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51. 发明专利

JPH04238661A DETECTION OF MOLTEN METAL LEVEL 失效
公开(公告)号：JPH04238661A
公开(公告)日：1992-08-26
申请号：JP258491
申请日：1991-01-14
申请人： NIPPON STEEL CORP
发明人： MOTOMURA MASAKI , NAGANUMA YOICHI , TANAKA KEIHACHIRO
IPC分类号： B22D11/16 , B22D11/18 , G01F23/26
摘要： PURPOSE:To measure molten metal level in a vessel having narrow width in high accuracy, wide range and good environmental resistance by measuring output value exceeding the preset threshold value in the treated output value in each receiving coil. CONSTITUTION:Transmitting coils 4a, 4b...4n and the receiving coils 7a, 7b...7n are arranged in the vertical direction in plural pieces facing each other as inserting the outside of molds 2, 3, in which the molten metal 1 exists therebetween, from right and left or front and behind. AC power sources 5a, 5b...5n having different frequencies, are impressed to each transmitting coil 4a, 4b...4n and resulting respective AC magnetic fluxes are passed through the molten metal 1 and the molds 2, 3. By selecting a molten metal level detector outputting higher voltage among each outputted voltage value of the molten metal detectors than the preset value in the molten metal level detectors, respectively, the molten metal level is measured.

52. 发明专利

JPH0346529A FIRE PREDICTING METHOD 失效
公开(公告)号：JPH0346529A
公开(公告)日：1991-02-27
申请号：JP18053489
申请日：1989-07-14
申请人： NIPPON STEEL CORP
发明人： NAGANUMA YOICHI , MOTOMURA MASAKI
IPC分类号： G01K7/38
摘要： PURPOSE:To monitor an abnormal temperature rise for preventing a fire extending over a wide range by selecting a belt-shaped amorphous magnetic material having a Curie point characteristic being a little lower than a temperature which causes a fire. CONSTITUTION:As a belt-shaped amorphous magnetic material 3 whose length is 50 - 1,000mm, that which has a Curie point of 150 + or - several tens deg.C is selected, and a primary and a secondary coils 1, 2 are wound round thereon. Subsequently, an output of the coil 1 is connected to a capacitor 4, and thereafter, inputted to an amplifier 5, and by connecting the coil 2 to the amplifier 5, a positive feedback circuit is constituted. Therefore, when a temperature of the magnetic material 3 exceeds the Curie point due to a fire or a temperature rise immediately before that, its relative magnetic permeability drops suddenly and the degree of coupling of the coils 1, 2 decreases. Next, a stop of oscillation is detected by a closed loop through the amplifier 5, and in accordance therewith, an alarm 9 raises an alarm.

53. 发明专利

JPH02310405A METHOD FOR MEASURING THICKNESS DISTRIBUTION OF THIN FILM 失效
公开(公告)号：JPH02310405A
公开(公告)日：1990-12-26
申请号：JP13003389
申请日：1989-05-25
申请人： NIPPON STEEL CORP
发明人： MOTOMURA MASAKI
IPC分类号： G01B11/06
摘要： PURPOSE:To shorten the time for measurement by picking up the image of the surface of an object on which a light transmittable thin film material having >=1mum thickness is stuck by a color TV camera and obtaining the differences in the lightness signal values of every image of the same coordinates of the picked up images of three primary colors; red, green and blue. CONSTITUTION:The surface of the light transmittable thin film object 4 stuck on the surface of a steel sheet 3 is irradiated with light sources 1, 2 and the image pickup signal of the color TV camera 5 is separated by a color decoder 6 to the red and blue image pickup lightness signals. The respective separated image pickup lightness signals are converted as picture element groups to digital signals by A/D converters 7, 8. The digital signals are stored in image memories 9, 10. The lightness signal values of the picture elements stored in memories 9, 10 are determined as the lightness signal differences of red and blue for each of the respective picture elements of the same coordinates by a subtractor 11. These values are divided by the red lightness signal values of each picture element in the respective picture elements and the same coordinates by a divider 12 and are thereby normalized for each of the picture elements. The normalized values are converted 13 to the thickness of the thin film. The thicknesses corresponding to the respective picture elements of the object 4 are thus determined and the film thickness distribution is obtd.

54. 发明专利

JPH0235305A METHOD FOR MEASURING SIZE OF MOVING BODY 失效
公开(公告)号：JPH0235305A
公开(公告)日：1990-02-05
申请号：JP18453488
申请日：1988-07-26
申请人： NIPPON STEEL CORP
发明人： NAGANUMA YOICHI , MOTOMURA MASAKI
IPC分类号： G01B11/04
摘要： PURPOSE:To measure the size of a substance to be measured regardless of the movement and the vibration of the substance to be measured by picking up the images of the substances to be measured with a plurality of synchronized TV cameras, and obtaining the difference between the coordinate values of a plurality of the picked-up image points in the picked-up signals. CONSTITUTION:A plurality of TV cameras 14 and 15 are synchronized by using the same synchronizing signal generating circuit 13. The directions of the cameras 14 and 15 are set so that a plurality of points of image pick-up on the scanning line of the TV cameras corresponding to points to be measured on a body to be measured 1 are scanned at the same time. The picked-up image signals of the body to be measured 1 which are picked up in this way are inputted into a CPU 20 through A/D converters 16 and 17 are interface circuits 18 and 19. The CPU 20 computes the difference between the coordinate values of a plurality of said picked-up image points. In this way, the size of the body to be measured can be measured regardless of the movement or the vibration of the body to be measured.

