Patents by Inventor Tae In Hwang

Tae In Hwang 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: 10395324
    Abstract: The present invention related to an apparatus and a method for calculating basic electricity charges, being capable of periodically collecting electricity usage information for each household by using a smart meter provided in an aggregate building in which power reception equipment is installed, calculating the monthly or yearly maximum demand power for each household using the collected electricity usage information, and then, automatically calculating the basic electricity charges for each household with respect to the basic electricity charges of an entire aggregate building in consideration of the calculated maximum demand power for each household obtained and a ratio of ownership shares for each household based on the ownership shares for each resident household.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: August 27, 2019
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Tae In Hwang, Il Woo Lee
  • Patent number: 10281508
    Abstract: An apparatus for automated electricity demand response based on online trading of demand side resources. The apparatus includes a communication unit, a demand response management system, an utility grid management system, and a demand response resources in use; a database; and a demand response processing unit configured to receive an electricity demand reduction instruction message according to a certain demand response service contract condition in the demand response management system.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: May 7, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Tae In Hwang, Il Woo Lee
  • Publication number: 20170205865
    Abstract: Disclosed herein are an apparatus and method for energy storage virtualization. The apparatus for energy storage virtualization includes a virtual energy storage contract interface unit for processing or supporting conclusion of a contract of virtual energy storage, a virtual energy storage operation information service interface unit for managing information about mapping of physical energy storage devices to the virtual energy storage, and managing information about operation/management and settlement of the virtual energy storage, an energy storage virtualization main process unit for performing a function of controlling charge/discharge of the virtual energy storage and a function of settling profit derived from operation of the virtual energy storage, and an energy storage device control interface unit for performing interfacing so that the main process unit and the physical energy storage devices are operated in conjunction with each other to transmit and receive signals therebetween.
    Type: Application
    Filed: January 19, 2017
    Publication date: July 20, 2017
    Inventors: Tae-In HWANG, Il-Woo LEE
  • Publication number: 20170206614
    Abstract: Disclosed herein is a system for trading power of distributed energy resources, which includes a utility provider electricity meter for measuring an amount of power consumed by a consumer; a distributed resource electricity meter for measuring an amount of power generated by distributed energy resources on the premises of the consumer; and a distributed resource power trade device for calculating an actual amount of power, generated by the distributed energy resources on the premises of the consumer, and comparing same with a contracted amount of power, using measurement data about the amount of generated power, read from the distributed resource electricity meter, and measurement data, read from the utility provider electricity meter.
    Type: Application
    Filed: January 19, 2017
    Publication date: July 20, 2017
    Inventors: Tae-In HWANG, Il-Woo LEE
  • Publication number: 20160314481
    Abstract: An apparatus for automated electricity demand response based on online trading of demand side resources. The apparatus includes a communication unit, a demand response management system, an utility grid management system, and a demand response resources in use, a database; and a demand response processing unit configured to receive an electricity demand reduction instruction message according to a certain demand response service contract condition in the demand response management system.
    Type: Application
    Filed: April 7, 2016
    Publication date: October 27, 2016
    Inventors: Tae In HWANG, Il Woo LEE
  • Publication number: 20160117784
    Abstract: The present invention related to an apparatus and a method for calculating basic electricity charges, being capable of periodically collecting electricity usage information for each household by using a smart meter provided in an aggregate building in which power reception equipment is installed, calculating the monthly or yearly maximum demand power for each household using the collected electricity usage information, and then, automatically calculating the basic electricity charges for each household with respect to the basic electricity charges of an entire aggregate building in consideration of the calculated maximum demand power for each household obtained and a ratio of ownership shares for each household based on the ownership shares for each resident household.
    Type: Application
    Filed: October 27, 2015
    Publication date: April 28, 2016
    Inventors: Tae In HWANG, Il Woo LEE
  • Publication number: 20150120270
    Abstract: Disclosed are an apparatus and method for automating a smart grid interoperability test and verification. It is possible to allow a tester to easily establish a test environment needed to test a CIM interoperability by providing a function that allows a tester to directly set and create a test node, a CIM test sequence, and a test sequence metadata, and it is also possible to reduce time and cost taken to test and verify the CIM interoperability by automatically compare and analyze a CIM message monitored in an actual test process with CIM message metadata set in a test scenario creation stage.
    Type: Application
    Filed: May 2, 2014
    Publication date: April 30, 2015
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Tae In HWANG, Il Woo LEE
  • Publication number: 20140115336
    Abstract: A method for provisioning home energy management services includes supplying a service user with a list of home energy management services; and transmitting a request to subscribe to a service to a home energy management service provider server on a communication network. Further, the method includes performing an authentication with the home energy management service provider server and receiving a secret key for encryption and decryption of a message that is transmitted and received for the service; searching for home energy devices on a home network and transmitting a list of searched home energy devices to the home energy management service provider server; and sending the message received from the home energy management service provider server to the same home energy devices.
