Patents by Inventor Hong Chang

Hong Chang 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).

  • ON-CHIP DUAL-SUPPLY MULTI-MODE CMOS REGULATORS
    Publication number: 20210351696
    Abstract: A method, an apparatus, and a computer program product are provided. The apparatus may be a regulator circuit. The regulator circuit includes a first voltage regulator to regulate a first input voltage to the first voltage regulator, the first voltage regulator including a P-type metal-oxide-semiconductor (PMOS), a second voltage regulator to regulate a second input voltage to the second voltage regulator, and a switch circuit to selectively activate at least one of the first voltage regulator or the second voltage regulator. In one aspect, the second voltage regulator includes an N-type metal-oxide-semiconductor (NMOS). In one aspect, the second voltage regulator comprises a two-stage operational transconductance amplifier (OTA) circuit. In an aspect, the first voltage regulator is coupled to the second voltage regulator.
    Type: Application
    Filed: July 20, 2021
    Publication date: November 11, 2021
    Inventors: Yung-Chung LO, Gang ZHANG, Yiping HAN, Frederic BOSSU, Tsai-Pi HUNG, Jae-Hong CHANG
  • METHOD FOR PROCESSING IMMERSIVE VIDEO AND METHOD FOR PRODUCING IMMERSIVE VIDEO
    Publication number: 20210329209
    Abstract: A method of producing an immersive video comprises decoding an atlas, parsing a flag for the atlas, and producing a viewport image using the atlas. The flag may indicate whether the viewport image is capable of being completely produced through the atlas, and, according to a value of the flag, when the viewport image is produced, it may be determined whether an additional atlas is used in addition to the atlas.
    Type: Application
    Filed: April 16, 2021
    Publication date: October 21, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Gwang Soon LEE, Jun Young JEONG, Kug Jin YUN, Hong Chang SHIN, Ho Min EUM
  • Method for processing immersive video and method for producing immersive video
    Patent number: 11140377
    Abstract: Disclosed herein is an immersive video processing method. The immersive video processing method includes: determining a priority order of pruning for source videos; extracting patches from the source videos based on the priority order of pruning; generating at least one atlas based on the extracted patches; and encoding metadata. Herein, the metadata may include first threshold information that becomes a criterion for distinguishing between a valid pixel and an invalid pixel in the atlas video.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: October 5, 2021
    Assignee: Electronics and Telecommunications Research institute
    Inventors: Gwang Soon Lee, Hong Chang Shin, Ho Min Eum, Jun Young Jeong
  • Group III-V device structure
    Patent number: 11114543
    Abstract: A group III-V device structure is provided. The group III-V device structure includes a channel layer formed over a substrate and an active layer formed over the channel layer. The group III-V device structure also includes a gate structure formed over the active layer and a source electrode and a drain electrode formed over the active layer. The source electrode and the drain electrode are formed on opposite sides of the gate structure. The group III-V device structure further includes a through via structure formed through the channel layer, the active layer and a portion of the substrate, and the through via structure is electrically connected to the source electrode or the drain electrode.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: September 7, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Ming-Hong Chang, Chih-Yuan Chan, Shen-Ping Wang, Chung-Cheng Chen, Chien-Li Kuo, Po-Tao Chu
  • SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
    Publication number: 20210257497
    Abstract: A semiconductor device includes a semiconductor substrate, at least one semiconductor fin and a gate stack. The semiconductor fin is disposed on the semiconductor substrate. The semiconductor fin includes a first portion, a second portion and a first neck portion between the first portion and the second portion. A width of the first portion decreases as the first portion becomes closer to the first neck portion, and a width of the second portion increases as the second portion becomes closer to a bottom surface of the semiconductor substrate. The gate stack partially covers the semiconductor fin.
