Patents by Inventor Sang Chul Yoon
Sang Chul Yoon 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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Publication number: 20240100469Abstract: The present disclosure relates to a pressure swing adsorption apparatus for hydrogen purification from decomposed ammonia gas and a hydrogen purification method using the same, and more particularly, the pressure swing adsorption apparatus of the present disclosure includes a plurality of adsorption towers including a pretreatment unit and a hydrogen purification unit wherein the adsorption towers of the pretreatment unit and the hydrogen purification unit are packed with different adsorbents, thereby achieving high purity hydrogen purification from mixed hydrogen gas produced after ammonia decomposition, making it easy to replace the adsorbent for ammonia removal, minimizing the likelihood that the lifetime of the adsorbent in the hydrogen purification unit is drastically reduced by a very small amount of ammonia, and actively responding to a large change in ammonia concentration in the raw material.Type: ApplicationFiled: April 11, 2022Publication date: March 28, 2024Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Hyung-chul YOON, Sang-sup HAN, Hee-tae BEUM, Kanghee CHO, Sun Hyung KIM, Hyung Kuk JU
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Patent number: 9858635Abstract: An application processor includes a first scaler including a first vertical scaler and a first horizontal scaler, and a second scaler including a second vertical scaler and a second horizontal scaler, wherein the second vertical scaler is selectively shared between the first scaler and the second scaler in response to a determination of resolution for an image being processed.Type: GrantFiled: September 4, 2015Date of Patent: January 2, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Sang Chul Yoon, Seong Woon Kim, Sang Hoon Lee
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Publication number: 20160098812Abstract: An application processor includes a first scaler including a first vertical scaler and a first horizontal scaler, and a second scaler including a second vertical scaler and a second horizontal scaler, wherein the second vertical scaler is selectively shared between the first scaler and the second scaler in response to a determination of resolution for an image being processed.Type: ApplicationFiled: September 4, 2015Publication date: April 7, 2016Inventors: SANG CHUL YOON, SEONG WOON KIM, SANG HOON LEE
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Patent number: 7809786Abstract: An apparatus and method for remotely controlling household appliances connected to a home network. A power line and a network processor is installed in each household appliance, enabling a household appliance user to remotely control the appliances from a place outside of as well as inside a home. Information about all conditions of the household appliances can be displayed on a screen displayable household appliance so that the user can recognize the operations of the appliances even during spare moments. A low-price built-in server is installed in each household appliance to assign the corresponding appliance a unique IP address simply over the Internet to be controlled according to an external user control command. A home server is connected to each of the household appliances such that the corresponding appliance receives a control command, sent in transit by a user from a mobile terminal.Type: GrantFiled: March 22, 2005Date of Patent: October 5, 2010Assignee: LG Electronics Inc.Inventors: Sang Chul Yoon, Duck Goo Jeon, Gyeong Hae Han
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Patent number: 7661603Abstract: A central control system and method for controlling air conditioners. The central control system performs central control operations for the air conditioners according to an operation schedule or control command inputted from a central controller coupled to the air conditioners through an internal network or a remote controller accessible to an external Internet network. When the air conditioners are simultaneously operated, control signals based on the control command are adjusted to prevent electric power consumption from abruptly increasing and hence the stability and reliability of control can be improved. The central controller includes a touch screen-based monitor. A control program included in the central controller provides a timetable corresponding to a specified period. An operator can conveniently input/edit the operation schedule through a dragging operation performed on the monitor, and confirm the inputted/edited operation schedule.Type: GrantFiled: October 3, 2003Date of Patent: February 16, 2010Assignee: LG Electronics Inc.Inventors: Sang Chul Yoon, Duck Gu Jeon, Jae Sik Jung, Jae Hwan Kwon
