Patents by Inventor Eui-Han Yoon
Eui-Han Yoon 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: 11228841Abstract: Disclosed herein is a speaker. The speaker includes a magnetic circuit device provided to generate a magnetic force, a voice coil configured to vibrate by the magnetic circuit device, and a damper configured to guide a movement of the voice coil, wherein the damper comprises a first portion, and a second portion having a different weave than the first portion.Type: GrantFiled: August 30, 2018Date of Patent: January 18, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Eui Han Yoon
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Publication number: 20200329314Abstract: Disclosed herein is a speaker. The speaker includes a magnetic circuit device provided to generate a magnetic force, a voice coil configured to vibrate by the magnetic circuit device, and a damper configured to guide a movement of the voice coil, wherein the damper comprises a first portion, and a second portion having a different weave than the first portion.Type: ApplicationFiled: August 30, 2018Publication date: October 15, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Eui Han YOON
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Patent number: 10652651Abstract: A speaker is provided. The speaker includes a sound output unit comprising sound output circuitry having a sound emission hole disposed at one side, a sound reflector disposed at a lower side of the sound output unit and being spaced apart from the sound output unit, the sound reflector having a convex form upper side, and a support having one end fixed to the sound reflector and another end rotatably supporting the sound output unit, wherein the sound output unit is positioned in one of a first posture in which the sound emission hole faces the upper side of the sound reflector and a second posture in which the sound emission hole does not face the upper side of the sound reflector.Type: GrantFiled: August 29, 2018Date of Patent: May 12, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Eui-han Yoon, Seung-won Kang
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Publication number: 20190132671Abstract: A speaker is provided. The speaker includes a sound output unit comprising sound output circuitry having a sound emission hole disposed at one side, a sound reflector disposed at a lower side of the sound output unit and being spaced apart from the sound output unit, the sound reflector having a convex form upper side, and a support having one end fixed to the sound reflector and another end rotatably supporting the sound output unit, wherein the sound output unit is positioned in one of a first posture in which the sound emission hole faces the upper side of the sound reflector and a second posture in which the sound emission hole does not face the upper side of the sound reflector.Type: ApplicationFiled: August 29, 2018Publication date: May 2, 2019Inventors: Eui-han YOON, Seung-won KANG
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Patent number: 10129653Abstract: A speaker apparatus capable of operating in a large amplitude regime by minimizing magnetic loss, is provided. The speaker device includes a magnet configured to generate a magnetic flux, a pole piece configured to form a path of the magnetic flux generated by the magnet, a back plate provided at a lower end of the pole piece to support the magnet, and a plate provided to form a magnetic gap between the plate and the pole piece. Several plates may be provided so that the magnetic gap is expanded to enlarge amplitude of output sound.Type: GrantFiled: March 11, 2016Date of Patent: November 13, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung Won Kang, Eui Han Yoon
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Patent number: 9538291Abstract: Provided is a speaker including: a frame; a magnetic circuit unit coupled to the frame and configured to generate a magnetic force; a voice coil provided in the frame and configured to vibrate according to the magnetic force; a diaphragm configured to vibrate and produce sound in response to the vibration of the voice coil; and an edge unit that connects the diaphragm and the frame, wherein the edge unit includes a first edge provided between the diaphragm and the frame and configured to control vibration of the diaphragm; and a second edge provided under the first edge in an axial direction of the speaker.Type: GrantFiled: July 14, 2015Date of Patent: January 3, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Eui Han Yoon
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Publication number: 20160269829Abstract: A speaker apparatus capable of operating in a large amplitude regime by minimizing magnetic loss, is provided. The speaker device includes a magnet configured to generate a magnetic flux, a pole piece configured to form a path of the magnetic flux generated by the magnet, a back plate provided at a lower end of the pole piece to support the magnet, and a plate provided to form a magnetic gap between the plate and the pole piece. Several plates may be provided so that the magnetic gap is expanded to enlarge amplitude of output sound.Type: ApplicationFiled: March 11, 2016Publication date: September 15, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung Won KANG, Eui Han YOON
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Publication number: 20160088396Abstract: Provided is a speaker including: a frame; a magnetic circuit unit coupled to the frame and configured to generate a magnetic force; a voice coil provided in the frame and configured to vibrate according to the magnetic force; a diaphragm configured to vibrate and produce sound in response to the vibration of the voice coil; and an edge unit that connects the diaphragm and the frame, wherein the edge unit includes a first edge provided between the diaphragm and the frame and configured to control vibration of the diaphragm; and a second edge provided under the first edge in an axial direction of the speaker.Type: ApplicationFiled: July 14, 2015Publication date: March 24, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Eui Han YOON
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Publication number: 20100244339Abstract: A filter has a multi-layered structure for removing impurity particles from a molten metal. The filter includes: a plurality of filter layers sequentially disposed along the flow direction of the molten metal in a downward direction and comprising a plurality of pore channels, wherein the filter layers disposed upstream comprise larger pore channels than those of the filter layers disposed downstream.Type: ApplicationFiled: July 21, 2008Publication date: September 30, 2010Applicant: DAECHANG CO., LTD.Inventors: Eui-Han Yoon, Beom-Su Kwak, Ten Edis Borisovich