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1. 发明专利

JP2000209008A ANTENNA SYSTEM 失效
公开(公告)号：JP2000209008A
公开(公告)日：2000-07-28
申请号：JP899399
申请日：1999-01-18
申请人： FUJITSU LTD
发明人： TSURUMAKI TAKAYOSHI
IPC分类号： H01Q1/02
摘要： PROBLEM TO BE SOLVED: To effectively melt the snow fallen on an antenna device. SOLUTION: A snow protection sheet 11 has a blowing port 11a-1 to transmit the radio waves and covers an antenna 20. A warm air generator 13 sends the warm air into the sheet 11 via the port 11a-1 and melts the snow fallen on the sheet 11. A heater 12 placed on the antenna 20 melts the snow fallen on a radio wave transmitter-receiver 30 which transmits and receives the radio waves.

2. 发明专利

JPH05102901A COMMUNICATION SATELLITE CHECKER 失效
公开(公告)号：JPH05102901A
公开(公告)日：1993-04-23
申请号：JP26168391
申请日：1991-10-09
申请人： FUJITSU LTD
发明人： TSURUMAKI TAKAYOSHI
IPC分类号： H04B7/15 , H04B1/16 , H04B7/155 , H04B17/00
摘要： PURPOSE:To surely catch the desired one of plural communication satellites by detecting the output signal of a BPF which transmits the telemetry signal for communication satellite and displaying the detected signal at a display part. CONSTITUTION:The telemetry signals which are assigned by the different frequencies corresponding to the communication satellites respectively and transmit the data on the states of each part of the satellites to a ground station are received by the BPF 1-1-1-n having a pass center frequency corresponding to each satellite. Then the detecting parts 2-1-2-n detect the output signals of the BPF 1-1-1-n, and the communication satellite that received the output signals higher than a prescribed level corresponding to the output parts, i.e., the telemetry signals is shown at the part 3 through a lamp, a buzzer, the characters, etc. Thus it is possible to surely catch the desired one of those communication satellites that transmit the signals of the same frequency to a reception-only station on the ground.

3. 发明专利

JPH09135113A SATELLITE ACQUISITION DEVICE 失效
公开(公告)号：JPH09135113A
公开(公告)日：1997-05-20
申请号：JP28965695
申请日：1995-11-08
申请人： FUJITSU LTD
发明人： TSURUMAKI TAKAYOSHI , ICHIYANAGI KAZUHIRO
IPC分类号： G01C1/02 , H01Q3/00
摘要： PROBLEM TO BE SOLVED: To eliminate the need for an expert measurement personnel, to unnecessitate installation space and to reduce adjustment time and also preparation expense by providing a magnetic polar sphere, a parameter setting member, a base having a setting face with a longitude scale, and an adjustment/attachment.detachment mechanism. SOLUTION: A cross point between a diametrical circle and a diameter of a magnetic polar sphere 1 is indicated on the sphere 1 as A, a half circle of the diametrical circle passing through the point A toward the magnetic pole N is drawn in a red line and denoted as N, the other half line is drawn in a white line and denoted as S. A diametrical circle on which the latitudes of 0 deg. and 180 deg. are indicated is arranged on the surface of a spherical body of a parameter setting member 2 and a scale of the latitude 0 to ±90 deg. is written on the line, and a cross point between the diameter of the sphere and the point of ±90 deg. is denoted as a point B. The reference scales N, S and the longitude scales are made at opposite positions passing through the center at the circumferential ridge of a semi-imbeded circular hole of the base 6 and the scales N, S are extended up to a lowermost ridge of the opposed side faces of the base 6. In addition, the device is provided with an attachment.detachment mechanism 5 fixing the base 6 to a radio wave transmission reception section 77 of an antenna 7 and a horizontal adjustment means 4 with two orthogonal axes to adjust the setting face 3 horizontally.

