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    OPTIMUM PSEUDO RANDOM SEQUENCE DETERMINING METHOD, POSITION DETECTION SYSTEM, POSITION DETECTION METHOD, TRANSMISSION DEVICE AND RECEPTION DEVICE
    12.
    发明申请
    OPTIMUM PSEUDO RANDOM SEQUENCE DETERMINING METHOD, POSITION DETECTION SYSTEM, POSITION DETECTION METHOD, TRANSMISSION DEVICE AND RECEPTION DEVICE 有权
    最佳PSEUDO随机序列确定方法，位置检测系统，位置检测方法，传输设备和接收设备

    公开(公告)号：US20110261654A1

    公开(公告)日：2011-10-27

    申请号：US12674216

    申请日：2008-08-29

    申请人： Junichi Miyamoto ,  Hiroshi Kajitani

    发明人： Junichi Miyamoto ,  Hiroshi Kajitani

    IPC分类号： G01S11/14

    CPC分类号： G01S11/16 ,  G01S5/18 ,  G01S11/14

    摘要： To enable precise calculation of a propagation time of a direct wave which arrives fastest from an ultrasonic generation source without being affected by a reflected wave of an ultrasonic signal.A plurality of ultrasonic signals generated based on a plurality of M sequences different from each other are propagated from a transmission side to a reception side, whereby the reception side generates model waveforms of the plurality of M sequences, executes correlation processing between each model waveform and a waveform of each ultrasonic signal and detects a secondary peak of a correlation value which appears when both waveforms partly coincide with each other to determine an M sequence which generates a smallest secondary peak among secondary peaks detected by all the correlation processing as an optimum M sequence. The transmission side sends out an electromagnetic signal and an ultrasonic signal modulated by an optimum M sequence generated based on an initial condition of the optimum M sequence to the reception side. The reception side calculates a correlation value between the ultrasonic signal and a model waveform of the ultrasonic modulated by the optimum M sequence, detects a first primary peak of the calculated correlation value and calculates an ultrasonic propagation time from a time point of the reception of the electromagnetic signal and a time point of the detection of the primary peak.

    摘要翻译： 以便能够精确地计算从超声波发生源到达最快的直接波的传播时间，而不受超声波信号的反射波的影响。 基于多个彼此不同的M个序列生成的多个超声波信号从发送侧传播到接收侧，由此，接收侧生成多个M个序列的模型波形，执行各模型波形与 每个超声波信号的波形，并且检测当两个波形彼此部分重合时出现的相关值的二次峰值，以确定在由所有相关处理检测到的辅助峰值之间产生最小二次峰值的M序列作为最佳M序列 。 发送侧发送由基于最佳M序列的初始条件生成的最佳M序列调制的电磁信号和超声信号到接收侧。 接收侧计算超声波信号和由最佳M序列调制的超声波的模型波形之间的相关值，检测计算出的相关值的第一主峰值，并从接收到的时间点开始计算超声波传播时间 电磁信号和主峰检测的时间点。

    Fuel cell and method of operating same
    13.
    发明授权
    Fuel cell and method of operating same 失效
    燃料电池及其运行方法

    公开(公告)号：US08003266B2

    公开(公告)日：2011-08-23

    申请号：US10578097

    申请日：2004-11-08

    申请人： Hiroshi Kajitani ,  Hidekazu Kimura ,  Takashi Manako ,  Tsutomu Yoshitake ,  Yoshimi Kubo

    发明人： Hiroshi Kajitani ,  Hidekazu Kimura ,  Takashi Manako ,  Tsutomu Yoshitake ,  Yoshimi Kubo

    IPC分类号： H01M8/04

    CPC分类号： H01M8/04156

    摘要： A fuel cell is provided which can supply the stable power and has higher reliability and a longer period of life without the influence of the circumstances and the operation conditions. An absorbent disposed near an oxidant electrode of a fuel cell including a fuel electrode and the oxidant electrode approaches to the vicinity of or is in contact with the oxidant electrode surface or departs from the oxidant electrode. Thereby, the absorbent removes moisture on the oxidant electrode so that the fuel cell which can supply the stable power with the higher reliability and the longer period of life can be provided.

