专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

61. 发明专利

JP2001178695A INSTRUMENT FOR MEASURING BIOLOGICAL MAGNETIC FIELD 失效
公开(公告)号：JP2001178695A
公开(公告)日：2001-07-03
申请号：JP2000309658
申请日：2000-10-10
申请人： OSAKA GAS CO LTD
发明人： TAKAE TSUTOMU , SAKAMOTO KIKUO , TAMURA ITSURO
IPC分类号： G01R33/02 , A61B5/05 , A61G13/00 , G01N27/72 , G01R33/035
摘要： PROBLEM TO BE SOLVED: To prevent the transmission of a vibration from a floor, etc., during the measurement of a biological magnetic field. SOLUTION: A support board 28 for supporting a superconductive quantum interference flux meter and a bed 24 where an object to be inspected 25 being a living body is arranged via dampers 27 on the receiving board of a vibration isolating device in order to detect the feeble magnetic field of the living body by the superconductive quantum interference flux meter. The vibration isolating device for preventing the transmission of the vibration from the floor is provided with granular bodies inside a storing vessel, which consist of a large number of hard non-magnetic materials disposed on the floor and have a non-uniform shape, and the receiving board is arranged on the granular bodies. The dampers are non-metallic. Then the vibration from the floor is not transmitted to the flux meter, the dampers are arranged in the vicinity of the flux meter to attain miniaturization of a measuring instrument and the mutual span of the plurality of dampers is shortened. Then the vibration owing to the bending of the support board 28 is prevented or the vibration when the flux meter is vertically or horizontally moved is suppressed.

62. 发明专利

JPH1026608A NONDESTRUCTIVE INSPECTING METHOD 失效
公开(公告)号：JPH1026608A
公开(公告)日：1998-01-27
申请号：JP18176996
申请日：1996-07-11
申请人： OSAKA GAS CO LTD
发明人： FUJITA SATOSHI , TAMURA ITSURO
IPC分类号： G01R33/035 , G01N27/82
摘要： PROBLEM TO BE SOLVED: To obtain an inspecting method capable of detecting fatigues or defects at an earlier stage by a method capable of detecting finer signals. SOLUTION: A reference sample 1b having the same material quality and shape as an inspection object 1a is prepared, band magnets and dispositions of the inspection object 1a and the reference sample 1b are performed so that a direction of a magnetic field of the inspection object 1a is counter to a direction of a magnetic field of the reference sample 1b, and a magnetic sensor such as SQUID(superconductive quantum interference device) is relatively moved to the inspection object 1a along a region where a magnetic field near the inspection object 1a is offset to a magnetic field near the reference sample 1b, and a change of DC magnet of the inspection object 1a is measured.

63. 发明专利

JPH07328080A HEAD SECTION FIXING DEVICE FOR MEASURING BRAIN MAGNETIC FIELD 失效
公开(公告)号：JPH07328080A
公开(公告)日：1995-12-19
申请号：JP12933594
申请日：1994-06-10
申请人： OSAKA GAS CO LTD , KANSAI SHIN GIJUTSU KENKYUSHO
发明人： TAMURA ITSURO , TAKAE TSUTOMU , CHIBA KENICHI
IPC分类号： A61B5/05 , A61G13/12 , A61G15/12
摘要： PURPOSE:To firmly fix a head section to a head section cover tool while the head section is covered by the head section cover tool for measuring the brain magnetic field. CONSTITUTION:The jaw 4 of an examinee 2 is supported by a jaw support piece 5, the jaw support piece 5 is formed on a support rod 8 so that the angle can be changed around the axis in parallel with the right and left directions of the examinee 2, and the support rod 8 is fixed to a fitting member 9 so that the fitting position in the middle of the longitudinal direction can be changed. The jaw 4, i.e., head section 3, can be firmly fixed while being inserted into a head section cover tool, and the brain magnetic field can be measured with high accuracy for a long period.

64. 发明专利

JPH07124133A MAGNETIC MEASURING INSTRUMENT 失效
公开(公告)号：JPH07124133A
公开(公告)日：1995-05-16
申请号：JP27858993
申请日：1993-11-08
申请人： OSAKA GAS CO LTD
发明人： IZUMA HIROAKI , TAMURA ITSURO , YAMAMOTO HIDEKI , SADAHIRO YOSHIFUMI , TSUTSUI HIDEYUKI
IPC分类号： G01R33/02 , A61B5/05 , G01R33/035 , G01R33/10
摘要： PURPOSE:To accurately identify the position of a signal source estimated by a SQUID system at a position in a living body by providing a sensor which measures a magnetic field generated by a magnetic field generating coil arranged along the shape of the living body and a specific signal source in the living body. CONSTITUTION:A multi-channel SQUID sensor 1 to measure the magnetic field generated by plural magnetic field generating coils arranged along the shape of a head part and the specific signal source in the head part, and a control part 5 capable of generating the magnetic field by the magnetic field generating coil are provided. Also, a processing/control part 3 capable of estimating the position of a magnetic field generating coil group 4 on the coordinate system of the SQUID sensor 1 and that of the specific signal source in the head part based on a measured result using the SQUID sensor 1. and superimposing the position of the magnetic field generating coil group 4 on the coordinate system of the SQUID sensor 1, or the shape of a head surface obtained from the position on the shape of the head part obtained by a tomograph 6 is provided.

