Patents by Inventor Joon-Hak Bang

Joon-Hak Bang 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).

  • Patent number: 11221484
    Abstract: A scent visualization system may comprise a display apparatus for generating a target image including a target object; an olfactory sensor for detecting a scent; and a scent visualization apparatus for generating target associative visualization information that reminds the scent from the target image received from the display apparatus and sensing information received from the olfactory sensor, and generating an associative image by combining the target associative visualization information and the target image. Therefore, a low-cost, high-efficiency, high-utilization, and high-convenience scent visualization system can be provided.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: January 11, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jong Woo Choi, Jun Seok Park, Joon Hak Bang, Hae Ryong Lee, Sung June Chang
  • Publication number: 20200132999
    Abstract: A scent visualization system may comprise a display apparatus for generating a target image including a target object; an olfactory sensor for detecting a scent; and a scent visualization apparatus for generating target associative visualization information that reminds the scent from the target image received from the display apparatus and sensing information received from the olfactory sensor, and generating an associative image by combining the target associative visualization information and the target image. Therefore, a low-cost, high-efficiency, high-utilization, and high-convenience scent visualization system can be provided.
    Type: Application
    Filed: October 14, 2019
    Publication date: April 30, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jong Woo CHOI, Jun Seok PARK, Joon Hak BANG, Hae Ryong LEE, Sung June CHANG
  • Patent number: 10551050
    Abstract: Provided are an apparatus and method for providing a virtual augmented reality using a scent projector, the method including: analyzing an input virtual augmented reality media related sound to extract an amplitude and a frequency of the sound at a predetermined interval of time; converting the amplitude of the sound into an odor concentration signal; converting the frequency of the sound into an odor quality signal; and controlling the scent projector to emit a scent in response to the odor concentration signal and the odor quality signal.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: February 4, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jun Seok Park, Joon Hak Bang, Hae Ryong Lee, Sung June Chang, Jong Woo Choi
  • Publication number: 20190087425
    Abstract: An apparatus for recognizing olfactory information related to multimedia content may comprise a processor. The processor may receive the multimedia content, detect one or more first objects and first label information with respect to the one or more first objects included in the multimedia content, extract second label information including relative position information of the one or more first objects in the multimedia content, and generate third label information by using a result of identifying whether the detected one or more first objects are odor objects related to odors.
    Type: Application
    Filed: November 27, 2017
    Publication date: March 21, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sang Yun KIM, Sung June CHANG, Hae Ryong LEE, Jun Seok PARK, Joon Hak BANG, Jong Woo CHOI
  • Publication number: 20190019033
    Abstract: An apparatus for generating olfactory information related to multimedia content may comprise a processor. The processor may receive multimedia content, extract an odor image or an odor sound included in the multimedia content, and generate representative data related to the odor image or the odor sound by describing information on the extracted odor image or odor sound in a data format sharable by a media thing.
    Type: Application
    Filed: November 27, 2017
    Publication date: January 17, 2019
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung June CHANG, Hae Ryong LEE, Jun Seok PARK, Joon Hak BANG, Jong Woo CHOI, Sang Yun KIM, Hyung Gi BYUN, Jang Sik CHOI
  • Patent number: 9580011
    Abstract: Provided are an apparatus and method for correcting sensing of a surrounding obstacle on a curved road. The apparatus includes an acquisition unit configured to acquire curvature information of a curved road on which a vehicle is traveling using a steering angle value indicating a degree of rotation of a steering wheel of the vehicle, a sensing unit configured to sense another vehicle traveling behind the vehicle, and a correction unit configured to correct sensing information of the other vehicle sensed by the sensing unit using the curvature information acquired by the acquisition unit.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: February 28, 2017
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Joon Hak Bang, Kee Koo Kwon, Soo In Lee
  • Publication number: 20150266510
    Abstract: Provided are an apparatus and method for correcting sensing of a surrounding obstacle on a curved road. The apparatus includes an acquisition unit configured to acquire curvature information of a curved road on which a vehicle is traveling using a steering angle value indicating a degree of rotation of a steering wheel of the vehicle, a sensing unit configured to sense another vehicle traveling behind the vehicle, and a correction unit configured to correct sensing information of the other vehicle sensed by the sensing unit using the curvature information acquired by the acquisition unit.
