Patents by Inventor Seon Ho Hwang
Seon Ho Hwang 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).
-
Publication number: 20240125989Abstract: The present invention provides an optical filter for its use. In the present invention, it is possible to provide an optical filter that effectively blocks ultraviolet ray and infrared ray and exhibits high transmittance in visible light. Furthermore, it is possible to provide an optical filter where the transmission characteristics are stably maintained even when an incident angle is changed. Moreover, it is possible to provide an optical filter that does not exhibit problems such as ripple, petal flare, and curl.Type: ApplicationFiled: September 29, 2023Publication date: April 18, 2024Inventors: Joon Ho JUNG, Seon Ho YANG, Sung Min HWANG, Choon Woo JI, Yang Ho KWON
-
Publication number: 20240125988Abstract: The present invention provides an optical filter for its use. In the present invention, it is possible to provide an optical filter that effectively blocks ultraviolet ray and infrared ray and exhibits high transmittance in visible light. Furthermore, it is possible to provide an optical filter where the transmission characteristics are stably maintained even when an incident angle is changed. Moreover, it is possible to provide an optical filter that does not exhibit problems such as ripple or petal flare.Type: ApplicationFiled: September 28, 2023Publication date: April 18, 2024Inventors: Joon Ho JUNG, Seon Ho YANG, Sung Min HWANG, Choon Woo JI, Tae Jin SONG
-
Publication number: 20240125990Abstract: The provided is an optical filter for its use. In the present invention, it is possible to provide an optical filter that effectively blocks ultraviolet ray and infrared ray and exhibits high transmittance in visible light. Furthermore, it is possible to provide an optical filter where the transmission characteristics are stably maintained even when an incident angle is changed. Moreover, it is possible to provide an optical filter that does not exhibit problems such as ripple and petal flare, and thus to provide the optical filter with excellent durability.Type: ApplicationFiled: October 2, 2023Publication date: April 18, 2024Inventors: Joon Ho JUNG, Seon Ho YANG, Sung Min HWANG, Choon Woo JI, Sung Yong MOON
-
Patent number: 11676614Abstract: Disclosed are a method and an apparatus for high frequency decoding for bandwidth extension. The method for high frequency decoding for bandwidth extension comprises the steps of: decoding an excitation class; transforming a decoded low frequency spectrum on the basis of the excitation class; and generating a high frequency excitation spectrum on the basis of the transformed low frequency spectrum. The method and apparatus for high frequency decoding for bandwidth extension according to an embodiment can transform a restored low frequency spectrum and generate a high frequency excitation spectrum, thereby improving the restored sound quality without an excessive increase in complexity.Type: GrantFiled: September 23, 2020Date of Patent: June 13, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ki-hyun Choo, Eun-mi Oh, Seon-ho Hwang
-
Publication number: 20210020187Abstract: Disclosed are a method and an apparatus for high frequency decoding for bandwidth extension. The method for high frequency decoding for bandwidth extension comprises the steps of: decoding an excitation class; transforming a decoded low frequency spectrum on the basis of the excitation class; and generating a high frequency excitation spectrum on the basis of the transformed low frequency spectrum. The method and apparatus for high frequency decoding for bandwidth extension according to an embodiment can transform a restored low frequency spectrum and generate a high frequency excitation spectrum, thereby improving the restored sound quality without an excessive increase in complexity.Type: ApplicationFiled: September 23, 2020Publication date: January 21, 2021Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ki-hyun CHOO, Eun-mi OH, Seon-ho HWANG
-
Patent number: 10803878Abstract: Disclosed are a method and an apparatus for high frequency decoding for bandwidth extension. The method for high frequency decoding for bandwidth extension comprises the steps of: decoding an excitation class; transforming a decoded low frequency spectrum on the basis of the excitation class; and generating a high frequency excitation spectrum on the basis of the transformed low frequency spectrum. The method and apparatus for high frequency decoding for bandwidth extension according to an embodiment can transform a restored low frequency spectrum and generate a high frequency excitation spectrum, thereby improving the restored sound quality without an excessive increase in complexity.Type: GrantFiled: August 12, 2019Date of Patent: October 13, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ki-hyun Choo, Eun-mi Oh, Seon-ho Hwang
-
