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JP4067749B2 |
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JP2008061203A |
To provide a structure for attaching a demagnetization coil to a color cathode-ray tube with which stable demagnetization effect is expected to remain permanently.A retainer 3 is attached to a projected piece 2 which projects from each o...
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JP2008058054A |
To provide a magnetization state determination method and a magnetization state determination device, which grasps precisely positional deviation, a width dimension or the like of a non-magnetized domain, and selects efficiently a perman...
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JP4060561B2 |
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JP2008054380A |
To provide a magnetization method which can achieve higher performance of a permanent magnet, by making the width of an unmagnetized section sufficiently small, enabling magnetization at low a current and a low voltage, a magnetization m...
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JP4040930B2 |
For the purpose of efficiently homogenizing a magnetic field, when homogenizing a strength distribution of a magnetic field generated in a space between a pair of facing pole surfaces, a continuous magnetization distribution for homogeni...
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JP4024472B2 |
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JP4018313B2 |
A magnetization yoke (11) having an exciting coil (12) wound thereon is arranged to hold a magnetic member (1) and a metal ring (2) so that a magnetic flux passes through and magnetizes the magnetic member (1) in the portion held by the ...
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JP2007281242A |
To provide a demagnetizing method for inexpensively and easily performing demagnetization at high speed with a high demagnetization rate, and also to provide a demagnetizer performing the method. A testpiece is magnetized in a regular ma...
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JP2007258250A |
To inexpensively manufacture magnetized bodies in various shapes and sizes. A resin layer as an assembly of micro-ink 15 is formed on a surface of a base material 1 by ink jet printing. The resin layer 3 is magnetized and is hardened. Th...
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JP2007256097A |
To prevent deformation of a magnetic-pole pattern and deterioration of accuracy resulting from attachment of a magnetic pulser. After assembling a bearing B, a base member 7 is attached to the shoulder part of its inner ring 3. In this s...
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JP2007245791A |
To provide a demagnetizing coil settling method capable of reducing misfit and a demagnetization control method using it. This demagnetizing coil settling method of a marine vessel having an M coil, an L coil and an A coil as demagnetizi...
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JP3979058B2 |
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JP3977052B2 |
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JP2007220805A |
To provide a method for manufacturing a magnetic substance deposit which can prevent a nozzle for jetting an aerozol from being clogged and can form a precise uniform magnetic film with a stable characteristic. In the method for manufact...
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JP2007213701A |
To provide a method of demagnetizing a magnetic tape that can completely remove the remanent magnetization even when the magnetic tape has a large coercive force. The method of demagnetizing the magnetic tape has a first demagnetizing st...
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JP3133657U |
To easily and surely magnetize a driver bit by eliminating the need for a magnetizing circuit or a power supply on the driver side for the purpose of magnetizing and demagnetizing a commercially available unmagnetized driver or a driver ...
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JP2007180149A |
To provide a molding device in magnetic field for preventing scuffing between an internal rod and a lower punch, and deviated wear at the external circumference of the internal rod or the internal circumference of the lower punch.The mol...
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JP3940980B2 |
To provide a permanent magnetizing device, wherein an object is magnetized while a strong magnetic field is generated for significantly improved magnetizing performance and efficiency, the magnetized object is continuously transferred to...
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JP2007147955A |
To solve the problem that it is impossible to obtain a desired magnetic flux density pattern for a developer peeling area only by an oriented magnetization during molding, so that the trouble such as ghost is caused, resulting in low ima...
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JP2007142083A |
To obtain an unsymmetrical magnetic flux density pattern by making a magnetic flux density pattern unsymmetrical and changing magnetic attraction force, and to obtain high image quality by enlarging magnetic attraction force in a side su...
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JP2007123634A |
To easily perform magnetization on the magnetization surface of a core material and the release while concentrating magnetic lines on the magnetic part of the core material by a cylindrical magnet and generating strong magnetism.The core...
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JP2007086623A |
To provide a developing device capable of surely demagnetizing magnetized carrier in a short time without changing the size of the developing device and without providing special demagnetizing control time.The developing device has: a de...
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JP3897532B2 |
To prevent magnetite scale from depositing on the wetting parts of apparatus constituting a clean water circulating system like a feed water circulating system of a nuclear power plant. The feed water valve of a secondary cooling system ...
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JP2007059463A |
To provide a method of magnetizing a magnet for a sensor by which no disturbed flow of magnetic flux to a magnetized surface occurs and accurate magnetization can be realized.When an annular magnet for a sensor is magnetized on multipole...
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JP3887864B2 |
To provide a demagnetizing apparatus in an electromagnet lift apparatus whereby a complete demagnetization is made possible by only one reverse excitation. In an attracting process wherein a storing and computing means 10 attracts a stee...
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JP2007043900A |
To provide the motor with improved the inhomogeneity of the magnetization of a permanent magnet.The motor includes a stator, a rotor making a rotational motion relating to the stator, and the permanent magnet installed in the rotor, here...
