Lg Electronics Inc.

Koon-Seok Lee

Seung-Myun Baek

Yong-Tae Kim

Sam-Chul Ha

Ja-In Koo

Hwan-Jong Choi

Jeong-Hyun Lim

Sung-Hwan Kang

Feel-Young Koo

Dae-Woong Kim

Yoo-Sool Yoon

Seong-Hwan Kang

Sung-Hwan H-102 Lg Electronics Dormitory Kang

Provided are a cooker and a method of controlling the cooker. An image of food scanned by an image sensor is corrected, and thus, can be free from distortion due to a lighting device. Accordingly, a user can more accurately recognize a cooking state of the food.

Cooker and control method thereof

Provided are a cooker and a method of controlling the cooker. An image of food scanned by an image sensor is corrected, and thus, can be free from distortion due to vapor generated while cooking the food in a cooking chamber. Accordingly, a user can more accurately recognize a cooking state of the food.

The present invention discloses a data processing method for application layer based on a living network control protocol. The data processing method for application layer which is based on a predetermined protocol composed of at least a lower layer and an application layer includes the steps of: receiving a predetermined primitive from an upper application software; generating a communication cycle identifier (CycleID) according to the primitive; generating a service description according to the primitive and the communication cycle identifier (CycleID); composing an application layer protocol data unit (APDU) including the primitive; and transmitting the APDU to the lower layer.

Data processing method for application layer

An electronic device includes an interface unit; a processor configured to communicate with one other electronic device; where a message communicated between the electronic device and the other electronic device includes a message type field and a transmission counter field. The message type field indicates a type of the message. The transmission counter field indicates how many times the same message is transmitted, and a range of a value included in the transmission counter field is determined based on the type of the message indicated by the message type field. The interface unit receives a device information message from the other electronic device, and generates a profile for managing the other electronic device based on the device information message. The profile comprises at least one of a device information file containing specific information on the other electronic device, a node parameter file containing a node parameter designated for the other electronic device, a device operation file containing data on an operational state of the other electronic device, and a scenario file for defining supplementary services for the other electronic device.

Home network system

The present invention discloses a home network system using a living network control protocol. The home network system includes: at least one electric device; first and second networks based on a predetermined living network control protocol (LnCP); an LnCP access device connected to the electric device through the second network; and a network manager connected to the LnCP access device through the first network, for controlling and monitoring the electric device.

The present invention discloses a home network system using a living network control protocol. The home network system includes: at least one new device including a node address having an initial logical address through a network based on a predetermined protocol, transmitting a configuration request message having the node address to a master device, receiving a temporary address setting request message, changing the initial logical address by selecting one temporary logical address, generating a temporary address setting response message, transmitting the temporary address setting response message to the master device, receiving an address change request message having a predetermined logical address from the master device, changing the temporary logical address into the received logical address, and having a unique node address; and at least one master device for receiving the plurality of configuration request messages from the new device, setting the temporary logical address range for the new device, transmitting the temporary address setting request message having the set temporary logical address range to the new device, receiving the temporary address setting response message from the new device, setting the predetermined logical address of the new device, and transmitting the address change request message having the set logical address to the new device of the selected temporary address.

Method of assigning a node address in a local network

The present invention discloses a home network using a living network control protocol. The home network system includes: a network based on a predetermined protocol; at least electric device connected to the network; and a network manager connected to the network, for controlling and/or monitoring the electric device, when the protocol includes an application layer for handling a message for controlling and monitoring the electric device, a network layer for network-connecting the electric device to the network manager, a data link layer for accessing shared transmission medium, and a physical layer for providing a physical interface between the electric device and the network manager, wherein the physical layer further includes a special protocol for providing an interface with a dependent transmission medium, and the network layer further includes a home code control sub-layer for managing a home code for network security when accessing the dependent transmission medium.

