Patents by Inventor Kwang-hyung Lee
Kwang-hyung Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240140224Abstract: A charging cable for an electric vehicle includes a cable main body having a flat cross-section in a width direction thereof and partitioned into a plurality of internal regions. The charging cable includes terminal portions through which positive and negative power cables, a communication/sensor cable, a coolant flow channel, and a ground pass into the plurality of internal regions, respectively. The terminal portions are arranged in a row in the width direction of the cable main body.Type: ApplicationFiled: March 3, 2023Publication date: May 2, 2024Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Woo Hyung Lee, Sang Jin Lee, Young Tae Choi, Kwang Min Oh, Ho Choi
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Publication number: 20240131943Abstract: An apparatus for holding a cable for an electric vehicle charger includes a cable holding unit configured to restrict a charging cable extended and connected to a charging coupler, and to ascend or descend to predetermined positions, a housing unit mounted in a manner that is rotatable along a leftward-rightward direction, the cable holding unit being accommodated inside the housing unit, a driving unit configured to provide drive power for enabling the cable holding unit to ascend and descend and drive power for rotating the housing unit, and a control unit configured to control the driving unit in such a manner that the cabling holding unit and the housing unit are selectively driven when the charging coupler is removed from an electric vehicle charger or rests thereon.Type: ApplicationFiled: February 6, 2023Publication date: April 25, 2024Inventors: Woo Hyung Lee, Su Hwan Cho, Young Tae Choi, Kwang Min Oh, Ho Choi
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Publication number: 20240106085Abstract: A secondary battery includes: an electrode assembly including a first electrode plate from which a first current collecting tab protrudes, a second electrode plate from which a second current collecting tab protrudes, and a separator between the first electrode plate and the second electrode plate; a case accommodating the electrode assembly; and a current collector plate electrically connected to the first current collecting tab and including protrusions, and the first current collecting tab is vertically coupled to the current collector plate and includes coupling grooves to which the protrusions are coupled.Type: ApplicationFiled: August 30, 2023Publication date: March 28, 2024Inventors: Kwang Soo BAE, Jun Sun YONG, Jun Hyung LEE
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Patent number: 11916535Abstract: Devices and methods related to film bulk acoustic resonators. In some embodiments, a film bulk acoustic resonator can be manufactured by a method that includes forming a first electrode having a first lateral shape and providing a piezoelectric layer on the first electrode. The method can further include forming a second electrode having a second lateral shape on the piezoelectric layer such that the piezoelectric layer is between the first and second electrodes. The forming of the first electrode and the forming of the second electrode can include selecting and arranging the first and second lateral shapes to provide a resonator shape defined by an outline of an overlap of the first and second electrodes, such that the resonator shape includes N curved sections joined by N vertices of an N-sided polygon, and such that the resonator shape has no axis of symmetry.Type: GrantFiled: October 11, 2021Date of Patent: February 27, 2024Assignee: SKYWORKS GLOBAL PTE. LTD.Inventors: Jae Myoung Jhung, Jae Hyung Lee, Kwang Jae Shin, Myung Hyun Park
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Patent number: 11845488Abstract: The present disclosure provides a steering control apparatus, a method therefor and a steering system, wherein, when a vehicle slips, the steering control apparatus increases traction by steering a road wheel to the left and right along a current steering direction. Particularly, the steering control apparatus comprises: a slip occurrence determination unit for determining whether or not the vehicle has slipped; a steering angle determination unit for, when it is determined that the vehicle has slipped, determining a current steering angle of a steering wheel as a reference steering angle; and a control unit for controlling a driving shaft so that the road wheel may be steered to the left and right within a first angle range on the basis of the reference steering angle.Type: GrantFiled: September 3, 2020Date of Patent: December 19, 2023Assignee: HL MANDO CORPORATIONInventor: Kwang Hyung Lee
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Publication number: 20230311977Abstract: The embodiment relates to a steering control device. Specifically, a steering control device comprises a micro controller unit (MCU) receiving data from a sensor, processing the data to produce a first processing result, and outputting a first control signal for steering a vehicle to an actuator based on the first processing result and a hardware logic gate receiving data from the sensor, processing the data to produce a second processing result, and outputting a second control signal for determining whether to operate the actuator to the actuator based on the second processing result.Type: ApplicationFiled: March 29, 2023Publication date: October 5, 2023Applicant: HL MANDO CORPORATIONInventor: Kwang Hyung LEE
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Publication number: 20220315104Abstract: The present disclosure provides a steering control apparatus, a method therefor and a steering system, wherein, when a vehicle slips, the steering control apparatus increases traction by steering a road wheel to the left and right along a current steering direction. Particularly, the steering control apparatus comprises: a slip occurrence determination unit for determining whether or not the vehicle has slipped; a steering angle determination unit for, when it is determined that the vehicle has slipped, determining a current steering angle of a steering wheel as a reference steering angle; and a control unit for controlling a driving shaft so that the road wheel may be steered to the left and right within a first angle range on the basis of the reference steering angle.Type: ApplicationFiled: September 3, 2020Publication date: October 6, 2022Inventor: Kwang Hyung LEE
