| abstract |
The present invention relates to a method, a system and a device for producing, from a substance, electrical signals characteristic of the biological activity of an active element contained in said substance, said method comprising the step of placing said substance. substance (1) in an area (2, 3) subjected to a specific excitation field of an electrical, magnetic and / or electromagnetic nature (4). Said method further comprises the step of transforming the fields resulting from the interaction of the specific excitation field and the substance, into signals, in particular electrical signals, by means of a first transducer (6) receiving said fields resulting. |