Patents by Inventor Jung Yu

Jung Yu 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).

  • Method for changing operating mode of wireless LAN system and wireless LAN system
    Patent number: 9860837
    Abstract: An operating mode change method of a wireless local area network (WLAN) system according to an exemplary embodiment includes transmitting, by a station (STA) to an access point (AP), an operating mode change request frame comprising at least one of information on a change of a traffic indication map (TIM) mode, a request for a change of a power save parameter, and information on a change of a service type of the STA, receiving, from the AP, an operating mode change response frame comprising at least one of a TIM mode allowed by the AP, a reallocated association identification (AID), and information on a changed power save parameter, and performing at least one of the change of the TIM mode and the change of the power save parameter based on the information included in the operating mode change response frame.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: January 2, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae Seung Lee, Hyoung Jin Kwon, Min Ho Cheong, Hee Jung Yu, Sok Kyu Lee
  • Support of frequency diversity mode for block code based transmission in OFDMA
    Patent number: 9860099
    Abstract: Transmitting a frame may include determining a numerology according to a channel bandwidth, indicating the numerology in a field of a frame, and transmitting the frame using the numerology. Receiving a frame may include receiving a preamble of a frame, determining a numerology using the preamble, and receiving later portions of the frame using the numerology. Transmitting a frame may include, for a transmission time slot, determining a value of a first subcarrier of a first Space-Time Stream (STS), determining a value of a second subcarrier of the first STS, and determining, according to complex conjugates or negative complex conjugates of the values of the first and second subcarriers of the first STS, respective values of second and first subcarriers of a second STS. Transmitting a constellation point of a frame may be performed using an orphan subcarrier pair.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: January 2, 2018
    Assignee: NEWRACOM, INC.
    Inventors: Yujin Noh, Dae Won Lee, Sungho Moon, Jae Hyun Ahn, Hee Jung Yu, Minho Cheong
  • Top emitting organic electroluminescent devices
    Patent number: 9843012
    Abstract: The present disclosure provides a top emitting organic electroluminescent device including a first scattering layer, and a first electrode, at least one organic material layer, a second electrode and a second scattering layer formed on the first scattering layer sequentially. The first scattering layer contains a plurality of micro-particles that are 10 to 90 wt % of the first scattering layer.
    Type: Grant
    Filed: December 26, 2014
    Date of Patent: December 12, 2017
    Assignee: Industrial Technology Research Institute
    Inventors: Jung-Yu Liao, Tien-Shou Shieh, Pei-Ching Liu
  • DEVICE AND METHOD FOR CONTROLLING SLOT-BASED CHANNEL ACCESS IN WIRELESS LAN SYSTEM, AND SLOT-BASED CHANNEL ACCESS TERMINAL IN WIRELESS LAN
    Publication number: 20170353970
    Abstract: An apparatus and a method of controlling slot-based channel access by an access point (AP) to manage a network in a wireless local area network (WLAN) environment and a slot-based channel access terminal are disclosed. A slot-based channel access control apparatus of a WLAN system according to an exemplary embodiment determines one of each terminal and a group of terminals as a slot allocation target, allocates a slot defined in a beacon interval to the determined terminal or group to distinguish channel access time, and transmits a beacon including information on the allocated slot.
    Type: Application
    Filed: August 24, 2017
    Publication date: December 7, 2017
    Inventors: Hyoung Jin KWON, Jae Seung LEE, Min Ho CHEONG, Hee Jung YU, Sok Kyu LEE
  • PHYSIOLOGICAL DETECTION METHOD AND DEVICE THEREOF
    Publication number: 20170340220
    Abstract: A physiological detection method includes the following steps. A detection portion of a human body is detected to obtain a detection signal. Then, the detection signal is processed to output a digital physiological signal. The digital physiological signal is received to calculate and obtain first information and second information related to feature points thereof. Then, a ratio of the second information to the first information is calculated to obtain a physiological condition index. The digital physiological signal includes pulse waves generated according to a time sequence. The feature points of the digital physiological signal include a wave pulse peak and a foot point located at a forepart of the rising edge of the wave. In addition, a physiological detection device is also introduced.
