Patents by Inventor Yoonjae CHOI

Yoonjae 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).

  • Publication number: 20240316987
    Abstract: A half shaft and hub bearing assembly includes a half shaft including a CV joint outer race and a stub axle extending from the CV joint outer race. The CV joint outer race includes a first axial face including an annular groove and the half shaft includes a first chamfered shoulder having a chamfer angle. A hub bearing includes a body having a bore therethrough that receives the stub axle. The body includes a second axial face opposing the first axial face of the CV joint outer race with a gap therebetween and a second chamfered shoulder engaging the first chamfered shoulder. The hub bearing includes a hub flange extending radially from the body. A seal ring is received in the annular groove in the first axial face of the CV joint outer race and the seal ring being disposed against the second axial face of the hub bearing.
    Type: Application
    Filed: March 21, 2023
    Publication date: September 26, 2024
    Inventors: Yoonjae CHOI, Minseung Kim
  • Publication number: 20240259007
    Abstract: A 4-level pulse amplitude modulation (PAM-4) decoder including: a comparator configured to receive first input data, second input data, and a clock signal and output first comparison data and second comparison data, wherein the first comparison data and the second comparison data are comparison results for the first input data and the second input data; a clock delay circuit configured to delay the clock signal and generate a delayed clock signal; and a time-windowed least significant bit (LSB) decoder configured to receive the first comparison data, the second comparison data, and the delayed clock signal, wherein the time-windowed LSB decoder is configured to perform a decoding when the delayed clock signal is at a first level.
    Type: Application
    Filed: January 31, 2024
    Publication date: August 1, 2024
    Applicant: Korea University Research And Business Foundation
    Inventors: Kwanyeob CHAE, Chulwoo KIM, Yoonjae CHOI, Kyeongkeun KANG
  • Publication number: 20230344417
    Abstract: A semiconductor device is provided. The semiconductor device includes: an equalizer circuit configured to output a first control signal corresponding to a first bit of original two-bit data and a second control signal corresponding to a second bit of the original two-bit data; and a driver circuit including a plurality of pull-up transistors connected between an output node and a first power node configured to provide a first power supply voltage, and a plurality of pull-down transistors connected between the output node and a second power node configured to provide a second power supply voltage, wherein the second power supply voltage is lower than the first power supply voltage, and the driver circuit is connected to the equalizer circuit in series.
    Type: Application
    Filed: December 22, 2022
    Publication date: October 26, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Korea University Research and Business Foundation
    Inventors: Kwanyeob CHAE, Chulwoo KIM, Yoonjae CHOI, Kyeongkeun KANG
  • Publication number: 20140172497
    Abstract: An apparatus for managing risk in social web media in a prediction-based manner is provided, and includes a risk vocabulary management unit, which extracts and manages vocabulary to be managed as pertaining to risk from social web content, a risk issue prediction analysis quality extraction unit, which performs language analysis and sensitivity analysis, a risk prediction modeling unit, which models risk prediction analysis, a risk detection and notification unit, which automatically detects and notifies the risk, a risk situation monitoring unit, which monitors in real time a risk state of a risk entity when an alarm is raised with respect to the detected risk, and a risk history management unit, which receives user feedback for monitored risk information and manages a record of a terminated risk situation.
    Type: Application
    Filed: April 23, 2013
    Publication date: June 19, 2014
    Inventors: Hyeon Jin KIM, Chung Hee LEE, HYO-JUNG OH, Myung Gil JANG, Yohan JO, HyunKi KIM, Pum Mo RYU, Jeong HEO, Yeo Chan YOON, Miran CHOI, Yoonjae CHOI, Sang Kyu PARK
  • Patent number: 8744837
    Abstract: A question type and domain identifying apparatus includes: a question type identifier for recognizing the number of words of a user's question to identify whether the user's question is a query for performing information searching or a question for performing a question and answer (Q&A); a question domain distributor for distributing one of plural preset domain specialized Q&A engines, as a Q&A engine of the user's question based on the recognized word number; and a Q&A engine block, including the domain specialized Q&A engines, for selectively performing information searching or a Q&A with respect to the user's question in response to the distribution of the question domain distributor.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: June 3, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jeong Heo, Myung Gil Jang, Hyunki Kim, Pum Mo Ryu, Changki Lee, Chung Hee Lee, Ji Ae Shin, Yoonjae Choi, Soojong Lim, Miran Choi, Yeo Chan Yoon, Hyo-Jung Oh, Sang Kyu Park
  • Publication number: 20130054553
    Abstract: A method for automatically extracting information of products, includes searching documents based on product names; and extracting sentences including advantages and disadvantages for products having the product names from the searched documents. Further, the method for automatically extracting the information of the products includes classifying the sentences by similar contents among the extracted sentences; selecting representative sentences among the classified sentences; and calculating each weight of the selected representative sentences.
    Type: Application
    Filed: July 26, 2012
    Publication date: February 28, 2013
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Yeo Chan YOON, HyunKi Kim, Hyo-Jung Oh, Changki Lee, Chung Hee Lee, Myung Gil Jang, Yohan Jo, Miran Choi, Yoonjae Choi, Jeong Heo, Pum Mo Ryu, Hyeon Jin Kim
  • Publication number: 20120101807
    Abstract: A question type and domain identifying apparatus includes: a question type identifier for recognizing the number of words of a user's question to identify whether the user's question is a query for performing information searching or a question for performing a question and answer (Q&A); a question domain distributor for distributing one of plural preset domain specialized Q&A engines, as a Q&A engine of the user's question based on the recognized word number; and a Q&A engine block, including the domain specialized Q&A engines, for selectively performing information searching or a Q&A with respect to the user's question in response to the distribution of the question domain distributor.
    Type: Application
    Filed: October 25, 2011
    Publication date: April 26, 2012
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jeong HEO, Myung Gil Jang, HyunKi Kim, Pum Mo Ryu, Changki Lee, Chung Hee Lee, Ji Ae Shin, Yoonjae Choi, Soojong Lim, Miran Choi, Yeo Chan Yoon, Hyo-Jung Oh, Sang Kyu Park
  • Publication number: 20120089584
    Abstract: Provided are a method and mobile terminal for performing a personalized search, capable of providing search results optimized for a user in consideration of location and user preference. The method includes acquiring a question keyword from a user and information about the location of a mobile terminal, making a local search on the basis of the question keyword and the location information to generate local search results, displaying the local search results and storing a use record of the user of the mobile terminal corresponding to the displayed local search results, generating a user preference analysis model using the location information and the use record, then applying the generated user preference analysis model to the local search results, and deducing personalized final local search results from the local search results. Thus, it is possible to provide the local search results optimized for the user.
    Type: Application
    Filed: July 26, 2011
    Publication date: April 12, 2012
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yeo Chan YOON, Soojong LIM, Hyo-Jung OH, HyunKi KIM, Pum Mo RYU, Chung Hee LEE, Jeong HEO, Changki LEE, Miran CHOI, Yoonjae CHOI, Ji Ae SHIN, Myung Gil JANG, Sang Kyu PARK