Disclosed is a network control system for home appliances that satisfies the characteristics of low-cost and high-efficiency with respect to currently used appliances adopting a low-performance microcomputer. The system is constructed to define a master/slave type communication structure with respect to the respective appliances; construct a network by connecting the appliances through the serial communication function; and enable the appliances to communicate with one another if a predetermined communication event is produced. According to the system, an optimized network for the home appliances can be implemented, and operation states of the respective appliances can be displayed through the co-operation among the appliances, thereby maximizing the user convenience.

Network control system for home appliances

The present invention discloses a data processing method for network layer in a home network system () based on a living network control protocol. The data processing method for network layer based on a protocol, that is composed of at least a physical layer, a data link layer, a network and an application layer, includes the steps of: receiving a message sending primitive (MsgSend) in application layer protocol data unit (APDU) frp, the application layer; according to the message sending primitive (MsgSend), generating a communication cycle description; according to the message sending primitive (MsgSend) and/or the communication cycle description, generating a packet sending primitive (PktSend) in network layer protocol data unit (NPDU); and transmitting the packet sending primitive (PktSend) to the data link layer.

Data processing method for network layer

The present invention discloses a home network system using an LnCP. The home network system includes one or more master devices, one or more slave devices, and a network for connecting the master devices to the slave devices on the basis of a predetermined protocol. In the home network system, the master device performs one or plural communication cycles with the plurality of slave devices at the same time at a predetermined time point, and each slave device performs one communication cycle with the master device at the time point.

A home network system using a living network control protocol. The home network system includes: at least two electric devices (e.g., a first and a second electric device); and a network based on a predetermined network for networking the electric devices, wherein the first electric device sends a request message to the second electric device, and the second electric device sends a response message to the first electric device, wherein the response message transmitted from a lower layer to an upper layer of the second electric device is transmitted to a lower layer and then to an upper layer of the first electric device, and includes a command code included in the request message, for indicating an operation for the second electric device to execute, and a field related to an execution of the request.

The present invention discloses a configuration apparatus thereof which can efficiently configure a new home appliance in the home network system comprised of various home appliances. The configuration method of a home network system, comprising of confirming whether a previously-stored logical address is an initial logical address, transmitting a master search packet to the home network system when the logical address previously stored in the storage means is an initial logical address, waiting for a response packet from the home network system, when the response packet is received from the home network system, changing the initial logical address into a predetermined logical address according to reception of the response packet; and when the response packet is not received from the home network system, changing the previously-stored initial logical address into a previously-stored basic logical address.

Home network system and its configuration system

A home network system which can efficiently configure a new home appliance in the home network system. The home network system includes at least one new device newly connected to a master device through a network, for transmitting a plugged-in request message containing an initial address through the network, receiving an address change request message containing a logical address, and changing the initial address to the logical address, and at least one master device connected to the new device through the network, for receiving the plugged-in request message from the new device, setting the logical address for the new device, and transmitting the address change request message containing the logical address to the new device, wherein the initial address comprises at least a product code and a logical address of the new device, and the new device changes the logical address to the logical address set by the master device.

The present invention discloses a home network system using a living network control protocol. The home network system includes: a network based on a predetermined protocol; at least one electric device connected to the network; and a network manager connected to the network, for controlling and/or monitoring the electric device, wherein the protocol includes an application layer, a network layer, a data link layer and a physical layer, wherein the physical layer further includes a special protocol for providing an interface with a dependent transmission medium, and the network layer further includes a home code control sub-layer for managing a home code form network security when accessing the dependent transmission medium; and wherein an application layer protocol data unit (APDU) is transmitted between the application layer and the network layer, a network layer protocol data unit (NPDU) is transmitted between the network layer and the data link layer and the between the network layer and the home code control sub-layer, a home code control sub-layer protocol data unit (HCNPDU) is transmitted between the home code control sub-layer and the data link layer, and a data frame unit is transmitted between the data link layer and the physical layer.

Growing community of inventors

Changwon-shi, South Korea

Koon-Seok Lee