Patents by Inventor Chang Eun Lee
Chang Eun Lee 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: 20190181227Abstract: A PLDMOS transistor includes a substrate, a P-type drift region disposed on an upper surface of the substrate, a first body region of N-type conductivity, the first body region being disposed on one side of the drift region and having a channel region formed thereon, a drain extension region of P-type conductivity, the drain extension region being disposed on another side of the drift region and being spaced apart from the first body region, a P-type drain region disposed on the drain extension region, a gate structure disposed on the channel region, an N-type buried layer disposed under the drift region and first and second breakdown voltage increasing layers being configured to increase the breakdown voltage by providing reduced surface fields.Type: ApplicationFiled: December 13, 2018Publication date: June 13, 2019Inventor: Chang Eun LEE
-
Patent number: 9606543Abstract: Provided are a method and a control apparatus for cooperative cleaning using multiple cleaning robots, including monitoring an overall cleaning condition of an extensive space and automatically assigning multiple cleaning robots to a space required to be cleaned, and when a cleaning area is fixed based on a cooperative cleaning method, data on an amount of garbage generated from the cleaning area or a cleaning condition of the cleaning area may be accumulated to facilitate easier management of the cleaning.Type: GrantFiled: April 16, 2014Date of Patent: March 28, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seo Hyun Jeon, Min Su Jang, Dae Ha Lee, Chang Eun Lee, Hyun Ja Im, Young Jo Cho, Jae Hong Kim, Jong Hyun Park
-
Patent number: 9588225Abstract: Disclosed are an apparatus for measuring position of other apparatus and a method for the same. The apparatus may comprise at least one light emitting part transmitting a photo signal, at least one light receiving part receiving a photo signal transmitted from other apparatus, and a signal processing part controlling the at least one light emitting part to transmit the photo signal including identification information of itself, acquiring identification information of the other apparatus based on the photo signal received from the other apparatus, and acquiring a positional information of the other apparatus based on the acquired identification information of the other apparatus. Thus, the apparatus located in an arbitrary space may accurately acquire relative positional information of counterpart apparatuses.Type: GrantFiled: January 21, 2014Date of Patent: March 7, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seo Hyun Jeon, Min Su Jang, Dae Ha Lee, Chang Eun Lee, Hyun Ja Im, Young Jo Cho, Jae Hong Kim, Jong Hyun Park
-
Patent number: 9307345Abstract: Disclosed is a snake robot for exploration and disclosed is a separable module type snake robot that configures an ad-hoc mesh network by separating a body part into multiple mobile relay modules according to a propagation situation to seamlessly transmit image information to a remote control center.Type: GrantFiled: August 5, 2014Date of Patent: April 5, 2016Assignee: Electronics and Telecommunications Research InstituteInventors: Chang Eun Lee, Sung Hoon Kim, Jong Hyun Park
-
Patent number: 9261578Abstract: An apparatus for creating a radio map includes a radio signal acquiring unit that acquires information on radio signals between one or more cooperative intelligent robots, a radio environment modeling unit that estimates radio strength for each cell configuring the radio map from the information on radio signals acquired by the radio signal acquiring unit, and a radio map creating unit that classifies a communication region of each cell and models the radio map according to the radio strength for each cell estimated by the radio environment modeling unit.Type: GrantFiled: September 4, 2013Date of Patent: February 16, 2016Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hyun-Ja Im, Chang-Eun Lee, Min-Su Jang, Dae-Ha Lee, Seo-Hyun Jeon, Young-Jo Cho, Sung-Hoon Kim, Jong-Hyun Park
-
Publication number: 20150197015Abstract: Disclosed is a snake robot for exploration and disclosed is a separable module type snake robot that configures an ad-hoc mesh network by separating a body part into multiple mobile relay modules according to a propagation situation to seamlessly transmit image information to a remote control center.Type: ApplicationFiled: August 5, 2014Publication date: July 16, 2015Inventors: Chang Eun LEE, Sung Hoon KIM, Jong Hyun PARK
-
Publication number: 20150148951Abstract: Provided are a method and a control apparatus for cooperative cleaning using multiple cleaning robots, including monitoring an overall cleaning condition of an extensive space and automatically assigning multiple cleaning robots to a space required to be cleaned, and when a cleaning area is fixed based on a cooperative cleaning method, data on an amount of garbage generated from the cleaning area or a cleaning condition of the cleaning area may be accumulated to facilitate easier management of the cleaning.Type: ApplicationFiled: April 16, 2014Publication date: May 28, 2015Applicant: Electronics and Telecommunications Research InstituteInventors: Seo Hyun JEON, Min Su JANG, Dae Ha LEE, Chang Eun LEE, Hyun Ja IM, Young Jo CHO, Jae Hong KIM, Jong Hyun PARK
-