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JP3877780B2 |
A two-dimensional array of magnetomechanical markers is adhered to a continuous web. A magnetizer element is scanned across the web to magnetize the bias elements in a group of the markers with a first polarity, thereby activating the gr...
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JP2007027220A |
To solve the problem that it is difficult to make magnetic flux density in a longitudinal direction uniform, and that especially magnetic flux density of anti-gate side becomes high in a magnet piece by conventional injection molding of ...
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JP2007019127A |
To enable a permanent magnet to be prevented from being demagnetized, to enhance a generating magnetic field, and to be reduced in weight.A periodic magnetic field generator is equipped with a Halbach magnet arrangement composed of perma...
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JP3872751B2 |
To provide a superconducting magnet, capable of suppressing the reduction of trapped magnetic flux density, i.e. a magnetic flux creeping phenomenon, caused by the elapse of time, using the magnetic flux trapping characteristic of a seco...
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JP3864986B2 |
The present invention provides miniaturization of brushless motors and brush motors used in electric devices, a ring magnet which simultaneously achieves both high torque and a reduction in cogging torque, a ring magnet with yoke, and a ...
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JP2006351627A |
To improve the magnetization quality by preventing insufficient magnetization even for an extremely small-diameter and multipole annular permanent magnet which is magnetized in a small pitch, and to strongly magnetize it at a low cost.Ma...
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JP2006313587A |
To provide a demagnetization method of a magnetic medium and a device with sufficient demagnetization efficiency to cope with increase in medium coercive force expected in the future in a perpendicular magnetic recording medium in which ...
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JP2006304475A |
To reduce cogging while maintaining preferable magnetization of a compact permanent magnet.If the thickness t of the permanent magnet is set within a range of the following expression (4) with D at and less than 20 mm, a preferable perma...
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JP3839217B2 |
To provide a die device which can manufacture an anisotropic multipolar plastic magnet having a stable magnetic characteristic. In this die device in which a plurality of magnetic cores 15 formed of a ferromagnetic material and permanent...
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JP2006286712A |
To provide a technology which can easily and effectively magnetize metals which have been deemed difficult or impossible to magnetize.A metal 22 to be magnetized is located in a magnetic field generated by a magnetic vector potential. Th...
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JP2006286885A |
To provide a simple-structured magnetizer which more narrows the neutral zone than the conventional one and reduces the running cost, etc.A part or the entire of a magnetizing yoke is replaced with a permanent magnet so that magnetizatio...
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JP3835126B2 |
To reduce a time and a labor which are necessary when a product such as a motor, etc., which has a permanent magnet is disassembled by a disassembling device because magnet bits are stuck to the respective parts of the disassembling devi...
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JP3835447B2 |
To provide a magnetic sensor provided with magnetoresistive element, capable of stably maintaining the magnetization direction of the magnetic domain in a free layer. The magnetic sensor includes magnetoresistive element provided with a ...
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JP2006280056A |
To provide a permanent magnet capable of attaining a magnetic force high enough to be disposed on a rotor for a stepping motor, a manufacturing method capable of facilitating its manufacture, and a rotor for the stepping motor.This magne...
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JP3828369B2 |
To provide a magnet roller which can cope with a magnetic pole requiring a high magnetic flux density and be reduced in cost, and by which an image failure in an electrophotographic device such as developer halation (carrier halation or ...
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JP2006261226A |
To provide a demagnetizer and a demagnetizing device suitable for demagnetization of a large-sized work.The demagnetizer 10 includes a cylindrical exciting coil 18 which generates an alternating attenuation magnetic field for degaussing ...
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JP3124330U |
To instantly create a permanent magnet by magnetizing a non-magnetizing material such as a magnetic brick or a clay magnet which can be manufactured without using a machine when learning a magnet at an educational site such as an element...
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JP2006191003A |
To provide a degausser which effectively demagnetizes a magnetized part existing in the deep portion of a structure without lowering a portability of the degausser.The degausser comprises the degausser body 1 and a demagnetizing coil 2. ...
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JP2006173639A |
To provide a magnetization device for a bulk superconductor which can magnetize the bulk superconductor to a magnetic field with a magnetic flux density of 1 Tesla or higher, at a temperature of 77 Kelvin which can be cooled with liquid ...
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JP3791332B2 |
To provide a manufacturing apparatus of plastic magnet which has uniform magnetic characteristics of formed product during the formation of magnetic field. A magnetic circuit 16 is equalized, by adjusting the orientation angle of each ma...
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JP3774876B2 |
To enable manufacturing a high-performance radial anisotropic magnet having a long cylindrical length by decreasing the magnetic-field component in the axial direction in a cavity. At the outer surface of a die 10 of a molding die 1, fou...
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JP2006108330A |
To provide a magnet piece in which a surface magnetic flux density is uniform in a longitudinal axial direction with a good quality.In a manufacturing method for molding the magnet piece by a mold for injection molding with a melted resi...
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JP2006107714A |
To provide a system to clear a small inductive head that may stay magnetized even after a current no longer flows to the inductive head and a simple and inexpensive system to clear the inductive head of remanent magnetization in an H-sha...
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