    Type: Application
    Filed: September 14, 2020
    Publication date: August 19, 2021
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jiun-Ming Kuo, Hsin-Chih Chen, Che-Yuan Hsu, Kuo-Chin Liu, Han-Yu Tsai, You-Ting Lin, Jen-Hong Chang
  • On-chip dual-supply multi-mode CMOS regulators
    Patent number: 11095216
    Abstract: A method, an apparatus, and a computer program product are provided. The apparatus may be a regulator circuit. The regulator circuit includes a first voltage regulator to regulate a first input voltage to the first voltage regulator, the first voltage regulator including a P-type metal-oxide-semiconductor (PMOS), and a second voltage regulator to regulate a second input voltage to the second voltage regulator, the second voltage regulator including an N-type metal-oxide-semiconductor (NMOS). In an aspect, the first voltage regulator is coupled to the second voltage regulator.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: August 17, 2021
    Assignee: QUALCOMM Incorporated
    Inventors: Yung-Chung Lo, Gang Zhang, Yiping Han, Frederic Bossu, Tsai-Pi Hung, Jae-Hong Chang
  • VIDEO ENCODING/DECODING METHOD AND APPARATUS
    Publication number: 20210218995
    Abstract: A video encoding/decoding method and apparatus is provided. The image decoding method includes acquiring image data of images of a plurality of views, determining a basic view and a plurality of reference views among the plurality of views, determining a pruning order of the plurality of reference views, and parsing the image data based on the pruning order and decoding an image of the basic view and images of the plurality of reference views.
    Type: Application
    Filed: January 12, 2021
    Publication date: July 15, 2021
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Hong Chang SHIN, Ho Min EUM, Gwang Soon LEE, Jin Hwan LEE, Jun Young JEONG, Kug Jin YUN, Jong Il PARK, Jun Young YUN
  • DATA PROGRAMMING METHOD, DATA READING METHOD, AND MEMORY DEVICE
    Publication number: 20210216247
    Abstract: A data programming method includes the following operations: assigning a first identity code to initial data according to a data type of the initial data; packing the first identity code, the initial data, and a check code to a new data packet; determining whether a first storage space in a flash memory stores a first data packet being the same as the new data packet; and if the first storage space does not store the first data packet, programming the new data packet to the first storage space in a first address sequence.
    Type: Application
    Filed: December 14, 2020
    Publication date: July 15, 2021
    Inventors: HAO ZHOU, HONG CHANG, XIAO-LIN LUO
  • Method and apparatus for encoding/decoding image for virtual view synthesis
    Patent number: 11064218
    Abstract: Disclosed herein is an image encoding/decoding method and apparatus for virtual view synthesis. The image decoding for virtual view synthesis may include decoding texture information and depth information of at least one or more basic view images and at least one or more additional view images from a bit stream and synthesizing a virtual view on the basis of the texture information and the depth information, wherein the basic view image and the additional view image comprise a non-empty region and an empty region, and wherein the synthesizing of the virtual view comprises determining the non-empty region through a specific value in the depth information and a threshold and synthesizing the virtual view by using the determined non-empty region.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: July 13, 2021
    Assignees: Electronics and Telecommunications Research Institute, Poznan University of Technology
    Inventors: Gwang Soon Lee, Jun Young Jeong, Hong Chang Shin, Kug Jin Yun, Marek Domanski, Olgierd Stankiewicz, Dawid Mieloch, Adrian Dziembowski, Adam Grzelka, Jakub Stankowski
  • Signal transmission method and a circuit structure for heterogeneous platforms
    Patent number: 11055061
    Abstract: A signal transmission method and a circuit structure for heterogeneous platforms are provided. The method includes: adjusting signal transmission bandwidths between a first platform and a bridge circuit and between the bridge circuit and a second platform according to signal transmission speeds between the first platform and the bridge circuit and between the bridge circuit and the second platform; transmitting a command signal from the first platform to the bridge circuit and saving the command signal at a buffer of the bridge circuit; reading the command signal at the buffer of the bridge circuit by the second platform; transmitting data to the buffer of the bridge according to the command signal by the second platform; acquiring the data at the buffer of the bridge by the first platform.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: July 6, 2021
    Assignee: REALTEK SEMICONDUCTOR CORP.