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Patent number: 7256704Abstract: A system and method for controlling a plurality of home appliances provided in a building, wherein home appliance built-in communication modules are each adapted to convert information in an Ethernet standard format into that of a home appliance standard format and adapters are provided to connect the home appliance built-in communication modules to a phoneline network alliance (PNA) provided in the building to transmit and receive information therebetween. The home appliances can be controlled over a network using an existing telephone line. The adapters allow interconnection of the plurality of home appliances with no distance limitations.Type: GrantFiled: July 12, 2002Date of Patent: August 14, 2007Assignee: LG Electronics Inc.Inventors: Sang Chul Yoon, Duck Goo Jeon
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Patent number: 7003084Abstract: A telephone-controlled home appliance system and a method for controlling the same are provided. Thus, a remote user can remotely control a plurality of home appliances inside of a home using a remote telephone. A telephone control module is contained in each of the home appliances to detect ringing signals received over a telephone line. If the number of the detected ringing signals is equal to a predetermined reference value, each home appliance automatically enters an off-hook state to make a call connection with the remote telephone. Even though a plurality of telephone jacks are commonly connected to the telephone line and the home appliances are in turn connected to respective telephone jacks, the user can access the respective home appliances from a remote site to simultaneously/individually control them. Therefore, the plurality of home appliances can be remotely controlled over the telephone line in a simple manner.Type: GrantFiled: November 6, 2003Date of Patent: February 21, 2006Assignee: LG Electronics Inc.Inventors: Sang Chul Yoon, Duck Gu Jeon, Jae Sik Jung, Jae Hwan Kwon
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Patent number: 6956461Abstract: An apparatus and method for remotely controlling household appliances connected to a home network. A power line and a network processor is installed in each household appliance, enabling a household appliance user to remotely control the appliances from a place outside of as well as inside a home. Information about all conditions of the household appliances can be displayed on a screen displayable household appliance so that the user can recognize the operations of the appliances even during spare moments. A low-price built-in server is installed in each household appliance to assign the corresponding appliance a unique IP address simply over the Internet to be controlled according to an external user control command. A home server is connected to each of the household appliances such that the corresponding appliance receives a control command, sent in transit by a user from a mobile terminal.Type: GrantFiled: August 30, 2001Date of Patent: October 18, 2005Assignee: LG Electronics Inc.Inventors: Sang Chul Yoon, Duck Goo Jeon, Gyeong Hae Han
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Patent number: 6925360Abstract: An air conditioner control system and method that uses a telephone network is provided. A remote electronic device is connected to a plurality of air conditioners through the telephone network to input a control command to each of the air conditioners. A control program is run in the remote electronic device to register profile information for the air conditioners. The air conditioners are configured to transmit and receive signals over there telephone network. The remote electronic device is configured to input control commands to some or all of the air conditioners on the basis of the registered profile information. A control command input by a remote user is automatically transmitted to a corresponding one of the air conditioners with reference to the registered profile information of the corresponding air conditioner.Type: GrantFiled: November 6, 2003Date of Patent: August 2, 2005Assignee: LG Electronics Inc.Inventors: Sang Chul Yoon, Duck Gu Jeon, Jae Sik Jung, Jae Hwan Kwon
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Patent number: 6854660Abstract: An air conditioner control system and method uses a PSTN (Public Switched Telephone Network). The system allows a remote control operator to control a plurality of air conditioners through the PSTN by providing receiving modules connected to the air conditioners which have unique IDs assigned thereto and which all use same telephone line. In an electronic device, a control program is driven to control and monitor the air conditioners. A transmitting module connected to the electronic device converts and codes a control command signal into a DTMF (Dual Tone Multi-Frequency) signal, and transmits the DTMF signal through the PSTN to a receiving module connected to a corresponding air conditioner, so that the air conditioner can be remotely controlled.Type: GrantFiled: October 3, 2003Date of Patent: February 15, 2005Assignee: LG Electronics Inc.Inventors: Sang Chul Yoon, Duck Gu Jeon, Jae Sik Jung, Jae Hwan Kwon
