IMPROVED RECORDING CONFIGURATION FOR THE RECORDING OF ELECTRO-PHYSIOLOGICAL SIGNALS (AND NON-PHYSIOLOGICAL PHYSICAL MEASURES)

摘要

The invention concerns a method of interference rejection in electrical recording systems, which rejects the voltage drop IDMV caused by the interference sources Vinterf at Ztl and Zt2, but amplifies the signals uncorrupted. A recording system according to the invention consists of the recording inputs (E1, E2, E3, and E4, ... En, respectively) and an output (6). An input stage (7) and a computing stage (9) provide a transfer function Vout = f(V1, V2, V3, and V4, ... Vn, respectively), which exhibits the above-mentioned interference rejection properties.