Patent 7112987 was granted and assigned to Micronas on September, 2006 by the United States Patent and Trademark Office.
The semiconductor sensor has at least one field-effect transistor (31; 31, 32) which is coupled to a sensitive electrode and which has measuring phases that are interruptible by idle phases through a control device (50). During the idle phases, the field-effect transistor or transistors (30; 31, 32) together with their terminals is or are connected to the same potential, preferably the ground potential.