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Matches 1 - 50 out of 1,683

Document Document Title
WO/2018/070186A1
The purpose of the present invention is to provide an electronic control device that reduces as much as possible, while the electronic control device is on standby, power consumed in a reverse connection protection circuit, a computation...  
WO/2018/040586A1
Disclosed is a control circuit for multi standby voltage switching of a silicon controlled rectifier. The control circuit comprises a first silicon controlled rectifier control circuit module (TRIAC1) for outward output, a second silicon...  
WO/2018/037749A1
Provided are a power supply device and a television device capable of protection operations individually having a high degree of freedom in a suitable and safe manner, in accordance with diverse overvoltage state conditions regarding det...  
WO/2018/024544A1
The invention relates to a reverse polarity protection circuit, to a device having such a reverse polarity protection circuit, and to a method for operating said reverse polarity protection circuit. The reverse polarity protection circui...  
WO/2017/205252A1
An electrical receptacle is selectively coupled to a power plug, and the power plug includes a plurality of prongs insertable into the electrical receptacle. The electrical receptacle includes a contact configured to be engageable with o...  
WO/2017/192106A1
A smart control system (1) for detecting plug-in or removal of electrical devices, detecting short circuit, sensing human contact to the conductor line and protecting human from electrical shocks, comprising microprocessor (A), switching...  
WO/2017/192363A1
An electronic device is configured with sub-assemblies including a main logic board, flexible printed circuit, and dual battery packs that are assembled together with electrical connectors to enable power from the battery packs to flow o...  
WO/2017/182153A1
The invention relates to a method and to a corresponding device for detecting phase failures in a converter (10), wherein current regulators (26, 28) of a positive phase sequence system (20) and current regulators (40, 42) of a negative ...  
WO/2017/182753A1
Device (1) for protecting the electrical network of a vehicle, comprising •a device (10) for detecting polarity inversion; •an overvoltage detection device (20); •a first input terminal (2); •a second input terminal (3); •a fir...  
WO/2017/160628A1
Provided herein are improved apparatuses and methods for protecting polarity sensitive loads in DC power circuits that include a power source, a relay coupled to the power source, and a polarity sensitive load coupled to the relay. A dio...  
WO/2017/145247A1
A household electrical appliance 100-1 is characterized by being provided with: a low-voltage circuit 8 that outputs a low voltage; a low-voltage terminal 5; a high-voltage terminal 4; and a switch 6, which is disposed between the low-vo...  
WO/2017/143505A1
An anti-reverse connection circuit used at front end of a DC-DC power supply. The anti-reverse connection circuit comprises: a DC-DC power supply (1), a transistor Q1 and a switching transistor (2). The DC-DC power supply (1) generates a...  
WO/2017/137254A1
The description relates to a device for steering a vehicle, comprising: an output stage (3, 4) for controlling an electric motor (1, 2); a DC link for supplying electric power to the output stage (3, 4), said DC link having a DC link vol...  
WO/2017/113458A1
A dual input power supply system for an MTCA chassis, comprising an alternating current voltage input terminal, a direct current voltage input terminal, and a voltage output terminal. The dual input power supply system further comprises ...  
WO/2017/107556A1
An electricity meter (10) and a live wire detection circuit (1), comprising: an antenna (11), for sensing a periodic signal of a live wire so as to give a detection signal; and an amplification unit (12), for performing amplification pro...  
WO/2017/091861A1
Safety device for an electrical apparatus powered by an AC mains power supply, the safety device comprising: an electric circuit having inputs for connecting to an active, neutral and earth conductors of the electrical apparatus which ar...  
WO/2017/066438A1
A DC and/or an AC power transmission circuit protection system is for protection of a cabling medium. The circuit protection system includes a power supply, a powered device and a circuit protection module that includes an over-current a...  
WO/2016/202776A1
A power tool (1) has a tool holder (4), an electric motor (5) for driving the tool holder (4) in rotation, a handle (8) for guiding the power tool (1) during operation, and a main switch (9) for switching on the electric motor (5). The p...  
WO/2016/157962A1
This power supply device (1) is provided with: relays (Ry1, Ry2) that are provided between input/output connection terminals (IO1, IO2), to which a storage battery (B1) is connected, and a DC-DC converter (10); a relay (Ry3) that is conn...  
WO/2016/131620A1
The invention relates to a grounding device (10) for an emergency power system to connect a neutral conductor (N) of a load arrangement (50) to a grounding conductor (PE) via at least one normally open contact (11.1) of a switching devic...  
WO/2016/134356A1
One or more techniques and/or systems are provided for detecting reverse polarity of a photovoltaic system. A fuse holder may comprise a fuse holder body configured to receive a fuse used to protect against excessive current from a photo...  
WO/2016/122836A1
A reverse current protection (RCP) circuit is provided that includes an RCP switch coupled between a power supply rail and a buffer power supply node. A control circuit powered by a buffer supply voltage on the buffer power supply node c...  
WO/2016/116744A1
Methods and systems for controlling electrical switchgear comprising a processor which is programmed to monitor the states/positions of and actuate operation of a plurality of control switches so as only to create acceptable combinations...  
WO/2016/105551A1
Electrical fire risks and consumer safety are major concerns driving regulators worldwide to implement more stringent electrical code and enforcement. While there are many commercially available protective devices available, none affords...  
WO/2016/074833A1
In order to further improve a device for filtering out supply voltage interferences such that the voltage loss in the device is kept as small as possible in possibly each operating state, it is proposed that a control logic for controlli...  