Patent number: 10530571Abstract: A secure communication apparatus may include a security module for generating an encrypted bitstream by encrypting at least a portion of data forming a bitstream and inserting at least a portion of key information used in the encryption into the bitstream and for decrypting encrypted data by acquiring at least a portion of key information for the decryption from a received encrypted bitstream, and a communication module for transmitting and receiving the encrypted bitstream.Type: GrantFiled: December 15, 2014Date of Patent: January 7, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Han-gil Moon, Hyun-wook Kim, Seon-ho Hwang
-
Publication number: 20190385627Abstract: Disclosed are a method and an apparatus for high frequency decoding for bandwidth extension. The method for high frequency decoding for bandwidth extension comprises the steps of: decoding an excitation class; transforming a decoded low frequency spectrum on the basis of the excitation class; and generating a high frequency excitation spectrum on the basis of the transformed low frequency spectrum. The method and apparatus for high frequency decoding for bandwidth extension according to an embodiment can transform a restored low frequency spectrum and generate a high frequency excitation spectrum, thereby improving the restored sound quality without an excessive increase in complexity.Type: ApplicationFiled: August 12, 2019Publication date: December 19, 2019Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Ki-hyun CHOO, Eun-mi OH, Seon-ho HWANG
-
Patent number: 10410645Abstract: Disclosed are a method and an apparatus for high frequency decoding for bandwidth extension. The method for high frequency decoding for bandwidth extension comprises the steps of: decoding an excitation class; transforming a decoded low frequency spectrum on the basis of the excitation class; and generating a high frequency excitation spectrum on the basis of the transformed low frequency spectrum. The method and apparatus for high frequency decoding for bandwidth extension according to an embodiment can transform a restored low frequency spectrum and generate a high frequency excitation spectrum, thereby improving the restored sound quality without an excessive increase in complexity.Type: GrantFiled: March 3, 2015Date of Patent: September 10, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ki-hyun Choo, Eun-mi Oh, Seon-ho Hwang
-
Publication number: 20190012073Abstract: A speaker device is provided. The present speaker device comprises: a speaker; a touch display disposed at a central part of a vibration plate included in the speaker, displaying a UI for receiving an input of a user operation, and receiving an input of a user's touch; and a processor for controlling the speaker device according to the user operation input through the UI.Type: ApplicationFiled: July 5, 2016Publication date: January 10, 2019Inventor: Seon-ho HWANG
-
Patent number: 10170127Abstract: A method and apparatus for transmitting multimedia data are provided. A first device, which provides an audio signal to a second device, includes: a control unit that divides an audio signal input to the first device into a plurality of audio frames, compares a current audio frame among the plurality of audio frames with the at least one previous audio frame prestored in the memory of the first device, and selects one of the prestored previous audio frames based on similarity of the prestored previous audio frame and the current audio frame; and a communication unit that transmits an identification value of the selected previous audio frame to the second device.Type: GrantFiled: July 7, 2015Date of Patent: January 1, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyung-hun Jung, Eun-mi Oh, Jong-hoon Jeong, Seon-ho Hwang
-
Patent number: 10038947Abstract: An apparatus including a first speaker configured to output higher-frequency sound from among sound of a channel via at least one slit, and a second speaker configured to output lower-frequency sound from among the sound of the channel via at least one other slit. The at least one slit may have a thickness that is less than a wavelength of sound emitted.Type: GrantFiled: October 24, 2014Date of Patent: July 31, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong-bae Kim, Dae-joung Kim, Dong-kyu Park, Sung-ha Son, Gyeong-tae Lee, Joo-yeon Lee, Jong-in Jo, Sung-joo Kim, Dong-hyun Jung, Seon-ho Hwang, Dae-kyung Ahn, Sang-sung Woo, Sang-min Hyun
-
Publication number: 20180122396Abstract: A method of processing an audio signal includes obtaining filter functions for audio signals, the filter functions determined according to predetermined locations of a plurality of speakers; obtaining location information of the plurality of speakers via which the audio signals are to be output; correcting the filter functions based on the location information; and processing the audio signals by using the corrected filter functions.Type: ApplicationFiled: February 23, 2016Publication date: May 3, 2018Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yoon-jae LEE, Chang-yeong KIM, Eun-mi OH, Sun-min KIM, Hae-kwang PARK, Ji-ho CHANG, Jae-youn CHO, Seon-ho HWANG
