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    • 2. 发明专利
    • SHIP STEERING ASSIST DEVICE FOR ESCAPE NAVIGATION
    • JPH09267797A
    • 1997-10-14
    • JP8019096
    • 1996-04-02
    • MITSUBISHI HEAVY IND LTD
    • MATSUDA KAZUONAKAGAWA HIROMI
    • B63H25/04B63B43/18B63B49/00
    • PROBLEM TO BE SOLVED: To provide a recommended deceleration pattern to a mate and to avoid the danger of clashing to as to contribute to safe traveling if the danger of clashing with another ship occurs during traveling in a region in which steering is impossible. SOLUTION: A clash preventing device 1 measures TCPA(time from a closet point to a clashing danger ship) for other ships, DCPT(distance from a closest point to the clashing danger ship), direction and distance from the self ship and the course and the speed of other ships. A clash avoidance planning device 6 makes a clash avoidance plan based on data for the other ships from the clash preventing device 1, a self ship position from a position measuring device 2, a ship speed from a speed meter 3, a ship bow direction from a gyro 4 and a self ship closing circle radius value (r) inputted from a key board 5, if the plan can be made, provides the recommended deceleration pattern as the result of processing to a navigation officer by displaying the same on a display device 7, and if the plan cannot be made, sends data to an alarm producing device 8 and produces an alarm. The mate steers the ship according to the deceleration pattern displayed on the display device 7, avoids clashing with another ships and thereby navigates the ship safely.
    • 5. 发明专利
    • STRANDING PREVENTIVE ALARM DEVICE FOR VESSEL
    • JPH07165178A
    • 1995-06-27
    • JP31366393
    • 1993-12-14
    • MITSUBISHI HEAVY IND LTD
    • MATSUDA KAZUOKUGA HIROMI
    • G01C21/00B63B43/18B63B49/00G01S7/48G08G3/02
    • PURPOSE:To enable the proper and speedy judgement for the danger of stranding, free from uselessness, by carrying out the judgement for the danger in consideration of the position and direction of an own vessel, vessel speed, and the refuge line elements. CONSTITUTION:A stranding preventing alarm device is equipped with a position measuring device 11 for measuring the position of an own vessel, speedometer 12 for measuring the speed of the own vessel, gyuro 13 for detecting the direction (bow direction) of the own vessel, and a marine chart data base 14 storing the data of the stranding refuge lines joining the points of the equal water depth in the danger of stranding. A stranding danger judging device 15 sets the rectangular including the own vessel which is determined according to the size of the vessel and the vessel speed, in the advance direction of the vessel, on the basis of the position of the own vessel which is obtained from the position measuring device 11, direction of the own vessel obtained by the gyro 12, and the speed signal of the own vessel supplied from the speedometer 13, and judges if the bent point of the stranding refuge line read out from the marine chart data base 14 is set in the rectangular region or not, or the bent lines of the stranding refuge lines cross or not, and if the danger of stranding is judged, an alarm signal is outputted to the stranding alarm generating device 16, and an alarm is transmitted.
    • 6. 发明专利
    • WAVE CHARACTERISTIC EXTRACTOR
    • JPH06273198A
    • 1994-09-30
    • JP8152693
    • 1993-03-16
    • MITSUBISHI HEAVY IND LTD
    • HASE SATOSHIMATSUDA KAZUO
    • G01D21/00B63B39/00G01C13/00
    • PURPOSE:To use as information of steering a ship by obtaining an absolute wave height from a vertical displacement of a bow obtained by a vertical acceleration sensor and an output of a wave height gage, generating its power spectrum, setting a wave direction, obtaining an angle of wave encounter, converting the spectrum into a wave frequency base, and obtaining a significant wave height, a mean frequency. CONSTITUTION:A bow displacement calculator 3 calculates a vertical displacement of a bow based on a detection signal from a vertical acceleration sensor 1, and an absolute wave height calculator 4 calculates an absolute wave height from outputs of a wave height meter 2 and the calculator 3. A power spectrum calculator 5 stores the output signal of the calculator 4 for a predetermined time, and generates a power spectrum. An angle-of-wave encounter calculator 6 sets a wave direction from a direction of an own ship, and obtains an angle of wave encounter. Thus, a spectrum converter 7 converts the spectrum into a wave frequency base, and a significant wave height, mean wave frequency identifier 8 identifies a significant wave height, a mean wave frequency from the output, and a final calculator 9 calculates a mean wave length, a peak wavelength, and a frequency from the output of the identifier 8.
