About 33 results
https://drivepatents.com/patents/1010749 · 27 Jul 2011
The device (2) has a capacitor (12) connected to output and input terminals (10-1, 10-2) of a current generator (10), in a parallel manner. Another capacitor (22) is supplied with current by the generator. A switch (16) is mounted on a current supply line ...
https://drivepatents.com/patents/1013445 · 27 Apr 2011
The arrangement (2) has a circuit input (3) with input terminals (4, 5) for coupling the arrangement with an electrical power supply network (6), where an alternating current (AC) supply voltage (Uv) of the power supply network is supplied to the circuit i...
https://drivepatents.com/patents/1013466 · 27 Apr 2011
The appliance has a power supply unit (7) for supplying an operating voltage (Ub) and connected with a circuit input (2) by electrical switches (9, 10) i.e. bistable switches. A control device (17) controls the appliance that is supplied with the operating...
https://drivepatents.com/patents/1085502 · 21 Jul 2004
A method of an embodiment of the invention is disclosed that comprises detecting a turn-off event for an device. The device has an on mode, a sleep mode in which the device consumes less power than in the on mode, and an off mode in which the device consum...
https://drivepatents.com/patents/1086755 · 2 Jun 2004
To provide a universal battery charger with low power consumption during a standby condition and a rush current suppressing capability at the time of commencement of charging, a voltage slightly larger than a battery voltage is produced and applied to the ...
https://drivepatents.com/patents/1090345 · 14 Jan 2004
Battery-driven electronic equipment (100) includes a battery (4), a first load (5) that is driven by the battery (4) and subjected to time division, a second load (6) that is driven by the battery (4), capable of being operated during an interval between p...
https://drivepatents.com/patents/1090667 · 2 Jan 2004
A power supply control circuit (10) that automatically shuts off power supply to an electric apparatus comprises a photocoupler for inputting a remote control signal, a switching circuit having a press-button switch provided toward an output end of the pho...
https://drivepatents.com/patents/1092534 · 22 Oct 2003
A power supply apparatus having an AC power supply, a transformer, a switching element and a control circuit for controlling an operation of the switching element: where an electrical current is supplied to the primary side of the transformer intermittentl...
https://drivepatents.com/patents/1102500 · 14 Aug 2002
The circuit has signal inputs (3-5), a controller (28) and an output (8) controlling a power supply unit (42). When an ON signal is supplied to an input (3-5), a procedure is introduced, in which the controller output (8) signals the power supply (42) to s...
https://drivepatents.com/patents/1102956 · 24 Jul 2002
The item of mobile equipment (11) has a power switch (5) coupled to a charger circuit (3) that connects to the mains (1). A charge contact (9) closes due to the weight of the mobile unit and this closes the switch to activate the charger.