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    • 5. 发明授权
    • Display apparatus for a vehicle
    • 用于车辆的显示装置
    • US06731436B2
    • 2004-05-04
    • US10327895
    • 2002-12-26
    • Koji IshiiMasayuki Ogawa
    • Koji IshiiMasayuki Ogawa
    • G02B2714
    • G02B27/01B60K2350/1084G02B2027/0138G02B2027/014
    • For displaying a virtual image without hindering from seeing a front view, a display apparatus for a vehicle includes a storage device 21b for storing a distance information of superimposed viewing, the distance information indicating a distance between an obstacle in the view ahead a vehicle and the vehicle when the obstacle and, a virtual image of a picture projected on a windshield are viewed as a superimposed front view; distance measuring means 40 for measuring a distance between the vehicle and the obstacle; judging means 21a1 for judging whether or not the virtual image is superimposed on the obstacle; and control means 21a2 for stopping the projection of the virtual image when it is judged that the virtual image is superimposed on the obstacle.
    • 为了显示虚拟图像而不妨碍看到前视图,车辆的显示装置包括存储装置21b,用于存储叠加观看的距离信息,该距离信息指示车辆前方的障碍物与车辆前方的距离 当障碍物和投影在挡风玻璃上的图像的虚拟图像被视为重叠前视图时; 用于测量车辆与障碍物之间的距离的测距装置40; 用于判断虚像是否叠加在障碍物上的判断装置21a1; 以及控制装置21a2,用于当判定虚像重叠在障碍物上时停止虚像的投影。
    • 6. 发明授权
    • Monitoring apparatus
    • 监控装置
    • US06388749B1
    • 2002-05-14
    • US09442233
    • 1999-11-17
    • Hiroshi YamashitaHiroshi IwataSetsuo SuzukiToshihiro TokudomeMasayuki OgawaIsao KodakaMasatoshi KakuHisao Usogoe
    • Hiroshi YamashitaHiroshi IwataSetsuo SuzukiToshihiro TokudomeMasayuki OgawaIsao KodakaMasatoshi KakuHisao Usogoe
    • G01N2184
    • B65H26/025B65H2511/413B65H2553/42B65H2801/84D21F7/04B65H2220/01
    • There is provided a monitoring apparatus for preventing paper breakage. For this monitoring apparatus, a light source 9 is disposed on the upper side of a wet paper 1, and a light emitting face thereof faces downward. An operation-side camera 5a and a drive-side camera 5b are disposed on the side opposite to the light source 9 with respect to the wet paper 1, and a lens face thereof faces upward. Light 9a of the light source 9 passes through the wet paper 1 after being reflected from a mirror 11, and is caught by the cameras 5a and 5b. Thus, the cameras 5a and 5b photograph a silhouette (image) of the light 9a of the light source 9, which has passed through the wet paper 1. This image is sent to an image processing unit 6, where the image is processed. The coordinates of a boundary line such that the wet paper 1 separates from a center roll 2 is detected from the images photographed from two directions. This coordinate value is sent to a computer 8. The computer 8 converts the value into a movement amount in each sampling cycle to determine the change amount and frequency of a separation point 3 and the whole shape of separation lines 3a and 3b. Thereby, a machine trouble resulting in paper breakage can be predicted.
    • 提供了一种用于防止纸张断裂的监控装置。 对于该监视装置,光源9设置在湿纸1的上侧,并且其发光面朝下。 操作侧照相机5a和驱动侧照相机5b相对于湿纸1设置在与光源9相反的一侧,并且其透镜面朝上。 光源9的光9a在从反射镜11反射之后穿过湿纸1,被照相机5a和5b夹住。 因此,相机5a和5b拍摄已经通过湿纸1的光源9的光9a的轮廓(图像)。该图像被发送到处理图像的图像处理单元6。 从两个方向拍摄的图像中检测出湿纸1与中心卷2分离的边界线的坐标。 该坐标值被发送到计算机8.计算机8将该值转换为每个采样周期中的移动量,以确定分离点3的变化量和频率以及分离线3a和3b的整体形状。 因此,可以预测导致纸破损的机器故障。
    • 10. 发明授权
    • Apparatus for measurement by digital spectrum analyzer
    • 数字频谱分析仪测量装置
    • US4607216A
    • 1986-08-19
    • US654132
    • 1984-09-25
    • Takahiro YamaguchiMasayuki OgawaToshiharu Kasahara
    • Takahiro YamaguchiMasayuki OgawaToshiharu Kasahara
    • G01R27/28G01R23/16
    • G01R23/16
    • A frequency range of measurement is divided into a plurality of regions. For each region a test signal suitable for measurement of the region is generated independently, and the test signal is supplied to a device under test. The output of the device under test is converted by an AD converter into a digital signal, which is then subjected to fast Fourier transform. For each region the sensitivity of the AD converter is set for optimal conversion of the signal level at its input side by the converter, and then the fast Fourier transform is carried out. On the basis of the sensitivity set for one of the regions, the magnitude of the fast Fourier transform output in each of the other regions is corrected according to the sensitivities set for the other regions.
    • 测量的频率范围被分成多个区域。 对于每个区域,独立地生成适合于该区域的测量的测试信号,并且将测试信号提供给被测设备。 被测器件的输出由AD转换器转换为数字信号,然后进行快速傅里叶变换。 对于每个区域,AD转换器的灵敏度被设置用于通过转换器在其输入侧的信号电平的最佳转换,然后执行快速傅里叶变换。 基于为一个区域设置的灵敏度,根据为其他区域设置的灵敏度来校正每个其他区域中的快速傅里叶变换输出的幅度。