| 摘要 |
<p>A communication system, for application to electronic apparatuses, which is immune to a potential occurrence of failure in the electric energy power source to which the electronic apparatus is connected. The system comprises functional modules (1, 2, 3, 4), wherein at least one functional module (1, 2, 3, 4) has a processing unit (5) and at least one functional module (1, 2, 3, 4) has a controllable device (6, 7) controllable by the processing unit (5). These functional modules (1, 2, 3, 4) are electrically powered by an alternating voltage at a predetermined frequency provided by an electric energy power supply (8). The functional modules (1, 2, 3, 4) are electrically and operatively associated in parallel to each other by means of a power bus (9, 10) and a communication bus (11, 10), respectively. The processing unit (5) is arranged to provide at least a communication signal (13) to the communication bus (11, 10), and the communication signal (13) is capable of permitting operative interaction between the functional modules (1, 2, 3, 4) through a plurality of sets of high frequency pulses (14) arranged to repeat at a predetermined repetition frequency substantially greater than the frequency of the voltage provided by the electric energy power supply (8), and each set of high frequency pulses (14) is arranged to form an information pulse (15) corresponding to at least one bit of a communication protocol. The system also comprises frequency filters (12) disposed between an electric energy power supply and the functional modules (1, 2, 3, 4), capable of permitting the passage only of frequency components of an electric signal greater than the voltage frequency of the electric energy power supply 8. The present invention also refers to a method of communication executed by the above-mentioned system.</p> |