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Publication number: 20040204793Abstract: An integrated controlled multi-air conditioner system comprising a plurality of groups of indoor units, a plurality of outdoor units connected with the indoor unit groups, respectively, at least one local control unit connected in common with the outdoor units over an internal network for controlling operations of the outdoor units, and a protocol conversion unit connected with the local control unit. The protocol conversion unit is adapted to convert different communication protocols of data transmitted and received between an external Internet network and the internal network into each other to transfer a control command received over the external Internet network to at least one of the outdoor units. The multi-air conditioner system can be efficiently controlled from the internal network and external Internet network, resulting in a reduction in manpower and time for air conditioner management.Type: ApplicationFiled: December 9, 2003Publication date: October 14, 2004Inventors: Sang Chul Yoon, Duck Gu Jeon, Jae Sik Jung, Jae Hwan Kwon
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Publication number: 20040114734Abstract: A telephone-controlled home appliance system and a method for controlling the same are provided. Thus, a remote user can remotely control a plurality of home appliances inside of a home using a remote telephone. A telephone control module is contained in each of the home appliances to detect ringing signals received over a telephone line. If the number of the detected ringing signals is equal to a predetermined reference value, each home appliance automatically enters an off-hook state to make a call connection with the remote telephone. Even though a plurality of telephone jacks are commonly connected to the telephone line and the home appliances are in turn connected to respective telephone jacks, the user can access the respective home appliances from a remote site to simultaneously/individually control them. Therefore, the plurality of home appliances can be remotely controlled over the telephone line in a simple manner.Type: ApplicationFiled: November 6, 2003Publication date: June 17, 2004Applicant: LG Electronics Inc.Inventors: Sang Chul Yoon, Duck Gu Jeon, Jae Sik Jung, Jae Hwan Kwon
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Publication number: 20040117069Abstract: A central control system and method is provided for controlling multiple air conditioners that include an outdoor device and a plurality of indoor devices. A central controller is connected through a dedicated line based on an air conditioner communication protocol to control the multiple air conditioners. The central controller is serially connected to a protocol converter for carrying out an Ethernet communication protocol conversion and an air conditioner communication protocol conversion. The central controller allows for remote control of the multiple air conditioners through an external Internet network based on the Ethernet communication protocol. Accordingly, data of different communication protocols are smoothly transmitted and received, and a stable control operation can be performed.Type: ApplicationFiled: November 7, 2003Publication date: June 17, 2004Applicant: LG Electronics Inc.Inventors: Sang Chul Yoon, Duck Gu Jeon, Jae Sik Jung, Jae Hwan Kwon
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Publication number: 20040107717Abstract: A central control system and method for controlling air conditioners. The central control system performs central control operations for the air conditioners according to an operation schedule or control command inputted from a central controller coupled to the air conditioners through an internal network or a remote controller accessible to an external Internet network. When the air conditioners are simultaneously operated, control signals based on the control command are adjusted to prevent electric power consumption from abruptly increasing and hence the stability and reliability of control can be improved. The central controller includes a touch screen-based monitor. A control program included in the central controller provides a timetable corresponding to a specified period. An operator can conveniently input/edit the operation schedule through a dragging operation performed on the monitor, and confirm the inputted/edited operation schedule.Type: ApplicationFiled: October 3, 2003Publication date: June 10, 2004Applicant: LG Electronics Inc.Inventors: Sang Chul Yoon, Duck Gu Jeon, Jae Sik Jung, Jae Hwan Kwon
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Publication number: 20040107024Abstract: An air conditioner control system and method that uses a telephone network is provided. A remote electronic device is connected to a plurality of air conditioners through the telephone network to input a control command to each of the air conditioners. A control program is run in the remote electronic device to register profile information for the air conditioners. The air conditioners are configured to transmit and receive signals over there telephone network. The remote electronic device is configured to input control commands to some or all of the air conditioners on the basis of the registered profile information. A control command input by a remote user is automatically transmitted to a corresponding one of the air conditioners with reference to the registered profile information of the corresponding air conditioner.Type: ApplicationFiled: November 6, 2003Publication date: June 3, 2004Applicant: LG Electronics Inc.Inventors: Sang Chul Yoon, Duck Gu Jeon, Jae Sik Jung, Jae Hwan Kwon
