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JP2000133518 |
To provide a method for magnetizing an object to be magnetized, in such a pattern that a plurality of magnetic poles are formed at very short intervals on the endless peripheral surface of the object, and a high magnetic flux density is ...
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JP2000133519 |
To efficiently form a plurality of magnetic poles at very short intervals, in the peripheral surface of an object to be magnetized which has an endless peripheral surface. A master magnet roll 2, in which a plurality of magnetic poles ar...
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JP2000114042 |
To form a magnetic-pole group in which a plurality of magnetic poles are magnetized on the circumferential surface of an object to be magnetized having non- magnetized end, and a magnetic powder can be attracted uniformly thereon.A magne...
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JP2000077232 |
To demagnetize a current transformer iron core which is biased in magnetization or saturated, even when a carrying current at the primary side circuit of a current transformer by suppressing to a minimum the interruption of the function ...
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JP2000040611 |
To facilitate the magnetization in the lower magnetic field also displaying extremely high coersive force once magnetized, by a method wherein, in the material containing MnBi magnetic powder in a specific particle size and a resin binde...
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JP2000021631 |
To provide a demagnetizing method of an iron core which is capable of sure demagnetization in a short time by using a small capacity power supply, irrespective of a mode of residual magnetic flux of a three-phase static induction electri...
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JP2000021632 |
To provide a demagnetizing system for detecting the change in the local permanent magnetism of a hollow structure and maintaining a magnetic field appearing in the outside minimum at all these. A detection signal of a magnetic detector 5...
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JP3020045 |
PURPOSE: To enable obviously and visibly recognizing vehicle information whose navigation is normally displayed on a screen by automatically changing-over the display scale of the screen into the prescribed special scale which is previou...
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JP2000012331 |
To provide a method and an apparatus for polarizing which exhibits no variation in polarization pitch, can be manufactured at a low price, and conveniently gives skew magnetization. A method of magnetizing, wherein a current of which the...
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JP3018723 |
PURPOSE: To obtain the zoom lens which has a wide view angle and a high power variation ratio by providing four lens groups on the whole and properly setting the refracting powers of the respective lens groups and the movement conditions...
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JP3018637 |
PURPOSE: To solve the problem permitting the magnetization of the ring-shaped magnet only as it is incorporated in a center role so that it should be incorporated in the magnetic circuit after the magnetization and to provide the product...
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JP3008615 |
PURPOSE: To obtain the title radial anisotropic ring magnet having sine wave type flux density distribution along the circumferential direction. CONSTITUTION: A magnet 10 formed in a ring shape is magnetized with magnetic fields in the r...
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JP11329839 |
To form multiple magnetic poles in the peripheral and axial directions causing no diviation at all an a cylindrical or circular magnetized bodies. A cylindrical magnetized body 1 is rotatably supported around the axis thereof by the firs...
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JP3003456 |
PURPOSE: To sufficiently hold the metallic foil and prevent the problems such as buckling of the metallic foil by the thermal stress from being generated in a structure of a metallic catalyst carrier where the metallic foil consisting of...
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JP3003924 |
To effectively monitor a printing state by a method wherein an image is so shooted as a non-coated part directs vertically or horizontally and an image density value is added to the image in the longitudinal direction of the non-coated p...
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JP11307343 |
To realize uniform magnetization by restraining irregularities between magnetized poles which are due to positioning failures in magnetizing and impact force of magnetization. A magnetizing yoke 13 is arranged on a stage 12. After a perm...
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JP11308824 |
To provide a magnetization method and magnetization device of a permanent magnet by which a perfect magnetization level intensity is achieved, while a waveform for magnetization such as a sine wave, etc., is controlled. Protruding parts ...
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JP11308825 |
To provide a magnetization device of the rotor magnet of a permanent magnet synchronous motor by which a magnetomotive force distribution and a no-load induced voltage waveform which do not contain harmonic components can be obtained. Th...
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JP11297530 |
To provide a magnetizing device wherein a permanent magnet magnetized with nonuniformity in magnetic flux is suppressed. For this magnetizing device, a magnetizing coil 13 passes by magnetizing coil holding parts 12a and 12b of the same ...
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JP11288813 |
To establish an intensive perfect magnetizing level with the waveform of sinusoidal-waveform magnetization and the like being controlled by providing the interval between a magnet material arranged between magnetizing and auxiliary yokes...
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JP11275824 |
To magnetize a rotor by fixing it at a given position with respect to a stator with a positioning member even if a compressor has a structure that its inside part is invisible. A side part 24a of a positioning jig 24 is made to contact t...
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JP11275825 |
To enlarge elements effective for magnetization in magnetic flux crossing a permanent magnet positioned around the vertical direction of magnetized coils. This device is provided with a magnetizing yoke 3 as a member having a hollow part...
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JP2988296 |
PURPOSE: To provide a method for determining a magnetization error in the magnetization measuring method for determining an abnormal error by immediately detecting the magnetization error. CONSTITUTION: A traveling magnetic long material...
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JP11266571 |
To prevent the distortion in the direction of inside periphery after magnetization of winding, and also to prevent the withstand voltage defect caused by the electromagnetic shock at magnetizing. A rotor core which has a magnet in unmagn...
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JP11266570 |
To suppress the temperature increase and strongly achieve magnetization with a compact facility by changing the position of a rotor for a desired magnetic flux density distribution for magnetizing a magnetic member. After the position of...