    摘要翻译： 提供一种燃料电池，可以提供稳定的电力，具有更高的可靠性和更长的使用寿命，而不受环境和操作条件的影响。 靠近包括燃料电极和氧化剂电极的燃料电池的氧化剂电极附近的吸收剂接近氧化剂电极表面附近或与氧化剂电极表面接触或离开氧化剂电极。 由此，吸收剂能够除去氧化剂电极上的水分，能够提供可靠性更高，寿命更长的供给稳定电力的燃料电池。

    ULTRASONIC PROPAGATION TIME MEASUREMENT SYSTEM
    14.
    发明申请
    ULTRASONIC PROPAGATION TIME MEASUREMENT SYSTEM 有权
    超声波传播时间测量系统

    公开(公告)号：US20110015880A1

    公开(公告)日：2011-01-20

    申请号：US12922052

    申请日：2009-04-10

    申请人： Hiroshi Kajitani ,  Junichi Miyamoto

    发明人： Hiroshi Kajitani ,  Junichi Miyamoto

    IPC分类号： G01N29/07

    CPC分类号： G06F3/0433 ,  G01S5/30 ,  G01S11/16 ,  G06F3/03545

    摘要： High-quality and high-speed electronic pen drawing performance is ensured without being affected by noise of an ultrasonic signal which is generated by an apparatus using ultrasonic such as a motion detector. In an ultrasonic receiver for use in ultrasonic propagation time measurement, an external environment noise is measured to first determine a frequency. Thereafter, centered around the frequency, a band elimination filter having a several kHz band is structured as software to again measure an external environment noise. This sequence is repeated until a signal intensity lowers below a predetermined value. When the signal intensity fails to lower below the predetermined value even after a predetermined number of repetitions of the sequence, a transmission output on the side of an electronic pen as an ultrasonic transmission source is increased or an ultrasonic oscillation frequency is changed.

    摘要翻译： 确保高质量和高速电子笔画性能，而不受由诸如运动检测器的超声波的装置产生的超声信号的噪声的影响。 在用于超声波传播时间测量的超声波接收机中，测量外部环境噪声以首先确定频率。 此后，以频率为中心，具有几kHz频带的带除滤波器被构造为用于再次测量外部环境噪声的软件。 重复该序列，直到信号强度降低到低于预定值。 即使在预定次数的重复之后信号强度也不能降低到预定值以下，作为超声波发送源的电子笔一侧的发送输出增加或超声波振荡频率发生变化。

    POSITION DETERMINATION SYSTEM, TRANSMISSION DEVICE AND RECEPTION DEVICE, AND POSITION DETERMINATION METHOD
    15.
    发明申请
    POSITION DETERMINATION SYSTEM, TRANSMISSION DEVICE AND RECEPTION DEVICE, AND POSITION DETERMINATION METHOD 有权
    位置确定系统，传输设备和接收设备以及位置确定方法

    公开(公告)号：US20100286949A1

    公开(公告)日：2010-11-11

    申请号：US12810879

    申请日：2008-12-19

    申请人： Junichi Miyamoto ,  Hiroshi Kajitani

    发明人： Junichi Miyamoto ,  Hiroshi Kajitani

    IPC分类号： G06F15/00 ,  G01S3/80

    CPC分类号： G06F3/0433 ,  G01S5/30 ,  G01S7/5273 ,  G01S11/16 ,  G06F3/03545

    摘要： Positions of a plurality of transmission devices are precisely detected by a direct wave arriving first at a reception device without being affected by other ultrasonic signals from the transmission device.Provided are a moving body including a transmission device which simultaneously sends out a trigger signal and an ultrasonic signal modulated by pseudo random sequence data having high self-correlativity, and a reception device which detects a position of the moving body, in which the reception device includes at least two ultrasonic reception units which receive the ultrasonic signal, a unit which calculates a correlation value between a waveform of the ultrasonic signal and a modulation reference waveform of a pseudo random sequence determined in advance according to the moving body, a unit which calculates a time of propagation of the ultrasonic to arrive at the two ultrasonic reception units from a time point of reception of the trigger signal and a time point of detection of a first peak of the correlation value, and a unit which calculates a position of the moving body based on the ultrasonic propagation time and an interval length between the ultrasonic reception units, and as the pseudo random sequence, different sequences whose cross-correlativity is low are used.

    摘要翻译： 多个发送装置的位置通过首先在接收装置到达的直接波被精确地检测，而不受来自发送装置的其他超声波信号的影响。 提供一种移动体，其包括同时发出触发信号的发送装置和由具有高自相关性的伪随机序列数据调制的超声波信号，以及检测移动体的位置的接收装置，其中，接收装置 包括接收超声波信号的至少两个超声波接收单元，计算超声信号的波形与根据移动体预先确定的伪随机序列的调制基准波形的相关值的单位， 从触发信号的接收的时间点和相关值的第一峰值的检测时刻起，超声波传播到达两个超声波接收部的时间，以及计算移动的位置的单位 基于超声波传播时间和超声波接收单元之间的间隔长度，以及t 使用伪随机序列，交叉相关性低的不同序列。

    Floating head slider and method of manufacturing the same
    17.
    发明授权
    Floating head slider and method of manufacturing the same 失效
    浮头滑块及其制造方法

