relay RECC never operates, and relay RL operates, so that the following processing operation will start. Since relay RECC will not operate, the connection of the receiver to the channel is prevented and the possibility that a similar signal is misjudged as a coin-receipt end signal is eliminated perfectly.

5. 发明专利

JPS57212550A EXTENSION SYSTEM FOR SOFTWARE INTERRUPTION LEVEL 失效
公开(公告)号：JPS57212550A
公开(公告)日：1982-12-27
申请号：JP9780981
申请日：1981-06-24
申请人： FUJITSU LTD
发明人： KUBO MASAHIDE , NAKAUCHI SHIGEKI
IPC分类号： G06F9/48
摘要： PURPOSE:To shorten the execution time of a software interruption instruction, by allowing a processor, which executes the software interruption instruction, to get immediately the start address of a processing program for the execution of a desired processing. CONSTITUTION:A processor CPU which reads out a software interruption instruction from a memory MEM transmits a specific address AX to address busses AB0-AB15. A converting circuit TLR which receives the least significant bit of the address AX transmitted to the bus AB0 transmits lower bits of a start address Ai to data busses DB0-DB7 through a gate G2, and the processor CPU stores them in lower bits of a program counter PC. Next, the circuit TLR which receives the most significant bit of an address AX+1 transmitted to the bus AB0 by the processor CPU transmits upper bits of the start address Ai to busses DB0-DB7 through the gate G2, and the processor CPU stores them in upper bits of the counter PC. Thus, the start address Ai of a processing program Pi is stored in the counter PC of the processor CPU.

6. 发明专利

JPH0669862A INTERFERENCE EVADING SYSTEM FOR MOBILE RADIO COMMUNICATION SYSTEM 失效
公开(公告)号：JPH0669862A
公开(公告)日：1994-03-11
申请号：JP22392092
申请日：1992-08-24
申请人： FUJITSU LTD
发明人： KUBO MASAHIDE , YAMASHITA HIROYUKI
IPC分类号： H04B7/26 , H04Q7/28 , H04Q7/04
摘要： PURPOSE:To surely send information required for evading interference and to improve efficiency for the interference evading operation. CONSTITUTION:When received electric field intensity is higher than a prescribed intensity and interference information is detected, a mobile station 1 sends the switching request of a speaking channel to a radio base station 2 and the radio base station 2 sends the instruction of a new speaking channel to the mobile station 1. As a channel for sending the switching request of the speaking channel and the instruction of the new speaking channel, an information channel provide at a frequency different from that of the speaking channel so as to transmit an originated call or an incoming call is utilized and when no new speaking channel can be secured at the radio base station 2, an exchange 3 refers to a radio base station arranging condition table 4 and secures the new speaking channel at the nearby radio base station. When the interference is generated at two mobile stations, the only one mobile station first perform the interference avoiding operation.

7. 发明专利

JPS6423655A SYSTEM FOR SOUND RECORDING AND REPRODUCING HOLD-TONE 失效
公开(公告)号：JPS6423655A
公开(公告)日：1989-01-26
申请号：JP17951187
申请日：1987-07-17
申请人： FUJITSU LTD
发明人： MATSUDA AKIO , KUBO MASAHIDE , HIROSE NORIMASA
IPC分类号： H04M1/00 , H04M1/80
摘要： PURPOSE:To adopt an arbitrary melody selected by a user as a hold-tone by providing a sound recording and reproducing means to sound record an arbitrary melody inputted from an external line and to send out the sound recorded melody to a telephone line and a handset as a hold-tone when a hold operating part is operated on a telephone set in an occupied state. CONSTITUTION:A sound recording and reproducing means 500 is provided on a telephone set 100. The sound recording and reproducing means 500 records an arbitrary melody to be transmitted from an external line and sends out the sound recorded melody as the hold-tone to a telephone line 400 and a handset 8 when a hold operating part 300 is operated on the telephone set 100 in an occupied state. Thus, an arbitrary melody to be selected by a user can be adopted as a hold-tone and the telephone set can be comfortably used.

