Apparatus for automatically controlling the illumination of LED lighting

The present invention relates to an apparatus for automatically controlling illuminance, which transmits a dimming signal based on the zero-crossing of AC power using an illuminance control electronic switch. An apparatus for automatically controlling illuminance of Light-Emitting Diode (LED) lighting according to an embodiment of the present invention includes a dimming control electronic switch for, if manipulation of a switch by a user is sensed during supply of Alternating Current (AC) power to an LED lamp, interrupting supply of the AC power during a preset period of time based on zero-crossing of the AC power, and an LED lamp control device for controlling illuminance of the LED lamp by detecting supply and interruption of the AC power.

DIMMING LED LIGHTING SYSTEM

The present invention relates to a dimming LED lighting system including a separate switch for adjusting the illumination of an LED lamp. The dimming LED lighting system according to the present invention includes a switch unit connected between a lighting switch and an on/off detection means in order to perform a snapping operation while the lighting switch is in an on state. 1. An LED lighting system , comprising:a detecting unit which detects on and off statuses of a lighting switch;a dimming determining unit which receives information on the on/off status of the lighting switch from the detecting unit to determine a snapping operation of the lighting switch and output a dimming signal;a dimming adjusting unit which adjusts an illumination of the LED lamp when the dimming signal is input from the dimming determining unit;a power holding circuit unit which supplies a driving power to the LED lamp in accordance with the snapping operation at the time of the snapping operation of the lighting switch; anda switch unit which is connected between the lighting switch and the detecting unit to perform the snapping operation when the lighting switch is turned on.2. The LED lighting system of claim 1 , wherein the switch unit is a rotary switch.3. The LED lighting system of claim 2 , wherein the rotary switch includes:a first contact which is connected to the lighting switch;a plurality of second contacts which is arranged around a circle having the first contact as a center at a predetermined interval and electrically connected to each other to be connected to the detecting unit; anda rotor having an end which is connected to the first contact and the other end which is in contact with one of the plurality of second contacts.4. The LED lighting system of claim 3 , wherein when there is an input from a user claim 3 , the rotary switch rotates until the rotor is in contact with an adjacent second contact among the plurality of second contacts.5. The LED lighting system of ...

Subnet of power line communication network, method for setting up the same, electronic appliance connected to the same, and communication module used in electronic appliance

A communication network for detecting and regulating identifier overlap generated after subnet is created includes a communication module including a starting means for starting a subnet creation sequence; identifier generating means for generating at least two type of identifiers; a transceiver for broadcasting an identifier hail signal including at least two types of identifiers over a communication network; comparing means for comparing at least two types of identifiers included in the identifier hail signal with corresponding identifiers identifying its home subnet; identifier setup means for generating the identifiers acknowledged as unique among subnets existing within an open communication range; and an identifier storing means for storing generated identifiers. The transceiver broadcasts a non-acknowledgement signal over the communication network when identifiers in the identifier hail signal are identical to identifiers of its subnet, the identifier generating means generates at least two types of identifiers when the transceiver receives the non-acknowledgement signal.

Method for joining node into subnet of power line communication network, electronic appliance connected to subnet, and communication module used in electronic appliance

A method for providing a subnet identifier to a client node joining into the subnet includes communication modules in host and client nodes. In the host node, the communication module includes identifier storing means; mode setup means for setting up a response mode; response means for determining whether to respond according to the setup response mode upon receipt of an identifier request signal; a transceiver; condition input means selectively activated according to the setup response mode for inputting a node identifier; and condition determining means for comparing the node identifier included in the received identifier request signal with the node identifier inputted by the condition input means. In the client node, a communication module includes identifier generating means; a transceiver; a determining means for determining whether the data received through the transceiver is a response signal to its broadcasted identifier request signal; and an identifier storing means.

APPARATUS FOR AUTOMATICALLY CONTROLLING THE ILLUMINATION OF LED LIGHTING

The present invention relates to an apparatus for automatically controlling illuminance, which transmits a dimming signal based on the zero-crossing of AC power using an illuminance control electronic switch. An apparatus for automatically controlling illuminance of Light-Emitting Diode (LED) lighting according to an embodiment of the present invention includes a dimming control electronic switch for, if manipulation of a switch by a user is sensed during supply of Alternating Current (AC) power to an LED lamp, interrupting supply of the AC power during a preset period of time based on zero-crossing of the AC power, and an LED lamp control device for controlling illuminance of the LED lamp by detecting supply and interruption of the AC power.

Method for detecting and regulating identifier overlap on power line communication network, electronic appliance connected to subnet of power line communication network, and communication module used in electronic appliance

A method for detecting and regulating subnet identifier overlap on a power line communication network includes a communication module. The communication module includes an identifier generating means for generating at least two identifiers for identifying a home subnet; an identifier setup means for generating an identifier different from identifiers of outside subnets; an identifier storing means for storing the generated identifiers; a transceiver for broadcasting a data packet including at least one identifier among at least two identifiers over a communication network; a comparing means for comparing the identifiers included in the received data packet with corresponding identifiers identifying its home subnet; and an overlap detecting means for determining whether more than one subnet uses the corresponding identifier when a part of at least two identifiers included in the received data packet is the same as the identifier identifying its home subnet and the remaining part is different.

Method for detecting and regulating identifier overlap on power line communication network, electronic appliance connected to subnet of power line communication network, and communication module used in electronic appliance

A method for detecting and regulating subnet identifier overlap on a power line communication network includes a communication module. The communication module includes an identifier generating means for generating at least two identifiers for identifying a home subnet; an identifier setup means for generating an identifier different from identifiers of outside subnets; an identifier storing means for storing the generated identifiers; a transceiver for broadcasting a data packet including at least one identifier among at least two identifiers over a communication network; a comparing means for comparing the identifiers included in the received data packet with corresponding identifiers identifying its home subnet; and an overlap detecting means for determining whether more than one subnet uses the corresponding identifier when a part of at least two identifiers included in the received data packet is the same as the identifier identifying its home subnet and the remaining part is different.

Method for joining node into subnet of power line communication network, electronic appliance connected to subnet, and communication module used in electronic appliance

Plug-and-play power line communication device