Method for energy-efficient operation of a circuit arrangement as well as proximity sensors and circuit arrangements for carrying out this method

摘要

The invention relates to a method for energy-efficient operation of a circuit arrangement having an electronic circuit unit (9) with at least one sleep mode (24) coupled to an interface (6) with a proximity sensor (1) having an electronic evaluation unit (5), designed as a master Proximity sensor (11), a proximity sensor (12, 13) designed as a slave and at least two detection areas (2, 2a '2 out of 1 2s, 2a, 2a1-2, 2a12 1 2aPl-2' 2b-d, 2dl-2 '2dP2) wherein the electronic circuit unit (9) after configuring the proximity sensor (1) is set in an event detection mode in at least one of the detection areas (2, 2) of 2s, 2a, 2a1-2, 2a12 1 2aPl-2, 2b -d, 2dl-2 '2dP2) goes into one of the sleep modes (24),while the electronic evaluation unit (5) autonomously monitors at least two of the detection areas (2, 2a '2 out of 1 2s, 2a, 2a1-2, 2a12, 2aPl-2' 2bd, 2dl-2 '2dP2) upon detection of an event in at least one assigning the event triggering object one of two size classes and triggers at least one of the interrupts (28a-b) via the interface (6) for terminating the sleep mode (24), as well as proximity sensors and circuit arrangements for carrying out this method.upon detection of an event in at least one of these detection areas, the event triggering object assigns one of two size classes and triggers at least one of the interrupts (28a-b) via the interface (6) to terminate the sleep mode (24), and proximity sensors and circuitry for performing this process.upon detection of an event in at least one of these detection areas, the event triggering object assigns one of two size classes and triggers at least one of the interrupts (28a-b) via the interface (6) to terminate the sleep mode (24), and proximity sensors and circuitry for performing this process.