    Type: Application
    Filed: September 27, 2016
    Publication date: November 30, 2017
    Applicant: Leadtek Research Inc.
    Inventors: Po-Chun Hsu, Cheng-Jun Chuang, Mike Chang, Kuo-Hung Cheng, Jason Yang, Yu-Hsiang Lin, Chao-Jung Yu
  • Real-time charging system and method for managing QoS and charging rule of service
    Patent number: 9825768
    Abstract: Provided is a method and apparatus for controlling a charging condition and policy by a first entity, in which information for policy decision information is received from a second entity and an acknowledgement message is transmitted to the second entity. A policy based on the information for policy decision information is determined, the policy is transmitted to a third entity, and an acknowledgement message for the policy is received from the third entity.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: November 21, 2017
    Assignee: Samsung Electronics Co., Ltd
    Inventor: Su Jung Yu
  • APPARATUS FOR TRANSMITTING AND RECEIVING DATA TO PROVIDE HIGH-SPEED DATA COMMUNICATION AND METHOD THEREOF
    Publication number: 20170325126
    Abstract: In the present invention, data generated from a source unit are distributed to at least one bandwidth; the data distributed to the respective bandwidths are encoded in order to perform an error correction; the encoded data are distributed to at least one antenna; a subcarrier is allocated to the data distributed to the respective antennas, and an inverse Fourier transform is performed; a short preamble and a first long preamble corresponding to the subcarrier are generated; a signal symbol is generated according to a data transmit mode; and a frame is generated by adding a second long preamble between the signal symbol and a data field for the purpose of estimating a channel of a subcarrier which is not used.
    Type: Application
    Filed: May 22, 2017
    Publication date: November 9, 2017
    Inventors: Hee-Jung YU, Taehyun JEON, Myung-Soon KIM, Eun-Young CHOI, Sok-kyu LEE, Deuk-Su LYU
  • Apparatus and method for controlling slot usage
    Patent number: 9807804
    Abstract: Provided is slot use control apparatus and method, including an access point (AP) to control a slotted channel access of a station (STA) in a wireless local area network (WLAN) includes generating a synchronization (synch) frame including an identification value indicating an STA allocated to a slot, and broadcasting the generated synch frame when a channel is in an idle state at a start point of the slot.
    Type: Grant
    Filed: July 5, 2013
    Date of Patent: October 31, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyoung Jin Kwon, Jae Seung Lee, Min Ho Cheong, Hee Jung Yu, Jae Woo Park, Sok Kyu Lee
  • Nebulizing driving apparatus and nebulizing system
    Patent number: 9780286
    Abstract: A nebulizing driving apparatus is used to drive a piezoelectric material of a nebulizing module. The nebulizing driving apparatus includes a driving circuit, a control circuit and a feedback circuit. The feedback circuit detects an electrical data fed back from the piezoelectric material and sends the electrical data to the control circuit when the control circuit is configured to control the driving circuit to drive the piezoelectric material with a driving frequency. According to the electrical data, the control circuit is configured to control the driving circuit to drive the piezoelectric material with a working frequency.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: October 3, 2017
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: I-Chen Ma, Tien-He Chen, Yu-Jia Shih, Chih-Ching Chang, Jung-Yu Lin
  • Device and method for controlling slot-based channel access in wireless LAN system, and slot-based channel access terminal in wireless LAN
    Patent number: 9781741
    Abstract: An apparatus and a method of controlling slot-based channel access by an access point (AP) to manage a network in a wireless local area network (WLAN) environment and a slot-based channel access terminal are disclosed. A slot-based channel access control apparatus of a WLAN system according to an exemplary embodiment determines one of each terminal and a group of terminals as a slot allocation target, allocates a slot defined in a beacon interval to the determined terminal or group to distinguish channel access time, and transmits a beacon including information on the allocated slot.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: October 3, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyoung Jin Kwon, Jae Seung Lee, Min Ho Cheong, Hee Jung Yu, Sok Kyu Lee
  • Operation method of station in wireless local area network
    Patent number: 9769746
    Abstract: Disclosed are operation method of station in wireless local area network. An operation method comprises setting transmission power of a frame; setting a clear channel assessment (CCA) threshold based on a difference between the set transmission power and a default value of the transmission power; and performing a CCA operation based on the set CCA threshold. Therefore, performance of WLAN can be enhanced.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: September 19, 2017
    Assignee: NEWRACOM, INC.