    Type: Application
    Filed: August 27, 2013
    Publication date: April 24, 2014
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: TAE IN HWANG, IL WOO LEE
  • Patent number: 8589685
    Abstract: The apparatus for dynamic update of a software-based IPTV conditional access system includes: a server master key manager managing a master key and encrypting a conditional access code ID; a conditional access server manager generating and managing a server list, linking and storing an update policy with the conditional access server IDs included in the server list, and controlling execution of the conditional access server; and a conditional access code download server generating an ID map of set of conditional access codes by combining the plurality of conditional access codes and the plurality of conditional access code IDs that are encrypted, and transmitting the ID map of set of conditional access codes and the conditional access code to a receiver.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: November 19, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jin-Young Moon, Moon-Ok Choi, Tae-In Hwang, Eul-Hyun Paik, Kwang-Roh Park
  • Publication number: 20130166479
    Abstract: A method and apparatus for calculating energy revenues of electric power devices based on real time pricing is provided. The energy revenue calculating apparatus may synchronize time between the energy revenue calculating apparatus and at least one of a real time energy pricing information providing server and a time information providing server, based on time information received from at least one of the real time energy pricing information providing server and the time information providing server, synchronize an energy sale price stored in the energy revenue calculating apparatus with an energy sale price, based on energy sale price information received from the real time energy pricing information providing server, and calculate energy revenues for a predetermined time period, based on the received energy sale price information and information about an amount of energy that flows into and out of the plurality of electric power devices.
    Type: Application
    Filed: September 12, 2012
    Publication date: June 27, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Tae In HWANG, Il WOO LEE
  • Publication number: 20130166428
    Abstract: Provided is an apparatus and method for performing time synchronization based automated power trading for a real time pricing system. The power trading apparatus may include a time synchronizing unit to synchronize at least one of a power market server, a smart meter, and a time information to provide the power market server with time, a power purchasing and selling price monitoring unit to receive power purchasing and selling price information from the power market server to monitor power purchasing and selling prices that change in real time and to compare the power purchasing and selling prices to predetermined reference prices for power trading, and an inverter and power storage apparatus controller to controlling power conversion of an inverter, and charging and discharging of a power storage apparatus to purchase and sell power at the reference prices.
    Type: Application
    Filed: September 11, 2012
    Publication date: June 27, 2013
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Tae In HWANG, Il Woo Lee
  • Patent number: 8146482
    Abstract: A hydraulic circuit having a holding valve of an external pilot pressure operation type is provided, which can make a double check valve, which is installed to prevent an actuator from being pushed due to leakage of hydraulic fluid of a main control valve, be opened by an external signal pressure being supplied to shift the main control valve. The hydraulic circuit includes a double check valve installed in a flow path between the main control valve and the hydraulic cylinder to be opened by the pilot signal pressure for shifting the main control valve, and preventing the hydraulic cylinder from being moved due to leakage of hydraulic fluid of the main control valve, and a select valve shifted to open the double check valve in response to the pilot signal pressure being supplied in accordance with the manipulation of the joystick.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: April 3, 2012
    Assignee: Volvo Construction Equipment Holding Sweden AB
    Inventor: Tae In Hwang
  • Patent number: 8031641
    Abstract: Provided is a method and system for streaming multimedia data between hetero UPnP networks configured of a private network. The method comprises establishing a communication channel with a relay peer; establishing a virtual communication channel with a specific extensible home connector selected from a plurality of extensible home connectors connected with the relay peer; searching multimedia data to play from multimedia data in the specific extensible home connector which exists on the UPnP network through the virtual communication channel; establishing a communication environment through the UPnP internet gateway of the specific extensible home connector in case of demanding play of the searched multimedia data; and receiving multimedia data from the specific extensible home connector through the communication environment.
    Type: Grant
    Filed: August 7, 2008
    Date of Patent: October 4, 2011
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Tae-In Hwang, Ho-Jin Park, Hae-Ryong Lee, Kwang-Rho Park
  • Patent number: 8001220
    Abstract: A dynamic user interface (UI) system and method is provided for remote controlling of a legacy device, which is not compatible with a peer-to-peer (P2P) middleware, through a P2P network. The dynamic UI system of the present includes at least one legacy device, a proxy for registering and managing the at least one legacy device and supporting a dynamic remote control user interface using a multi legacy device control protocol, and an edge peer for downloading the dynamic remote control user interface from the proxy and requesting control of the at least one legacy device to the proxy.