Patent number: 8977409Abstract: An unmanned surveillance device includes a robot control terminal configured to be loaded within a remote control robot under a surveillance environment, collect state information and surrounding circumstance information, operate the remote control robot in driving mode or surveillance mode according to a remote control command corresponding to the state information and surrounding circumstance information. Further, the unmanned surveillance device includes a remote control system configured to receive the state information and the surrounding circumstance information of the remote control robot from the robot control terminal, output the received state information and surrounding circumstance information of the remote control robot, and provide the remote control command to the robot control terminal.Type: GrantFiled: December 6, 2012Date of Patent: March 10, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Chang Eun Lee, Hyun Kyu Cho, Sung Hoon Kim, Beom-Su Seo
-
Publication number: 20150061935Abstract: A method of modeling a radio wave environment, the method being executed by a radio wave environment modeling apparatus using a group of intelligent robots includes measuring an intensity of radio waves received from at least one follower robot; measuring a distance between the at least one follower robot and a leader robot that belongs to the group of intelligent robots; and estimating an environment parameter using a wave model. Further, the method includes classifying the environment parameter estimated from at least one lattice by comparing the estimated environment parameter with predetermined environment parameters; and analogizing an intensity of radio waves of the at least one follower robot that are received from the at least one lattice.Type: ApplicationFiled: January 24, 2014Publication date: March 5, 2015Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hyun-ja IM, Chang Eun LEE, Min Su JANG, Daeha LEE, Seohyun JEON, Young-Jo CHO, Sung Hoon KIM, Jong-Hyun PARK
-
Publication number: 20140246714Abstract: An image sensor and method of manufacturing the same are provided. The image sensor can include a pixel array region having an active pixel area and a dark pixel area surrounding the active pixel area. A dark shield can be formed in the dark pixel area to inhibit light. Dark pixels can be provided under the dark shield. The dark shield can include a thin film including silicon chromium (SiCr).Type: ApplicationFiled: March 14, 2013Publication date: September 4, 2014Applicant: DONGBU HITEK CO., LTD.Inventor: Chang Eun LEE
-
Patent number: 8812156Abstract: Provided is a method including receiving information on a surrounding situation detected by the mobile robot; detecting birds from the received surrounding situation information; allocating a birds control mission to the mobile robot by extracting a birds control pattern corresponding to the surrounding situation; and verifying a result in accordance with performing the allocated birds control mission from the mobile robot. By controlling the birds so as to, in advance, prevent a loss of lives and economical loss which may be caused when the birds collide with airplanes at the airport, it is possible to improve productivity and efficiency of a birds repelling job in an airport and provide construction of a new type of aviation maintenance business model by activating an air traffic control industry through providing a safer airplane operating model while saving operating personnel costs for preventing collision of birds.Type: GrantFiled: May 6, 2010Date of Patent: August 19, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Chang-Eun Lee, Beom-Su Seo, Joong-Bae Kim, Sung-Hoon Kim, Myung-Chan Roh, Jae-Min Byun, Kyeong-Ho Lee
-
Patent number: 8796104Abstract: A semiconductor device and a method of manufacturing the same are disclosed. The semiconductor device includes a first insulation layer on or over a semiconductor substrate, metal patterns on or over the first insulation layer, a thin film resistor pattern disposed on or over the metal patterns, and an anti-reflection layer between the thin film resistor pattern and the metal patterns.Type: GrantFiled: April 27, 2012Date of Patent: August 5, 2014Assignee: Dongbu Hitek Co., Ltd.Inventor: Chang Eun Lee
-
Publication number: 20140203197Abstract: Disclosed are an apparatus for measuring position of other apparatus and a method for the same. The apparatus may comprise at least one light emitting part transmitting a photo signal, at least one light receiving part receiving a photo signal transmitted from other apparatus, and a signal processing part controlling the at least one light emitting part to transmit the photo signal including identification information of itself, acquiring identification information of the other apparatus based on the photo signal received from the other apparatus, and acquiring a positional information of the other apparatus based on the acquired identification information of the other apparatus. Thus, the apparatus located in an arbitrary space may accurately acquire relative positional information of counterpart apparatuses.Type: ApplicationFiled: January 21, 2014Publication date: July 24, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Seo Hyun JEON, Min Su JANG, Dae Ha LEE, Chang Eun LEE, Hyun Ja IM, Young Jo CHO, Jae Hong KIM, Jong Hyun PARK
-
