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公开(公告)号：US20220075464A1
公开(公告)日：2022-03-10
申请号：US17167305
申请日：2021-02-04
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor： Joo Hyoung LEE , Joo Yul KO
Abstract: A case for an electronic device comprising a touch member disposed at a side portion of the electronic device, and a touch sensing device disposed inside the electronic device is provided. The case includes a case body including a side portion and coupled to cover at least a part of an external surface of the electronic device; a conductor disposed in a first area of the side portion of the case body, and configured to face the touch member when the case is coupled to the electronic device, and a dielectric member disposed on one side of the conductor, where the conductor is comprised of a conductive material.
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2.发明申请公开(公告)号：US20210382579A1
公开(公告)日：2021-12-09
申请号：US17110700
申请日：2020-12-03
Applicant: Samsung Electro-Mechanics Co., Ltd
Inventor： Joo Hyoung LEE , Joo Yul KO
Abstract: A touch sensing device includes: a first touch sensing unit including a first sensing electrode and a first sensing inductor electrically connected to each other, wherein capacitance of the first touch sensing unit varies depending on parasitic capacitance formed between the first sensing electrode and a human body according to a contact of the human body; a first force sensing unit including a first sensing coil spaced apart from an internal side surface of a frame, wherein inductance of the first force sensing unit varies depending on a change in distance between the first sensing coil and the frame according to a pressing touch; and a circuit unit configured to detect whether a touch of the human body is input, based on variations in the capacitance of the first touch sensing unit and variations in the inductance with the force sensing unit.
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公开(公告)号：US20210181873A1
公开(公告)日：2021-06-17
申请号：US16829526
申请日：2020-03-25
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor： Joo Hyoung LEE
Abstract: A switching operation sensing device to be applied to an electronic device including a touch operation unit having a first touch member integrated with a housing, the switching operation sensing device including a sensing coil component including a first inductor unit disposed on an inner surface of the first touch member, and an oscillator circuit connected to the sensing coil component and configured to generate an oscillation signal having a resonant frequency that changes when a touch operation is input through the touch operation unit, wherein the first inductor unit includes a first sensing area opposing the first touch member, a first sensing wiring disposed in the first sensing area, and a first sensing coil connected between the first sensing wiring and a first resonant circuit of the oscillator circuit.
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公开(公告)号：US20210034177A1
公开(公告)日：2021-02-04
申请号：US16829571
申请日：2020-03-25
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor： Joo Hyoung LEE , Joo Yul KO
Abstract: A touch sensing device, applicable to an electric device including a touch member integrated with a housing, includes an inductor element spaced apart from an internal side surface of the touch member, a support member attached to an internal side surface of the housing or the touch member to support the inductor element disposed thereon, a substrate on which the inductor element is mounted, the substrate being disposed on the support member, and a circuit part connected to the inductor element and configured to detect a touch input and a touch-force input in response to different frequency change characteristics depending on the touch input and the touch-force input through the touch member.
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5.发明申请公开(公告)号：US20190190412A1
公开(公告)日：2019-06-20
申请号：US16145602
申请日：2018-09-28
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor： Woo Young CHOI , Jung Eui PARK , Joo Hyoung LEE , Joo Yul KO
CPC classification number: H02P6/16 , G02B27/646 , G03B5/00 , G03B2205/0007 , G03B2205/0069 , H02P6/006 , H02P6/28 , H04N5/2252
Abstract: A actuator using a voice coil motor (VCM) method includes a coil configured to face a magnetic member disposed on a lateral surface of a lens carrier, and be spaced apart from the magnetic member, a driving circuit configured to supply a composite current including a driving current and a position detection current to the coil based on a composite voltage input to the driving circuit, and an impedance/digital conversion circuit configured to convert an alternating current (AC) voltage signal including a specific frequency component acquired at opposite ends of the coil via a demodulation scheme, extract a low-frequency signal having an inductance component of the coil, and detect a position signal based on the low-frequency signal.