    Type: Application
    Filed: September 18, 2014
    Publication date: September 24, 2015
    Inventors: Joon Hak BANG, Kee Koo KWON, Soo In LEE
  • Patent number: 7760689
    Abstract: It is possible to intuitively determine whether to control transmission power of a current data transmission rate mode or to change the data transmission rate mode by extracting an automatic gain controller (AGC) index after driving algorithm of an AGC, recognizing a channel clear assessment (CCA) status by using the extracted AGC index, and generating link quality indicator (LQI) information to be transmitted from a physical layer to a media access control (MAC) layer by using the AGC index, when the CCA status is high, in order to embody effective piconets in a multi-band orthogonal frequency division multiplexing ultra-wide band system (MB-OFDM UWB system) including a receiver having a dynamic gain controller(DGC) and the AGC.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: July 20, 2010
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Cheol Ho Shin, Sung Woo Choi, Joon Hak Bang, Byoung Hak Kim, Sang Sung Choi, Kwang Roh Park
  • Publication number: 20100138113
    Abstract: Provided are a control system and method for protecting a child occupant of a vehicle. The control system includes a detecting unit, a monitoring unit, and a control unit. The detecting unit detects occupant data including weights of occupants and deployed lengths of seat belts. The monitoring unit determines whether the occupant is a child, whether the occupant has a seat belt on, and an occupant position based on the detected occupant data to generate occupant status data according to the determined results. The control unit controls a vehicle peripheral device according to the occupant status data when the occupant status data is received.
    Type: Application
    Filed: August 28, 2009
    Publication date: June 3, 2010
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Eun Ryung Lee, Jae Young Kim, Kee koo Kwon, Joon Hak Bang, Jong Uk Kim, Sung Ho Ahn
  • Publication number: 20100134302
    Abstract: Provided are a system and method for controlling the emotion of a car driver. A system for controlling the emotion of a car driver includes a detection unit, a control unit, and an emotion controlling unit. The detection unit detects emotion information including the voice, expression, gesture, heart rate, and temperature of the car driver. The control unit compares the detected emotion information with the prestored reference emotion information of the car driver to determine whether to control the emotion of the car driver and outputs a control signal for control of the emotion of the car driver according to the determination result. The emotion controlling unit controls the emotion of the car driver according to the control signal of the control unit.
    Type: Application
    Filed: May 29, 2009
    Publication date: June 3, 2010
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sung Ho Ahn, Jong Uk Kim, Kee Koo Kwon, Joon Hak Bang, Eun Ryung Lee, Jae Young Kim
  • Patent number: 7653092
    Abstract: Provided are a time-division data multiplexing/demultiplexing system and method capable of preventing errors in processing data signals which occur due to a phase difference between data signals and a multiplexing reference clock in a multiplexing process or a phase difference between a multiplexed data signal and a demultiplexing reference clock in a demultiplexing process. The time-division data multiplexing system includes: a phase adjusting unit which adjusts a phase of each of a plurality of data signals having different phases from one another for enabling the data signals to be time-division multiplexed when a plurality of values of the data signals indicate a stable state; and a multiplexer time-division multiplexing the phase adjusted data signals according to a multiplexing reference clock.
    Type: Grant
    Filed: April 18, 2006
    Date of Patent: January 26, 2010
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Joon Hak Bang, Hyun Woo Cho, Sang Kyu Lim, Wang Joo Lee, Je Soo Ko
  • Publication number: 20080130513
    Abstract: It is possible to intuitively determine whether to control transmission power of a current data transmission rate mode or to change the data transmission rate mode by extracting an automatic gain controller (AGC) index after driving algorithm of an AGC, recognizing a channel clear assessment (CCA) status by using the extracted AGC index, and generating link quality indicator (LQI) information to be transmitted from a physical layer to a media access control (MAC) layer by using the AGC index, when the CCA status is high, in order to embody effective piconets in a multi-band orthogonal frequency division multiplexing ultra-wide band system (MB-OFDM UWB system) including a receiver having a dynamic gain controller(DGC) and the AGC.
    Type: Application
    Filed: November 30, 2007
    Publication date: June 5, 2008
    Inventors: Cheol Ho SHIN, Sung Woo CHOI, Joon Hak BANG, Byoung Hak KIM, Sang Sung CHOI, Kwang Roh PARK
  • Publication number: 20060104317
    Abstract: Provided are a multi-protocol signal processing apparatus for a next-generation Synchronous Digital Hierarchy (NG-SDH) transponder, and a method thereof. The multi-protocol signal processing apparatus for an NG-SDH transponder, which includes: a sub-signal processing unit for classifying and processing multi-protocol sub-signals based on kinds; an interfacing unit for making interface between the sub-signal processing unit and an optical signal generating unit the same for the multi-protocol sub-signals to use the multi-protocol sub-signals in Synchronous Digital Hierarchy (SDH) flexibly with no regard to the kinds of the multi-protocol sub-signals; and the optical signal generating unit for generating SDH optical signals by aggregating the multi-protocol sub-signals having a predetermined capacity which are transmitted through the interfacing unit into SDH signals, performing framing, and performing optical/electrical (O/E) conversion on the SDH signals in an optical module.
    Type: Application
    Filed: June 9, 2005
    Publication date: May 18, 2006
    Inventors: Joon-Hak Bang, Je-Soo Ko
  • Patent number: 6795233
    Abstract: The present invention provides a cross-gain modulation type optical wavelength converter having a high extinction ratio and a wide input dynamic range, which is capable of preventing an extinction ratio from lowering and allowing an input dynamic range to widen. The XGM type optical wavelength converter of the present invention allows a probe light to be cross-gain modulated by a pump light one more time using two SOAs, and allows the width of the modulation of the probe light to be further broadened, thereby improving the extinction ratio after wavelength conversion. Simultaneously, the XGM type optical wavelength converter detects the intensity of an optical signal inputted to the optical wavelength converter and automatically controls the intensity of the probe light on the basis of the detected intensity of the input optical signal, thereby providing a wide input dynamic range.