Publication number: 20140195049Abstract: An apparatus for creating a radio map includes a radio signal acquiring unit that acquires information on radio signals between one or more cooperative intelligent robots, a radio environment modeling unit that estimates radio strength for each cell configuring the radio map from the information on radio signals acquired by the radio signal acquiring unit, and a radio map creating unit that classifies a communication region of each cell and models the radio map according to the radio strength for each cell estimated by the radio environment modeling unit.Type: ApplicationFiled: September 4, 2013Publication date: July 10, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Hyun-Ja IM, Chang-Eun LEE, Min-Su JANG, Dae-Ha LEE, Seo-Hyun JEON, Young-Jo CHO, Sung-Hoon KIM, Jong-Hyun PARK
-
Patent number: 8761934Abstract: A system achieves seamless localization for a plurality of robots when first some robots moves to a shadow area where GPS signals are not received while remaining second robots receives the GPS signals, by performing an absolute localization for the second robots using the GPS signals; and performing an absolute localization for the second robots using the GPS signals; performing a relative localization for the first robots based on the second robots, thereby determining an absolute location of the first robots. Further, when the second robots move to the shadow area where the first robots have been moved, the system performs the seamless localization by determining a relative location of the second robots based on the first robots on which the relative localization has been performed, thereby determining an absolute location of the second robots based on the relative location of the second robots.Type: GrantFiled: December 16, 2011Date of Patent: June 24, 2014Assignees: Electronics and Telecommunications Research Institute, The Industry & Academic Cooperation in Chungnam National UniversityInventors: Chang Eun Lee, Tae-Kyung Sung, Sung Hoon Kim, Hyun-Ja Im, Young-Jo Cho
-
Patent number: 8643143Abstract: Provided is a semiconductor device including a metal dummy pattern and a thin film resistor. In detail, a semiconductor device includes a semiconductor substrate, a thin film resistor, and a metal dummy pattern. The thin film resistor disposed over the semiconductor substrate and extending in a first direction relative to the semiconductor substrate. The metal dummy pattern disposed between the semiconductor substrate and the thin film resistor, the metal dummy pattern including a reflective pattern extending in the first direction semiconductor substrate and spatially corresponding to a periphery of the thin film resistor.Type: GrantFiled: January 20, 2012Date of Patent: February 4, 2014Assignee: Dongbu HiTek Co., Ltd.Inventor: Chang Eun Lee
-
Publication number: 20130322690Abstract: A situation recognition apparatus and method analyzes an image to convert a position and motion change rate of an object in a space and an object number change rate into energy information, and then changes the energy information into entropy in connection with an entropy theory of a measurement theory of a disorder within a space. Accordingly, the situation recognition apparatus and method recognizes an abnormal situation in the space and issues a warning for the recognized abnormal situation. Therefore, the situation recognition apparatus and method recognizes an abnormal situation within a space, thereby effectively preventing or perceiving a real-time incident at an early stage.Type: ApplicationFiled: May 27, 2013Publication date: December 5, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Chang Eun LEE, Hyun Kyu CHO, Sung Hoon KIM
-
Publication number: 20130234287Abstract: A high-precision capacitor includes a first degenerately doped polysilicon plate, a second degenerately doped polysilicon plate, and a dielectric material disposed between the first and the second degenerately doped polysilicon plates. The first degenerately doped polysilicon plate may be formed by performing POCL (phosphorus oxychloride) diffusion, and performing ion implantation through the POCL oxide to replenish the loss of dopants. The second degenerately doped polysilicon plate may be formed by performing POCL doping. The high-precision capacitor may exhibit a voltage coefficient of capacitance (VCC) comparable to a Metal-Insulator-Metal capacitor, however, with a dielectric of higher quality.Type: ApplicationFiled: May 3, 2012Publication date: September 12, 2013Applicant: Dongbu HiTek Co., Ltd.Inventors: Badih EL-KAREH, JONG HO LEE, DONGSEOK KIM, CHANG EUN LEE, Jung-Joo KIM
-
Patent number: 8531003Abstract: Provided is a semiconductor device. The semiconductor device includes a first insulation layer on a semiconductor substrate, the first insulation layer including a lower metal line, a metal head pattern on the first insulation layer, the metal head pattern including an inclined side surface, a thin film resistor pattern on the metal head pattern, a second insulation layer on the metal head pattern and the thin film resistor pattern, an upper metal line on the second insulation layer, a first via connecting the lower metal line to the upper metal line, and a second via connecting the metal head pattern to the upper metal line.Type: GrantFiled: May 14, 2012Date of Patent: September 10, 2013Assignee: Dongbu Hitek Co., Ltd.Inventor: Chang Eun Lee
-
Publication number: 20130093054Abstract: A semiconductor device and a method of manufacturing the same are disclosed. The semiconductor device includes a first insulation layer on or over a semiconductor substrate, metal patterns on or over the first insulation layer, a thin film resistor pattern disposed on or over the metal patterns, and an anti-reflection layer between the thin film resistor pattern and the metal patterns.Type: ApplicationFiled: April 27, 2012Publication date: April 18, 2013Inventor: Chang Eun LEE