Patents by Inventor Kwang-Joo Choi
Kwang-Joo 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).
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Patent number: 11939494Abstract: A technical problem to be achieved by the present disclosure is to provide an adhesive resin composition for a conductor, which contains inorganic fillers having different average particle diameters and has enhanced thermal conductivity as a result of controlling the content of the inorganic fillers, and an adhesive film for a semiconductor produced using the same.Type: GrantFiled: August 17, 2021Date of Patent: March 26, 2024Assignee: LG CHEM, LTD.Inventors: Jong Min Jang, Byoung Ju Choi, Kwang Joo Lee, Yu Lin Sun
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Patent number: 10868359Abstract: The present disclosure provides a hybrid vehicle on board unit for supporting WAVE-V2X and C-V2X or a vehicle on board unit and a roadside unit supporting both WAVE-V2X and LTE-V2X or a vehicle on board unit and a roadside unit supporting all of WAVE-V2X, LTE-V2X and 5G-V2X or a vehicle on board unit and a roadside unit supporting WAVE-V2X, LTE-V2X, 5G-V2X and LTE communication or a vehicle on board unit and a roadside unit supporting WAVE-V2X, LTE-V2X, 5G-V2X, LTE communication and 5G communication.Type: GrantFiled: March 12, 2019Date of Patent: December 15, 2020Assignee: IT-TELECOM CO., LTD.Inventors: Beom Jun Sohn, Kwang Joo Choi
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Publication number: 20190296426Abstract: The present disclosure provides a hybrid vehicle on board unit for supporting WAVE-V2X and C-V2X or a vehicle on board unit and a roadside unit supporting both WAVE-V2X and LTE-V2X or a vehicle on board unit and a roadside unit supporting all of WAVE-V2X, LTE-V2X and 5G-V2X or a vehicle on board unit and a roadside unit supporting WAVE-V2X, LTE-V2X, 5G-V2X and LTE communication or a vehicle on board unit and a roadside unit supporting WAVE-V2X, LTE-V2X, 5G-V2X, LTE communication and 5G communication.Type: ApplicationFiled: March 12, 2019Publication date: September 26, 2019Applicant: IT-Telecom Co., Ltd.Inventors: Beom Jun Sohn, Kwang Joo Choi
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Patent number: 7954398Abstract: A common use pedal device for automotive vehicles comprises a base plate and a pedal pivotably attached to the base plate and having a push rod extending downwards from an underneath surface of the pedal. A rotating member is mounted to the base plate in such a manner that the rotating member can be depressed and rotated by the push rod of the pedal, the rotating member having a pulling arm adapted to pull a manual operating cable in response to rotation of the rotating member. A rotation detecting sensor is provided on one side of the base plate for detecting the degree of rotation of the rotating member and then notifying an electronic control unit of the degree of rotation thus detected. This pedal device can be employed in common in a manually controlled pedal type vehicle and an electronically controlled pedal type vehicle.Type: GrantFiled: December 23, 2005Date of Patent: June 7, 2011Assignee: Doosan Infracore Co., Ltd.Inventors: Sang Heon Lee, Kwang Joo Choi
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Patent number: 6804516Abstract: A transportation information system is disclosed, having a transportation terminal that transmits a transportation information request with a Dedicated Short Range Communication (DSRC) method, receives a transportation information reply corresponding to the transportation information request with the DSRC method, and provides the transportation information reply to a transportation subscriber. An Advanced Traveler Information Service (ATIS) terminal transmits a traveler information request with the DSRC method, receives a traveler information reply corresponding to the traveler information request with the DSRC method, and provides the traveler information reply to an ATIS subscriber. A base station communicates with the transportation terminal and the ATIS terminal through a two way DSRC communication.Type: GrantFiled: October 25, 2001Date of Patent: October 12, 2004Assignee: LG Electronics, Inc.Inventor: Kwang-Joo Choi
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Patent number: 6756915Abstract: A geographic information service system is disclosed, having a geographic information supply server that supplies geographic information by certain regions; an Electronic Toll Collection (ETC) terminal that transmits registration information service requests and geographic information service requests from a vehicle; a Dedicated Short Range Communication (DSRC) base station that communicates bi-directionally with the ETC terminal by a DSRC method; and a DSRC server in communication with the DSRC base station that analyzes a message transmitted from the DSRC base station and supplies a requested geographic information service by communicating with the geographic information supply server.Type: GrantFiled: October 25, 2001Date of Patent: June 29, 2004Assignee: LG Electronics Inc.Inventor: Kwang-Joo Choi
