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JP6708850B2 |
To provide a device that automatically turns off an ampere breaker during a power failure, which can be installed without a prescribed qualification.In the device that automatically turns off an ampere breaker, an electric signal is gene...
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JP2020054147A |
To provide a reverse connection protective circuit that is high in convenience in comparison to a conventional one.The reverse connection protective circuit is connected in series to an electric circuit to which a power source is connect...
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JP6674555B2 |
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...
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JP6652035B2 |
To provide an electronic control device that can protect against negative voltage and overvoltage without providing a negative voltage protection diode and an overvoltage protection Zener diode.An ECU 1 comprises: a terminal 3 to which p...
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JP6603310B2 |
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...
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JP6583321B2 |
To provide a power supply control circuit and a power supply control method for avoiding abnormal power supply due to an incorrect connection without newly adding a dedicated signal line between connectors, when connecting the devices.A ...
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JP6584336B2 |
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JP2019161895A |
To achieve ensuring the operational safety of a battery adaptor itself in supplying electric power to an electronic apparatus.A battery adapter 150 is installed with at least one of batteries 167, 168 to supply electric power from the ba...
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JP6569608B2 |
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JP6555181B2 |
To provide a reverse connection protection circuit which has a small loss when a DC current is positively connected, and which surely protects an electric circuit in the case of being reversely connected.A reverse connection protection c...
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JP6551464B2 |
A first electrical circuit and a second electrical circuit are connected in parallel between a positive terminal and a negative terminal to which a power supply is connected. The first electrical circuit has a multiplicity of first switc...
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JP2019514337A |
It provides an improved relay protection system capable of detecting a short circuit to ground at the output of a relay. The relay protection system can bias the output of the relay. The output of the relay can be monitored to determine ...
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JP6507287B2 |
Reverse battery protection circuits for devices powered by parallel-coupled batteries. Each reverse battery protection circuit includes one first P-channel, one second P-channel and one first N-channel MOSFETs. Each positive battery term...
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JP2019509009A |
Improved devices and methods are provided for protecting the polarity-sensitive loads of DC power circuits, including power supplies, power-coupled relays, and relay-coupled polarity-sensitive loads. A diode can be coupled between the po...
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JP6490922B2 |
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JP6466023B2 |
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JP2019017128A |
To precisely detect a fault of a protection circuit for protecting a device connected to an external power source with a simpler structure when the external power source is reversely connected.In a reverse connection protection device fo...
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JP6452174B2 |
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JP6446485B2 |
A switch box includes a relay transistor circuit connecting a pair of batteries in parallel, and an breaker circuit that breaks the relay transistor circuit when a sign of a potential difference between a potential of at least one of the...
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JP6424218B2 |
An apparatus and method for changing a state of a connector based on moisture are disclosed. The apparatus can comprise an electrical connector (16) configured to connect to an electrical power source and to power input circuitry (112) o...
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JP2018157621A |
To provide a power supply control device, a power supply control method, and a computer program that can prevent the burnout of internal terminals and external terminals generated by arc discharge.A switch 21 is an N-channel type FET. An...
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JP6391663B2 |
Reverse battery protection circuits for devices powered by parallel-coupled batteries. Each reverse battery protection circuit includes one first P-channel, one second P-channel and one first N-channel MOSFETs. Each positive battery term...
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JP6386606B1 |
To provide a connection circuit of a connection device capable of detecting an erroneous wiring of a connection device capable of quickly protecting an overcurrent while preventing a blown fuse when an erroneous wiring or the like occurs...
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JP6351696B2 |
Provided is a light-emitting device capable of determining, in an unlit state, whether or not a ground fault has occurred, the determination not requiring the use of a shunt resistance. This light-emitting device (1) comprises: a current...
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JP6297758B1 |
A reverse current protection (RCP) circuit is provided that includes an RCP switch coupled between the power rail and the buffer power node. The control circuit powered by the buffer supply voltage on the buffer power supply node control...