    Inventors: Hyoung Jin Kwon, Min Ho Cheong, Hee Jung Yu
  • Scanning method in wireless LAN system and supporting device therefor
    Patent number: 9749936
    Abstract: A scanning method performed by a station (STA) in a wireless LAN system is provided. The method comprises: transmitting a probe request frame; and receiving a short probe response frame from an access point (AP) as a response to the probe request frame. The short probe response frame includes service set ID (SSID) information or compressed SSID information of the AP.
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: August 29, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae Seung Lee, Min Ho Cheong, Hyoung Jin Kwon, Hee Jung Yu, Sok Kyu Lee
  • LIGHT EMITTING DEVICE
    Publication number: 20170244060
    Abstract: A light emitting device includes an electrode layer, a first metal layer, an organic material layer and a second metal layer stacked sequentially. The first metal layer includes a first metal portion and a second metal portion separated from the first metal portion at a first lateral distance, and the first metal portion and the second metal portion have a first period. The organic material layer includes a first emitting region separating the first metal portion and the second metal portion. The first lateral distance and the first period enable a lateral plasma coupling generated between the first metal portion and the second metal portion, such that light generated by the organic material layer at the first emitting region has a gain in a first waveband, or a peak wavelength of the light generated by the first emitting region shifts to the first waveband.
    Type: Application
    Filed: April 15, 2016
    Publication date: August 24, 2017
    Applicant: Industrial Technology Research Institute
    Inventors: Yi-Ping Lin, Jung-Yu Li, Guan-Yu Chen, Shih-Pu Chen, Jin-Han Wu, Cheng-Chang Chen
  • Light emitting device
    Patent number: 9741959
    Abstract: A light emitting device includes an electrode layer, a first metal layer, an organic material layer and a second metal layer stacked sequentially. The first metal layer includes a first metal portion and a second metal portion separated from the first metal portion at a first lateral distance, and the first metal portion and the second metal portion have a first period. The organic material layer includes a first emitting region separating the first metal portion and the second metal portion. The first lateral distance and the first period enable a lateral plasma coupling generated between the first metal portion and the second metal portion, such that light generated by the organic material layer at the first emitting region has a gain in a first waveband, or a peak wavelength of the light generated by the first emitting region shifts to the first waveband.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: August 22, 2017
    Assignee: Industrial Technology Research Institute
    Inventors: Yi-Ping Lin, Jung-Yu Li, Guan-Yu Chen, Shih-Pu Chen, Jin-Han Wu, Cheng-Chang Chen
  • Fine knitwear of circular knitting machines with air permeable holes
    Patent number: 9732451
    Abstract: A fine knitwear of circular knitting machines with air permeable holes is a single face fabric knitted via a circular knitting machine with knitting fineness ?24 needles/inch. Each air permeable hole includes: at least one yarn located above the air permeable hole and formed via interactive movements of a Dial sinker and a plurality of latch needles perpendicular to the Dial sinker, and a first support loop and a second support loop that are formed via interactive movements of the Dial sinker and the latch needles and symmetrical against the yarn on the left side and the right side to support and tie the transferred yarn. The fine knitwear can meet market and consumers' requirements of providing more comfortable cooling, and the width of the air permeable holes can be changed flexibly in response to different requirements in the industry.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: August 15, 2017
    Assignee: PAI LUNG MACHINERY MILL CO., LTD.
