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1. 发明授权

US09157984B2 Position detection system, transmission device and reception device, and position detection method 有权
标题翻译：位置检测系统，传输装置和接收装置，以及位置检测方法
公开(公告)号：US09157984B2
公开(公告)日：2015-10-13
申请号：US13383522
申请日：2010-07-02
申请人： Junichi Miyamoto , Hiroshi Kajitani
发明人： Junichi Miyamoto , Hiroshi Kajitani
IPC分类号： G06F3/03 , G01S5/30 , G01S11/16 , G06F3/0354 , G06F3/043
CPC分类号： G01S5/30 , G01S11/16 , G06F3/03545 , G06F3/043 , G06F3/0433
摘要： A position detection system, includes at least one moving body (MB) including a transmission device simultaneously emitting a trigger signal indicating transmission timing and an ultrasonic signal obtained by modulating a signal of a frequency as a reference by pseudo random sequence data having high self-correlativity, and a reception device detecting MB position. The reception device includes ultrasonic reception units, a unit calculating a correlation value between a waveform of the ultrasonic signal and a model waveform of the pseudo random sequence, a unit subjecting the waveform of the ultrasonic signal and the model waveform to calculate a correlation value between the two waveforms, a unit calculating a propagation time of each ultrasonic to arrive at each of the ultrasonic reception units from trigger signal reception to correlation peak detection, and a unit calculating MB position from the ultrasonic propagation time and the interval length between the ultrasonic reception units.
摘要翻译：一种位置检测系统，包括至少一个移动体（MB），其包括同时发出指示发送定时的触发信号的发送装置和通过以高自适应方式的伪随机序列数据调制频率信号作为基准而获得的超声波信号，相关性和检测MB位置的接收装置。接收装置包括超声波接收单元，计算超声波信号的波形与伪随机序列的模型波形之间的相关值的单位，对超声波信号的波形和模型波形进行处理的单位，所述两个波形是从触发信号接收到相关峰值检测计算每个超声波接收单元到达每个超声波接收单元的传播时间的单位，以及从超声波传播时间和超声波接收之间的间隔长度的单位计算MB位置单位。

2. 发明授权

US09052781B2 Position detection apparatus, position detection method, mobile, and receiver 有权
标题翻译：位置检测装置，位置检测方法，移动和接收器
公开(公告)号：US09052781B2
公开(公告)日：2015-06-09
申请号：US13387958
申请日：2010-04-21
申请人： Junichi Miyamoto , Hiroshi Kajitani
发明人： Junichi Miyamoto , Hiroshi Kajitani
IPC分类号： G06F3/043 , G01S11/16
CPC分类号： G06F3/0433 , G01S11/16
摘要： To detect the positions of the respective mobiles correctly without being affected by the ultrasonic waves from other mobile(s) in a case where plural mobiles are used simultaneously.The mobile comprises a unit that transmits a trigger signal of requesting transmitting ultrasonic wave that is capable of identifying the mobile, a unit that receives a trigger signal of allowing transmitting ultrasonic wave from the receiver, and a unit that transmits an ultrasonic wave immediately upon receipt of the trigger signal of allowing transmitting ultrasonic wave. The receiver comprises a unit that receives a trigger signal of requesting transmitting ultrasonic wave from the mobile, a unit that transmits a trigger signal of allowing transmitting ultrasonic wave that can be identified at the mobile side, a control unit that controls a transmitting timing of the trigger signal of allowing transmitting ultrasonic wave, at least two ultrasonic wave receiving units provided at predetermined gaps, a unit that calculates an ultrasonic wave propagation time from the mobile based on a time of transmitting the trigger signal of allowing transmitting ultrasonic wave and an ultrasonic wave arrival time, and a position calculation unit that calculates a position of the mobile based on the ultrasonic wave propagation time calculated.
摘要翻译：在同时使用多个移动台的情况下，可以正确地检测各个移动台的位置，而不受来自其他移动台的超声波的影响。移动台包括发送能够识别移动台的请求发送超声波的触发信号的单元，接收允许从接收器发送超声波的触发信号的单元，以及接收时立即发送超声波的单元允许发送超声波的触发信号。接收机包括接收从移动台请求发送超声波的触发信号的单元，发送允许发送可在移动侧识别的超声波的触发信号的单元，控制单元，其控制移动台的发送定时允许发送超声波的触发信号，至少两个设置在预定间隙处的超声波接收单元，基于发送允许发送超声波的触发信号和超声波计算来自移动台的超声波传播时间的单元到达时间，以及基于所计算的超声波传播时间来计算移动体的位置的位置计算单元。