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Patent number: 9553497Abstract: The present invention provides a horizontal linear vibrator which can reduce the thickness but increase vibration strength while at the same time guaranteeing a sufficiently long lifetime and satisfactory responsivity. The horizontal linear vibrator includes a casing, a bracket, a vibration unit and springs. The casing defines an internal space therein. The bracket is disposed under the casing. A cylindrical coil is provided on the bracket. The vibration unit has a magnet, a yoke and a weight. The yoke contains the magnet therein and is open on the lower end thereof. The weight is coupled to the outer surface of the yoke. The springs are coupled to sidewall plates of the casing or the bracket. The springs elastically support the vibration unit to allow the vibration unit to vibrate in the horizontal direction.Type: GrantFiled: April 30, 2013Date of Patent: January 24, 2017Assignee: MPLUS CO., LTD.Inventors: Yong Jin Kim, Jun Kun Choi, Jae Woo Jun, Ki Suk Woo, Kwang Hyung Lee, Je Hyun Bang, Seok Jun Park, Kyung Ho Lee, Hwa Young Oh
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Patent number: 9059623Abstract: A linear vibrator, including: a fixing part providing an inner space having a predetermined size; at least one magnet disposed in the inner space of the fixing part to generate a magnetic force; a vibration part including a coil disposed to face the magnet to generate electromagnetic force by interacting with the magnet, and a mass body being vibrated; an elastic member coupled to the fixing part and the vibration part to provide an elastic force; and a substrate coupled to the vibration part and disposed to surround at least a portion of an outer circumferential surface of the magnet so as to prevent the substrate from contacting the magnet when the vibration part is vibrated.Type: GrantFiled: February 19, 2013Date of Patent: June 16, 2015Assignee: SASMUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jun Kun Choi, Kwang Hyung Lee, Hwa Young Oh
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Patent number: 8810094Abstract: Disclosed herein is a linear vibration motor. The motor includes a stator and a vibrator. The stator includes a magnet. The vibrator includes a coil facing the magnet. A weight is coupled to the coil. A PCB is connected to the coil and the stator. An elastic member is coupled to stator and the coil. A damper is provided on the weight at a position facing the elastic member. The damper may be provided between the elastic member and the weight or between the elastic member and the inner surface of a casing. The damper can mitigate metallic high frequency noise attributable to friction between the elastic member and the weight or between the elastic member and the casing. Furthermore, the spatial utilization is increased, thereby enhancing the degree of freedom in designing the linear vibration motor.Type: GrantFiled: April 20, 2011Date of Patent: August 19, 2014Assignee: Samsung Electro-Mechanics Co., LtdInventors: An Soo Yoon, Hwa Young Oh, Joon Choi, Kwang Hyung Lee, Jun Kun Choi
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Patent number: 8786144Abstract: Disclosed herein is a linear vibration motor including: a fixing part including a magnet; and a vibrator part including a coil corresponding to the magnet and a printed circuit board coupled with the coil, wherein one end of the printed circuit board is coupled with the fixing part and the other end thereof is coupled with the coil.Type: GrantFiled: May 2, 2011Date of Patent: July 22, 2014Assignee: Samsung Electro-Mechanics Co., LtdInventors: Kwang Hyung Lee, An Soo Yoon, Hwa Young Oh
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Patent number: 8736121Abstract: Disclosed is a linear vibrator including a fixing part providing an inner space of a predetermined size, at least one magnet disposed in the inner space of the fixing part to generate a magnetic force, a vibration part including a coil disposed to face the magnet to generate electromagnetic force by interacting with the magnet and a vibrating mass body, an elastic member coupled to the fixing part and the vibration part to provide an elastic force, and a substrate coupled to the vibration part and including a through hole through which the magnet passes to prevent the substrate from contacting the magnet when the vibration part is vibrated.Type: GrantFiled: March 9, 2011Date of Patent: May 27, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jun Kun Choi, Kwang Hyung Lee, Hwa Young Oh
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Patent number: 8575794Abstract: A linear vibration motor includes: a top cover; a bracket coupled with the top cover to provide an internal space; a vibration unit having a mass body mounted at the internal space and linearly moving in a horizontal direction; an actuator having a magnet fixed to the mass body and a coil installed within a range of a magnetic field of the magnet and generating electromagnetic force to allow the vibration unit to move linearly in a horizontal direction; and a buffer member disposed in a space between the mass body and the bracket and limiting displacement of the vibration unit.Type: GrantFiled: July 7, 2010Date of Patent: November 5, 2013Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jee Sung Lee, Kwang Hyung Lee
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Patent number: 8536745Abstract: Disclosed herein is a linear vibrator having a mass body which is accommodated in a casing defining an internal space and is vibrated. The linear vibrator includes a bracket supporting the linear vibrator from a lower position. The bracket has a depression in a bottom thereof such that a coil lead wire of a coil is placed in the depression, thus preventing friction between the coil lead wire and a movable unit.Type: GrantFiled: June 11, 2010Date of Patent: September 17, 2013Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Kwang Hyung Lee, Jun Kun Choi, Hwa Young Oh, Jee Sung Lee, Je Hyun Bang, Yong Jin Kim, Kyung Ho Lee, Seok Jun Park