    Inventors: Hsin-Chung Lee, Shu-Jung Yu
  • CABLE CONTROL DEVICE FOR BICYCLE
    Publication number: 20170225740
    Abstract: A cable control device for a bicycle is mounted on a bicycle frame and contains: a clamping assembly, a cable controlling set, a positioning assembly, and a returning set. The clamping assembly includes a first damper and a second damper rotatably. The cable controlling set rotatably is accommodated in a C-shaped accommodation groove of a connecting holder. The cable controlling set includes a body, a rotary lever, and a steel cable. The positioning assembly is coupled with the connecting holder of the clamping assembly and includes at least one fixing portion arranged on the body, wherein the at least one fixing portion has a tilted guiding face and a locking extension, and the cable controlling set is coupled with a connector on which a post extends outwardly. The returning set is connected with the connecting holder and the positioning assembly and includes a return element and a resilient element.
    Type: Application
    Filed: February 4, 2016
    Publication date: August 10, 2017
    Inventor: JUNG YU HSU
  • RESTRICTION UNIT FOR ADJUSTMENT OF SEAT POST
    Publication number: 20170225733
    Abstract: A seat post adjustment device includes an outer tube and an inner tube which has the first end thereof inserted into the outer tube, and a seat is connected to the second end of the inner tube. An adjustment unit is connected to the inner tube, the adjustment unit and the inner tube are linearly movable for a travel distance in the outer tube. An end member is connected to the lower end of the outer tube. A restriction unit is located in the outer tube and has a restriction member which has a length and can be cut when needed such that the travel distance of the inner tube in the outer tube is restricted when the adjustment unit contacts the restriction member. When the adjustment unit contacts the restriction member, the minimum height of the second end of the post beyond the outer tube is set.
    Type: Application
    Filed: February 4, 2016
    Publication date: August 10, 2017
    Inventor: JUNG YU HSU
  • BICYCLE SEAT ADJUSTMENT DEVICE
    Publication number: 20170225732
    Abstract: A bicycle seat adjustment device includes a seat tube and a seat post inserted in the seat tube. A base is connected to the top of the seat post. A control unit has an adjustment device located between the seat tube and the seat post to control movement of the seat post. A pivotal unit has a pivotal member, a link and a collar. The pivotal member is pivotally connected between the base and the link. The collar is mounted to the seat post and pivotally connected to the link. A connection unit is pivotably connected to the pivotal member and connected with a seat. When adjusting the seat, the seat is able to be pivoted by cooperation from the pivotal unit simultaneously.
    Type: Application
    Filed: February 4, 2016
    Publication date: August 10, 2017
    Inventor: JUNG YU HSU
  • PATH SPLIT UNIT AND SAFETY VALVE FOR SUSPENSION DEVICE
    Publication number: 20170227081
    Abstract: A safety valve includes a first part and a second part. The first part has a main chamber, and a sub chamber is defined between the first and second parts. A path split unit includes a base with a recess which communicates with the sub chamber. The base has a main path communicating with the main chamber, and a sub-path unit communicating with a sub chamber. One end of the sub-path unit communicates with the main path. A safety path unit communicates between the sub chamber and the recess and the sub-path unit by a communication path. A switch unit is received in the recess and controls the communication between the main path and the sub-path unit. When a severe and sudden impact is transferred to the suspension device, a portion of liquid in the main path flows into the sub chamber to provide a level of buffering feature.
    Type: Application
    Filed: February 4, 2016
    Publication date: August 10, 2017
    Inventor: JUNG YU HSU
  • FLOW ADJUSTMENT AND OIL PATH SEPARATION STRUCTURE OF SHOCK ABSORBER
    Publication number: 20170227082
    Abstract: A flow adjustment and oil path separation structure of a shock absorber includes inner and outer tubes sheathed and linearly contracted and extended with respect to each other and having a base tube module installed in the inner tube and including a first component and a second component sheathed on each other. A primary oil chamber is formed in the first component. A secondary oil chamber is formed between the first and second components. An oil path separation module includes an oil path separator seat with an ON/OFF installing slot, a primary channel, a secondary channel group, a first adjusting hole and a communication channel. A first adjustment module is installed at the first adjusting hole for adjusting the amount of hydraulic oil in the first adjusting hole. An ON/OFF switch module is installed in the ON/OFF installing slot for switching a flow ON/OFF status of the secondary channel group.
    Type: Application
    Filed: February 4, 2016
    Publication date: August 10, 2017
    Inventor: JUNG YU HSU