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公开(公告)号：US20220363262A1
公开(公告)日：2022-11-17
申请号：US17742241
申请日：2022-05-11
Applicant: Alps Alpine Co., LTD
Inventor： Shinji Watanabe
Abstract: An in-vehicle device includes a vehicle detection unit that detects behavior of a user's own vehicle that is traveling, a neighboring vehicle detection unit that detects behavior of a neighboring vehicle preceding the user's vehicle, a neighboring vehicle following the user's vehicle, or both of neighboring vehicles, a road determination unit that determines the condition of a road on which the user's vehicle is traveling on the basis of behavior of the user's vehicle detected by the user's vehicle detection unit and behavior of a neighboring vehicle detected by the neighboring vehicle detection unit, and a transmission information creation unit and a transmission unit that transmit road information including a determination result by the road determination unit.
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公开(公告)号：US11482204B2
公开(公告)日：2022-10-25
申请号：US17362413
申请日：2021-06-29
Inventor： Ryosuke Tachi , Yuji Saito , Yoshinobu Kajikawa
IPC: G10K11/178
Abstract: In a first system signal processing unit, a first system auxiliary filter generates a correction signal for correcting an error signal from a noise signal, a first system subtractor subtracts the correction signal from an output of a first microphone to obtain an error signal, an adaptive filter performs an adaptive operation using the error signal to generate a cancel sound output from a first speaker, and a DMS detects a position of a user's ear. When the position of the user's ear moves, the controller stops the adaptive operation, updates the transfer function of the first system auxiliary filter to the transfer function corresponding to the noise cancel position matching the position of the user's ear, gradually changes the transfer function of the adaptive filter to the transfer function corresponding to the matching noise cancel position, and resumes the adaptive operation after the change is completed.
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公开(公告)号：US20220334682A1
公开(公告)日：2022-10-20
申请号：US17858687
申请日：2022-07-06
Applicant: Alps Alpine Co., Ltd.
Inventor： Atsushi MATSUDA
IPC: G06F3/044
Abstract: An input device includes: an operation surface that receives an operation from an operating body that is in close proximity thereto; and first detection electrodes that are arranged along the operation surface and that extend parallel to each other in a first direction. Each of the first detection electrodes has first detection surfaces that are provided side by side in the first direction and a first current path portion that extends linearly in the first direction and via which the first detection surfaces are connected to each other; and each of the first detection surfaces has one or more second current path portions and a pair of first connection portions via which the one or more second current path portions and the first current path portion are connected in parallel to each other.
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公开(公告)号：US11476413B2
公开(公告)日：2022-10-18
申请号：US16909656
申请日：2020-06-23
Applicant: Alps Alpine Co., Ltd.
Inventor： Masamichi Saito , Fumihito Koike
Abstract: A tunnel magnetoresistance effect (TMR) device includes an exchange coupling film having a first ferromagnetic layer, which is at least a portion of a fixed magnetic layer, and an antiferromagnetic layer laminated on the first ferromagnetic layer. The ferromagnetic layer includes an X(Cr—Mn) layer containing one or two or more elements X selected from the group consisting of the platinum group elements and Ni, and also containing Mn and Cr. The X(Cr—Mn) layer has a first region relatively near the first ferromagnetic layer, and a second region relatively far away from the first ferromagnetic layer, and the content of Mn in the first region is higher than that in the second region.
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公开(公告)号：US20220326318A1
公开(公告)日：2022-10-13
申请号：US17846464
申请日：2022-06-22
Applicant: Alps Alpine Co., Ltd.
Inventor： Cheng Zheng , Xunyu Zhang
Abstract: A current sensor includes: plate-shaped bus bars; a magnetic detection portion; and a shell holding the bus bars. The bus bars are arranged in a first direction. At least some of the bus bars have: a first conductor portion extending in the first direction; a second conductor portion connected to one end of the first conductor portion and extending in a second direction crossing the first direction; and a third conductor portion connected to the other end of the first conductor portion and extending in a third direction. The bus bars at least include first and second bus bars adjacent in the first direction, where the width of the first conductor portion is greater than the thickness thereof, and when viewed from the third direction, the first conductor portions of the first and second bus bars are spaced apart from each other by a certain distance in the second direction.
