Tayu
Kenichi Tayu, Kanagawa JP
Patent application number | Description | Published |
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20090153387 | ANALOG/DIGITAL CONVERTER AND INFORMATION RECORDING AND REPRODUCING APPARATUS - The present invention provides an A/D converter includes: a plurality of comparators for comparing a plurality of respective standard voltages with an analog input value for a magnitude thereof, the comparators being arranged depending on magnitudes of the standard voltages; a logic boundary detector for detecting a logic boundary point where output signals from the comparators change from one level to another level; and a plurality of majority circuits for being supplied with the output signals from the comparators and determining output signals based on a majority vote on the output signals from the comparators, the majority circuits having logic threshold values adjusted for respective input terminals thereof which are supplied with the output signals from the comparators. | 06-18-2009 |
Tetsurou Tayu, Yokosuka-Shi JP
Patent application number | Description | Published |
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20090081071 | RARE EARTH PERMANENT MAGNET ALLOY AND PRODUCING METHOD THEREOF - A rare earth permanent magnet alloy with a high coercive force is disclosed. The rare earth permanent magnet alloy comprises: a rare earth-iron-boron type magnetic phase (R | 03-26-2009 |
20110128106 | Rare earth magnet having high strength and high electrical resistance - This rare earth magnet having high strength and high electrical resistance has a structure including an R—Fe—B-based rare earth magnet particles | 06-02-2011 |
Tetsurou Tayu, Kanagawa JP
Patent application number | Description | Published |
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20080199715 | Nd-Fe-B type anisotropic exchange spring magnet and method of producing the same - A Nd—Fe—B type anisotropic exchange spring magnet is produced by a method of obtaining powder of a Nd—Fe—B type rare earth magnet alloy which comprises hard magnetic phases and soft magnetic phases wherein a minimum width of the soft magnetic phases is smaller than or equal to 1 μm and a minimum distance between the soft magnetic phases is greater than or equal to 0.1 μm, obtaining a compressed powder body by compressing the powder, and obtaining the Nd—Fe—B type anisotropic exchange spring magnet by sintering the compressed powder body using a discharge plasma sintering unit. | 08-21-2008 |