55. 发明专利

JPH01242907A SECTIONAL SHAPE MEASURING METHOD BY LIGHT CUTTING METHOD 失效
公开(公告)号：JPH01242907A
公开(公告)日：1989-09-27
申请号：JP6829888
申请日：1988-03-24
申请人： NIPPON STEEL CORP
发明人： NAGANUMA YOICHI , MOTOMURA MASAKI
IPC分类号： G01B11/24 , G01B11/245
摘要： PURPOSE:To measure the accurate sectional shape of the whole body by the light cutting method by picking up images of a light cutting line by plural image pickup devices and converting the coordinate systems of respective cutting lines into one common coordinate system. CONSTITUTION:Light beams from laser light sources 2 and 3 are linearized by columnar lenses 4 and 5 and projected on the target part of the body 1 to be measured. Image pickup signals from synchronizing signal generators 6 and 7 are A/D-converted 9 and 10 and recorded in frame memories 11 and 12 as data of one picture plane. The data are converted into binary data by binary coding devices 13 and 14 according to certain threshold values to extract only images of the light cutting line which are brighter than specified. The binary data are converted by coordinate converters 15 and 16 into coordinate values of measurement points, one by one, and further converted into coordinate values of respective points of the new same X-Y orthogonal coordinate system. Then, a distance calculating device 17 calculates difference between corresponding points between two light belts to find the distances between respective points, thereby measuring the sectional shape of the body 1 to be measured.

56. 发明专利

JPH0120225B2 失效
公开(公告)号：JPH0120225B2
公开(公告)日：1989-04-14
申请号：JP153980
申请日：1980-01-10
申请人： NIPPON STEEL CORP
发明人： MOTOMURA MASAKI , YAMAMOTO HIROSHI
IPC分类号： C23C2/20

57. 发明专利

JPS6133920B2 失效
公开(公告)号：JPS6133920B2
公开(公告)日：1986-08-05
申请号：JP11007279
申请日：1979-08-29
申请人： NIPPON STEEL CORP
发明人： YAMAMOTO HIROSHI , MOTOMURA MASAKI
IPC分类号： C25D11/38 , C25D21/12 , G01B21/02

58. 发明专利

JPS58204332A Measuring method of internal stress for steel material 失效
标题翻译：钢材内应力测量方法
公开(公告)号：JPS58204332A
公开(公告)日：1983-11-29
申请号：JP8659282
申请日：1982-05-24
申请人： Nippon Steel Corp
发明人： YAMAMOTO HIROSHI , MOTOMURA MASAKI , KAWAGUCHI KEISUKE
IPC分类号： G01R33/12 , G01L1/00 , G01L1/12 , G01N27/72
CPC分类号： G01L1/127 , G01L1/125
摘要： PURPOSE:To execute a simple and stable measurement, by subtracting a signal which adjust voltage and phase of an energizing current applied to an energizing winding, from an output signal of an output winding corresponding to a variation of magnetic permeability. CONSTITUTION:A detecting part 6 is energized by an output current which amplifies an output signal of a sine wave oscillator 2, and a magnetic line of force by this energizing winding 4 penetrates a material to be inspected 1. In this state, when internal stress of the material to be inspected 1 is varied, magnetic permeability of the material to be inspected 1 is varied. This variation of magnetic permeability becomes a voltage variation of an output signal of an output winding 5 of the detecting part 6. The output signal of the output winding 5 is amplified by an amplifier 9 through a subtracter 8, and a detecting output is obtained.
摘要翻译：目的：通过从与磁导率变化相对应的输出绕组的输出信号中减去调整施加到通电绕组的通电电流的电压和相位的信号来执行简单稳定的测量。构成：检测部分6由放大正弦波振荡器2的输出信号的输出电流激励，并且该激励绕组4的磁力线穿透待检查的材料1.在该状态下，当内部应力的待检查材料1变化，待检查材料1的磁导率变化。磁导率的这种变化成为检测部分6的输出绕组5的输出信号的电压变化。输出绕组5的输出信号由放大器9通过减法器8放大，得到检测输出。

59. 发明专利

JPS5714701A MEASUREMENT OF SPACE BETWEEN GALVANIZED STEEL SHEET AND GAS WIPER NOZZLE IN MOLTEN METAL PLATING LINE 失效
公开(公告)号：JPS5714701A
公开(公告)日：1982-01-26
申请号：JP8854480
申请日：1980-07-01
申请人： NIPPON STEEL CORP
发明人： MOTOMURA MASAKI , YAMAMOTO HIROSHI
IPC分类号： C23C2/20 , G01B7/00 , G01B7/14
摘要： PURPOSE:To measure a separated space between galvanized steel sheet and a gas wiper nozzle by attaching a contact displacement meter and a noncontact displacement meter and operating the space from these output values through an adder and so on. CONSTITUTION:A contact displacement meter 4 transmits a displacement output value corresponding to the moved displacement (b) of a movable chip 5 connected to the top of a gas wiper nozzle 3 with a prescribed distance (d) to an adder. The displacement output value corresponding to the separated distance (a) of a noncontact displacement meter 6 attached to a galvanizing steel sheet with a prescribed distance (c) from the contact displacement meter 4 is transmitted to the adder 7. The adder 7 addes both the displacement output values (a) and (b) of the adder 7 and the succeeding adder 8 adds the output values (a+b) of the adder 7 to the output value (b) of a constant setter 9 to detect the separated distance (e) between the galvanized steel sheet 1 and gas wiper nozzle 3. Thus, the separated space between the galvanized steel sheet and gas wiper nozzle can be measured precisely.

60. 发明专利

JPS5156689A 失效
公开(公告)号：JPS5156689A
公开(公告)日：1976-05-18
申请号：JP13064574
申请日：1974-11-13
申请人： NIPPON STEEL CORP
发明人： YAMAMOTO HIROSHI , MOTOMURA MASAKI
IPC分类号： G01N21/91 , G01N27/84

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