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Publication number: 20040068994Abstract: An air conditioner control system and method uses a PSTN (Public Switched Telephone Network). The system allows a remote control operator to control a plurality of air conditioners through the PSTN by providing receiving modules connected to the air conditioners which have unique IDs assigned thereto and which all use same telephone line. In an electronic device, a control program is driven to control and monitor the air conditioners. A transmitting module connected to the electronic device converts and codes a control command signal into a DTMF (Dual Tone Multi-Frequency) signal, and transmits the DTMF signal through the PSTN to a receiving module connected to a corresponding air conditioner, so that the air conditioner can be remotely controlled.Type: ApplicationFiled: October 3, 2003Publication date: April 15, 2004Applicant: LG Electronics Inc.Inventors: Sang Chul Yoon, Duck Gu Jeon, Jae Sik Jung, Jae Hwan Kwon
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Publication number: 20030018733Abstract: A system and method for controlling a plurality of home appliances installed in a building. A computing device is provided to set respective private IP addresses of the home appliances to connect the appliances to an internal Internet network equipped with a LAN line installed previously in the building, and communication modules are provided to store the set private IP addresses and convert/process information transmitted and received between the home appliances and the internet network appropriately to standards of the appliances and Internet network. An integrated network control process can be performed with respect to the home appliances with no use of high-price LAN cards or CPUs by simply installing the communication modules in the existing appliance constructions. Further, an integrated home appliance/network control system can be constructed at a reduced cost to simply control the plurality of home appliances.Type: ApplicationFiled: December 28, 2001Publication date: January 23, 2003Applicant: LG ELECTRONICS, INC.Inventors: Sang Chul Yoon, Duck Goo Jeon
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Publication number: 20030018776Abstract: A system and method for controlling a plurality of home appliances provided in a building, wherein home appliance built-in communication modules are each adapted to convert information in an Ethernet standard format into that of a home appliance standard format and adapters are provided to connect the home appliance built-in communication modules to a phoneline network alliance (PNA) provided in the building to transmit and receive information therebetween. The home appliances can be controlled over a network using an existing telephone line. The adapters allow interconnection of the plurality of home appliances with no distance limitations.Type: ApplicationFiled: July 12, 2002Publication date: January 23, 2003Applicant: LG Electronics Inc.Inventors: Sang Chul Yoon, Duck Goo Jeon
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Publication number: 20020073183Abstract: An apparatus and method for remotely controlling household appliances, wherein the household appliances are connected to a home network based on a power line and a network processor is installed in each of the household appliances, thereby enabling a household appliance user to remotely control the appliances from a place outside of his or her home as well as inside thereof. Further, information about all conditions of the household appliances can be displayed on a screen displayable one of the household appliances so that the user can recognize the operations of the appliances even during spare moments. Moreover, a low-price built-in server is installed in each of the household appliances such that the corresponding appliance is assigned a unique IP address simply over the Internet and controlled according to an external control command from the user.Type: ApplicationFiled: August 30, 2001Publication date: June 13, 2002Inventors: Sang Chul Yoon, Duck Goo Jeon, Gyeong Hae Han
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Patent number: 6133745Abstract: A socket type module test apparatus can eliminate the problems which are related to the unstable contact between pins and a module in a pin type module test apparatus. At the same time, the socket type module apparatus increases the module test productivity, in comparison with a manual module test using sockets. An embodiment of the present invention comprises a transportation unit for transporting modules; a test unit where the modules are loaded by the transportation unit and tested; and a main control unit for supervising a test procedure by providing test signals to the modules and sorting the module according to test result.Type: GrantFiled: October 20, 1998Date of Patent: October 17, 2000Assignee: Samsung Electronics Co., Ltd.Inventors: Jae Moon Yoon, Bae Ki Lee, Sang Chul Yoon