-
Publication number: 20170206906Abstract: A method and apparatus for transmitting multimedia data are provided. A first device, which provides an audio signal to a second device, includes: a control unit that divides an audio signal input to the first device into a plurality of audio frames, compares a current audio frame among the plurality of audio frames with the at least one previous audio frame prestored in the memory of the first device, and selects one of the prestored previous audio frames based on similarity of the prestored previous audio frame and the current audio frame; and a communication unit that transmits an identification value of the selected previous audio frame to the second device.Type: ApplicationFiled: July 7, 2015Publication date: July 20, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyung-hun JUNG, Eun-mi OH, Jong-hoon JEONG, Seon-ho HWANG
-
Publication number: 20170092282Abstract: Disclosed are a method and an apparatus for high frequency decoding for bandwidth extension. The method for high frequency decoding for bandwidth extension comprises the steps of: decoding an excitation class; transforming a decoded low frequency spectrum on the basis of the excitation class; and generating a high frequency excitation spectrum on the basis of the transformed low frequency spectrum. The method and apparatus for high frequency decoding for bandwidth extension according to an embodiment can transform a restored low frequency spectrum and generate a high frequency excitation spectrum, thereby improving the restored sound quality without an excessive increase in complexity.Type: ApplicationFiled: March 3, 2015Publication date: March 30, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ki-hyun CHOO, Eun-mi OH, Seon-ho HWANG
-
Publication number: 20170091316Abstract: An electronic device and a controlling method thereof are provided. The controlling method of the electronic device includes acquiring an image, extracting a search formula from the acquired image, generating a search result based on the extracted search formula, and outputting the generated search result.Type: ApplicationFiled: June 27, 2016Publication date: March 30, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Seon-ho HWANG
-
Publication number: 20160357399Abstract: A device comprises a viewpoint sensor for sensing a user's viewpoint; a rendering viewpoint determination unit for determining a rendering viewpoint according to the sensed user's viewpoint; a rendering performing unit for rendering a three-dimensional (3D) graphical user interface (GUI) screen according to the determined rendering viewpoint; a display unit for displaying the rendered 3D GUI screen; and a controller, wherein when the user's viewpoint changes, at least one new object is additionally displayed on the 3D GUI screen.Type: ApplicationFiled: August 17, 2016Publication date: December 8, 2016Inventors: Seung-ho SHIN, Seon-ho HWANG, Young-min KWAK, Chan-min PARK, Sang-kyung LEE, Hae-in CHUN, Jong-youb RYU
-
Publication number: 20160315762Abstract: A secure communication apparatus may include a security module for generating an encrypted bitstream by encrypting at least a portion of data forming a bitstream and inserting at least a portion of key information used in the encryption into the bitstream and for decrypting encrypted data by acquiring at least a portion of key information for the decryption from a received encrypted bitstream, and a communication module for transmitting and receiving the encrypted bitstream.Type: ApplicationFiled: December 15, 2014Publication date: October 27, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Han-gil MOON, Hyun-wook KIM, Seon-ho HWANG
-
Publication number: 20150117686Abstract: An apparatus including a first speaker configured to output higher-frequency sound from among sound of a channel via at least one slit, and a second speaker configured to output lower-frequency sound from among the sound of the channel via at least one other slit. The at least one slit may have a thickness that is less than a wavelength of sound emitted.Type: ApplicationFiled: October 24, 2014Publication date: April 30, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong-bae KIM, Dae-joung KIM, Dong-kyu PARK, Sung-ha SON, Gyeong-tae LEE, Joo-yeon LEE, Jong-in JO, Sung-joo KIM, Dong-hyun JUNG, Seon-ho HWANG, Dae-kyung AHN, Sang-sung WOO, Sang-min HYUN
-
Publication number: 20100215124Abstract: An apparatus and an operating method of a digital Radio Frequency receiver in a wireless communication system are provided. The digital RF receiver includes a digital signal processor for outputting information of a receive frequency band, and an Analog-Digital Converter for filtering a signal of the receive frequency band from an RF analog signal input and converting the filtered signal to a digital signal.Type: ApplicationFiled: February 24, 2010Publication date: August 26, 2010Applicant: Samsung Electronics Co., Ltd.Inventors: Jong-Wook Zeong, Seon-Ho Hwang, Won-Suk Choi, Han-Gue Park