65. 发明专利

JPH0788097A BIOLOGICAL MAGNETIC FIELD MEASURING DEVICE 失效
公开(公告)号：JPH0788097A
公开(公告)日：1995-04-04
申请号：JP23838993
申请日：1993-09-24
申请人： OSAKA GAS CO LTD
发明人： TAMURA ITSURO , TAKAE TSUTOMU
IPC分类号： A61B5/05
摘要： PURPOSE:To prevent intermixing of noises by angularly displacing a magnetic field measuring means to a portal supporter so as to swing about the horizontal axis at the measuring position and tilt. CONSTITUTION:A magnetic field measuring means 5 is constituted such that a base table I47 is secured to the floor 156 of a magnetic shielding chamber. 156, and that on the base table 147 a pair of struts 7, 8 are formed to stand with the upper parts of the struts 7, 8 fixed to a ceiling plate 146. The pair of struts 7, 8 and the ceiling plate 146 constitute a portal supporter 43. A support ring 60 is secured to the magnetic field measuring means 5, and to the support ring 60 are secured a pair of fulcrum shafts 14, 15 having the axes on a horizontal straight line. The fulcrum shafts 14, 15 are supported at the measuring position and, being displaced angularly about the horizontal axis, performs swinging and tilting actions. The struts 7, 8 are not provided with any mechanism to elevate the magnetic field measuring means 5, the rigidity of the struts 7, 8 is enhanced so that the natural frequency of the magnetic field measuring means 5 are made 30Hz or more, thereby making the amplitude small and preventing noises from intermixing.

66. 发明专利

JPH0690927A POSITION DETECTING METHOD AND POSITION DISPLAY IMPLEMENT USED THEREFOR 失效
公开(公告)号：JPH0690927A
公开(公告)日：1994-04-05
申请号：JP24790592
申请日：1992-09-17
申请人： OSAKA GAS CO LTD
发明人： TAMURA ITSURO , TAKAE TSUTOMU
IPC分类号： A61B5/055 , G01R33/28 , G06T1/00
摘要： PURPOSE:To continuously detect an image pickup of an object to be detected by superposing and arranging a V-shaped position display implement on the object to be detected, detecting both of them and obtaining both detected images, and detecting a display position of the detected image of the object to be detected in accordance with a cross section image of the position display implement. CONSTITUTION:In the case of obtaining a cross section image of a human body 1 by a method of an MRI, a plane vision V-shaped position display implement 3 which is made of gelatin and in which the inside of a hollow part is filled with vitamin E is placed in the upper part of the human body 1 lying on his back on a bed. Subsequently, the cross section image 15 of the human body obtained by the MRI is displayed on a screen 14 of a visual observation display means of a cathode ray tube, etc., together with images 17, 18 of the position display implement 3 at that time. In this case, an interval L of images 17, 18 on the screen 4 is measured, and a distance D from a connecting end part 6 being the apex of the V-shape of the position display implement 3 is obtained. That is, the connecting end part 6 of the position display implement 3 is superposed and arranged in, for instance, a sword-like projection 19 of the human body 1, and the position display implement 3 is arranged so that a bisector 20 passes through the sternum wall 21 of the human body 1, by which an exact position of a photographing part 16 is known.

67. 发明专利

JPH05212008A MAGNETIC FIELD MEASURING SYSTEM 失效
公开(公告)号：JPH05212008A
公开(公告)日：1993-08-24
申请号：JP1794192
申请日：1992-02-03
申请人： OSAKA GAS CO LTD
发明人： TAMURA ITSURO , TAKAE TSUTOMU
IPC分类号： A61B5/05 , G01R33/035 , G01R33/10 , G01R33/28
摘要： PURPOSE:To exactly measure a magnetic field without any adverse influences caused by an organic magnetic field by providing a magnetic field measuring means to detect the fine organic magnetic field of a reagent on a bed while being supported by a gantry constituted in the shape of a gate. CONSTITUTION:This magnetic field measuring system 7 is provided with a bed 8 to load the reagent, gantry 9 constituted in the shape of a gate, and superconducting quantum interference magnetic flux meter 10. This magnetic field measuring means detects the fine organic magnetic field at the head of the testee on the bed. The gantry 9 is errected on a floor 11, and the bed 8 is arranged on this floor 11. The bed 8 is provided with a seat part 12 where the reagent sits down, back part 13 provided to displace the angle to this seat part 12 and footrest part 14, and these parts can be elevated/displaced by a displacing means 15 and turned to the state of a so-called reclining seat. The bed can also be moved on the floor 11 by a moving means 17. At the upper part of the back part 13, a U-shaped holding member 20 is provided for fixing the head of the testee.

