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公开(公告)号：US12056070B2
公开(公告)日：2024-08-06
申请号：US17939612
申请日：2022-09-07
Inventor： Taewon Kim
CPC classification number: G06F13/20 , G06F2213/40
Abstract: According to one embodiment, a transmitter device is configured to transmit to a receiver device including input and output terminals first setting data specifying input and output functions of the input and output terminals. The first setting data comprises first data common to the input and output terminals and second data inherent to each of the input and output terminals.
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52.发明公开公开(公告)号：US20240257830A1
公开(公告)日：2024-08-01
申请号：US18634025
申请日：2024-04-12
Inventor： Kaori KIMURA
CPC classification number: G11B5/1278 , G11B2005/0024
Abstract: According to one embodiment, a magnetic head comprises a main pole, an auxiliary magnetic pole provided with the main pole with a write gap therebetween, and a multi-layer provided between the main pole and the auxiliary magnetic pole, by which electric conductivity is enabled from the main pole to the auxiliary magnetic pole. The multi-layer includes a first cooling layer and a first conductive layer, orderly provided on a surface of the main pole opposed to the auxiliary magnetic pole, and the first cooling layer cools the main pole by Peltier effect when electric current is applied, and a length thereof in a track width is longer than a length in a track width of the main pole.
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公开(公告)号：US20240243222A1
公开(公告)日：2024-07-18
申请号：US18423939
申请日：2024-01-26
Inventor： Akira Tanaka , Hideto Sugawara , Katsufumi Kondo , Masanobu Iwamoto , Kenji Isomoto , Hiroaki Ootsuka
IPC: H01L33/06 , H01L25/16 , H01L31/0216 , H01L31/167 , H01L31/173 , H01L33/30
CPC classification number: H01L33/06 , H01L25/167 , H01L31/02161 , H01L31/167 , H01L31/173 , H01L33/30
Abstract: A semiconductor light-emitting device includes a substrate having a first energy bandgap, a first semiconductor layers on the substrate, an active layer on the first semiconductor layer, and a second semiconductor layer on the active layer. The active layer includes a quantum well layer, and a first barrier layer between the first semiconductor layer and the quantum well layer. The first semiconductor layer has a second energy bandgap wider than the first energy bandgap. The quantum well layer has a third energy bandgap narrower than the first and second energy bandgaps. The second semiconductor layer has a fourth energy bandgap wider than the third energy bandgap. The substrate has a refractive index greater than a refractive index of the first semiconductor layer. The refractive index of the first semiconductor layer is not less than a refractive index of the first barrier layer.
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公开(公告)号：US20240233779A1
公开(公告)日：2024-07-11
申请号：US18434091
申请日：2024-02-06
Inventor： Taichi OKANO , Kiyokazu ISHIZAKI , Nobuhiro YAMAMOTO , Kota TOKUDA , Hayato YAMAGUCHI
CPC classification number: G11B33/122 , G06F3/0676 , G11B5/54 , H05K1/118 , G11B33/022 , G11B2220/2516
Abstract: A disk device includes a magnetic disk, a magnetic head, a flexible printed circuit board, an electronic component, and a wall. The flexible printed circuit board is electrically connected to the magnetic head. The electronic component is mounted on the flexible printed circuit board. The wall has rigidity higher than the flexible printed circuit board and is attached to the flexible printed circuit board. The flexible printed circuit board with a first through hole includes a first surface facing the electronic component with a gap, and a second surface opposite the first surface and facing the wall, the first through hole being open to the first surface and the second surface to communicate with the gap. The wall is provided with a second through hole penetrating the wall to communicate with the first through hole.
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公开(公告)号：US20240233755A9
公开(公告)日：2024-07-11
申请号：US18358677
申请日：2023-07-25
Inventor： Yuji NAKAGAWA , Naoyuki NARITA , Tomoyuki MAEDA , Masayuki TAKAGISHI , Tazumi NAGASAWA , Ryo OSAMURA , Kosuke KURIHARA
CPC classification number: G11B5/1272 , G11B5/3116 , G11B5/582 , G11B2005/0005
Abstract: According to one embodiment, a magnetic head includes first and second magnetic poles, a conductive part, an element part, and first to fourth terminals. The conductive part is electrically insulated from the first and second magnetic poles. The first and second terminals are electrically connected to the conductive part. The element part is provided between the first and second magnetic poles and electrically connected to the first and second magnetic poles. The element part is conductive. The third terminal is electrically connected to the first magnetic pole. The fourth terminal is electrically connected to the second magnetic pole. A first magnetic pole temperature in a first state is higher than a second magnetic pole temperature of the second magnetic pole in the first state. A first current is supplied between the first and second terminals in the first state.