    • 7. 发明专利
    • EVACUATION SAILING SHIP ASSISTING DEVICE
    • JPH04167100A
    • 1992-06-15
    • JP29215690
    • 1990-10-31
    • MITSUBISHI HEAVY IND LTD
    • KANAMARU HIDEYUKIMATSUDA KAZUO
    • G08G3/00
    • PURPOSE:To securely avoid reefs, shallows, other ships in safety by automatically navigating a ship along an evacuation course planned by referring to a knowledge base of the experience of navigation officers, rules, etc., according to strand dangerous areas and other ship data. CONSTITUTION:An evacuation course planning device sets the evacuation course according to the strand dangerous areas stored in a storage device 14 and the other ship data received from a radar 5 so that the course does not cross both closed areas of each other ship data which are calculated by a closed area arithmetic unit 11. At this time, the rules and experience in the knowledge base 15 are referred to and the course which is safe and meets the rules is determined finally. The planned evacuation course which is obtained is displayed on the screen on a CRT display device 16 together with the strand danger areas, other ships, and the mark of this ship, thereby monitoring the course at all times. Consequently, the safety and reliability of the evacuation sailing from the shallows, reefs, and other ships are improved to lighten the operation load on the navigators and save the labor of crews.
    • 8. 发明专利
    • Controller for motor
    • 电机控制器
    • JPS59136084A
    • 1984-08-04
    • JP1036583
    • 1983-01-25
    • Mitsubishi Heavy Ind Ltd
    • MATSUSHIMA KAZUOMATSUDA KAZUO
    • H02P1/58H02P5/00
    • H02P1/58
    • PURPOSE:To safely and automatically switch and operate a motor by connecting the first and second starter circuits for respectively driving the first and second motors through an electro-optic converter, an optical fiber and a photoelectric converter. CONSTITUTION:A starter circuit 31 for driving a motor 32 and a starter circuit 33 for driving a motor 34 are provided, the current of the motor 32 is detected by a CT37, applied to an electro-optic converter 38, connected to a photoelectric converter 40 in the circuit 33 through an optical fiber 39, the current of a motor 34 is detected by a CT52, applied to an electro-optic converter 53, connected to a photoelectric converter 49 in a starter circuit 31 through an optical fiber 54, thereby controlling contacts 57, 43. Accordingly, when a breaker 36 or 51 of a motor is opened during operation, it can be automatically switched to other stopping motor, and since an optical device is used, a trouble such as an electric shock can be prevented.
    • 目的:通过连接第一和第二起动电路,通过电光转换器,光纤和光电转换器分别驱动第一和第二电动机来安全自动地切换和操作电动机。 构成:设置用于驱动电动机32的起动电路31和用于驱动电动机34的起动电路33,电动机32的电流被施加到电光转换器38的CT37检测,电光转换器38连接到光电转换器 在电路33中通过光纤39将电动机34的电流检测到通过光纤54连接到起动电路31中的与光电转换器49连接的电光转换器53的CT52,从而 因此,当电动机的断路器36或51在操作期间打开时,可以自动切换到其它停止电动机,并且由于使用光学装置,因此可以防止诸如电击的故障 。
    • 10. 发明专利
    • PORT MANAGEMENT SYSTEM
    • JPH1040500A
    • 1998-02-13
    • JP19778596
    • 1996-07-26
    • MITSUBISHI HEAVY IND LTD
    • MATSUDA KAZUONAKAGAWA HIROMI
    • B63H25/04B63B49/00G01S13/91G08G3/02
    • PROBLEM TO BE SOLVED: To improve the safety on marine traffic and to enable marine traffic control even in an accident, etc., by enabling the communication of abundant information between the port manager side and a ship. SOLUTION: A ship sailing around a port measures its position, side and heading with a position measuring device 3, a speeomenter 33 and gyro 34, and transmits these information to a port managing facility from a communication control device 31 via a moving body satellite 13. The port managing facility received the ship information with a communication control device 21. When the ship information is received, a port managing device 23 displays it together with an electronic marine chart, performs traffic management judgment of the ship, and outputs the traffic control information to the communication control device 21. The communication control device 21 transmits the control information and marine chart information to corresponding ships via the moving body satellite 13. The ship side receives the control information and the marine information directed to its own by the communication control device 31, displays the control information on a marine chart display device 35 together with the electronics marine chart, and sails on the port based on these information.