3. 发明授权

US08498839B2 Position determination system, transmission device and reception device, and position determination method 有权
标题翻译：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：US08498839B2
公开(公告)日：2013-07-30
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： G01B21/00 , G06F11/30
CPC分类号： G06F3/0433 , G01S5/30 , G01S7/5273 , G01S11/16 , G06F3/03545
摘要： A moving body includes a transmission device which simultaneously sends out a trigger signal and an ultrasonic signal modulated by pseudo random sequence data, and a reception device which detects a position of the moving body. The reception device includes two ultrasonic reception units The reception device includes a unit which calculates a correlation value between a waveform of the ultrasonic signal and a modulation reference waveform of a pseudo random sequence data assigned to the moving body The reception device includes 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.
摘要翻译：移动体包括同时发出触发信号的发送装置和由伪随机序列数据调制的超声信号，以及检测移动体的位置的接收装置。接收装置包括两个超声波接收单元接收装置包括计算超声波信号的波形与分配给移动体的伪随机序列数据的调制基准波形之间的相关值的单元。接收装置包括：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。

4. 发明申请

US20120198937A1 ULTRASONIC WAVE TRANSMITTER DEVICE, ULTRASONIC WAVE PROPAGATION TIME MEASUREMENT SYSTEM AND ULTRASONIC WAVE PROPAGATION TIME MEASUREMENT METHOD 有权
标题翻译：超声波发射器装置，超声波传播时间测量系统和超声波传播时间测量方法
公开(公告)号：US20120198937A1
公开(公告)日：2012-08-09
申请号：US13500066
申请日：2010-10-06
申请人： Hiroshi Kajitani , Junichi Miyamoto
发明人： Hiroshi Kajitani , Junichi Miyamoto
IPC分类号： G01H5/00
CPC分类号： G06F3/043 , B06B1/023 , B06B1/0655 , B06B2201/70 , G01S11/16 , G06F3/03545 , G10K11/002
摘要： An ultrasonic wave transmitter device includes an ultrasonic wave driving circuit that modulates an ultrasonic wave based on a pseudorandom signal to generate an ultrasonic wave driving signal, and an ultrasonic wave transmitter driven by the ultrasonic wave driving signal to send out an ultrasonic wave signal of a frequency higher than a fundamental frequency of the ultrasonic wave driving signal. The ultrasonic wave transmitter includes a cylindrically-shaped piezoelectric or magnetostrictive element sending out the ultrasonic wave signal and an ultrasonic wave absorber that covers part of a base member holding the piezoelectric or magnetostrictive element.
摘要翻译：超声波发送装置包括：超声波驱动电路，其根据伪随机信号调制超声波，生成超声波驱动信号;超声波发送器，由超声波驱动信号驱动，发送超声波信号，频率高于超声波驱动信号的基频。超声波发射器包括发出超声波信号的圆柱形压电或磁致伸缩元件和覆盖保持压电或磁致伸缩元件的基座部件的一部分的超声波吸收体。

5. 发明申请

US20120194486A1 DIGITAL PEN SYSTEM AND PEN-BASED INPUT METHOD 审中-公开
标题翻译：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。

6. 发明申请

US20120188847A1 POSITION DETECTION APPARATUS, POSITION DETECTION METHOD, MOBILE, AND RECEIVER 有权
标题翻译：位置检测装置，位置检测方法，移动和接收器
公开(公告)号：US20120188847A1
公开(公告)日：2012-07-26
申请号：US13387958
申请日：2010-04-21
申请人： Junichi Miyamoto , Hiroshi Kajitani
发明人： Junichi Miyamoto , Hiroshi Kajitani
IPC分类号： G01S15/06
CPC分类号： G06F3/0433 , G01S11/16
摘要： To detect the positions of the respective mobiles correctly without being affected by the ultrasonic waves from other mobile(s) in a case where plural mobiles are used simultaneously.The mobile comprises a unit that transmits a trigger signal of requesting transmitting ultrasonic wave that is capable of identifying the mobile, a unit that receives a trigger signal of allowing transmitting ultrasonic wave from the receiver, and a unit that transmits an ultrasonic wave immediately upon receipt of the trigger signal of allowing transmitting ultrasonic wave. The receiver comprises a unit that receives a trigger signal of requesting transmitting ultrasonic wave from the mobile, a unit that transmits a trigger signal of allowing transmitting ultrasonic wave that can be identified at the mobile side, a control unit that controls a transmitting timing of the trigger signal of allowing transmitting ultrasonic wave, at least two ultrasonic wave receiving units provided at predetermined gaps, a unit that calculates an ultrasonic wave propagation time from the mobile based on a time of transmitting the trigger signal of allowing transmitting ultrasonic wave and an ultrasonic wave arrival time, and a position calculation unit that calculates a position of the mobile based on the ultrasonic wave propagation time calculated.
摘要翻译：在同时使用多个移动台的情况下，可以正确地检测各个移动台的位置，而不受来自其他移动台的超声波的影响。移动台包括发送能够识别移动台的请求发送超声波的触发信号的单元，接收允许从接收器发送超声波的触发信号的单元，以及接收时立即发送超声波的单元允许发送超声波的触发信号。接收机包括接收从移动台请求发送超声波的触发信号的单元，发送允许发送可在移动侧识别的超声波的触发信号的单元，控制单元，其控制移动台的发送定时允许发送超声波的触发信号，至少两个设置在预定间隙处的超声波接收单元，基于发送允许发送超声波的触发信号和超声波计算来自移动台的超声波传播时间的单元到达时间，以及基于所计算的超声波传播时间来计算移动体的位置的位置计算单元。

