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    • 2. 发明授权
    • Height sensor and air cushion
    • 高度传感器和气垫
    • US5229829A
    • 1993-07-20
    • US924467
    • 1992-08-04
    • Norio NiheiMasatoshi OhishiMakoto Nakao
    • Norio NiheiMasatoshi OhishiMakoto Nakao
    • B60G17/00B60G11/46B60G17/015B60G17/019F16F9/32G01B11/14G01C3/06G01C5/00G01S17/10
    • G01S17/10B60G11/465B60G17/01933G01B11/14G01C5/00B60G2202/412B60G2204/111B60G2400/252B60G2401/14B60G2600/602B60G2600/604
    • A height sensor comprises a pair of light-emitting elements disposed at positions spaced at different distances from a surface desired to be measured, the elements alternately emitting light rays, and a light-receiving element for receiving a light ray generated from each light-emitting element and reflected by the measured surface, the element producing a signal corresponding to the quantity of light received. The signal outputted from the light-receiving element is logarithmically converted by a logarithmic converter circuit. The output thereof thus has its direct current components removed by a filter. The value, covering from one peak to another peak, of the remaining alternating current components is equal to the value obtained by subtracting a logarithmically converted value of the signal outputted from the light-receiving element when causing one light-emitting element to give forth a light ray, from a logarithmically converted value of the signal outputted from the light-receiving element when causing the other light-emitting element to give forth a light ray. By rectifying this filter output, it is possible to detect the height up to the measured surface without being influenced by dirt on the measured surface upon the output of the light-receiving element.
    • 高度传感器包括一对发光元件,其设置在与要测量的表面不同的距离处的位置处,所述元件交替地发射光线;以及光接收元件,用于接收从每个发光 元件并由测量的表面反射,该元件产生对应于所接收的光量的信号。 从光接收元件输出的信号由对数转换器电路对数转换。 其输出因此具有通过滤波器去除的直流分量。 剩余交流分量的从一个峰值到另一个峰值的值等于通过当使一个发光元件产生一个发光元件时减去从光接收元件输出的信号的对数转换值而获得的值 在从另一个发光元件发出光线时,从光接收元件输出的信号的对数转换值得到光线。 通过对该滤波器输出进行整流,可以在光接收元件的输出端检测测量表面的高度,而不受测量表面上的污物的影响。
    • 5. 发明授权
    • Method and apparatus for displaying bitmap multi-color image data on dot matrix-type display screen on which three primary color lamps are dispersedly arrayed
    • 在点阵式显示屏幕上显示位图多色图像数据的方法和装置,其上分散布置三个原色灯
    • US08085284B2
    • 2011-12-27
    • US11516330
    • 2006-09-06
    • Toyotaro TokimotoMasatoshi Ohishi
    • Toyotaro TokimotoMasatoshi Ohishi
    • G09G5/02
    • G09F9/30G09G3/32G09G2300/0439
    • A display screen comprises many pixel lamps arrayed uniformly and in a regular pattern. Pixel lamps come in three types (first- to third-color lamps), and image data to be displayed on the screen consist of bit-map type multi-colored data in which one pixel is represented by a set of three-type color data (first- to third-color data). Each color data plane on a bit-map image data plane is divided into many groups each consisting of a plurality of contiguous pixels, each group is correlated to each first color lamp on the display screen, an operation of selecting in a preset sequence first-color data of a plurality of pixels belonging to one group is repeated, and a first-color lamp correlating to each group is emission-driven according to a selected first-color data. (The same steps are followed for second- and third-color lamps).
    • 显示屏包括均匀排列并且以规则图案排列的许多像素灯。 像素灯有三种类型(一到三色灯),屏幕上显示的图像数据由位图型多色数据组成,其中一个像素由一组三色彩色数据表示 (第一到第三色数据)。 位图图像数据平面上的每个颜色数据平面被划分为多个组,每组由多个连续像素组成,每组与显示屏上的每个第一色灯相关联, 重复属于一个组的多个像素的颜色数据,并且根据所选择的第一颜色数据对与每个组相关联的第一色灯进行发射驱动。 (第二和第三色灯具遵循相同的步骤)。
    • 6. 发明授权
    • Method and device for displaying bit-map multi-colored image data on dot matrix type display screen on which three-primary-color lamps are dispersedly arrayed
    • 用于在点阵式显示屏幕上显示位图多色图像数据的方法和装置,其上分散布置三原色灯
    • US07187393B1
    • 2007-03-06
    • US09701095
    • 2000-03-24
    • Toyotaro TokimotoMasatoshi Ohishi
    • Toyotaro TokimotoMasatoshi Ohishi
    • G09G5/02
    • G09F9/30G09G3/32G09G2300/0439
    • A display screen comprises many pixel lamps arrayed uniformly and in a regular pattern. Pixel lamps come in three types (first- to third-color lamps), and image data to be displayed on the screen consist of bit-map type multi-colored data in which one pixel is represented by a set of three-type color data (first- to third-color data). Each color data plane on a bit-map image data plane is divided into many groups each consisting of a plurality of contiguous pixels, each group is correlated to each first color lamp on the display screen, an operation of selecting in a preset sequence first-color data of a plurality of pixels belonging to one group is repeated, and a first-color lamp correlating to each group is emission-driven according to a selected first-color data. (The same steps are followed for second- and third-color lamps).