WO/2016/051314A1
An interlock load control system includes: a main board; a plurality of relays each having a normally closed contact and a load contact connected to a respective load, wherein, if closed positions of all the relays are in the normally cl...  
WO/2016/041884A1
The invention relates to a reverse polarity protection circuit (10) for the electrical system of a motor vehicle. The reverse polarity protection circuit (10) comprises a ground connection (20), a positive pole connection (22) and a semi...  
WO/2016/034495A1
A power unbalance mitigating polarity correction circuit is presented comprising a first and a second polarity correction circuit, each comprising: an input for receiving an input current, an output for providing a rectified output curre...  
WO/2016/001160A1
An apparatus configured to protect one or more system components from damage due to reverse polarity connection of a power supply comprising a relay located between said power supply and said components, and adapted to detect when a powe...  
WO/2015/174939A1
The present invention relates to an input protection (1), which enables to eliminate the problems resulting from voltage changes, and which has flexible operating voltage range, and basically comprises at least one reverse input protecti...  
WO/2015/150137A3
The invention relates to methods for supplying electrical loads (3, 31, 32) of a vehicle with electrical energy by means of auxiliary converters (1, 11, 12) connected in parallel on the alternating-voltage side, wherein in the case of a ...  
WO/2015/145733A1
An FET (11) of a power-supply reverse connection protection unit (6) is connected between a battery (100) and an electronic device (2). When the battery (100) is reversely connected, the FET (11) turns off and a parasitic diode (D1) of t...  
WO/2015/113341A1
The present invention relates to the technical field of charging. A charging apparatus for an electronic device (200) and a power adapter (100) for the electronic device (200). In the process of charging a battery (201) in a normal charg...  
WO/2015/095582A8
The present disclosure relates to electrical generators, more specifically to an apparatus and method for dehumidifying the windings and insulation system of a generator. The application of low-voltage, low-frequency, high-AC-current pro...  
WO/2015/095582A1
The present disclosure relates to electrical generators, more specifically to an apparatus and method for dehumidifying the windings and insulation system of a generator. The application of low-voltage, low-frequency, high-AC-current pro...  
WO/2015/023711A1
Anti-arcing circuits (120, 310) are described herein that are configured to prevent or substantially mitigate arcing when a power adapter (118) is connected/disconnected from a client device (102). The anti-arcing circuit (120) restricts...  
WO/2015/010528A1
A reverse connection-proof protection circuit for a direct current input terminal and a reverse connection-proof protection method for a direct current input terminal, comprising: a controllable disconnection attachment, a voltage sampli...  
WO/2015/000719A1
Apparatuses (1) for controlling devices (200) arranged to provide direct- current voltage signals to direct-current buses (201, 202) comprising first and second conductors (201, 202) may be provided with detectors (11, 12) for detecting ...  
WO/2014/209503A1
An extraction system is designed for metal working and other applications. The system comprises a blower that delivers a positive pressure airflow to a hood that creates an air region for removal of airborne components from a work area. ...  
WO/2014/205974A1
A charging protection circuit for a lithium battery, comprising a switching circuit and a charging signal detection circuit, which is used for controlling the on and off of the switching circuit, wherein the switching circuit comprises a...  
WO/2014/190513A1
Disclosed are a charging circuit and method for preventing reversal of charging power supply, used for an electronic cigarette or electronic cigarette carton, the charging circuit comprising: direct current input end (101), a reversal pr...  
WO/2014/189675A3
A direct current (DC) to alternating current (AC) inverter sub-system is for a HVDC distribution system (7). The DC to AC inverter sub-system includes an enclosure (20) and a DC to DC galvanically isolated buck converter (12) having a DC...  
WO/2014/158967A1
Reverse battery protection circuits (1100) for devices powered by parallel-coupled batteries can include P-channel and N-channel MOSFETs. Each positive battery terminal connector (1112a, 1112b) of a battery-powered device (1130) can be c...  
WO/2014/128562A3
A leakage protection method and device having a live/neutral wire identification function that identify the live wire and neutral wire of an input power source by means of a live/neutral wire identification device 1. If the live/neutral ...  
WO/2014/099135A1
Electricity service may be safely remotely connected to a site by a network computing device, such as an electricity meter, even when the network computing device is not accessible at the site. The network computing device may include a ...  
WO/2014/090751A1
The invention relates to an electrical circuit comprising an electric cell, a load supplied by the electric cell, and an interruption component for the circuit exhibiting a threshold voltage value above which it is passing and below whic...  
WO/2014/090470A1
The invention relates to a protective circuit (105) comprising an input (120), an output (125), a field-effect transistor type p (T1), the drain connection of which is connected to the input and the source connection of which is connecte...  
WO/2014/064142A1
The invention relates to a DC converter (1) comprising: a first half-bridge circuit (2); a second half-bridge circuit (3); at least one transformer (4) having at least one primary winding (4a, 4b) and at least one secondary winding (4c, ...  
WO/2014/053302A1
The invention relates to an electric power meter (1) comprising a cut-off member (14), means for the downstream measurement of a downstream voltage at the terminals of an apparatus (4), and processing means (13) for driving the cut-off m...  
WO/2014/050407A1
This semiconductor device has the following configuration so that a current path can be shut down effectively upon reverse connection when a power source is connected reversely to the semiconductor device. An NMOS transistor (14) has a g...  

Matches 1 - 50 out of 1,683