7. 发明申请

US20100228523A1 ULTRASONIC WAVE PROPAGATION TIME MEASURING SYSTEM 有权
标题翻译：超声波传播时间测量系统
公开(公告)号：US20100228523A1
公开(公告)日：2010-09-09
申请号：US12675683
申请日：2008-08-28
申请人： Hiroshi Kajitani , Junichi Miyamoto
发明人： Hiroshi Kajitani , Junichi Miyamoto
IPC分类号： G04F10/00 , G01S1/24 , G01S1/74
CPC分类号： G01S11/16 , G06F3/0433
摘要： A position detection method and system that eliminate an effect of residual vibration of a piezoelectric or magnetostrictive element, increase correlativity between a received ultrasonic waveform and a model waveform, and are not affected by a reflected wave of an ultrasonic wave signal. A transmission unit of an ultrasonic wave propagation time measuring system of the present invention generates an electromagnetic wave signal including a trigger signal that indicates transmission timing and an ultrasonic wave drive signal by modulating an ultrasonic wave on the basis of a pseudo-random signal with high autocorrelativity at the same time as transmission of the electromagnetic wave signal, and transmits an ultrasonic wave signal of a frequency higher than a frequency of the ultrasonic wave drive signal by an ultrasonic wave transmitter. A reception unit detects the electromagnetic wave signal and the ultrasonic wave signal, and is provided with a data processing circuit for computing, with the ultrasonic wave drive signal as a model waveform, correlation values between the detected ultrasonic wave signal and the model waveform, detecting a main peak value of the computed correlation values, and computing an ultrasonic wave propagation time from a point in time of detection of the electromagnetic wave signal and a point in time of detection of the main peak value.
摘要翻译：消除压电或磁致伸缩元件的残余振动的影响的位置检测方法和系统增加了接收的超声波波形和模型波形之间的相关性，并且不受超声波信号的反射波的影响。本发明的超声波传播时间测量系统的发送单元通过基于具有高的伪随机信号调制超声波来生成包括指示发送定时的触发信号的电磁波信号和超声波驱动信号与电磁波信号的发送同时进行自相关，并通过超声波发送器发送高于超声波驱动信号的频率的超声波信号。接收单元检测电磁波信号和超声波信号，并且设置有数据处理电路，用超声波驱动信号作为模型波形，计算检测到的超声波信号与模型波形之间的相关值，检测计算的相关值的主峰值，以及从检测到电磁波信号的时间点和主峰值的检测时刻计算超声波传播时间。

8. 发明授权

US09128565B2 Ultrasonic wave transmitter device, ultrasonic wave propagation time measurement system and ultrasonic wave propagation time measurement method 有权
标题翻译：超声波发射装置，超声波传播时间测量系统和超声波传播时间测量方法
公开(公告)号：US09128565B2
公开(公告)日：2015-09-08
申请号：US13500066
申请日：2010-10-06
申请人： Hiroshi Kajitani , Junichi Miyamoto
发明人： Hiroshi Kajitani , Junichi Miyamoto
IPC分类号： G01N29/00 , G06F3/043 , G01S11/16 , G06F3/0354 , B06B1/02 , B06B1/06 , G10K11/00
CPC分类号： G06F3/043 , B06B1/023 , B06B1/0655 , B06B2201/70 , G01S11/16 , G06F3/03545 , G10K11/002
摘要： An ultrasonic wave transmitter device includes an ultrasonic wave driving circuit that modulates an ultrasonic wave based on a pseudorandom signal to generate an ultrasonic wave driving signal, and an ultrasonic wave transmitter driven by the ultrasonic wave driving signal to send out an ultrasonic wave signal of a frequency higher than a fundamental frequency of the ultrasonic wave driving signal. The ultrasonic wave transmitter includes a cylindrically-shaped piezoelectric or magnetostrictive element sending out the ultrasonic wave signal and an ultrasonic wave absorber that covers part of a base member holding the piezoelectric or magnetostrictive element.
摘要翻译：超声波发送装置包括：超声波驱动电路，其根据伪随机信号调制超声波，生成超声波驱动信号;超声波发送器，由超声波驱动信号驱动，发送超声波信号，频率高于超声波驱动信号的基频。超声波发射器包括发出超声波信号的圆柱形压电或磁致伸缩元件和覆盖保持压电或磁致伸缩元件的基座部件的一部分的超声波吸收体。

9. 发明申请

US20110261654A1 OPTIMUM PSEUDO RANDOM SEQUENCE DETERMINING METHOD, POSITION DETECTION SYSTEM, POSITION DETECTION METHOD, TRANSMISSION DEVICE AND RECEPTION DEVICE 有权
标题翻译：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。

10. 发明申请

US20110015880A1 ULTRASONIC PROPAGATION TIME MEASUREMENT SYSTEM 有权
标题翻译：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。

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