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Patent Agency Ranking
公开(公告)号：US20220321015A1
公开(公告)日：2022-10-06
申请号：US17848720
申请日：2022-06-24
Applicant: Alps Alpine Co., Ltd.
Inventor： Mitsunao Fujimoto
Abstract: A direct-current voltage conversion circuit having on/off control with a dead-time period performed alternately on a first switch and a second switch included in a direct-current voltage conversion circuit. When alternating current flows in a series circuit part including two transformers magnetically independent, current flows in an output circuit including a secondary side of one transformer, and energy is accumulated in the other transformer. The permeabilities of the magnetic cores in the first and second transformers is between 15 and 120.
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公开(公告)号：US20220308348A1
公开(公告)日：2022-09-29
申请号：US17703033
申请日：2022-03-24
Applicant: Alps Alpine Co., LTD
Inventor： Katsunari Ashimine
Abstract: Implementations of a display device of the present disclosure include a transparent light guide plate in which a light guide plate image that is an original video of an aerial image is formed on a bottom portion, a light source configured to emit light L from a side portion of the light guide plate toward the inside of the light guide plate, a polarization beam splitter disposed in parallel with the light guide plate and above the light guide plate, a λ/4 plate disposed below the light guide plate, and a retroreflective member disposed in parallel with the light guide plate and below the λ/4 plate, which retroreflects the light guide plate image to display the aerial image.
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公开(公告)号：US20220307927A1
公开(公告)日：2022-09-29
申请号：US17841891
申请日：2022-06-16
Applicant: Alps Alpine Co., Ltd.
Inventor： Hisanobu Okawa , Eiji Umetsu , Manabu Usui , Ayako Otsuka , Yuki Imai
IPC: G01L1/18 , H01L41/113 , H01L41/053
Abstract: A force sensor includes a pressure-receiving member; a sensor substrate including a displaceable portion to be displaced under a load received by the pressure-receiving member, and piezoelectric resistors configured to electrically detect an amount of displacement of the displaceable portion; a base substrate having a sensor-mounting surface, and including electrical wiring portions electrically connected to the piezoelectric resistors; and a package substrate having a substrate-mounting surface and a pad surface provided with pad electrodes. The pressure-receiving member, the sensor substrate, and the base substrate are stacked in a normal direction to the substrate-mounting surface. When seen in the normal direction, an entirety of the displaceable portion is located within the pressure-receiving member. The pad surface is provided with, when seen in the normal direction, a fixing terminal at least a part of which overlaps at least a part of a first area that coincides with the pressure-receiving member.
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公开(公告)号：US11454754B2
公开(公告)日：2022-09-27
申请号：US17245248
申请日：2021-04-30
Applicant: ALPS ALPINE CO., LTD.
Inventor： Kazuyoshi Yamagata
Abstract: A device includes a housing; a substrate provided inside the housing; a light emitting object mounted on one side of the substrate; and an elastic sheet covering the one side of the substrate and the light emitting object, to guide light from the light emitting object. A through hole is formed in the housing corresponding to the one side of the substrate. The elastic sheet has a mirror part at a portion on the surface corresponding to the through hole, for totally reflecting light transmitting through an inside of the elastic sheet.
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公开(公告)号：US20220302813A1
公开(公告)日：2022-09-22
申请号：US17805737
申请日：2022-06-07
Applicant: ALPS ALPINE CO., LTD.
Inventor： Masanobu MAEDA , Katsutoshi SUZUKI
Abstract: A vibration generating device includes a housing, a vibrator including a magnet, and a resilient member between the housing and the vibrator. The vibration generating device includes a coil configured to generate a magnetic field that causes the vibrator to vibrate. The vibration generating device includes a bracket including a coil-mounting portion on which the coil is mounted. The housing includes bracket supports provided at ends of two opposing side surfaces among the four side surfaces of the housing, the ends being situated opposite ends, of the two opposing side surfaces, to which the bottom of the housing is connected. The bracket includes connection portions bonded to the respective bracket supports. The bracket supports of the housing and the connection portions of the bracket are connected together in a state in which the bracket is inserted into a space of the housing.
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