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Patent Agency Ranking
公开(公告)号：US12033662B2
公开(公告)日：2024-07-09
申请号：US17462379
申请日：2021-08-31
Inventor： Kana Furuhashi , Hiroyuki Takeda
CPC classification number: G11B20/1889 , G11B20/1258 , G11B20/1833 , G11B20/1866 , G11B2020/1222 , G11B2020/1232 , G11B2020/1238
Abstract: A magnetic disk device includes a disk including a plurality of error sectors including a defect, a first track having a first parity sector, and a controller. The controller is configured to, upon receiving a write command to write first data in a first region of a portion of the first track, which is a portion of the first track, first perform an XOR operation on all sectors of the first track other than one or more sectors of the first region and the first parity sector of the first track, and then write the first data in the one or more sectors of the first region, perform a second XOR operation on the one or more sectors of the first region and the result of the first XOR operation, and write the result of the second XOR operation in the first parity sector.
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公开(公告)号：US12033335B2
公开(公告)日：2024-07-09
申请号：US17463401
申请日：2021-08-31
Inventor： Yutaka Yamada , Yuichi Oda , Manabu Nishiyama , Yutaka Oki
IPC: G06T7/246
CPC classification number: G06T7/248 , G06T2207/10024 , G06T2207/20081
Abstract: According to one embodiment, a motion estimation device includes a first receiving circuit that receives a first input frame and a calculation circuit that performs motion estimation processing on the first input frame. The calculation circuit estimates a distance for each pixel of the first input frame and estimates a reliability of the distance for each pixel of the first input frame based on pixel information of the first input frame.
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公开(公告)号：US12021513B2
公开(公告)日：2024-06-25
申请号：US17939873
申请日：2022-09-07
Inventor： Yosuke Ogasawara , Takayuki Teraguchi
IPC: H03K17/10 , H03K17/16 , H03K17/687 , H03K17/693
CPC classification number: H03K17/102 , H03K17/162 , H03K17/6871 , H03K17/693
Abstract: A semiconductor device includes an input terminal, an output terminal, and a plurality of transistors. The transistors are coupled through serial coupling. The transistors include a first transistor and a second transistor. The first transistor has a first end and a second end. The second transistor has a third end, a fourth end, a first gate, and a first body. The third end is coupled to the second end. The semiconductor device further includes a third transistor and a first diode. The third transistor and the first diode are serially coupled between the first body and the first end. The third transistor includes a second gate coupled to the first gate.
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公开(公告)号：US12019462B2
公开(公告)日：2024-06-25
申请号：US17692653
申请日：2022-03-11
Inventor： Toru Hashimoto , Akio Ogura
Abstract: According to one embodiment, a constant voltage circuit includes: a first gain stage configured to output a first voltage amplified based on an output voltage and a reference voltage; a first transistor configured to control the output voltage based on the first voltage; a second transistor configured to control a current that flows through the first gain stage; a first circuit configured to convert an amount of fluctuation in the output voltage into a first current; and a second circuit configured to control a gate voltage of the second transistor based on the first current. A third current or a fourth current greater than the third current flows through the first gain stage based on the gate voltage of the second transistor.
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公开(公告)号：US12014757B2
公开(公告)日：2024-06-18
申请号：US18169407
申请日：2023-02-15
Inventor： Shinichi Kobatake , Toru Watanabe , Masami Yamane
CPC classification number: G11B5/5547 , G11B5/012 , G11B19/28
Abstract: According to one embodiment, a disk device includes a rotatable magnetic disk, an actuator which supports and moves a head, a ramp which holds the head at an unloaded position, a motor which rotates the magnetic disk, and a controller which performs a load operation and a seek operation. When a radial travel speed of the head during the load operation is referred to as Vr1, a circumferential travel speed of the head is referred to as Vt1, a radial travel speed of the head during the seek operation is referred to as Vrs, and a circumferential travel speed is referred to as Vts, the controller controls at least one of the radial travel speed of the head and number of revolutions of the magnetic disk to satisfy a relationship (Vr1/Vt1)
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