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1. 发明专利

JPH08243105A OPTICAL CT IMAGE DEVICE 失效
公开(公告)号：JPH08243105A
公开(公告)日：1996-09-24
申请号：JP7467095
申请日：1995-03-08
申请人： KANAI HIROSHI , NIPPON KODEN KOGYO KK
发明人： KANAI HIROSHI
IPC分类号： G01N21/27 , A61B10/00 , G01N21/17
摘要： PURPOSE: To provide an optical CT image system with simple constitution by using a two-dimensional image sensor moved turnably in the periphery of an examinee. CONSTITUTION: A turning body 1 turning around a turning center O of the center part of the examinee 9 is driven turnably by a stepping motor 1a controlled by a motor control means 1b. A laser beam source 2 which photoirradiates a living body with a near infrared ray with high transmittancy photoirradiates the examinee 9 advancing the turning center O via an optical fiber 2a. A CCD camera 3 as the two-dimensional image sensor mounted on the back side of the turning body 1 advancing the turning center O receives light propagated almost parallel with the radius direction out of the light radiated from the examinee 9 being diffused on the examinee 9 set parallel with the turning face of the turning body 1 by separating from the turning center O sufficiently far than the examinee 9. An image data generating means 4 fetches the light reception signal of the CCD camera 3 at every prescribed angle interval as an image signal, and generates the three-dimensional tomographic image data of the cross section of the examinee 9.

2. 发明专利

JP2860843B2 失效
公开(公告)号：JP2860843B2
公开(公告)日：1999-02-24
申请号：JP33130891
申请日：1991-11-20
申请人： NAKABACHI NORITOSHI , KANAI HIROSHI
发明人： NAKABACHI NORITOSHI , KANAI HIROSHI
IPC分类号： G01N29/06 , G01H5/00 , G01N29/26 , G01N29/44 , G01N29/20

3. 发明专利

JPH09259111A REPRODUCIBILITY EVALUATION METHOD AND DEVICE THEREFOR 失效
公开(公告)号：JPH09259111A
公开(公告)日：1997-10-03
申请号：JP6863696
申请日：1996-03-25
申请人： NAKABACHI NORITOSHI , KANAI HIROSHI , ONO SOKKI CO LTD
发明人： NAKABACHI NORITOSHI , KANAI HIROSHI
IPC分类号： G06F17/10
摘要： PROBLEM TO BE SOLVED: To provide a repeating signal reproducibility evaluation method which can quantitatively judge the degree of reproducibility of a repeating signal against its frequency component. SOLUTION: In frequency conversion processing 11, the evaluation object frequency components of plural unit signals obtained by decomposing a repeating signal in every repeating waveform are calculated for every unit signal. In signal accuracy evaluation processing 12, the repetition accuracy is evaluated among the unit signals of the evaluation object frequency components of the repeating signal by calculating the evaluation value corresponding to the ratio between a square of the mean value of every evaluation object frequency component of the unit signal and the mean value of squares.

4. 发明专利

JPH0666853A SPECTRUM ARITHMETIC DEVICE 失效
公开(公告)号：JPH0666853A
公开(公告)日：1994-03-11
申请号：JP21941792
申请日：1992-08-18
申请人： KANAI HIROSHI , NAKABACHI NORITOSHI , ONO SOKKI CO LTD
发明人： KANAI HIROSHI , NAKABACHI NORITOSHI
IPC分类号： G01H17/00 , G01R23/16 , G01R23/165 , G06F17/10
摘要： PURPOSE:To determine a spectrum with a high SN ratio by providing a band pass filter for passing a signal containing noise, and a transmission function arithmetic means for determining a transmission function. CONSTITUTION:A signal x (t) into which a noise n (t) is mixed with a signal x0 (t) is inputted to first and second band pass filters 10, 12, and first and second band limit signals x1 (t), xb (t) are outputted. In first and second square arithmetic means 14, 16, first power signal za (t) showing the square ¦x1 (t)¦ of the band limit signal xa (t) and a second power signal zb (t) showing the square lxb (t)¦ of the band limit signal xb (t) are determined. In first and second spectrum arithmetic means 18, 20, the spectrum Za (k) of the inputted first power signal za (t) and the spectrum Zb (k) of the second power signal zb (t) are determined. In a transmission function arithmetic means 22, the transmission function Hab(k) from the frequency ka component to the frequency kb of the signal x(t) is determined according to the equation by use of the inputted spectra Za (k), Zb (k). In the equation, E[...] represents an aggregation average, and *represents a conjugated complex number.

