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公开(公告)号：US11051785B2
公开(公告)日：2021-07-06
申请号：US16356519
申请日：2019-03-18
Inventor： Yusuke Matsumoto , Suguru Nakao , Hiroshi Kunimoto
Abstract: A heartbeat detection device includes a bone conduction microphone that converts, into a signal, displacement on the body surface of a user in a thickness direction of the body of the user, and an extractor that extracts a first frequency component and a second frequency component which are included in the signal. The first frequency component is based on audio information of the user, and the second frequency component is based on heartbeat information of the user. The heartbeat detection device is capable of estimating the physical and psychological state of the user based on the heartbeat information by extracting both the audio information and the heartbeat information, from a signal that has been output by the bone conduction microphone.
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公开(公告)号：US10917709B2
公开(公告)日：2021-02-09
申请号：US16393132
申请日：2019-04-24
Inventor： Hiroshi Kunimoto , Suguru Nakao
Abstract: A bone conduction speaker includes a vibration driver that includes a magnetic circuit and a vibration plate, and that is configured to convert sound into vibration, a vibration body configured to hold a side of the vibration driver, which is adjacent to the magnetic circuit, to come into contact with a subject, and to transmit vibration of the vibration driver to the subject, and a lid body configured to cover a side of the vibration driver, which is adjacent to the vibration plate, without being in contact with the vibration driver, and to substantially seal the vibration driver together with the vibration body.
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Patent Agency Ranking
公开(公告)号：US09351075B2
公开(公告)日：2016-05-24
申请号：US14602289
申请日：2015-01-22
Inventor： Hiroshi Kunimoto
CPC classification number: H04R5/033 , H04R2400/03 , H04R2460/13
Abstract: There is provided a body-sensitive vibration headphone for suppressing resonance that occurs when a vibrator that generates body-sensitive vibration vibrates. The body-sensitive vibration headphone includes electroacoustic transducer (50) that converts an input signal into an acoustic wave, housing (20) that accommodates electroacoustic transducer (50), vibrator (31) that converts the input signal into vibration, and ear pad (40) attached to housing (20). Vibrator (31) is attached to ear pad (40), and a structure between vibrator (31) and ear pad (40) is formed such that conduction of the vibration from the vibrator (31) is impeded.
Abstract translation: 提供了用于抑制当产生身体敏感振动的振动器振动时发生的共振的身体敏感的振动耳机。 身体敏感的振动耳机包括将输入信号转换成声波的电声换能器（50），容纳电声换能器（50）的壳体（20），将输入信号转换成振动的振动器（31）和耳垫 40）连接到壳体（20）。 振动器（31）连接到耳垫（40），并且形成振动器（31）和耳垫（40）之间的结构，使得来自振动器（31）的振动的传导被阻止。
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公开(公告)号：US11265637B2
公开(公告)日：2022-03-01
申请号：US17183236
申请日：2021-02-23
Inventor： Hiroshi Kunimoto , Suguru Nakao , Kei Tasaka , Katsuo Saigou
Abstract: A bone conduction microphone includes a housing having an opening, a microphone pad, an element support member, a piezoelectric element, and a drive plate. The microphone pad is formed in a bottomed tubular shape having a bottom portion disposed outward and a tubular portion with an outer circumference fixed to an inner circumference of the opening. The element support member has an outer circumference fixed to an inner circumference of the tubular portion, and a support portion projecting toward the bottom portion. The piezoelectric element is in a plate shape with a peripheral edge of one surface fixed to the support portion and picks up vibration. The drive plate has a diaphragm part fixed to an inward surface of the bottom portion, and the diaphragm part is provided at a center with a protrusion fixed to an element central portion on another surface of the piezoelectric element.
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公开(公告)号：US11050870B2
公开(公告)日：2021-06-29
申请号：US16394205
申请日：2019-04-25
Inventor： Hiroshi Kunimoto , Suguru Nakao
IPC: H04M1/60 , H04R1/10 , H04R1/14 , H04R1/24 , H04R7/12 , H01R13/70 , H04B1/3827 , H04R9/06 , H04R31/00 , H04R9/02 , H04R25/00
Abstract: A bone conduction microphone is configured to convert vocal cord vibration into a sound signal. The bone conduction microphone includes a vibration collection unit configured to come into contact with a human body and collect vibration in a predetermined direction, which is included in the vocal cord vibration, and a switch configured to switch whether collection of the vibration in the predetermined direction is enabled. The switch is disposed on a side of the vibration collection unit, which is opposite to a side configured to come into contact with the human body, to allow a direction of an operation of switching whether collection of the vibration in the predetermined direction is enabled to be parallel to the predetermined direction.
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公开(公告)号：US10972598B2
公开(公告)日：2021-04-06
申请号：US16393256
申请日：2019-04-24
Inventor： Suguru Nakao , Hiroshi Kunimoto
IPC: H04R1/10 , H04R9/02 , H04M1/60 , H04R1/14 , H04R1/24 , H04R7/12 , H01R13/70 , H04B1/3827 , H04R9/06 , H04R31/00 , H04R25/00
Abstract: A bone conduction headset includes a support member having a U-shape, a pair of bone conduction speakers respectively provided to a first end of the support member and a second end of the support member, the second end being opposite to the first end, a microphone coupled to the first end, and a mute switch provided to either the first end or the second end, and configured to perform a control to lower volume on the pair of bone conduction speakers.
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公开(公告)号：US10715649B2
公开(公告)日：2020-07-14
申请号：US16393154
申请日：2019-04-24
Inventor： Hiroshi Kunimoto , Suguru Nakao
IPC: H04R1/10 , H04M1/60 , H04R1/14 , H04R1/24 , H04R7/12 , H01R13/70 , H04B1/3827 , H04R9/06 , H04R31/00 , H04R9/02 , H04R25/00
Abstract: A headset main body includes a PTT switch, bone conduction speakers, a first connector to be coupled with a microphone, and a second connector to be coupled with a transceiver. A sleeve of the first connector is coupled to a sleeve of the second connector. A ring of the first connector is coupled to a ground. A chip of the first connector is coupled to a ring of the second connector, and the chip of the first connector is further coupled, via the PTT switch, to the ground.
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