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Patent Agency Ranking
公开(公告)号：US20180146124A1
公开(公告)日：2018-05-24
申请号：US15725532
申请日：2017-10-05
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Woo Young CHOI , Sang Hoon KIM , Joo Yul KO , Joo Hyoung LEE
CPC classification number: H04N5/2254 , H04N5/2252 , H04N5/23212 , H04N5/23241 , H04N5/23258
Abstract: An apparatus to control a position of a camera module includes a magnetic member, a coil, a driver, a signal extractor, and a position detector. The magnetic member is disposed on a lens barrel of the camera module. The coil is disposed opposite to the magnetic member. The driver is configured to provide a position confirmation signal to the coil. The signal extractor is configured to extract a specific frequency component from a signal of the coil including the position confirmation signal and output a detection signal. The position detector is configured to provide a position signal corresponding to a position of the magnetic member based on the detection signal.
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7.发明公开公开(公告)号：US20240318985A1
公开(公告)日：2024-09-26
申请号：US18422418
申请日：2024-01-25
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Joo Yul KO , Joo Hyoung LEE
CPC classification number: G01D5/24 , G04F10/005
Abstract: A grip sensor includes a first sensing member and a second sensing member, disposed on different positions in a case of an electronic device to sense proximity of a human body; a first sensing oscillator configured to generate a first oscillation signal when connected to the first sensing member; a second sensing oscillator configured to generate a second oscillation signal when connected to the second sensing member; a time-to-digital converter configured to set the second oscillation signal as a first reference signal, when a first switch is in an on-state, and generate a first sensing signal using the first oscillation signal and the first reference signal; and a digital processor configured to sense the proximity of the human body to the first sensing member, using the first sensing signal.
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公开(公告)号：US20210157424A1
公开(公告)日：2021-05-27
申请号：US16822951
申请日：2020-03-18
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor： Joo Hyoung LEE , Joo Yul KO
Abstract: A force operation sensing device is provided. The device includes an input operation unit comprising a first operating member integrally formed with a housing, a magnetic member disposed inside the input operation unit, and an oscillating circuit comprising a first inductor element and a second inductor element, wherein when a force operation is applied to the first operating member, the oscillating circuit is configured to generate a first variable resonant frequency based on an interaction between the first operating member and the first inductor element, and generate a second variable resonant frequency based on an interaction between the magnetic member and the second inductor element.
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公开(公告)号：US20180146130A1
公开(公告)日：2018-05-24
申请号：US15701576
申请日：2017-09-12
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Joo Hyoung LEE , Woo Young CHOI , Sang Hoon KIM , Joo Yul KO
CPC classification number: H04N5/23212 , G02B7/04 , G02B7/08 , G03B3/10 , G03B5/00 , G03B2205/0015 , G03B2205/0046 , G03B2205/0069 , H04N5/2254 , H04N5/2257 , H04N5/23287
Abstract: An apparatus is provided to control a position of a camera module. The apparatus includes a magnetic member disposed on a lens barrel of the camera module, a coil disposed opposite to the magnetic member, and a driver configured to generate to the coil a position confirmation signal including a specific frequency component. The apparatus also includes a signal extractor configured to extract a detected signal, including the specific frequency component, from a coil signal of the coil, and a peak detector detect a peak value of the detected signal and output a position signal corresponding to a position of the magnetic member based on the peak value.
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公开(公告)号：US20230221755A1
公开(公告)日：2023-07-13
申请号：US17714262
申请日：2022-04-06
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Joo Yul KO , Byung Joo HONG , Joo Hyoung LEE , Gwang Pyo PARK
Abstract: A low power sensing device includes a sensor including key sensors configured to generate sensing signals, respectively, a reference sensor configured to generate a reference sensing signal, a two-state clock generator configured to generate a first clock signal and a second clock signal having clock frequencies different from each other, and a controller. The controller is configured to receive the sensing signals and the reference sensing signal, control enable operations and disable operations of the sensor and the reference sensor based on a first operation mode and a second operation mode each repeatedly performed for a predetermined time, receive the first clock signal during the first operation mode, and receive the second clock signal during the second operation mode.
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