68. 发明专利

JPH05200010A DEVICE FOR FORMING CURRENT DIPOLE IN VOLUME CONDUCTOR 失效
公开(公告)号：JPH05200010A
公开(公告)日：1993-08-10
申请号：JP1309092
申请日：1992-01-28
申请人： OSAKA GAS CO LTD
发明人： MATANI AYUMI , TAMURA ITSURO
IPC分类号： A61B5/0402 , A61B5/05 , G01N27/20 , G01N27/72
摘要： PURPOSE:To prevent an adverse effect of current consumed in electrolysis or the like by providing a partition member in the axially central position of a straight cylindrical tube made of a electrically insulating and fluid- impermeable material and a pair of electrodes adjacent to respective inside spaces of the tubular body near the partition member. CONSTITUTION:Physiological saline 22 of a volume conductor is stored in a water tank 21 formed of synthetic resin for example. In the saline 22, a current dipole device 23 composed of a tubular body 26 formed of an electrically insulating and water-impermeable material, a partition member 29 for partitioning the tubular body into internal spaces 27, 28 and electrodes 31, 32 arranged adjacent to the internal spaces 27, 28 near the partition member 29 is provided. The saline 22 enters the internal spaces 27, 28 in the tubular body 26 so that distributed current flows to form the current dipole. Experiments such as the detection of abnormal parts simulating a living body are permitted by the detection of surface potential and outside magnetic field assuming that the current dipole device 23 for example is an exciting position in the heart and another volume conductor 25 arranged near the exciting position is the lung.

69. 发明专利

JPH04164271A MAGNETIC FIELD MEASUREMENT DEVICE 失效
公开(公告)号：JPH04164271A
公开(公告)日：1992-06-09
申请号：JP14407890
申请日：1990-05-31
申请人： OSAKA GAS CO LTD
发明人： TAMURA ITSURO , SAKAMOTO KIKUO , TAKAE TSUTOMU
IPC分类号： G01R33/035 , A61B5/05 , G01R33/12
摘要： PURPOSE:To enable a sufficiently long distance to be maintained between a magnetic filed measurement means and a motor comprising a ferromagnetic material, and the intensity of weak magnetic field to be measured by connecting a bed for carrying an inspected article to the motor via a belt. CONSTITUTION:A bed 24 with an inspected article placed thereon is connected to motors 48 and 51 for shifting the aforesaid bed 24 in X and Y directions, via belts 44, 47 and 56 made of such a material as rubber. Furthermore, the motor 48 and 51 comprising a ferromagnetic material are laid at a position sufficiently away from the bed 24, for example, at a distance of approximately 1.6m or more from the bed 24. As a result, a magnetic field measurement device 21 so provided as to be capable of vertical motion via a lift drive means 60 above the bed 24, can be sufficiently separated from the motors 48 and 51, and the adverse influence of the motors 48 and 51 upon the device 21 can be prevented, thereby enabling the intensity of weak magnetic field to be measured with high accuracy. Furthermore, a motor or the like constituting a device for causing the rotation of the device 21 is demounted after the setting the vertical alignment of the device 21 with a means 60, thereby preventing an adverse effect upon the device 21.

70. 发明专利

JPH0435643A MEASURING METHOD AND EQUIPMENT FOR ELECTROMAGNETIC WAVES GENERATED FROM LIVING BODY 失效
公开(公告)号：JPH0435643A
公开(公告)日：1992-02-06
申请号：JP14407590
申请日：1990-05-31
申请人： OSAKA GAS CO LTD
发明人： TAMURA ITSURO , WADA MASAO , ISUMI TAKASHI , TAKAE TSUTOMU
IPC分类号： G01N22/00 , A61B5/05 , G01R33/035
摘要： PURPOSE:To measure electromagnetic waves generated from a living body in high accuracy by detecting periodic electromagnetic waves generated from the living body and obtaining arithmetic mean values of the detected electromagnetic waves for a time interval less than the period adjoining to a reference time of every period. CONSTITUTION:Electric signals in mV order derived from a fluxmeter 1 are amplified in an amplifying circuit 5, and the levels of which are discriminated in a level discrimi nating circuit 8. A discriminating level lA is selected so as that a time interval W2 from an initial time t1 of a period of electric signals derived from the fluxmeter 1 to a line 2 to a time t2 discriminated by such a level lA becomes a stable constant value for respective periods. The output of the level discriminating circuit 8 is inputted to another level discriminating circuit 13, and then inputted to an arithmetic mean processing circuit 16 through a line 14, and processed to obtain an arithmetic mean for respective prespecified periods W5 and W6 before and after a reference time, for instance a rise time of electric signals such as t2, t21, for total time interval (W5+W6), and signals from the fluxmeter 1 prestored in a memory can be used for the arithmetic mean process to calculate and obtain the arithmetic mean.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式