Personal-care apparatus comprising a capacitive on/off switch

Details Personal-care apparatus comprising a capacitive on/off switch Personal-care apparatus comprising a capacitive on/off switch

G - Physics

01

N

G01N 27/22 (2006.01) A45D 20/30 (2006.01) H02H 5/00 (2006.01)

Patent

CA 2080546

Abstract: Personal-care apparatus. A personal-care apparatus comprises a load (LD) and a switch (SW), which load (LD) and which switch (SW) are coupled in series between a first (1) and a second (2) supply terminal for receiving an alternating voltage, the personal-care apparatus further comprising a rectifying circuit (RC) for converting the alternating voltage into a direct voltage, and a safety circuit (SC), which is coupled between a third (3) and a fourth (4) supply terminal for receiving the direct voltage and which comprises a capacitive sensor (CS) for the detection of the presence of a part of a human body in the proximity of the personal care apparatus, the safety circuit being adapted to control the switch (SW) in response to said detection.

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