    公开(公告)号：US5567331A

    公开(公告)日：1996-10-22

    申请号：US466931

    申请日：1995-06-06

    申请人： Hiroshi Kajitani

    发明人： Hiroshi Kajitani

    IPC分类号： G11B21/21 ,  G11B5/60 ,  G11B17/32 ,  G11B5/127

    CPC分类号： G11B5/6005 ,  G11B17/32

    摘要： A floating head slider having an air bearing surface is manufactured by forming a read/write element over the top surface of a rail forming substrate and over the sidewall of a groove formed into the rail forming substrate. A flattening film is formed over the read/write element to planarize the structure, and a slider base substrate is stacked over the flattening film. Parallel rails are formed on the bottom of the rail forming substrate by etching a flat recess into the bottom of the rail forming substrate, thereby forming the air bearing surface. A signal line is connected to the read/write element by filling a hole in the slider base substrate and the flattening film with a conductive material. The rail forming substrate and the slider base substrate are cut along the side surface of the groove to expose the portion of the read/write element formed on the side surface of the groove, and the rail forming surface is polished to form a front gap portion of the read/write element.

    摘要翻译： 具有空气轴承表面的浮动浮动滑块通过在轨道形成基板的顶表面上形成读/写元件并且形成在轨道形成基板上的槽的侧壁上而制造。 在读/写元件上形成平坦化的薄膜以使结构平坦化，并且在平坦化薄膜上堆叠滑块基底。 通过将平坦的凹陷蚀刻到轨道成形基底的底部中，在轨道形成基板的底部上形成平行的轨道，从而形成空气轴承表面。 信号线通过用导电材料填充滑块基底和平坦化膜中的孔而连接到读/写元件。 轨道形成基板和滑块基板沿着槽的侧表面被切割以暴露形成在槽的侧表面上的读/写元件的部分，并且轨道形成表面被抛光以形成前间隙部分 的读/写元素。

    Ultrasonic wave propagation time measurement system
    18.
    发明授权
    Ultrasonic wave propagation time measurement system 有权
    超声波传播时间测量系统

    公开(公告)号：US08806947B2

    公开(公告)日：2014-08-19

    申请号：US13203196

    申请日：2010-02-24

    申请人： Hiroshi Kajitani

    发明人： Hiroshi Kajitani

    IPC分类号： G01N29/00

    CPC分类号： G01H5/00 ,  G01N29/07 ,  G01N29/4454 ,  G01N29/50 ,  G01S11/16

    摘要： An ultrasonic wave propagation time measurement system comprises: a transmitting section that transmits an electromagnetic wave signal indicating transmission timing and an ultrasonic wave signal, and a receiving section that detects the transmitted electromagnetic wave signal and the ultrasonic wave signal and calculates an ultrasonic wave propagation time based on reception times of the electromagnetic wave signal and the ultrasonic wave signal; and an initial mode setting mechanism that constitutes an optimum ultrasonic wave transmission/reception system by selecting the set values of one or more setting parameters is provided in a controlling unit that controls the transmission of the signals in the transmitting section and in a data processing unit that controls the detection and calculation in receiving section.

    摘要翻译： 超声波传播时间测量系统包括：发送指示发送定时的电磁波信号和超声波信号的发送部，以及检测发送的电磁波信号和超声波信号的接收部，计算超声波传播时间 基于电磁波信号和超声波信号的接收时间; 并且通过选择一个或多个设定参数的设定值构成最佳超声波发送/接收系统的初始模式设置机构被提供在控制单元中，控制单元控制发送部分和数据处理单元中的信号的发送 它控制接收部分的检测和计算。

    DIGITAL PEN SYSTEM AND PEN-BASED INPUT METHOD
    20.
    发明申请
    DIGITAL PEN SYSTEM AND PEN-BASED INPUT METHOD 审中-公开
    数字笔系统和笔式输入法

    公开(公告)号：US20120194486A1

    公开(公告)日：2012-08-02

    申请号：US13500289

    申请日：2010-10-07

    申请人： Hiroshi Kajitani ,  Junichi Miyamoto

    发明人： Hiroshi Kajitani ,  Junichi Miyamoto

    IPC分类号： G06F3/033

    CPC分类号： G06F3/0346 ,  G06F3/0304 ,  G06F3/03545 ,  G06F3/038 ,  G06F3/0383 ,  G06F3/0386 ,  G06F3/043

    摘要： A digital pen system includes: a rod-shaped digital pen that periodically transmits a signal including information about a direction of the digital pen; and a receiving apparatus that detects a position and direction of the digital pen in three-dimensional space based on the signal, calculates a intersection of an extension line of the digital pen in a longitudinal direction thereof and a display screen of a display apparatus, and enables the display apparatus to perform pen-based input at the intersection.

    摘要翻译： 数字笔系统包括：一个棒状数字笔，周期性地发送包括关于数字笔方向的信息的信号; 以及基于该信号在三维空间中检测数字笔的位置和方向的接收装置，计算数字笔在其长度方向上的延长线与显示装置的显示屏幕的交点，以及 使显示装置能够在交叉路口执行基于笔的输入。