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    • 2. 发明专利
    • Mobile attitude-detecting apparatus
    • 手机智能检测设备
    • JP2006126181A
    • 2006-05-18
    • JP2005282515
    • 2005-09-28
    • Mitsubishi Electric Corp三菱電機株式会社
    • UEDA FUMIOISHIGAMI TADATOMIKUMAZAWA HIROYUKIKASHIWABARA MASANOBU
    • G01S19/05G01S19/28G01S19/55
    • PROBLEM TO BE SOLVED: To provide a mobile attitude-detecting apparatus capable of detecting the absolute attitude of a mobile, even at a place where radio waves can reach only from about two positioning satellites that are positionable and that are near the zenith. SOLUTION: The mobile attitude-detecting apparatus comprises an antenna 1 for arranging a plurality of receiver elements 1-1 to 1-3; a satellite direction acquiring means 2 for determining the satellite directional information defining sight line direction to the positioning satellites from a position determined, based on information related to positions of the receiver elements of the antenna 1, or the mobile or an approximate position approximating this position; a base line vector detecting means 3 for respectively determining the phase differences between the receiver elements, with respect to navigation waves received from at least two positioning satellites and then detecting base line vectors of the combination of at least a pair of receiver elements, receiving navigation waves from the positioning satellites, based on these phase differences and the satellite directional information; and an attitude calculating means 4 for calculating the attitude defined by the base line vector as the attitude of the mobile. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供一种能够检测移动台的绝对姿态的移动姿势检测装置,即使在无线电波只能从可定位的几个定位卫星处接近天顶的地方 。 解决方案:移动姿态检测装置包括用于布置多个接收器元件1-1至1-3的天线1; 卫星方向获取装置2,用于根据与天线1的接收机元件的位置相关的信息或接近该位置的近似位置确定从定位卫星确定瞄准线方向的卫星方向信息 ; 基线向量检测装置3,用于相对于从至少两个定位卫星接收的导航波分别确定接收器元件之间的相位差,然后检测至少一对接收器元件的组合的基线矢量,接收导航 基于这些相位差和卫星定向信息的定位卫星的波; 以及姿态计算装置4,用于计算由基线矢量定义的姿势作为移动体的姿态。 版权所有(C)2006,JPO&NCIPI
    • 3. 发明专利
    • Mobile station, dgps basis station, dgps center station and dgps positioning system
    • 移动站,DGPS基站,DGPS中心站和DGPS定位系统
    • JP2006112822A
    • 2006-04-27
    • JP2004297755
    • 2004-10-12
    • Mitsubishi Electric Corp三菱電機株式会社
    • ISHIGAMI TADATOMIUEDA FUMIOKUMAZAWA HIROYUKIKASHIWABARA MASANOBU
    • G01S19/07G01S19/10G01S19/22G01S19/41G01S19/46
    • PROBLEM TO BE SOLVED: To solve the problem, wherein error correction of pseudo range caused by a multipath generated by reflection of radio waves transmitted from a GPS satellite by architecture, such as a building, has been is difficult in GPS positioning and DGPS positioning.
      SOLUTION: This mobil station is equipped with a GPS receiver 31 for receiving a navigation message from the GPS satellite 1 and calculating the pseudo-distance from a propagation time of the radio waves, a satellite position calculation means 3211 for calculating the position of the GPS satellite 1 by utilizing the navigation message, a communication apparatus 33 for receiving positioning reinforcement data transmitted from a DGPS basis station and containing DGPS corrected data and a transmission time, a pseudo-distance correction means 3212 for correcting the pseudo distance from the GPS satellite by using the DGPS corrected data or the navigation message, a relative distance calculation means 3215 for calculating the distance from the DGPS reference station 2 by the positioning reinforced data, and a positioning calculation means 3213 for calculating own position, by using the position of the GPS satellite 1, the pseudo distance from the GPS satellite, the position of the DGPS reference station 2 and the distance from the DGPS reference station.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 解决的问题为了解决这样一个问题,其中由诸如建筑物这样的体系结构的从GPS卫星发射的无线电波的反射产生的由多径产生的伪距造成的误差校正在GPS定位中是困难的, DGPS定位。 解决方案:该移动台配备有GPS接收器31,用于从GPS卫星1接收导航消息,并从无线电波的传播时间计算伪距离;卫星位置计算装置3211,用于计算位置 GPS通信装置33,用于接收从DGPS基站发送并且包含DGPS校正数据和发送时间的定位加强数据的通信装置33,用于从所述导频消息中校正伪距离的伪距离校正装置3212, 通过使用DGPS校正数据或导航消息的GPS卫星,通过定位加强数据计算与DGPS参考站2的距离的相对距离计算装置3215,以及通过使用位置来计算自身位置的定位计算装置3213 的GPS卫星1,距离GPS卫星的伪距离,DGPS的位置 演播站2和距离DGPS参考站的距离。 版权所有(C)2006,JPO&NCIPI
    • 4. 发明专利
    • Gps receiver
    • GPS接收器
    • JP2011053223A
    • 2011-03-17
    • JP2010258962
    • 2010-11-19
    • Mitsubishi Electric Corp三菱電機株式会社