4. 发明专利

JPH07221501A ANTENNA SYSTEM AND SATELLITE COMMUNICATION RECEPTION SYSTEM 失效
公开(公告)号：JPH07221501A
公开(公告)日：1995-08-18
申请号：JP929294
申请日：1994-01-31
申请人： FUJITSU LTD
发明人： KUBO KAZUHARU , TSURUMAKI TAKAYOSHI , TAMURA MASAHIRO
IPC分类号： H01P1/02 , H01P1/04 , H01P1/165 , H01Q1/24 , H01Q5/00 , H04B1/18
摘要： PURPOSE:To minimize a reception disable state to the utmost even on the occurrence of a fault with respect to the antenna system receiving a radio wave from a communication satellite, converting and amplifying the received wave and providing the result to a receiver, and the satellite communication reception system including the receiver. CONSTITUTION:A straight waveguide 10 and a twisted waveguide 20 are provided to a converter section 2 of the antenna system, the direction of a polarized wave from the straight waveguide 10 and a twisted waveguide 20 entering LNBs 50, 60 is the same as each other to allow the direction and the configuration of the two LNBs 50, 60. Furthermore, the two LNBs 50, 60 are fixed to a fixing adaptor 40 and it is slidably fitted to a support unit 30. Thus, even when either of the LNBs 50, 60 is faulty, the LNB 50 or 60 not faulty is used for a spare and replaced simply by moving. Thus, the replacement of the LNBs 50, 60 is facilitated and the reception is quickly restarted.

5. 发明专利

JPH04287425A MICROWAVE RECEPTION ANTENNA SYSTEM 失效
公开(公告)号：JPH04287425A
公开(公告)日：1992-10-13
申请号：JP5184991
申请日：1991-03-18
申请人： FUJITSU LTD
发明人： TSURUMAKI TAKAYOSHI , OGATA FUMIAKI
IPC分类号： H01P1/10 , H04B1/18 , H04B7/155
摘要： PURPOSE:To realize the microwave reception antenna system able to restore satellite reception safely and quickly on a sudden occurrence of a fault of a block converter used for the microwave reception antenna system employed for a satellite communication reception exclusive station (TVRO). CONSTITUTION:Two block converters 200,300 receive polarized waves opposite to each other respectively by interposing a waveguide switch 400 and connection waveguides 500a-500d between each of polarized wave output terminals 100a,100b of an orthogonal polarized wave separation branching device 100 and the two block converters 200, 300, and then the two block converters 200,300 mutually act like being a standby converter. Moreover, preferably the waveguide switch 400 is provided with a switch operation section to directly operate a rotary shaft manually or with a jig.

6. 发明专利

JPH01266310A INTERCONNECTOR FOR WAVEGUIDE 失效
公开(公告)号：JPH01266310A
公开(公告)日：1989-10-24
申请号：JP9111488
申请日：1988-04-13
申请人： FUJITSU LTD
发明人： TSURUMAKI TAKAYOSHI
IPC分类号： H01P1/04 , F16B7/18 , F16B7/22
摘要： PURPOSE:To enable the connection and disconnection of waveguides to and from each other easily and in a short time by inserting the restriction member of a connection fitting in a flange hole and fixing the connection fitting to a flange with the tip of the aforesaid restriction member kept inserted in the end hole of the connection fitting. CONSTITUTION:Flanges 2a and 2b are abutted to each other and the restriction members 141 and 142 of the first connection fittings 101a and 102a, and flanges 211 and 212 are passed through a flange hole 3. Positional restriction fittings 141 and 142, and the flanges 211 and 212 are passed through the end holes 171 and 172 of the second connection fittings 102a and 102b, and the flanges 211 and 212. Then, the first connection fittings 101a and 102a, and the second connection fittings 102a and 102b are connected to the flanges 2a and 2b with bolts 111 and 112, and nuts 121 and 122, thereby pressing the flanges 2a and 2b to each other. According to the aforesaid construction, waveguides 1a and 1b can be connected and disconnected to and from each other easily and in a short time.