    Type: Grant
    Filed: February 6, 2003
    Date of Patent: September 21, 2004
    Assignee: Electronics & Telecommunications Research Institute
    Inventors: Joon Hak Bang, Je Soo Ko
  • Publication number: 20040090662
    Abstract: The present invention provides a cross-gain modulation type optical wavelength converter having a high extinction ratio and a wide input dynamic range, which is capable of preventing an extinction ratio from lowering and allowing an input dynamic range to widen. The XGM type optical wavelength converter of the present invention allows a probe light to be cross-gain modulated by a pump light one more time using two SOAs, and allows the width of the modulation of the probe light to be further broadened, thereby improving the extinction ratio after wavelength conversion. Simultaneously, the XGM type optical wavelength converter detects the intensity of an optical signal inputted to the optical wavelength converter and automatically controls the intensity of the probe light on the basis of the detected intensity of the input optical signal, thereby providing a wide input dynamic range.
    Type: Application
    Filed: February 6, 2003
    Publication date: May 13, 2004
    Inventors: Joon Hak Bang, Je Soo Ko
  • Patent number: 6577435
    Abstract: An optical wavelength converter based on cross-gain modulation with wide input dynamic range, the converter including a semiconductor optical amplifier, a continuous wave source, and a probe beam controller. The semiconductor optical amplifier modulates probe power on the basis of pump power. The continuous wave source generates the probe beam and supplies the generated probe beam to the semiconductor optical amplifier. The probe beam controller adjusts bias current supplied to the continuous wave source and controls the probe power in proportion to the pump power.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: June 10, 2003
    Assignee: Electronics And Telecommunications Research Institute
    Inventors: Joon-Hak Bang, Jong-Hyun Lee, Jung-Hee Han, Sung-Un Lee, Sang-Rok Lee
  • Patent number: 6480309
    Abstract: An optical gate based optical space division switch for switching optical signals inputted through arbitrary input ports to a desired output port with no internal collision. The optical space division switch comprises a first splitting section for splitting the optical signals inputted through the input ports, a first amplification section for selectively amplifying output optical signals from the first splitting section, a second splitting section for splitting output optical signals from the first amplification section, a second amplification section for selectively amplifying output optical signals from the second splitting section, a coupling section for coupling output optical signals from the second amplification section, and a third amplification section for amplifying an output optical signal from the coupling section and transferring the amplified optical signal to the output port. According to the present invention, optical gates are connected in a two-stage manner to cross-couple optical signals.
    Type: Grant
    Filed: August 23, 1999
    Date of Patent: November 12, 2002
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sang Rok Lee, Wan Seok Seo, Sung Un Lee, Byeong Ho Yoon, Joon Hak Bang, Jong Hyun Lee
  • Patent number: 6424664
    Abstract: Disclosed is a Brillouin erbium-fiber laser system producing multiwavelengths with a dual spacing of 10 GHz and 20 GHz. The Brillouin erbium-fiber laser system includes: a Sagnac reflector generating even- and odd-order Strokes waves by launching input lights, a first unit forming a first resonator with the Sagnac reflector, wherein the first unit is coupled to a first directional coupler in the Sagnac reflector, a second unit forming a second resonator with the Sagnac reflector, wherein the second unit is coupled to the first directional coupler in the Sagnac reflector, and a third unit for inputting Brillouin pump light into one of first and the second units, whereby the optical fiber laser system outputs multiwavelengths with a dual spacing.
    Type: Grant
    Filed: February 3, 2000
    Date of Patent: July 23, 2002
    Assignees: Electronics and Telecommunications Research Institute, Korea Telecom
    Inventors: Wang-Yuhl Oh, Joon-Hak Bang, Sang-Soo Lee, Hyun-Jae Lee, Je-Soo Ko, Wan-Seok Seo
  • Publication number: 20020060839
    Abstract: The invention relates to a hybrid fiber amplifier in which a dispersion compensating Raman amplifier is associated with an erbium doped fiber amplifier to enhance the amplifier efficiency. It is an object of the invention to provide a dispersion compensating Raman amplifier(DCRA) by inducing Raman pump light into a dispersion compensating fiber to obtain a Raman gain in which a depolarizer is used to eliminate the pump light polarization dependent Raman gain, and a hybrid fiber amplifier in which the DCRA is associated with an erbium doped fiber amplifier(EDFA) to enhance the efficiency.
    Type: Application
    Filed: June 4, 2001
    Publication date: May 23, 2002
    Inventors: Wang-Yuhl Oh, Joon-Hak Bang, Sang-Soo Lee, Hyun-Jae Lee, Je-Soo Ko, Wan-Seok Seo