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公开(公告)号：US20240288685A1
公开(公告)日：2024-08-29
申请号：US18655584
申请日：2024-05-06
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yuuki ISHII , Yuka TANAKA , Katsuhiro TABUCHI , Takahide NAKADOI , Noritaka KISHI , Hitoshi SAKAGUCHI
CPC classification number: G02B27/0006 , B06B1/0651 , G02B7/02
Abstract: An optical module includes a translucent body, a vibrator that is tubular and supports the translucent body, a piezoelectric element located at the vibrator to vibrate the vibrator, and an inner-layer optical component at an inner side portion of the vibrator. The inner-layer optical component includes an inner-layer lens that faces the translucent body, a recess that is recessed in a thickness direction of the inner-layer lens and includes a curvature on a surface of the inner-layer lens facing the translucent body, and a gap is located between the translucent body and the recess of the inner-layer lens.
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公开(公告)号：US20210080714A1
公开(公告)日：2021-03-18
申请号：US17108030
申请日：2020-12-01
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yuuki ISHII , Katsumi FUJIMOTO , Hitoshi SAKAGUCHI
Abstract: An optical device includes a protective cover, a housing, and a vibrating body that vibrates the protective cover by selecting, from multiple vibration modes in which the protective cover is vibrated, a cleaning mode in which vibration displacement of the protective cover becomes maximum and a higher-order heating mode in which the number of nodes is larger than that in the cleaning mode. In the heating mode, the position of the maximum vibration displacement in this vibration mode is within a region of the protective cover that corresponds to the field of view of the optical sensor.
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公开(公告)号：US20240284059A1
公开(公告)日：2024-08-22
申请号：US18652016
申请日：2024-05-01
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Nobumasa KITAMORI , Takahide NAKADOI , Yuuki ISHII , Noritaka KISHI , Hitoshi SAKAGUCHI
Abstract: A vibrating device includes a light transmitting body, a vibrating body with a tubular structure including a first end portion, a second end portion, and a side wall joining the first and second end portions, and connected to the light transmitting body at the first end portion to vibrate the light transmitting body, an extending portion extending outward from the side wall of the vibrating body, and a piezoelectric element at the second end portion of the vibrating body.
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公开(公告)号：US20210154702A1
公开(公告)日：2021-05-27
申请号：US17137504
申请日：2020-12-30
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Katsumi FUJIMOTO , Yuuki ISHII , Hitoshi SAKAGUCHI
Abstract: A vibration device includes a protective cover, a first cylindrical body, a plate spring, a second cylindrical body, a piezoelectric element, and a vibrating plate. The vibration device further includes a non-equilibrium structure that removes a mass of a portion of or adds a mass to at least one of the protective cover, the first cylindrical body, the plate spring, the second cylindrical body, and the vibrating plate.
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公开(公告)号：US20240361591A1
公开(公告)日：2024-10-31
申请号：US18763246
申请日：2024-07-03
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Noritaka KISHI , Takahide NAKADOI , Hitoshi SAKAGUCHI , Yuuki ISHII
CPC classification number: G02B27/0006 , B06B1/0655 , B08B7/02
Abstract: An imaging unit includes an outermost layer lens, a housing, a vibrator, a piezoelectric element, an inner layer lens, a fixing portion, an imaging element, an imaging control substrate, and a case. The vibrator vibrates the outermost layer lens held by the housing. The piezoelectric element is provided on at least one surface of the vibrator. The case is joined to the housing and houses at least the imaging element and the imaging control substrate. Wiring electrically connected to the piezoelectric element extends from an inside of the housing so as to pass a plane including a mounting surface of the imaging control substrate on which the imaging element is mounted.
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Patent Agency Ranking
公开(公告)号：US20240353677A1
公开(公告)日：2024-10-24
申请号：US18762179
申请日：2024-07-02
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Yuuki ISHII , Takahide NAKADOI , Noritaka KISHI , Hitoshi SAKAGUCHI
CPC classification number: G02B27/0006 , B06B1/06 , B60S1/56 , G02B7/02 , G03B17/08 , H04N23/81 , H10N30/802 , G03B2205/0061
Abstract: An optical device includes an outermost layer lens, a housing, a vibrator, an inner layer lens, a fixing portion, and a position adjustment portion. The vibrator vibrates the outermost layer lens held by the housing. The inner layer lens faces the outermost layer lens. The fixing portion fixes the inner layer lens to the housing. The position adjustment portion is provided in the fixing portion to adjust alignment of the inner layer lens with respect to the outermost layer lens. The fixing portion is connected to a portion of the housing that is a node of vibration by the vibrator.
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公开(公告)号：US20210084199A1
公开(公告)日：2021-03-18
申请号：US17108034
申请日：2020-12-01
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Noritaka KISHI , Hitoshi SAKAGUCHI , Masaaki TAKATA , Masaru AMANO , Takaaki MORI
Abstract: In a cleaning device, a signal processing circuit determines that a foreign substance has adhered to a surface of a protection cover based on at least two pieces of information among a change amount of a resonant frequency when a vibration portion is driven at a first voltage, a change amount of a current value relating to an impedance detected by an impedance detector, and a temporal change of an image captured by an imaging portion, and cleans the surface of the protection cover by controlling the vibration portion in accordance with the determination.
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公开(公告)号：US20240314411A1
公开(公告)日：2024-09-19
申请号：US18670769
申请日：2024-05-22
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Takahide NAKADOI , Hitoshi SAKAGUCHI , Noritaka KISHI , Yuuki ISHII , Rei HIGASHIDA
CPC classification number: H04N23/52 , B06B1/0651
Abstract: A vibration device includes an internal vibration body to amplify a vibration, a piezoelectric element connected to one end of the internal vibration body, and a light transmission body connected to an another end of the internal vibration body. The vibration device further includes an external vibration body including a first connection portion connected to the light transmission body and a second connection portion extending outward of the light transmission body from the first connection portion to attenuate the vibration.
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公开(公告)号：US20210154701A1
公开(公告)日：2021-05-27
申请号：US17137503
申请日：2020-12-30
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Katsumi FUJIMOTO , Yuuki ISHII , Hitoshi SAKAGUCHI
Abstract: A vibration device includes a protective cover that transmits light with a predetermined wavelength, a first cylindrical body that holds the protective cover at one end, a plate-shaped plate spring that supports the other end of the first cylindrical body, a second cylindrical body that supports, at one end, a portion of the plate spring in an outer side portion of a portion that supports the first cylindrical body, and a plurality of piezoelectric elements on side surfaces of the second cylindrical body and that vibrates in a direction perpendicular to a penetrating direction of the second cylindrical body.
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公开(公告)号：US20200338607A1
公开(公告)日：2020-10-29
申请号：US16817677
申请日：2020-03-13
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Nobumasa KITAMORI , Hitoshi SAKAGUCHI
IPC: B08B7/02
Abstract: A vibration device includes a vibrator including a cylinder including an opening, a light-transmissive cover directly or indirectly coupled to the cylinder to cover the opening of the cylinder, and a piezoelectric element to vibrate the light-transmissive cover, and including an opening end portion, an elastic member holding the opening end portion of the vibrator, and a case connected to the elastic member.
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