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Patent number: 6665279Abstract: Disclosed is a local multipoint distribution service(LMDS) system, in which the cost for installation and maintenance is lower comparing to a cable communication system, it takes a little time to install the system, and a variety multimedia communication services can be provided. According to one feature of the present invention, the LMDS system comprises a data/signal handler for multiplexing and modulating packet data received from a network, and for demodulating and demultiplexing an optical signal received; and at least one base stations for down-converting the multiplexed and modulated packet data into a radio frequency(RF) signal, and for converting an RF signal received into an optical signal so as to send to the data/signal handler.Type: GrantFiled: December 31, 1998Date of Patent: December 16, 2003Assignee: LG Information & Communications, Ltd.Inventors: Ok Moon Kwak, Kwang Joo Choi
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Patent number: 6650374Abstract: The present invention relates to a digital television relay system for relaying wirelessly a broadcasting signal discharged from a broadcasting station. In order to cover shadow areas of the digital broadcasting channel signal discharged from a digital television transmitter, the present invention receives the broadcasting channel signal of a certain frequency discharged from the broadcasting station, performs channel-decoding, compensates a transmission error occurred in space, and relays it wirelessly to a subscriber in the shadow areas. Accordingly, the present invention can provide a digital television broadcasting service with transmission quality same with the broadcasting station to the subscriber in the shadow areas.Type: GrantFiled: December 19, 2000Date of Patent: November 18, 2003Assignee: LG Electronics Inc.Inventors: Kwang-Joo Choi, Seong-Hwan Oh, Cheol Lee, Byung-Heon Lee
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Publication number: 20020080048Abstract: A geographic information service system is disclosed, having a geographic information supply server that supplies geographic information by certain regions; an Electronic Toll Collection (ETC) terminal that transmits registration information service requests and geographic information service requests from a vehicle; a Dedicated Short Range Communication (DSRC) base station that communicates bi-directionally with the ETC terminal by a DSRC method; and a DSRC server in communication with the DSRC base station that analyzes a message transmitted from the DSRC base station and supplies a requested geographic information service by communicating with the geographic information supply server.Type: ApplicationFiled: October 25, 2001Publication date: June 27, 2002Applicant: LG Electronics Inc.Inventor: Kwang-Joo Choi
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Publication number: 20020072365Abstract: A transportation information system is disclosed, having a transportation terminal that transmits a transportation information request with a Dedicated Short Range Communication (DSRC) method, receives a transportation information reply corresponding to the transportation information request with the DSRC method, and provides the transportation information reply to a transportation subscriber. An Advanced Traveler Information Service (ATIS) terminal transmits a traveler information request with the DSRC method, receives a traveler information reply corresponding to the traveler information request with the DSRC method, and provides the traveler information reply to an ATIS subscriber. A base station communicates with the transportation terminal and the ATIS terminal through a two way DSRC communication.Type: ApplicationFiled: October 25, 2001Publication date: June 13, 2002Applicant: LG Electronics Inc.Inventor: Kwang-Joo Choi
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Publication number: 20020072964Abstract: A parking charge settling apparatus includes an Electronic Toll Collection (ETC) terminal that stores registration information for parking charge settlement, analyzes the stored information, and transmits the registration information in a dedicated short range communication (DSRC) format; a vehicle sensor managing server that communicates with a vehicle sensor installed at a parking space to manage parking state information; a DRSC base station that communicates bi-directionally with the ETC terminal using the DSRC format, when a vehicle mounting the ETC terminal enters a predetermined range; a settlement center server that informs the vehicle entering the parking lot of an available parking space, computes a parking charge, and settles the parking charge with the ETC terminal; a first displayer that displays available parking space information received from the settlement center server; and a second displayer that displays the parking charge and whether the vehicle is allowed to pass.Type: ApplicationFiled: October 25, 2001Publication date: June 13, 2002Applicant: LG Electronics Inc.Inventor: Kwang-Joo Choi
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Publication number: 20010005234Abstract: The present invention relates to a digital television relay system for relaying wirelessly a broadcasting signal discharged from a broadcasting station. In order to cover shadow areas of the digital broadcasting channel signal discharged from a digital television transmitter, the present invention receives the broadcasting channel signal of a certain frequency discharged from the broadcasting station, performs channel-decoding, compensates a transmission error occurred in space, and relays it wirelessly to a subscriber in the shadow areas. Accordingly, the present invention can provide a digital television broadcasting service with transmission quality same with the broadcasting station to the subscriber in the shadow areas.Type: ApplicationFiled: December 19, 2000Publication date: June 28, 2001Applicant: LG Electronics Inc.Inventors: Kwang-Joo Choi, Seong-Hwan Oh, Cheol Lee, Byung-Heon Lee