    • 显示屏包括均匀排列并且以规则图案排列的许多像素灯。 像素灯有三种类型(一到三色灯),屏幕上显示的图像数据由位图型多色数据组成,其中一个像素由一组三色彩色数据表示 (第一到第三色数据)。 位图图像数据平面上的每个颜色数据平面被划分为多个组,每组由多个连续像素组成,每组与显示屏上的每个第一色灯相关联, 重复属于一个组的多个像素的颜色数据,并且根据所选择的第一颜色数据对与每个组相关联的第一色灯进行发射驱动。 (第二和第三色灯具遵循相同的步骤)。
    • 7. 发明授权
    • Led Lamp
    • 点灯
    • US06348766B1
    • 2002-02-19
    • US09706633
    • 2000-11-06
    • Masatoshi OhishiToyotaro TokimotoFumio Imai
    • Masatoshi OhishiToyotaro TokimotoFumio Imai
    • H05B3700
    • H05B33/0893H05B37/03Y10S362/80Y10S362/806
    • A LED lamp with an integrally build-in a function for preannouncement end of life time in a LED lamp per se and to realize the LED lamp having such function with simple construction and at low cost. The LED lamp system has an alternating current power source connecting portion for receiving an alternating current, a power source converting portion for receiving the alternating current and rectifying the received alternating current for generating a direct current power, LED group consisted of a plurality of LEDs and received a direct current power output from the power source converting portion, the LED group having a life time preannouncement portion for integrating power supply period for issuing preannouncement indicative of approaching to the end of the life. The life time preannouncement portion includes counting means for measuring the power supply period on the basis of a frequency of the alternating power source, integrating means for integrating the power supply period measured by the counting means and storing the integrated value in a non-volatile memory, and power supply mode control means for controlling illumination of LEDs at different modes including a normal lighting modes, the power supply mode control means being responsive to an integrated value of the integrating means in excess of a predetermined criterion to operate in a predetermined life time preannouncement mode.
    • 一种具有一体化内置功能的LED灯,用于在LED灯本身中预先通知使用寿命结束,并且以简单的结构和低成本实现具有这种功能的LED灯。 LED灯系统具有用于接收交流电的交流电源连接部分,用于接收交流电流并整流所接收的交流电流以产生直流电力的电源转换部分,由多个LED组成的LED组和 接收从电源转换部分输出的直流电力,该LED组具有用于整合用于发出指示接近寿命结束的预通知的电源周期的寿命预先通知部分。 寿命预告部分包括用于基于交流电源的频率来测量电源周期的计数装置,用于对由计数装置测量的电源周期进行积分并将积分值存储在非易失性存储器中的积分装置 以及电源模式控制装置,用于在包括正常点亮模式的不同模式下控制LED的照明,所述电源模式控制装置响应于所述积分装置的积分值超过预定标准以在预定寿命中操作 预通知模式。
    • 10. 发明申请
    • Method and apparatus for displaying bitmap multi-color image data on dot matrix-type display screen on which three primary color lamps are dispersedly arrayed
    • 在点阵式显示屏幕上显示位图多色图像数据的方法和装置,其上分散布置三个原色灯
    • US20070046689A1
    • 2007-03-01
    • US11516330
    • 2006-09-06
    • Toyotaro TokimotoMasatoshi Ohishi
    • Toyotaro TokimotoMasatoshi Ohishi
    • G09G5/02
    • G09F9/30G09G3/32G09G2300/0439
    • A large number of pixel lamps are evenly arrayed in a regular pattern to constitute a display screen. The pixel lamps are in three kinds which are a first color lamp, a second color lamp and a third color lamp. These three kinds of pixel lamps are evenly dispersed on the display screen. Image data to be displayed on the screen is multi-color data of a bitmap format, in which one pixel is expressed by a gathering of first color data, second color data and third color data. The first color data plane (second color data plane, third color data plane) on a bitmap image data plane is divided into a multitude of groups, each group being composed of a plurality of pixels arranged adjacently to each other. Each group is made to correspond to each first color lamp (second color lamp, third color lamp). An action of selecting, in a specified order, the first color data of a plurality of pixels that belong to one group is repeated at high speed, and the first color lamp (second color lamp, third color lamp) corresponding to each group is activated to emit light according to the selected first color data (second color data, third color data). A way the first color data plane is grouped, the second color data plane is grouped, and the third color data plane is grouped is such that the groups are mutually positionally-shifted on the bitmap image data plane while being partially overlapped, interrelating with a positional-shift in the arrays of the first color lamp, the second color lamp, and the third color lamp on the display screen.
    • 大量像素灯均匀地排列成规则图案以构成显示屏。 像素灯是第一颜色灯,第二彩色灯和第三彩色灯三种。 这三种像素灯均匀分散在显示屏上。 要在屏幕上显示的图像数据是位图格式的多色数据,其中一个像素由第一颜色数据,第二颜色数据和第三颜色数据的聚集表示。 位图图像数据平面上的第一颜色数据平面(第二颜色数据平面,第三颜色数据平面)被划分成多个组,每组由彼此相邻布置的多个像素组成。 每组对应于每个第一彩色灯(第二彩色灯,第三色灯)。 以特定顺序选择属于一个组的多个像素的第一颜色数据的动作以高速重复,并且对应于每组的第一彩色灯(第二色灯,第三色灯)被激活 根据所选择的第一颜色数据(第二颜色数据,第三颜色数据)发光。 第一颜色数据平面被分组的方式,第二颜色数据平面被分组,并且第三颜色数据平面被分组,使得这些组在位图图像数据平面上相互位置移位,同时被部分重叠,与 显示屏上的第一彩色灯,第二彩色灯和第三色灯的阵列中的位置偏移。