5. 发明专利

JP2000073628A POLE WITH SPRING 失效
公开(公告)号：JP2000073628A
公开(公告)日：2000-03-07
申请号：JP28583198
申请日：1998-09-01
申请人： KANAI HIROSHI
发明人： KANAI HIROSHI
IPC分类号： E01F13/00 , E01F13/04 , E04H12/22 , E04H17/20 , E04H17/22
摘要： PROBLEM TO BE SOLVED: To prevent a metallic bar owing to a spring effect from breaking and also prevent an embedded hole from being clogged with dust by using a quenched bar for a pole with a spring and slidably fitting a seat plate fixed to one end of the bar to a receive washer. SOLUTION: A press-in bar 3 is provided at the upper part of a bar 1 of a pole with a spring, and a hook 5 is provided at the middle thereof, and a seat plate 4 is provided at the lower part thereof. The square seat plate 4 is set in such a size that it can slidably move in a groove of a rectangular receive washer. The bar 1 is fixed to the central part of the seat plate 4. The receive washer is formed so that the seat plate 4 of the pole with a spring moves in a groove by providing the groove in the metallic plate. The receive washer is fixed to the ground by using an anchor hole. A quenched bar is used for the bar 1 and a quenched metal is also used for the seat plate 4 to impart a spring action to the bar 1 and the seat plate 4 and prevent the bar from breaking at the root. Further, the receive washer is formed to have a plane groove structure in order to eliminate an influence of intrusion of dust.

6. 发明专利

JPH08103448A IMPULSE WAVE CALCULUS CRUSHING SYSTEM 失效
公开(公告)号：JPH08103448A
公开(公告)日：1996-04-23
申请号：JP27418594
申请日：1994-09-30
申请人： NAKABACHI NORITOSHI , KANAI HIROSHI
发明人： NAKABACHI NORITOSHI , KANAI HIROSHI
IPC分类号： A61B17/22 , A61B18/00 , A61B17/36
摘要： PURPOSE: To efficiently and safely crush a targeted calculus with a small power by employing such constitution that a generating mechanism for positive and negative pressure is provided and the calculus can efficiently and selectively be crushed by a tensile force. CONSTITUTION: The calculus 3 at a focal position can be crushed with the impulse wave generated in the neighborhood of a focal point by the nonlinearity of a medium by directly converging an ultrasonic wave surface-generated by a piezo element array 4 connected to a high-voltage pulse generator 2 on the calculus 3 in a body via the water 5 of a model applicator 6. At this time, a positive pulsative voltage 11 is added on the piezo element so as to radiate a compressional wave of positive pressure, thence, a negative pulsative voltage 12 is added on the piezo element so as to radiate the ultrasonic wave of negative phase and negative pressure after the lapse of d/v time 9 in which the diameter (d)7 is divided by internal speed (v). In this way, the tensile force by a force in an opposite direction and to the outside is generated, which enables the calculus to efficiently be crushed.

7. 发明专利

JPH08103418A ULTRASONIC LIVING BODY MEASURING INSTRUMENT 失效
公开(公告)号：JPH08103418A
公开(公告)日：1996-04-23
申请号：JP27823494
申请日：1994-10-05
申请人： NAKABACHI NORITOSHI , KANAI HIROSHI , KOIWA YOSHIO
发明人： NAKABACHI NORITOSHI , KANAI HIROSHI , KOIWA YOSHIO
IPC分类号： A61B5/02
摘要： PURPOSE: To provide an instrument capable of measuring the elastic characteristic of the local part of the artery and the heart wall by improving spatial resolution by using a frequency component up to a high frequency component. CONSTITUTION: Delay time T8 from the R-wave position 9 of an electrocardiogram 6 is supplied to an input waveform generator 7 to an excitor in advance, and a pulse waveform 11 of short width including the frequency component up to the high frequency component is generated at a timing 10 delayed by T from the R-wave of the electrocardiogram, and it is added on the excitor 12, and pulsative vibration 14 is applied to the bone 2 of a human body. In this way, vibration with high frequency component is propagated to the arterial wall and the heart wall, and micro vibration waves are measured at two points in a micro area desired to measure on the wall simultaneously by using an ultrasonic wave, and the propagation speed of micro vibration on which the tissue property of the micro area is affected and the elastic characteristic of the local part are measured with high accuracy in non-invasion fashion and substantially.

