Patent ID: 6611134
Filing Date: 2003-08-26
Classification: G01D,G01R,H04B,Y02B,Y04S

Abstract:
An open type electricity meter installed indoors for measuring a consumed power quantity, comprising a communication protocol, and an open type communication module for performing a high speed data communication, a low speed data communication, and a telephony communication through a power line communication according to a communication frame type being transmitted and received, wherein said open type communication module further comprises:a power line communication unit for separating a high frequency power line communication signal from a power line signal; a packet connecting unit for transmitting the communication signal received into said power line communication unit according to frame type to a corresponding processing unit as data, and packetizes data from a higher processing unit according to frame type to provide the same to said power line communication unit; a low speed data processing unit being connected to said packet connecting unit and installing a TCP/IP protocol engine to perform a remote measurement communication; a high speed data processing unit for performing a communication with said power line communication unit to transmit high speed data to an indoor communication terminal and to transmit the high speed data to an outdoor communication terminal through said packet connecting unit; and a telephony processing unit connected to an external audio processing unit for coding an audio signal from the audio processing unit to be provided to said packet connecting unit and decoding the coded audio signal from said packet connecting unit to be provided to the external audio processing unit.