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JP2018033279A |
To provide a power supply device and a television apparatus that are individually capable of performing protection operation that is appropriate and safe and has the high degree of freedom, depending on various conditions for an over-vol...
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JP6277151B2 |
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JP6268140B2 |
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JP6263435B2 |
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JP6260716B2 |
When it has been determined according to a voltage detected by a voltage detecting unit 31 that a voltage detection line 23 between a focused-on battery 21 and the voltage detecting unit 31 has been broken, operations of each of switches...
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JP2018007090A |
To provide an inductive load drive circuit capable of protecting a semiconductor switch in a case where a circuit ground and a ground are disconnected, the inductive load drive circuit being configured to protect the semiconductor switch...
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JP2017200407A |
To provide a remote ground line monitoring system capable of preventing a fault of a remote ground line monitoring device caused by a ground fault accident or the like by automatically connecting a remote ground line with a measurement p...
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JP6195507B2 |
To obtain a power conditioner having a protection function by which the occurrence of breakdown or failure of internal elements is prevented with a simple and inexpensive configuration even when erroneous connection occurs in installatio...
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JP2017158307A |
To provide an input protection circuit capable of surely preventing circuit damage caused by a reverse connection by announcing a connection with reverse polarities.An input protection circuit 3 comprises: reverse connection announcement...
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JP2017158383A |
To issue a warning when terminals are short-circuited.The charger includes: an output control switch that has two power supply terminals that can be electrically connected to a secondary battery and is capable of supplying power of a DC ...
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JP6190204B2 |
In order to effectively interrupt a current path when a power supply is reversely connected to a semiconductor device, i.e., in a reverse connection state, the following configuration is employed. An NMOS transistor (14) has a gate conne...
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JP2017139903A |
To securely cut off a circuit if a component has been erroneously connected and to prevent frequent situations in which a circuit cannot be recovered from fusion easily.A cutoff circuit is composed by connecting in parallel two fusible l...
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JP2017135851A |
To control a short-circuit of both rectifiers.A rectifier connection device 30 includes: an existing first connection part 31 connected to an existing first terminal 12; an existing second connection part 33 connected to an existing seco...
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JP2017121134A |
To provide a connection device, a lighting device, an illumination device, a luminaire and an illumination system that can suppress a failure of connection target equipment due to a reverse voltage while achieving miniaturization and not...
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JP6148117B2 |
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JP6121297B2 |
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JP6116523B2 |
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JP6109043B2 |
To prevent damage on equipment due to bonding to ON of a relay.A power feeding control device is mounted on a vehicle which can supply power between a device connected to a terminal and an onboard battery, through a first terminal and a ...
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JP6109410B2 |
A FET of a power supply reverse connection protection section is connected between a battery and an electronic device, and at a time of reverse connection of the battery, the FET is turned off and a parasitic diode of the FET prevents a ...
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JP2017060226A |
To prevent reverse voltage applied to an on-vehicle load.A battery terminal has a connection part connected to a relay that shuts off power fed to an on-vehicle load by turning off a relay contact by electric conduction of a relay coil t...
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JP6091478B2 |
A switch box includes a relay transistor circuit connecting a pair of batteries in parallel, and an breaker circuit that breaks the relay transistor circuit when a sign of a potential difference between a potential of at least one of the...
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JP6067443B2 |
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JP2016226246A |
To provide "power source protection device" which protects a load device from reduction of a power supply voltage.A P-channel MOSFET 106 is turned on when positive and negative electrodes of a battery power source Ebat are connected corr...
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JP6001820B2 |
A power cable breaking detection method for a vehicle includes detecting currents of respective phases supplied to a three-phase motor from an inverter through at least a power cable, and a driving speed of the motor, determining whether...
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JP2016174457A |
To prevent a current from flowing to a load side circuit when a DC power supply is connected reversely, and to keep current flow even if the positive connection time DC power supply voltage changes from a normal voltage to a low voltage....
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