Patents by Inventor Min Seog Choi
Min Seog Choi 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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Patent number: 9266203Abstract: A part to be centered during an assembly process includes an effective portion which performs a function and is shaped for insertion into a hole, a reference portion extended from the effective portion and formed substantially perpendicular to a center axis of the effective portion, and an aligning portion extended from the effective portion and formed around the effective portion. When the effective portion of the part is inserted into the hole, a center of the effective portion is automatically aligned with a centerline of the hole.Type: GrantFiled: June 19, 2009Date of Patent: February 23, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eun-sung Lee, Min-seog Choi
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Patent number: 9207448Abstract: Provided is an aperture adjusting apparatus for adjusting an aperture through which light transmits. The aperture adjusting apparatus includes: a chamber configured to have space in which fluid flows, the chamber including a lower channel, an upper channel, and a plurality of reservoir regions connecting the lower channel and the upper channel and each having a non-uniform width crossing a flow direction of a fluid to form a space in which fluid flows; a photo-interceptive first fluid and a photo-transmissive second fluid having a property that the photo-transmissive second fluid does not mix with the first fluid and that are prepared in the chamber; and a first electrode unit in which one or more electrodes to which a voltage is applied are arrayed to form an electric field in the chamber, wherein an aperture through which light transmits is adjusted by a location change of an interface between the first fluid and the second fluid according to the electric field.Type: GrantFiled: January 7, 2014Date of Patent: December 8, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyu-dong Jung, Jong-hyeon Chang, Seung-wan Lee, Eun-sung Lee, Min-seog Choi
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Patent number: 9188774Abstract: A microelectrofluidic device includes: a chamber; a first fluid and a second fluid which are contained in the chamber and are not mixable with each other; and a first electrode group including a plurality of electrodes that are disposed on an inner side of the chamber, and to which a voltage is applied to change an interface between the first fluid and the second fluid, wherein the plurality of electrodes are connected to form a first electrode unit, a second electrode unit, and a third electrode unit that are independently turned on or off, and the plurality of electrodes are annular and coated with an insulating material, and adjacent electrodes are connected to different electrode units.Type: GrantFiled: September 14, 2012Date of Patent: November 17, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyu-dong Jung, Jong-hyeon Chang, Min-seog Choi
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Patent number: 9185277Abstract: A panel camera, and an optical touch screen and a display apparatus employing the panel camera. The panel camera includes a lens panel comprising a plurality of narrow-angle lenses arranged in a two-dimensional (2D) array and a light-detection panel comprising a plurality of light detectors which are arranged in a 2D array to respectively correspond to the plurality of narrow-angle lenses to receive lights passing through the plurality of narrow-angle lenses from outside and obtain a remote image.Type: GrantFiled: September 24, 2011Date of Patent: November 10, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyoung-ki Lee, Min-seog Choi
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Patent number: 9170088Abstract: An apparatus and method for optical coherence tomography are provided. The apparatus includes a light source configured to generate a plurality of beams, a light coupler configured to split the plurality of beams into measurement beams and reference beams, transmit the measurement beams to a target object via a probe, and receive response beams from the probe, a detector configured to detect interference signals based on interference between the response beams and the reference beams, and an image processor configured to generate a first image of the target object based on any one of the interference signals and generate a second image of the target object having image characteristics different from those of the first image based on an other one of the interference signals.Type: GrantFiled: November 15, 2011Date of Patent: October 27, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-guyn Lim, Min-seog Choi, Won-hee Choi, Seong-deok Lee
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Patent number: 9151945Abstract: Provided are a micro electric liquid device and an apparatus including the device. The micro electric liquid device includes a first fluid that is opaque, a second fluid that is transparent a first channel configured to have the first and second fluid flow therein without mixing, a second channel overlapped and spaced apart from the first channel, wherein the second channel is configured to have the first and second fluids flow therein, and a connection part connecting the first and second channels, wherein an aperture is adjusted by a positional change of an interface between the first and second fluids in the first and second channels, and wherein the second channel includes a first sub channel configured to have the first and second fluids flow therein and having a non-uniform height and a second sub channel configured to have the second fluid to flow therein and having a uniform height.Type: GrantFiled: September 2, 2014Date of Patent: October 6, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong-hyeon Chang, Woon-bae Kim, Seung-wan Lee, Eun-sung Lee, Min-seog Choi
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Publication number: 20150138648Abstract: An optical zoom probe is disclosed. The optical zoom probe includes: at least one liquid lens having a focus which is configured to be adjusted according to a flow of a fluid through a flow path; and a barrel provided to form the flow path and including a narrowed first end part including a first opening through which an image is captured, the at least one liquid lens being provided inside the barrel.Type: ApplicationFiled: November 21, 2014Publication date: May 21, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eun-sung LEE, Woon-bae KIM, Seung-wan LEE, Jong-hyeon CHANG, Min-seog CHOI