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JP11260641 |
To enable sure detection of the changing value only of an eddy current magnetic field accompanied by the fluctuations of a hollow structure body which is not caused by the change in the geomagnetism. Geomagnetism near a hollow structure ...
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JP11252873 |
To enable magnetization at minimum magnetizing voltage and magnetizing current required for 100% magnetization without fail, regardless of the change in the resistance of the applying wire, such as stator winding, to which a magnetizing ...
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JP11252874 |
To reduce stator defect due to magnetization, by performing magnetization with a magnet fitted into a rotor assembled into a casing, and utilizing a member for magnetization placed outside the casing. A stator 3 and a rotor 6 are assembl...
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JP2978048 |
PURPOSE: To simplify the structure and to reduce the cost by feeding a magnetizing head with a voltage from a magnetizing power supply so that an output higher than a desired level is obtained thereby magnetizing a signal magnet and appl...
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JP11243671 |
To obtain the magnetization method of a permanent magnet motor, in which a rotor can be accurately aligned with a stator with a small device, even if the structure inside state of a compressor is not visible. First, a rotor 7 having unma...
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JP2963847 |
PURPOSE: To prevent degaussing defect by equalizing the frequency of the degaussing current supplied from a degaussing power source to a degaussing coil and that of the vertical deflection current of a CRT to each other and making phases...
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JP11200679 |
To improve the productivity of a magnet key and reduce a fraction defective thereof. A plurality of recessed parts are formed in rows along the direction of length in a key material 1 such as a nonmagnetic metal material, a magnet raw ma...
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JP11196563 |
To magnetize non-magnetized magnet materials while they are fixed to a support ring. A magnetizing device of a magnet for an eddy current generated retarder has a magnetizing coil 13 having a plurality of cores 13a protruding from the in...
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JP11186037 |
To provide a magnetizing method for forming a plurality of magnetic poles spaced at intervals of a very small distance in a member to be magnetized, having a magnetic layer formed on an endless peripheral surface or in the vicinity there...
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JP11186036 |
To provide a magnetization method for forming a plurality of magnetic poles, spaced at intervals of very small distance in a member to be magnetized having an endless peripheral surface, in which the magnetic poles can be magnetized at i...
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JP11176638 |
To provide a device which can demagnetize residual magnetism in a transformer iron core in a simple manner without stopping a primary circuit. A device circuit for demagnetizing remanence in a transformer ion core includes a current dete...
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JP11162731 |
To provide a magnet member, etc., wherein it is easy to allow a magnetic characteristics of the surface of a sleeve which, being rotative, incorporates a magnet member to be a complex magnetic characteristics comprising a repulsive magne...
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JP11150021 |
To uniformly magnetize plural magnetic poles to a magnetic body having a non-edge shaped peripheral face or a magnetic body layer formed on a non-edge shaped peripheral face, without generating discontinuous parts. A magnetizing head 3 i...
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JP2929169 |
PURPOSE: To provide a new manufacturing method of a yoke device for magnetization which can remarkably prolong the intervals of adjustment R polishing and inspection. CONSTITUTION: This manufacturing method consists of the following; a p...
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JP11113224 |
To obtain a magnetizing method of a permanent magnet type eddy current reducer in which magnetization is performed after magnets are coupled to a magnet retaining ring and built in a guide cylinder. An even number of magnets 20 before ma...
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JP11110709 |
To realize automatic demagnetizing work by sequentially taking up to transfer a magnetic tape accommodated within a tape stocking area, erase the recorded contents and then accommodating the tape into the demagnetized tape stocking area....
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JP11113225 |
To minimize deformation to the coil of a stator winding and facilitate assembly of a compressor, by connecting a capacitor charged with necessary charges to polarize the member to be polarized of a rotor to the stator winding for energiz...
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JP11100614 |
To obtain a shape memory alloy combining magnetic force and shape recovering force by a simple method using an inexpensive stock by annealing a ferrous shape memory alloy for a time in a specified range in the air or in the water vapor o...
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JP11103565 |
To provide a magnetizing method of a DC motor for compressors, wherein the deformations of the coil ends of its stator winding can be reduced, when magnetizing its rotor magnet. A rotor shaft 4 is rotated, coil ends 3 of the A and B phas...
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JP11087138 |
To make the switching timing synchronized with the period of the a-c component in a rectified a-c current for each power feed time set to an integral multiple of the period of the a-c component. This power source generates pulse signals,...
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JP11074124 |
To provide an inexpensive automatic magnetizing and demagnetizing apparatus, capable of efficiently magnetizing and demagnetizing a permanent magnet. A permanent magnet 11 is properly oriented by a parts feeder 1 so as to determine its d...
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JP11073644 |
To recover deteriorated sound quality and picture quality, etc., due to magnetism in reproducing by degaussing the magnetism magnetized on an information recording disk such as the CD(compact disk). This degausser 30 is provided with a c...
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JP11040423 |
To provide a multi-pole magnetizing device by which tees and an object to be magnetized are brought into intimate and uniform contact and the tees do not apply a large impact to the object to be magnetized at the time of collision. A dev...
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JP11038766 |
To increase magnetization efficiency and obtain large magnetic force by magnetizing a magnetization object so that the interval between the magnetic poles to be magnetized of the magnetization object adjoining the rotating direction of t...
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JP11031621 |
To prevent the generation of magnetic contamination chipping, etc., by providing a protection member formed of thin metal which covers an entire of an outer circumference of a magnetic yoke in a magnetizer. A magnetizer, wherein a non-ma...
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