    Inventors: Sa-Chia Ho, Hong-Chang Wu, Hsin-Chen Chen, Yi-Hsuan Wu
  • Prefabricated stairs modular assembly mold and assembling method thereof
    Patent number: 11034054
    Abstract: A prefabricated stair modular assembly mold comprises a base, a step standard module, an upside module of a lower platform, an underside rotating module of a lower platform, an upside module of an upper platform, an underside rotating module of an upper platform, an underside common module, and an underside adjustment modules. Prefabricated stair molds of different dimensions are formed by means of locating holes provided in the assembling modules, and are then fixed by means of sliding holes at two ends. Further disclosed is a mounting method for said assembly mold. Said assembly mold has high positioning accuracy, and small accumulated error, improving the mounting efficiency of the prefabricated staircase mold.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: June 15, 2021
    Assignees: China University of Mining and Technology, China Mining & Civil New Material Science and Technology Ltd., BOXIA MINING TECHNOLOGY LTD.
    Inventors: Hong Chang, Junwu Xia, Xiaofang Xiang, Xia Bai
  • Method and apparatus for generating 3D virtual viewpoint image
    Patent number: 11037362
    Abstract: A method and an apparatus for generating a three-dimension (3D) virtual viewpoint image including: segmenting a first image into a plurality of images indicating different layers based on depth information of the first image at a gaze point of a user; and inpainting an area occluded by foreground in the plurality of images based on depth information of a reference viewpoint image are provided.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: June 15, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hong-Chang Shin, Gwang Soon Lee, Jun Young Jeong
  • SEMICONDUCTOR DEVICES AND METHODS OF MANUFACTURING THE SAME
    Publication number: 20210151594
    Abstract: A semiconductor device includes a substrate, a channel layer, a barrier layer, a gate, a strained layer and a passivation layer. The channel layer is disposed on the substrate. The barrier layer is disposed on the channel layer. The gate is disposed on the barrier layer. The strained layer is disposed on the barrier layer. The passivation layer covers the gate and the strained layer. The material of the passivation layer differs from that of the strained layer.
    Type: Application
    Filed: December 20, 2019
    Publication date: May 20, 2021
    Inventors: KINGYUEN WONG, HAN-CHIN CHIU, MING-HONG CHANG, CHUNHUA ZHOU, JINHAN ZHANG
  • METHOD FOR PROCESSING IMMERSIVE VIDEO AND METHOD FOR PRODUCING IMMERSIVE VIDEO
    Publication number: 20210099687
    Abstract: Disclosed herein is an immersive video processing method. The immersive video processing method includes: determining a priority order of pruning for input videos; extracting patches from the input videos based on the priority order of pruning; generating at least one atlas based on the extracted patches; and encoding metadata. Herein, the metadata may include information on a priority order of pruning among input videos.
    Type: Application
    Filed: September 25, 2020
    Publication date: April 1, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hong Chang SHIN, Gwang Soon LEE, Ho Min EUM, Jun Young JEONG, Kug Jin YUN
  • METHOD FOR PROCESSING IMMERSIVE VIDEO AND METHOD FOR PRODUCING IMMERSIVE VIDEO
    Publication number: 20210092346
    Abstract: Disclosed herein is an immersive video processing method. The immersive video processing method includes: determining a priority order of pruning for source videos; extracting patches from the source videos based on the priority order of pruning; generating at least one atlas based on the extracted patches; and encoding metadata. Herein, the metadata may include first threshold information that becomes a criterion for distinguishing between a valid pixel and an invalid pixel in the atlas video.