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Publication number: 20150131161Abstract: A variable liquid lens system is provided. The variable liquid lens system includes a lens barrel comprising a wall and first and second ends, wherein the first and second ends are substantially transparent, at least one liquid lens disposed in the lens barrel and contacting the wall, the at least one liquid lens comprising a droplet, and a plurality of spaces containing fluid positioned on opposite sides of the at least one liquid lens inside the lens barrel. A plurality of first holes are provided in the wall at a position corresponding to the plurality of spaces. The at least one liquid lens is configured so that a position of the at least one liquid lens within the lens barrel is adjustable by adjusting amounts of the fluid contained in the plurality of spaces via the plurality of first holes.Type: ApplicationFiled: October 1, 2014Publication date: May 14, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eun-sung LEE, Woon-bae KIM, Seung-wan LEE, Jong-hyeon CHANG, Min-seog CHOI
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Publication number: 20150130996Abstract: Provided are a micro electric liquid device and an apparatus including the device. The micro electric liquid device includes a first fluid that is opaque, a second fluid that is transparent a first channel configured to have the first and second fluid flow therein without mixing, a second channel overlapped and spaced apart from the first channel, wherein the second channel is configured to have the first and second fluids flow therein, and a connection part connecting the first and second channels, wherein an aperture is adjusted by a positional change of an interface between the first and second fluids in the first and second channels, and wherein the second channel includes a first sub channel configured to have the first and second fluids flow therein and having a non-uniform height and a second sub channel configured to have the second fluid to flow therein and having a uniform height.Type: ApplicationFiled: September 2, 2014Publication date: May 14, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong-hyeon CHANG, Woon-bae KIM, Seung-wan LEE, Eun-sung LEE, Min-seog CHOI
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Publication number: 20150133775Abstract: The probe includes a probe body that includes an internal empty space and is configured to be inserted into a coelom; an energy source module that is disposed in the probe body, and configured to emit an energy beam; first and second view windows that are provided at an end portion of the probe body, have different fields of view, and are configured to transmit the emitted energy beam; and a path changing unit that is disposed in the probe body, and configured to change a traveling path of the emitted energy beam to travel to one of the first view window and the second view window.Type: ApplicationFiled: November 7, 2014Publication date: May 14, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Woon-bae KIM, Woo-young JANG, Min-seog CHOI
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Patent number: 9030751Abstract: A vari-focal fluidic lens is provided. The fluidic lens includes a frame, an first membrane, a second membrane, and an optical fluid. The frame defines an inner space of the fluidic lens including a driving portion and a lens portion that are connected to each other. The elastic membrane is attached to one side of the frame to cover at least the lens portion. The second membrane is attached to an opposite side of the frame to cover at least the driving portion and is deformable in response to temperature change to vary a volume of the inner space. Optical fluid is contained in the inner space.Type: GrantFiled: February 25, 2011Date of Patent: May 12, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Seung-Tae Choi, Min-Seog Choi, Eun-Sung Lee, Kyu-Dong Jung
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Publication number: 20150126858Abstract: Fiber scanning optical probes and medical imaging apparatuses including the same are provided. The fiber scanning optical probe includes an optical fiber; an actuator attached onto the optical fiber and configured to drive the optical fiber at a driving resonance frequency; a mass provided at a side of the optical fiber and configured to control the driving resonance frequency; and a frequency separator provided on a portion of the optical fiber between the actuator and the mass, the frequency separator being configured to separate the driving resonance frequency into separate resonance frequencies.Type: ApplicationFiled: October 14, 2014Publication date: May 7, 2015Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SAMSUNG ELECTRONICS CO., LTD.Inventors: Min-seog CHOI, Ki-Hun JEONG, Hyeon-Cheol PARK, Seun-wan LEE
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Publication number: 20150126874Abstract: Provided are an optical switch, an optical probe including the optical switch, and a medical imaging apparatus including the optical probe. The optical probe includes a probe body that is configured to be insertable into a body cavity, and an optical switch that is disposed in the probe body and includes a first region formed of a material having a first refractive index, and a second region that forms an interface with the first region and is configured to have a fluid is introduced into the second region, wherein the optical switch is configured to change a path of propagation of incident light according to a second refractive index of the second region.Type: ApplicationFiled: September 2, 2014Publication date: May 7, 2015Applicant: Samsung Electronics Co., Ltd.Inventors: Seung-wan LEE, Woon-bae KIM, Eun-sung LEE, Jong-hyeon CHANG, Min-seog CHOI, Hyun CHOI