8. 发明专利

JPS6420762A AUTOMATIC ANSWERING TELEPHONE SET 失效
公开(公告)号：JPS6420762A
公开(公告)日：1989-01-24
申请号：JP17767387
申请日：1987-07-15
申请人： FUJITSU LTD
发明人： HIROSE NORIMASA , KUBO MASAHIDE , SUDO YOZO
IPC分类号： H04M1/65 , H04M1/658
摘要： PURPOSE:To execute sufficient information transmission quickly and economically by starting a callback function provided on an exchange when an absence incoming call is detected by an incoming detection means after a response means sets the response state and setting the restoration state to the exchange after the response of other telephone set is detected. CONSTITUTION:A reply means 202 sets a response state to an exchange 100 when an incoming detection means 201 detects an absence incoming call. A callback means 203 starts the call back function provided to the exchange 100 after the response means 202 sets the response state to call a predetermined other telephone set 300. Moreover, after a transfer means 204 detects the response of other telephone set 300 to start the transfer function provided to the exchange 100 by setting the restoration state to the exchange 100 thereby transferring the incoming call to other telephone set 300. Thus, the absence incoming call to the automatic answering telephone set 200 is transferred to other prescribed telephone set 300 and the caller can talk with the called party directly.

9. 发明专利

JPH0670359A MOBILE BODY COMMUNICATION SYSTEM 失效
公开(公告)号：JPH0670359A
公开(公告)日：1994-03-11
申请号：JP21772492
申请日：1992-08-17
申请人： FUJITSU LTD
发明人： KUBO MASAHIDE , KIKUCHI TOSHIO
IPC分类号： H04Q7/22 , H04Q7/26 , H04Q7/04
摘要： PURPOSE:To provide the mobile body communication system in which an exchange station immediately copes with a fluctuation of a traffic condition in a service area without revision of device configuration of a base station. CONSTITUTION:A base station 21 is provided with one set of broad band amplifier means 26 and a signal transmission reception means 27 sending the signal through one transmission line 23 between the means 26 and an exchange station 22, and the exchange station 22 is provided with a signal transmission reception means 28, a transmission reception control means 29 detecting an object frequency from a signal inputted to outputted from the means 28 to control for the communication and managing whether or not the detected frequency is available for the communication, a signal conversion control means 31 converting the signal of the frequency detected by the means 29 into a base band signal and converting the base band signal from the exchange into the signal of an object frequency and a connection means 30 connecting the transmission reception control means 27 and the signal conversion control means 31 in response to the control of the transmission reception control means 29.

10. 发明专利

JPS60223284A PREVENTING CIRCUIT FOR LEAKAGE OF AUDIBLE SOUND 失效
公开(公告)号：JPS60223284A
公开(公告)日：1985-11-07
申请号：JP6216484
申请日：1984-03-31
申请人： FUJITSU LTD , HASEGAWA DENKI SEISAKUSHO
发明人： IITAKA EIJI , KUBO MASAHIDE , TAKANO HISAHITO
IPC分类号： H04Q3/58 , H04M1/72 , H04M9/00 , H04M9/08 , H04M19/04
摘要： PURPOSE:To transmit the audible sounds through a speaker and also to prevent leakage of these sounds to a subscriber at the remote side, by connecting a circuit having a low input Z and a high output Z between call lines and a speaker amplifier and connecting the output of an audible sound generating circuit between the amplifier and said circuit connected between the call lines and the amplifier. CONSTITUTION:A transistor circuit 15 having a low input impedance and a high output impedance is connected between call lines L1 and L2 and an amplifier 6 which drives a speaker 7. Then an output terminal of an audible sound generating circuit 18 is connected between the circuit 15 and the amplifier 6. Therefore an audible sound given from the circuit 8 has a low impedance at the side of the amplifier 6 and a high impedance at the side of the circuit 15. Thus the sound is transmitted only to the amplifier 6, and the leakage of the audible sounds can be avoided by the circuit 15 to a subscriber at the remote side.

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