Patent ID: 6304008
Filing Date: 2001-10-16
Classification: H01H,H02H

Abstract:
An electronic device having an auto-OFF function and comprising;a primary power supply circuit;a secondary power supply circuit which is supplied with electric power from said primary power supply circuit;a control system circuit connected to said secondary power supply circuit; anda switch unit connected to said control system circuit and said secondary power supply circuit, said switch unit having a switch and an operating member which can operate said switch ON and OFF manually and OFF automatically, said switch unit being connected to said primary power supply circuit so as to control the supply of electric power to the primary power circuit, said switch unit having a drive source which can operate said operating member automatically to cause said switch to turn auto-OFF,wherein said operating member in said switch unit is operated manually to turn said switch ON to permit the supply of electric power to said power supply circuit, said operating member being in a locked position when said switch is ON,wherein said operating member is operated manually to turn said switch OFF to manually cut off the supply of electric power to said primary power supply circuit, said operating member being in an unlocked position when said switch is OFF, said operating member being moved from the locked position to the unlocked position by the manual operation of the operating member, andwherein said operating member is operated automatically in accordance with a signal provided from said control system circuit to operate said drive source to turn said switch auto-OFF to automatically cut off the supply of electric power to said primary power supply circuit, said operating member being in an unlocked position when said switch is auto-OFF, said operating member being moved from the locked position to the unlocked position by the automatic operation of the drive source on the operating member.