    Type: Grant
    Filed: August 6, 2008
    Date of Patent: August 16, 2011
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sang-Bong Lee, Moon-Ok Choi, Tae-In Hwang, Byeong-Thaek Oh, Shin-Yuk Kang, Ho-Jin Park, Hae-Ryong Lee
  • Patent number: 7987153
    Abstract: An apparatus and method for automatically migrating user's working data by using automatic work data migration apparatuses connected respectively to work devices. In the method, the automatic work data migration apparatus detects that the user leaves or accesses the work device. User work data related to the work device are collected and the collected user work data stored in the automatic work data migration apparatus, if it is detected that the user leaves the work device. The storage location information of the user work data is provided to another automatic work data migration apparatuses connected to the automatic work data migration apparatus. The automatic work data migration apparatus searches the storage location information of the user work data if it is detected that the user accesses the work device. The automatic work data migration apparatus connected to the work device accessed by the user receives the user work data related to a work executed in the previous work device.
    Type: Grant
    Filed: February 26, 2007
    Date of Patent: July 26, 2011
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Tae In Hwang, Ho Jin Park, Kwang Roh Park
  • Publication number: 20110145876
    Abstract: Disclosed is an apparatus for purchase and delivery of entitlement in an IPTV broadcast system according to an embodiment of the present invention that includes: an entitlement purchase environment provider providing a charged broadcast contents list to the purchaser so that the purchaser can select delivery target contents and providing an IPTV broadcasting service subscriber list to the purchaser so that the purchaser can select one or more entitlement delivery target subscribers to which the entitlement for the delivery target contents is delivered; an entitlement generator receiving information on the delivery target contents from the entitlement purchase environment provider, and then generating the entitlement for corresponding broadcast contents; and an entitlement transmitter delivering the entitlement for the delivery target contents to IPTV settop boxes of the entitlement delivery target subscribers on the basis of information on the entitlement delivery target subscribers.
    Type: Application
    Filed: December 9, 2010
    Publication date: June 16, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Moon-Ok CHOI, Shin-Yuk Kang, Tae-In Hwang, Jong-Youl Park, Jin-Young Moon, Eui-Hyun Paik
  • Publication number: 20110131413
    Abstract: The apparatus for dynamic update of a software-based IPTV conditional access system includes: a server master key manager managing a master key and encrypting a conditional access code ID; a conditional access server manager generating and managing a server list, linking and storing an update policy with the conditional access server IDs included in the server list, and controlling execution of the conditional access server; and a conditional access code download server generating an ID map of set of conditional access codes by combining the plurality of conditional access codes and the plurality of conditional access code IDs that are encrypted, and transmitting the ID map of set of conditional access codes and the conditional access code to a receiver.
    Type: Application
    Filed: October 13, 2010
    Publication date: June 2, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jin-Young MOON, Moon-Ok Choi, Tae-In Hwang, Eul-Hyun Paik, Kwang-Roh Park
  • Publication number: 20110131623
    Abstract: A settop box based on an IPTV according to an embodiment of the present invention includes: a home network interface communicating with one or more mobile terminals; a terminal profile manager acquiring and managing a terminal profile from a mobile terminal connected through the home network interface; a contents converter converting contents received from an external contents server through an external network to mobile contents suitable for the corresponding mobile terminal on the basis of the acquired terminal profile; a contents storage storing the contents converted by the contents converter; and a transmitting/receiving controller performing a processing operation to extract the mobile contents stored in the contents storage and transmit the extracted mobile contents to the mobile terminal through the home network interface in accordance with a request from a user.
    Type: Application
    Filed: September 14, 2010
    Publication date: June 2, 2011
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Shin-Yuk KANG, Tae-In Hwang, Moon-Ok Choi, Jong-Youl Park, Jin-Young Moon, Eui-Hyun Paik
  • Patent number: 7664786
    Abstract: An apparatus and method for managing application context is provided. A first one of a plurality of terminals, each including at least one application, collects and transmits context information of the application to a migration server so that it is stored and managed in the migration server. The migration server transmits the stored and managed context information to a second terminal corresponding to the first terminal in response to a request of the second terminal. The second terminal restores context based on the context information received from the migration server. This can reproduce the same application and desktop environments as those previously set to be suitable for each work situation, thereby increasing user convenience.
    Type: Grant
    Filed: November 20, 2006
    Date of Patent: February 16, 2010
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Byeong Thaek Oh, Ho Jin Park, Tae In Hwang
  • Patent number: RE45729
    Abstract: An apparatus and method for managing application context is provided. A first one of a plurality of terminals, each including at least one application, collects and transmits context information of the application to a migration server so that it is stored and managed in the migration server. The migration server transmits the stored and managed context information to a second terminal corresponding to the first terminal in response to a request of the second terminal. The second terminal restores context based on the context information received from the migration server. This can reproduce the same application and desktop environments as those previously set to be suitable for each work situation, thereby increasing user convenience.
    Type: Grant
    Filed: February 15, 2012
    Date of Patent: October 6, 2015
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Byeong Thaek Oh, Ho Jin Park, Tae In Hwang