8. 发明专利

JPH06237933A PROPERTY MEASURING UNIT 失效
公开(公告)号：JPH06237933A
公开(公告)日：1994-08-30
申请号：JP3031293
申请日：1993-02-19
申请人： NAKABACHI NORITOSHI , KANAI HIROSHI , ONO SOKKI CO LTD
发明人： NAKABACHI NORITOSHI , KANAI HIROSHI , BOKU MOKUN
IPC分类号： A61B10/00 , G01H5/00 , G01H15/00 , G01M7/02 , G01N29/00 , G01N29/18
摘要： PURPOSE:To realize the detection of a property with high precision by providing a vibration exciter for exciting a prescribed point of a body to be measured, in the orthogonal direction being orthogonal to the extending direction of the body to be measured, to measure a properties of a bone in a living body without breaking down the living body, and detecting vibration of each point at the time of excitation. CONSTITUTION:The measuring unit is provided with a vibration exciter for exciting a prescribed point of a body to be measured, extended in the prescribed direction, in the orthogonal direction being orthogonal to the extended direction of the body to be measured, and a speed of vibration in the orthogonal direction at each point in the prescribed direction, of the body to be measured at the time of excitation is detected by a sensor. Subsequently, based on a speed distribution of the vibration detected by the sensor, a speed of a bending wave propagated through the body to be measured is derived, and by evaluating easiness of break of a done from its value, it is useful for deciding osteoporosis, etc. A speed (c) of the bending wave is derived from an expression of (c)=4.f.¦Xmax-Xmin¦, when a frequency of the vibration in the orthogonal direction of the body to be measured, and coordinates of two points being adjacent to each other, in which the speed of the vibration of this frequency (f) becomes maximum and minimum are denoted as (f), and Xmax and Xmin, respectively.

9. 发明专利

JPS63271124A ROUGHNESS ESTIMATING METHOD FOR SURFACE OF ROLLING ELEMENT OF ROLLING BEARING 失效
公开(公告)号：JPS63271124A
公开(公告)日：1988-11-09
申请号：JP31356486
申请日：1986-12-24
申请人： ONO SOKKI CO LTD , KANAI HIROSHI , ABE MASATO , KIDO KENICHI
发明人： KANAI HIROSHI , ABE MASATO , KIDO KENICHI
IPC分类号： G01B5/28 , G01B21/30 , G01H1/00 , G01H17/00 , G01M13/04
摘要： PURPOSE:To estimate simply, quickly, and also, with high accuracy and quantitatively roughness of the surface of a rolling element of a rolling bearing of an assembly state, by using an observation vibrating signal of one point on a still bearing ring. CONSTITUTION:An outer ring 10 of a hall bearing to be estimated 40 is held in a still state by applying thrust force thereto, and an inner ring 20 is rotated by a prescribed revolution speed. A vibration in an observation point 11 is detected by a vibration sensor 30, and its output is supplied to a digital audio recorder 63 through an amplifier 61 and a high-pass filter 62 and stored. A reproducing signal from this digital audio recorder 63 is inputted to a computer through a low-pass filter 64, a preamplifier 65 and an A/D converter 66, and the surface roughness of a ball of the ball bearing 40 is estimated.

10. 发明专利

JPH04164440A ULTRASONIC MEASURING METHOD OF VIBRATION AT DIFFERENT PARTS OF HEART 失效
公开(公告)号：JPH04164440A
公开(公告)日：1992-06-10
申请号：JP29101990
申请日：1990-10-29
申请人： NAKABACHI NORITOSHI , KANAI HIROSHI
发明人： NAKABACHI NORITOSHI , KANAI HIROSHI
IPC分类号： A61B10/00 , A61B8/08
摘要： PURPOSE:To measure time-series signals of vibration speeds in various parts of a heart, which serve effectively diagnosis of cardio-disorder, by sampling the vibration speed of the object to be inspected with uneven intervals of the time at which reflected wave returns for each transmission pulse, and resampling the time-series data of this vibration speed at regular intervals. CONSTITUTION:When A/D conversion is made with sampling frequency several times as great as the sine frequency of transmission pulse wave, a memory capacity of 10M pieces (=10 ) is needed in order to continuously obtain data corresponding to one heart beat, and this is rather difficult. According to the present invention, the output signals of an orthogonal intersect detector circuit including low frequency components is A/D converted with a sampling frequency fs several hundred times as large as the repeating frequency of the transmission pulses, and digital signals xr(n), xi(n) are obtained. To make A/D conversion for one sec continuously in case fs=1 MHz, it is enough with provision of a memory capacity of 1M pieces approximately, which is practicable. Thereby vibration signals of various parts of heart in pulsation with large amplitudecan be measured with high accuracy.

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