Devices, systems, methods, and processes for operating a plurality of power supplies of a network device using cold redundancy are described herein. Traditionally, redundant power supplies are operated in parallel with primary power supplies, thus making power supply system less efficient. To…
A standby power cut-off device installed on a power line connecting an external commercial alternating current power and the inside of an electrical device comprises: a manual switch for supplying the commercial alternating current power or cutting off the supply of same; a solid-state relay for…
Provided is a display apparatus and a method of operating the same. The display apparatus includes: a power supply configured to generate power to be supplied to the display apparatus from an external power source, an input interface configured to receive a turn-on command or a turn-off command for…
Standby circuit for an electric appliance, the standby circuit comprising: an AC power input for connection to an AC power source, for example to the mains; an AC power output for connection to a control circuit of an electric appliance; a control circuit power line connecting the AC power input to…
A load control device for controlling power delivered from an AC power source to an electrical device may be configured to conduct current through earth ground and may disconnect a switching circuit to reduce an amount of current conducted through the earth ground. The load control device may…
A clamping circuit includes an energy storage section and a pulse generator to generate a pulse in which the energy storage section stores energy from a main power supply.
A method of waking up a small cell base station from a sleep mode, controlled by a mobile station involved in a random access procedure in which the mobile station is to transmit a standard access signal to a serving macrocell base station in whose coverage area the small cell base station is…
A power supply unit and a wireless network communication system are provided. The wireless network communication system comprises a wireless network communication device (2) and a power supply unit (3). The power supply unit comprises a power supplier (31), a power detection circuit (32) and a…
Household appliance (1) comprising electric loads (2) and an electronic command device (3) which is configured to reduce energy consumption of the electric household appliance (1) during a standby state; the electronic command device (3) comprising first switch device (4) which is connected between…
A control arrangement and to a method for supplying electrical power in an elevator system are disclosed. The control arrangement includes a sensor detecting movement of an elevator car and also a control of the lighting of the elevator car. The control of the lighting of the elevator car is…
A power supply system of an electronic device and a power supply method thereof are provided. Directly detecting the power voltage, when a power anomaly of the power voltage is detected, the electronic device may enter the energy-saving mode immediately for reducing power consumption, and a…
Motor drive apparatus and methods are presented in which a standby controller uses at least one switching device to power an inverter in a normal mode and to remove power from the inverter and other motor drive components during a standby mode for improved energy efficiency.
A power supply apparatus of a home appliance which meets standby power regulation of 0.5 watts using one SMPS. As compared with a general circuit which meets the standby power regulation using two or more SMPSs, it may be possible to curtail expenses required for addition of a separate standby only…
A power supply includes: a first switch arranged between an input power supplier and a load; a driving power supplier to receive input power through the first switch and to supply the input power to the load when a current mode of the load is a normal mode; and a power-saving power supplier…
A power supply system (100) includes: a switching power supply (21, 20), which rectifies and smoothes an AC voltage of an AC power supply to generate a first DC voltage in a normal mode; a control unit (51), which controls the switching power supply to switch between the normal mode and a power…
When a voltage applied to a first capacitor (6) connected to an output of a power generator (4) in parallel is equal to or larger than a threshold, a starter signal output from a monitoring circuit (10) to a control circuit (14) is set from a low level to a high level. The control circuit (14)…
There is provided an electronic device including a power circuit and a system circuit. The system circuit includes a processing unit and a charge-discharge device. The processing unit controls the power circuit to stop providing power to the system circuit when identifying that the electronic…
The present invention relates to a stand-by circuit (1) comprising a first input (100) for receiving a phase of a mains supply, a second input (101) for receiving a stand-by signal, and an AC-DC converter (4), said circuit being characterized in that it comprises a bistable relay (3,30) connected…
An electronic apparatus having reinforced power saving and safety functions, the electronic apparatus may include: a power supply which converts alternating current (AC) power input from an AC power source to direct current (DC) power to be outputted; an AC power switch provided on a first AC power…
According to embodiments, there is provided an electronic apparatus including: a first power source (97) configured to supply power in ON/Off-switchable manner; a driving module configured to drive a current for on/off-switching the first power source; a control module (110) configured to control…
The invention relates to an electric household appliance comprising display means (52), a voltage supply control unit (81) for supplying an electric voltage to said display means and sensor switching means (90) which turn on/off a low-voltage power unit (80) according to detection of user within a…
A control circuit is provided for a power-saving socket and includes a central processing unit, a relay, a sensor unit, a time counting unit, a standby current setting unit, and a current monitoring unit. The central processing unit, upon receiving a human approaching signal from the sensor unit…
Conventional devices which are equipped with a remote control and have a stand-by mode, consume some power during stand-by mode. Moreover, the stand-by mode keeps the device electrically active, being connected to mains. Present invention offers a system for remotely powering on and off of a…
An electric household appliance comprising low-voltage capacitive power means (10) connected to the electrical power network (3) and designed to generate a low-voltage (S2, V2), characterized in that said low-voltage capacitive power means (10) comprise a capacitive dividing circuit (28) comprising…
According to one embodiment, a power control apparatus includes: a first power source (97) configured to perform a power supply so as to be on/off-switchable; a controller (110) configured to on/off-switch the power supply of the first power source; and a second power source (204) configured to be…
The arrangement has energy storages (2, 11) storing electrical energy in form of an electrical charge. A control unit (4) generates a voltage and/or current pulse from the electrical energy for an electrical switch (3) e.g. bistable relay, to effect a coupling or separation of a circuit power…
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 (L1) that supplies current to a wireless…
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 voltage. The control device is designed to…
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 input. An operating device (8) is coupled…
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 consumes less power than in the sleep mode. In…