    Type: Application
    Filed: September 23, 2020
    Publication date: March 25, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Gwang Soon LEE, Hong Chang SHIN, Ho Min EUM, Jun Young JEONG
  • GLASS ARTICLE, METHODS FOR MANUFACTURING THE SAME, AND LASER WELDING EQUIPEMNT
    Publication number: 20210078294
    Abstract: A glass article without cracks includes a first glass, a second glass, and a bonding layer located between and connecting the first glass and the second glass. A method for manufacturing a glass article includes fixing and holding a first glass and a second glass, and irradiating the first glass and the second glass with a laser beam to form a bonding layer between two surfaces of the first glass and the second glass, the bonding layer connecting with the first glass and the second glass. The disclosure further provides a laser welding equipment for combining the first glass and the second glass.
    Type: Application
    Filed: September 11, 2020
    Publication date: March 18, 2021
    Inventors: CHEN-YU HONG, SHIH-HONG CHANG, CHIN-HSIEN HUANG
  • METHOD FOR PROCESSING IMMERSIVE VIDEO AND METHOD FOR PRODUCING IMMERSIVE VIDEO
    Publication number: 20210067757
    Abstract: Disclosed herein is an immersive video processing method. The immersive video processing method includes: determining a priority order of pruning for source videos; extracting patches from the source videos based on the priority order of pruning; generating at least one atlas based on the extracted patches; and encoding metadata. Herein, a first flag indicating whether or not an atlas includes a patch including information on an entire region of a first source video may be encoded into the metadata.
    Type: Application
    Filed: August 28, 2020
    Publication date: March 4, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kug Jin YUN, Jun Young JEONG, Gwang Soon LEE, Hong Chang SHIN, Ho Min EUM
  • Implanting device
    Patent number: 10918474
    Abstract: An implanting device is used for implanting a membrane in a biological tissue. The implanting device includes a sleeve, a membrane storage element, an injection element and a bubble generating element. The membrane storage element is fixed at the sleeve. The injection element is inserted in the sleeve and the membrane storage element, and includes a capturing end and connecting end. The capturing end is for capturing the membrane and has a hole. The bubble generating element is connected to the connecting end, and is for providing a gas that is then outputted via the hole. By the rotation of the injection element, the capturing end extends straight out of the membrane storage element or retracts straight into the membrane storage element.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: February 16, 2021
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yu-Bing Liou, Ming-Chia Yang, Hsin-Yi Hsu, Yun-Han Lin, Wei-Hong Chang, I-Jong Wang, Hsin-Hsin Shen
  • PREFABRICATED STAIRS MODULAR ASSEMBLY MOLD AND ASSEMBLING METHOD THEREOF
    Publication number: 20210017775
    Abstract: A prefabricated stair modular assembly mold comprises a base, a step standard module, an upside module of a lower platform, an underside rotating module of a lower platform, an upside module of an upper platform, an underside rotating module of an upper platform, an underside common module, and an underside adjustment modules. Prefabricated stair molds of different dimensions are formed by means of locating holes provided in the assembling modules, and are then fixed by means of sliding holes at two ends. Further disclosed is a mounting method for said assembly mold. Said assembly mold has high positioning accuracy, and small accumulated error, improving the mounting efficiency of the prefabricated staircase mold.
    Type: Application
    Filed: October 8, 2019
    Publication date: January 21, 2021
    Applicants: China University of Mining and Technology, China Mining & Civil New Material Science and Technology Ltd., BOXIA MINING TECHNOLOGY LTD.
    Inventors: Hong CHANG, Junwu XIA, Xiaofang XIANG, Xia BAI
  • METHOD FOR PROCESSING IMMERSIVE VIDEO AND METHOD FOR PRODUCING IMMERSIVE VIDEO
    Publication number: 20210006830
    Abstract: Disclosed herein is an immersive video processing method. The immersive video processing method may include classifying a multiplicity of source view videos into base view videos and additional view videos, generating residual data for the additional view videos, packing a patch, which is generated based on the residual data, into an altas video, and generating metadata for the patch.
    Type: Application
    Filed: March 19, 2020
    Publication date: January 7, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kug Jin YUN, Jun Young JEONG, Gwang Soon LEE, Hong Chang SHIN, Ho Min EUM, Sang Woon KWAK