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Patent number: 8446055Abstract: A linear type vibration motor having a magnet casing is disclosed. The linear type vibration motor in accordance with an embodiment of the present invention includes a magnet assembly having a pair of magnets, in which same magnetic poles thereof face each other, a magnet casing, which has a hollow part formed therein and houses the magnet assembly in the hollow part, a base, which has a bobbin formed thereon and in which the magnet casing is inserted into the bobbin, a coil, which is coupled to the bobbin, a weight, which is coupled to both ends of the magnet casing, and a pair of elastic bodies, which are interposed between either end of the base and either end of the weight, respectively. Thus, the operating lifetime of the linear type vibration motor can be extended, and this arrangement can prevent the linear type vibration motor from being damaged by an external shock.Type: GrantFiled: June 15, 2010Date of Patent: May 21, 2013Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jae-Woo Jun, Jun-Kun Choi, Hwa-Young Oh, Jee-Sung Lee, Yong-Jin Kim, Kyung-Ho Lee, Seok-Jun Park, Kwang-Hyung Lee, Je-Hyun Bang
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Patent number: 8288898Abstract: A linear vibrator is disclosed. In accordance with an embodiment of the present invention, the linear vibrator includes a base, a coil unit, which is coupled to the base, a magnet, which is coupled to the coil unit such that the magnet can move relatively with respect to the coil unit, and a leaf spring, which is interposed between the magnet and the base and includes a plurality of plate-shaped members having center portions thereof being separated from one another and both respective ends thereof being coupled to one another. Thus, the linear vibrator can increase the range of displacement in the leaf spring and increase the magnitude of vibration in the linear vibrator.Type: GrantFiled: May 25, 2010Date of Patent: October 16, 2012Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jae-Woo Jun, Jun-Kun Choi, Hwa-Young Oh, Yong-Jin Kim, Kyung-Ho Lee, Seok-Jun Park, Kwang-Hyung Lee, Je-Hyun Bang
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Patent number: 8278786Abstract: A linear vibrator is disclosed. The linear vibrator in accordance with an embodiment of the present invention includes a base, a coil unit, which is coupled to the base, a magnet assembly, which forms a closed circuit of a magnetic force perpendicular to an electric current flowing through the coil unit and in which the magnet assembly relatively moves with respect to the coil unit, and an elastic member, which elastically supports the magnet assembly. Thus, a linear vibrator with an increased driving force can be provided by preventing the leakage of magnetic flux.Type: GrantFiled: April 1, 2010Date of Patent: October 2, 2012Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ki-Suk Woo, Kyung-Ho Lee, Jun-Kun Choi, Yong-Jin Kim, Hwa-Young Oh, Je-Hyun Bang, Young-Bok Yoon, Suck-Jun Park, Kwang-Hyung Lee
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Patent number: 8258657Abstract: A vibration motor is disclosed. In accordance with an embodiment of the present invention, the vibration motor includes a base, a vibrator, which reciprocates in the base, a protruding part, which is formed on at least one of the base and the vibrator, and an elastic body, which is interposed between the base and the vibrator and has a through-part formed therein and in which the protruding part is inserted into the through-part and the elastic body is coupled to the base or the vibrator by caulking or bending the protruding part which is protruded through the through-part. Thus, the vibration motor can have a uniform resonant frequency characteristic since a spring is coupled by way of caulking or bending.Type: GrantFiled: April 14, 2010Date of Patent: September 4, 2012Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Yong-Jin Kim, Hwa-Young Oh, Jee-Sung Lee, Seok-Jun Park, Je-Hyun Bang, Kwang-Hyung Lee, Kyoung-Ho Lee, Jun-Kun Choi, Ki-Suk Woo
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Publication number: 20120169149Abstract: Disclosed herein is a linear vibration motor. The motor includes a stator and a vibrator. The stator includes a magnet. The vibrator includes a coil facing the magnet. A weight is coupled to the coil. A PCB is connected to the coil and the stator. An elastic member is coupled to stator and the coil. A damper is provided on the weight at a position facing the elastic member. The damper may be provided between the elastic member and the weight or between the elastic member and the inner surface of a casing. The damper can mitigate metallic high frequency noise attributable to friction between the elastic member and the weight or between the elastic member and the casing. Furthermore, the spatial utilization is increased, thereby enhancing the degree of freedom in designing the linear vibration motor.Type: ApplicationFiled: April 20, 2011Publication date: July 5, 2012Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: An Soo Yoon, Hwa Young Oh, Joon Choi, Kwang Hyung Lee, Jun Kun Choi
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Publication number: 20120169150Abstract: Disclosed herein is a linear vibration motor including: a fixing part including a magnet; and a vibrator part including a coil corresponding to the magnet and a printed circuit board coupled with the coil, wherein one end of the printed circuit board is coupled with the fixing part and the other end thereof is coupled with the coil.Type: ApplicationFiled: May 2, 2011Publication date: July 5, 2012Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Kwang Hyung Lee, An Soo Yoon, Hwa Young Oh