Abstract: 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.

Abstract: The present invention discloses a home network system using a living network control protocol.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A rotary compressor having two different compression capacities is provided. The rotary compressor may include a driving shaft that is rotatable in both a clockwise and counterclockwise direction, and having an eccentric portion at an end thereof. The compressor may also include cylinder having a predetermined inner volume, and a roller rotatably installed on an outer circumferential portion of the eccentric portion so as to contact an inner circumference of the cylinder and form a fluid chamber therebetween. A vane is elastically installed in the cylinder and contacts the roller, and upper and lower bearings are respectively installed at upper and lower portions of the cylinder so as to rotatably support the driving shaft and hermetically seal the inner volume of the cylinder. Suction and discharge ports communicate with the fluid chamber based on a rotational direction of the driving shaft so as to provide a different compression capacity depending on the rotational direction of the driving shaft.

Abstract: A method for separating multiple home networks networked in one communication line into each home network is disclosed, which includes the steps of forming home network for networking apparatuses in the house to communicate with one another, setting individual home codes to each apparatus, connecting the home networks formed in a plurality of houses to one another, and forming packet data including the home codes for communicating.

Abstract: A communication apparatus and a method for supporting carrier sense multiple access/collision detection (CSMA/CD) are disclosed.

Abstract: The present invention discloses a home network system using a living network control protocol.

Abstract: The present invention discloses 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.

Abstract: 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.

Abstract: The present invention discloses a data transmission and receiving method at a data link layer for use in a home network system based on a living network control protocol. The data receiving method at the data link layer of a protocol that consists of a physical layer, a data link layer, and an upper layer, includes the steps of: receiving data from the physical layer, storing the received data in a packet buffer, deciding whether new data has been received within a predetermined data allowable interval time since last data is received; and based on a result of the first decision, completing receiving the data.

Abstract: Fuel cell including an electrolyte, an anode and a cathode on both sides of the electrolyte, a cathode side separator at an outer side of the cathode having a flow passage for flow of air, and a flow passage between the electrolyte and the anode, thereby improving an electricity generating performance.

Abstract: A refrigerant distributor is disclosed, for minimizing noise and providing refrigerant to each refrigerant tube uniformly, which includes a hollow body (11) in which a refrigerant flows; an inlet (12) provided at one end of the body, and through which the refrigerant flows in; and a plurality of discharge holes (13) provided for being in parallel at the other end of the body.

Abstract: A system for supplying energy to a plurality of building units includes a plurality of fuel cells installed in a plurality of building units, a common reformer which generates hydrogen from fuel, a pipe system which supplies hydrogen generated by the common reformer to each of the plurality of fuel cells, and a plurality of converters which convert electricity generated by the plurality of fuel cells into electricity which is supplied to each of the plurality of building units.

Abstract: According to the present invention, there is provided a plasma polymerization surface modification of a metal for enhancing its applicability for use in refrigerating and air conditioning such as in constructing heat exchanges, by using a DC discharge plasma, comprising the steps of: (a) positioning an anode electrode which is substantially of metal to be surface-modified and a cathode electrode in a chamber, (b) maintaining a pressure in the chamber at a predetermined vacuum level, (c) blowing a reaction gas composed of an unsaturated aliphatic hydrocarbon monomer gas or fluorine-containing monomer and silicon containing monomer gas at a predetermined pressure and a non-polymerizable gas at a predetermined pressure into the chamber, and (d) applying a voltage to the electrodes in order to obtain a DC discharge, whereby to obtain a plasma consisting of positive and negative ions and radicals generated from the unsaturated aliphatic hydrocarbon monomer gas and the non-polymerizable gas, and then forming a poly

Abstract: 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.

Abstract: The present invention discloses a home network system using a living network control protocol. The home network system includes: an electric device having at least two heterogeneous function means; a network based on a predetermined protocol; and a network manager for controlling and/or monitoring the electric device through the network, the electric device including a packet processing device having one node address provided by the network manager, generating a packet having the node address, transmitting the packet to the network manager, address from the network manager, and enabling the heterogeneous function means corresponding to a command included in the packet to execute the command.