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Matches 301 - 350 out of 1,748

Document Document Title
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...  
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...  
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...  
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...  
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...  
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 ...  
JP6195507B2  
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...  
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 ...  
JP6190204B2  
JP2016524455A5  
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...  
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...  
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...  
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...  
JP6148117B2  
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 ...  
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...  
JP6121297B2  
JP6116523B2  
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...  
JP6109043B2  
JP6109410B2  
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...  
JP6091478B2  
JP6067443B2  
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...  
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...  
JP6001820B2  
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....  
JP5982632B2  
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...  
JP5961854B2  
JP5956330B2  
JP5953099B2  
JP5941128B2  
JP5931626B2  
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...  
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...  
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...  
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...  
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...  
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 ...  
JP5884694B2  
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...  
JP2015507455A5  
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...  
JP5827755B2  
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...  
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...  

Matches 301 - 350 out of 1,748