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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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JP2017229199A |
To reduce a loss in the case that a high-voltage DC power supply is normally connected and securely protect a voltage conversion circuit in the case that the high-voltage DC power supply is reversely connected.There is provided a reverse...
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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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JP2017532940A |
A method of the present invention is performed in a current collection box of DC portion of PV plant before starting, forms a measuring circuit, and sets it in the circuit concerned, At least one of the direction of DC current, the polar...
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JP2017195718A |
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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JP2017530673A |
An input part to be an electric power disequilibrium relief polarity amendment circuit which has the 1st and 2nd polarity amendment circuit, and for the 1st and 2nd polarity amendment circuit receive an input respectively, An outputting ...
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JP6195507B2 |
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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 |
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JP2016524455A5 |
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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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JP2017139866A |
To provide a control circuit capable of preventing a reverse current from flowing even when a DC power supply is reverse-connected, and that can be designed with ease.A control circuit 1 comprises: a first switch element Q12 that has a p...
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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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JPWO2016063760A1 |
When it is judged based on the voltage detected by voltage detector 31 that voltage detection line 23 between applicable battery 21 and voltage detector 31 is disconnected, battery module 2 provided with the voltage detection line 23 is ...
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JP2017085761A |
To provide an electric motor drive circuit which detects a reverse connection protection circuit failure irrespective of whether an electric motor is driven or not driven without requiring an additive power supply for failure detection a...
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JP6121297B2 |
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JP6116523B2 |
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JPWO2015145733A1 |
FET11 of power supply reverse connection protecting part 6 is connected between battery 100 and electronic device 2, FET11 turns off at the time of reverse connection of battery 100, and it prevents current with which parasitism diode D1...
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JP6109043B2 |
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JP6109410B2 |
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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 |
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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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JP2016192838A |
To provide a sensor device capable of improving the reliability by protecting a sensor element and a signal processing circuit from reverse connection of a power source.The sensor device is configured so that, when the power source is no...
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JP6001820B2 |
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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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JP5982632B2 |
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JP2016524455A |
[Means for Solution] It detects that electronic equipment is put to humidity with a possibility of damaging electronic equipment, and when a humidity level is too high, a method and a device which bar a flow of electric power to electron...
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JP5961854B2 |
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JP5956330B2 |
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JP5953099B2 |
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JP5941128B2 |
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JP5931626B2 |
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JP2016101034A |
To provide an overvoltage protection circuit capable of protecting an internal device by an easy method if a commercial power source having a larger voltage than usual is connected by mistake.An overvoltage protection circuit 10 comprise...
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JP2016093005A |
To provide a switch box capable of surely preventing a reverse connection current when a buttery is reversely connected.A switch box according to one embodiment includes a relay transistor circuit for connecting a pair of cells in parall...
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JP2016085555A |
To prevent the damage of a circuit element due to erroneous connection or short circuit.A controller 5 of a solar illumination system 1 includes: a first switch PFET 1 interposed on a charging current path 6; a second switch PFET 2 inter...
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JP2016052176A |
To provide a power supply system capable of protecting a driver at the time of inverse battery connection.A power supply system 1 includes: an alternator 20 including a rectification circuit 23 composed of rectification diodes 231 to 236...
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JP2016510208A |
The reverse battery protection circuit for the device by which an electric power supply is carried out with the battery combined in parallel contains P channel and N channel MOSFET. Each plus battery terminal connector of the device by w...
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JP2016046845A |
To provide a power supply system and a power supply method capable of effectively preventing power supply through an imitation at low cost.Corresponding apparatus identification information indicating a corresponding apparatus is stored ...
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JP5884694B2 |
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JP2016015807A |
To prevent breakage of an electronic apparatus due to a short circuit between a terminal used for charging of a secondary battery and a peripheral conductive material when charging for the secondary battery built in the electronic appara...
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JP2015507455A5 |
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JP2015225229A |
To appropriately and efficiently grasp a voltage drop amount at the time of executing a function on the basis of an installation environment and appropriately determine whether the function can be executed.An electronic apparatus include...
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JP5827755B2 |
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JP2015213420A |
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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JP2015211163A |
To inhibit a current generated in a semiconductor integrated circuit in reverse connection with a power supply.According to one embodiment, a semiconductor integrated circuit has a signal processing part and a protection circuit. The sig...
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