    • ISHIGAMI TADATOMIUEDA FUMIOKUMAZAWA HIROYUKIKASHIWABARA MASANOBU
    • G01S19/37G01S19/22
    • PROBLEM TO BE SOLVED: To provide a GPS receiver with a higher degree of positioning precision with a reduction in pseudo-distance error without inviting a degradation in availability. SOLUTION: Smoothing means smoothes a pseudo-distance by using a rate of change in pseudo-distance presently measured by signal processing means and, when a difference between a difference value between the previously measured pseudo-distance and the presently measured pseudo-distance and the presently measured rate of a change in pseudo-distance is smaller than or equal to a predetermined threshold value, calculates a weighting factor from the pseudo-distance previously measured by the signal processing means, the presently measured pseudo-distance, and the presently measured rate of change in pseudo-distance, and performs smoothing by using the weighting addition of the presently measured pseudo-distance and the presently measured rate of a change in pseudo-distance according to the weighting factor. The current position is positioned from the pseudo-distance smoothed by the smoothing means and the position of a GPS satellite as specified by a satellite position specifying means. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供具有更高程度的定位精度的GPS接收机,同时减少伪距离误差,而不会降低可用性。 解决方案:平滑装置通过使用由信号处理装置目前测量的伪距离的变化率来平滑伪距离,并且当先前测量的伪距离与当前测量的伪距离之间的差值 距离和当前测量的伪距离变化的速率小于或等于预定阈值,从先前由信号处理装置测量的伪距离,当前测量的伪距离和 目前测量的伪距离的变化率,并且根据加权因子通过使用当前测量的伪距离的加权相加和伪距离变化的当前测量速率来执行平滑。 当前位置从由平滑装置平滑的伪距离和由卫星位置指定装置指定的GPS卫星的位置定位。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • METHOD FOR DETECTING NUMBER OF ROTATIONS
    • JPH036459A
    • 1991-01-11
    • JP14181789
    • 1989-06-02
    • MITSUBISHI ELECTRIC CORP
    • KASHIWABARA MASANOBU
    • G01P3/489
    • PURPOSE:To detect the number of rotations at the time of a low speed with high accuracy by a simple method wherein the number of rotations of a drive apparatus is detected by a pulse generator and the number-of-rotation detection signal corresponding to the time elapse of a timer is outputted on the basis of the signal of said generator. CONSTITUTION:When pulse edge input is detected by the pulse generator 2 connected to a motor 1, a separately provided timer is started. The generator 2 detects the pulse width from the pulse edge of the previous time and the number of rotations of the motor 1 is calculated from the reciprocal of said pulse width by a number-of-rotation calculating circuit 3 and set to output number-of-rotation data. When the rotation of the motor 1 lowers and the pulse interval of the generator 2 becomes long and there is no pulse edge input, the number of rotations corresponding to the time elapse of the timer is taken out of a separately provided table to be outputted as a number-of-rotation detection signal.
    • 8. 发明专利
    • STEERING WHEEL OPERATING CONDITION DETECTOR FOR VEHICLE
    • JPH0310968A
    • 1991-01-18
    • JP14478689
    • 1989-06-06
    • MITSUBISHI ELECTRIC CORP
    • KASHIWABARA MASANOBU
    • G01B21/22B62D5/06B62D15/00B62D15/02G01D5/244G01D5/245
    • PURPOSE:To make it easy to detect failure by comparing the changing value of a signal which is A/D-converted from the output signal of a position detection means for detecting a steering angle, with the changing value of the number of generation of a pulse generator for detecting a steering angle speed, and judging pressure of failure when both changing values do not mutually proportional relation. CONSTITUTION:When a steering wheel 1 is manipulated, a variable resistor 6 and a pulse generator 9 acting as position detection means connected to a steering wheel shaft 2 are rotated in a linkage, the output signal of a variable resistor 6 is input via an A/D converter 6 to a microcomputer 8 to be used for detection of the absolute manipulated position of the steering wheel. Meantime, the output signal of the pulse generator 9 directly is input to the microcomputer 8 to differentiate pulse input number to be used for calculation to get a steering angle speed. In this case, the output change valve of the AD converter 7 and the pulse number generated by the pulse generator 9 are compared with each other, and when the both does not show mutually proportional relation, it is judged as failure of the variable resistor 6 or the pulse generator 9.