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Publication number: 20150126857Abstract: Disclosed are an optical probe and a medical imaging apparatus which includes the optical probe. The optical probe includes an optical scanner, which includes first and second fluids which have different refractive indexes and are not mixed with each other, and a probe body that is insertable into a coelom, and in which the optical scanner is provided in the probe body. Light which is emitted from the optical scanner is irradiated onto an object via a light output device. An output angle of the light emitted from the optical scanner varies based on a corresponding change in an interface between the first and second fluids.Type: ApplicationFiled: September 8, 2014Publication date: May 7, 2015Applicant: Samsung Electronics Co., Ltd.Inventors: Min-seog CHOI, Woon-bae KIM, Seung-wan LEE, Eun-sung LEE, Jong-hyeon CHANG, Hyun CHOI
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Publication number: 20150094599Abstract: A varifocal-type optical scanning probe including an optical fiber scanner and a varifocal lens is provided. The varifocal lens includes: a first membrane lens comprising a first lens surface with a variable curvature and a first pressure surface configured to induce a curvature variation of the first lens surface; a second membrane lens including a second lens surface with a variable curvature and a second pressure surface configured to induce a curvature variation of the second lens surface; a first pressure member disposed to apply a pressure to the first pressure surface; a second pressure member disposed to apply a pressure to the second pressure surface; and a motor configured to transmit a driving force to at least one of the first pressure member and the second pressure member.Type: ApplicationFiled: July 30, 2014Publication date: April 2, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Woon-bae KIM, Seung-wan LEE, Eun-sung LEE, Min-seog CHOI
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Patent number: 8861092Abstract: A curvature control device includes: a first fluid having a light transmitting property and a polarity; a second fluid that has a light transmitting property and is not mixed with the first fluid; a chamber forming an inner space for containing the first fluid F1 and the second fluid F2 and including a lens area in which an interface between the first fluid and the second fluid forms an optical interface, and a plurality of channel areas in which another interface between the first fluid and the second fluid functions as a driving interface for inducing a variation in curvature of the optical interface; and an electrode portion generating an electric field for varying a position of the driving interface.Type: GrantFiled: April 20, 2012Date of Patent: October 14, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Eun-sung Lee, Min-seog Choi, Jong-hyeon Chang
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Publication number: 20140240586Abstract: The variable liquid device includes: a chamber including a channel, in which a fluid flows, having an inconsistent height in at least a part of the channel; a first fluid filled in the chamber and formed of a non-transmissive material; and a second fluid filled in the chamber and formed of a light transmittable material that does not mix with the first fluid, wherein an aperture, through which light is transmitted, is adjusted according to a variation of an interface between the first fluid and the second fluid.Type: ApplicationFiled: February 26, 2014Publication date: August 28, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Eun-sung LEE, Seung-wan LEE, Jong-hyeon CHANG, Kyu-dong JUNG, Min-seog CHOI
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Patent number: 8797653Abstract: A curvature control device includes a first fluid that has a light transmitting property and a polar property; a second fluid that has a light transmitting property; a chamber that the first fluid and the second fluid are accommodated without being mixed with each other, wherein a boundary surface between the first fluid and the second fluid comprises a first surface that is a lens surface and a second surface that induces a change in a curvature of the first surface; a first intermediate plate that is disposed in the chamber, and includes a first through-hole that forms a diameter of a lens corresponding to the first surface and a second through-hole that forms a path of the second fluid; and an electrode portion configured to generate an electric field that changes a position of the second surface.Type: GrantFiled: August 9, 2012Date of Patent: August 5, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Jong-hyeon Chang, Seung-wan Lee, Woon-bae Kim, Min-seog Choi, Eun-sung Lee, Kyu-dong Jung
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Publication number: 20140192218Abstract: Provided is an aperture adjusting apparatus for adjusting an aperture through which light transmits. The aperture adjusting apparatus includes: a chamber configured to have space in which fluid flows, the chamber including a lower channel, an upper channel, and a plurality of reservoir regions connecting the lower channel and the upper channel and each having a non-uniform width crossing a flow direction of a fluid to form a space in which fluid flows; a photo-interceptive first fluid and a photo-transmissive second fluid having a property that the photo-transmissive second fluid does not mix with the first fluid and that are prepared in the chamber; and a first electrode unit in which one or more electrodes to which a voltage is applied are arrayed to form an electric field in the chamber, wherein an aperture through which light transmits is adjusted by a location change of an interface between the first fluid and the second fluid according to the electric field.Type: ApplicationFiled: January 7, 2014Publication date: July 10, 2014Applicant: Samsung Electronics Co., Ltd.Inventors: Kyu-dong JUNG, Jong-hyeon CHANG, Seung-wan LEE, Eun-sung LEE, Min-seog CHOI
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Publication number: 20140194750Abstract: Exemplary embodiments disclose an optical zoom probe including an aperture adjuster configured to adjust an aperture in which light transmitted by a light transmitter passes, a focus adjuster configured to focus the light passed through the aperture and adjust a focal length to an ultra-close location and a close location, and a filter which includes a center region in which incident light passes without change, and a filter region which surrounds the center region and increases a depth of focus (DOF) of light that is focused on the ultra-close location.Type: ApplicationFiled: December 13, 2013Publication date: July 10, 2014Applicant: Samsung Electronics Co., Ltd.Inventors: Seung-wan LEE, Eun-sung LEE, Jong-hyeon CHANG, Kyu-dong JUNG, Min-seog CHOI