7. 发明专利

JPH0955611A RADIO COMMUNICATION EQUIPMENT 失效
公开(公告)号：JPH0955611A
公开(公告)日：1997-02-25
申请号：JP20573895
申请日：1995-08-11
申请人： FUJITSU LTD
发明人： TSURUMAKI TAKAYOSHI , KURACHI KOICHI , ISHIKAWA KEIICHI
IPC分类号： H01Q3/00 , H01Q1/08 , H01Q1/12 , H01Q13/00
摘要： PROBLEM TO BE SOLVED: To easily and quickly conduct a job to set a communication opening state including direction setting of an antenna by containing all devices required for radio communication inside a box. SOLUTION: An antenna main body support fixture 32 is fitted to an antenna reflecting mirror 25 and positioned and fixed by tightening all knob screws. A thread means 27 and a fixing means 28 are coupled with a box 22. An antenna main body 31 having been extracted in advance from the inside of the box 22 is touched from an upper side of a support jib main body 135 and in press contact with a positioning member 412 and positioned and a knob screw is set through an insertion hole and screwed to the main body 31 from a rear side of the main body 135 and tightened and fixed. Then a direction of a beam from an antenna system is an upper oblique direction reverse to a direction of a horn antenna 33 of the main body 31 directed in the oblique direction to the reflection mirror 25. A high/low angular direction is fine- adjusted by adjusting a support means consisting of the means 27, 28.

8. 发明专利

JP2533688B2 失效
公开(公告)号：JP2533688B2
公开(公告)日：1996-09-11
申请号：JP29207590
申请日：1990-10-31
申请人： FUJITSU LTD
发明人： OGATA FUMIAKI , TSURUMAKI TAKAYOSHI
IPC分类号： H01Q1/02 , H01Q1/42

9. 发明专利

JPH05300064A 失效
公开(公告)号：JPH05300064A
公开(公告)日：1993-11-12
申请号：JP10147892
申请日：1992-04-22
申请人： FUJITSU LTD
发明人： TSURUMAKI TAKAYOSHI
IPC分类号： H04B1/18 , H04B7/155 , H04B17/00 , H04B17/29
摘要： PURPOSE:To confirm an output level of an LNB and to locate a faulty location without removing the IF cable connecting to the LNB by providing the monitor distributer between the LNB and the IF cable. CONSTITUTION:The monitor use IF distributer 1 is arranged between an IF cable and a low noise amplifier board LNB installed at an outdoor antenna section. The monitor use IF distributer 1 is made up of a power supply lamp 11 connected to an output terminal of the LNB side of a DC power line in common use a signal line in the distributer 1 and observed visually externally, two DC interrupters 12 interrupting the DC component of a DC power supply in common use for the signal line, and a 2distributer 13 dividing only the signal whose DC component is cut off into two ways. A level of the reception signals distributed into two is outputted from a monitor terminal, used for monitoring the reception signal and the supply of DC power to the LNB is confirmed by the lighting of the power supply lamp 11 when the DC power is supplied from an indoor equipment to the LNB.

10. 发明专利

JPH01159975A HIGH FREQUENCY CONNECTOR 失效
公开(公告)号：JPH01159975A
公开(公告)日：1989-06-22
申请号：JP31806787
申请日：1987-12-15
申请人： FUJITSU LTD
发明人： TSURUMAKI TAKAYOSHI
IPC分类号： H01R9/05
摘要： PURPOSE:To eliminate mismatching of impedance and stabilize the transmission characteristics by connecting the connecting part of a grounding terminal in connecting with a flange to a ground pattern. CONSTITUTION:A high frequency connector 6 includes an insulator 61 consisting of, for ex., Teflon, which is protruded semicircularly in contact with the periphery of a center 63. At the periphery of this insulator 61 a tie wire 71 of a ground terminal 7 made from a pair of conductor metal plates of Cu, for ex., formed in L-shape is connected with a flange 63 and attached to the periphery and the connecting part 72 at the tip is bent in the same direction and stretched alongside. The insulator 61 is inserted in a connector insert hole 11 provided at the casing wall surface 1, and thereto another flange 62 is fixed using a fastening screw 4 and a nut 5. The center conductor 63 is connected with the signal pattern of a circuit board 2, and the above-mentioned connecting part 72 installed alongside the insulator 61 of the high frequency connector 6 is opened to the two sides and put in contact with the ground pattern of the circuit board 2 followed by fixing with solder 81. This permits the shortest and secure ground connection of the high frequency connector and circuit board with the ground pattern in the matched condition.

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