Patent ID: 6178447
Filing Date: 2001-01-23
Classification: H04J,H04N

Abstract:
A cable modem of a bidirectional telecommunications network which serves to transmit a data stream from a transmitter to a multiplicity of cable modems, the data stream comprising cable modem-specific data, characterized in that the cable modem comprises:at least three modules connected in series for recovering the cable-modem-specific data intended for the cable modem from the received data stream; anda control unit for controlling a power consumption of the at least three modules, wherein the control unit is capable of reducing the power consumption of the at least three modules in a power-saving mode and of adjusting the power consumption of at least three of the modules to a specified value only in specified time intervals in order to monitor specified segments of the received data stream in the specified time intervals, wherein the control unit is capable of adjusting the power consumption of all the modules to a specified value on detecting a specified identifier, wherein the cable modem comprises a voltage source and at least one switch, the voltage source being connected via the at least one switch to each module, and each switch being controlled by the control unit to enable the control unit to adjust the power consumption of all modules via said at least one switch.