Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 401 - 450 out of 1,753

Document Document Title
JP5297585B2
To protect against different voltages due to user's erroneous operation or malfunction of a micro-computer or the like without cutting a fuse. A device equipped with a different voltage protective function includes a protective switch 18...  
JP5274823B2
A power supply control circuit includes a control circuit that controls an output transistor to be rendered conductive by forming a second electrical path between a second power supply line and a control terminal of the output transistor...  
JP5274824B2
An exemplary aspect of a power supply control circuit includes a reference voltage control circuit (131) that applies a potential corresponding to a potential of a second power supply line (103) to a reference voltage node (130) connecte...  
JP5231740B2  
JP2013522105A
The present invention is the 1st voltage level (V).SYS1The 1st energy pooling system (Esys1) it has, and the 2nd voltage level (V)SYS2The 2nd energy pooling system (Esys2) it has, and when the 2nd voltage level is one below of the 1st vo...  
JP2013520949A
It is a backup power supply provided with a reverse connection protection instrument and this. The 1st and the 2nd derivation end where a reverse connection protection instrument was matched with the 1st and 2nd introductory ends and the...  
JP2013110907A
To provide an electric and electronic apparatus controller which can be applied without regard to the presence or absence of a breaker, thereby being capable of safety processing on a failure caused by the application of an excessive vol...  
JP5177127B2  
JP5140124B2  
JP5117296B2
In an apparatus for connecting two generators to run in parallel, having plugs connectable to each generator output socket, an output socket connected to an electrical load, conductive paths that connect the plugs to the output socket wh...  
JP5119976B2  
JP2012244716A
To provide a protection circuit capable of highly accurately detecting an input of an AC power supply and protecting a subsequent circuit from the input of the AC power supply, and to provide an electronic apparatus including the protect...  
JPWO2011001509A1
The voltage of each phase line (L1, L2, L3) of the above-mentioned 3 phase 4-wire system exchange power supply (1) is rectified in all the wave rectification circuits (11), and it is judged whether the output voltage of these wave rectif...  
JPWO2011001509A
The voltage of each phase line (L1, L2, L3) of the above-mentioned 3 phase 4-wire system exchange power supply (1) is rectified in all the wave rectification circuits (11), and it is judged whether the output voltage of these wave rectif...  
JP2012235683A
To provide a load control and protection system for protecting the load from overcurrent resulting from an open ground failure and the like.A system (51) comprises: a DC terminal (27) which is connected to a DC bus (23); a load terminal ...  
JP2012222885A
To provide a downsized protection circuit.A protection circuit 1 comprises an FET 3, a resistive element 5, a Zener diode 7, and an energizing element 20. A drain D and a source S of the FET 3 are connected to a node ND1 and a node ND2 o...  
JP2012164567A
To resolve a problem that it is not easy to confirm wrong connection from a distribution board to each receptacle in the case that a receptacle for an AC power supply and a receptacle for a DC power supply are mixed and installed.A DC po...  
JP2012161155A
To provide an outlet capable of achieving further high safety and energy saving by detecting failure in an electrical apparatus connected with the outlet or failure in a connection state of a plug and the outlet.The outlet 2 includes: a ...  
JP4993777B2  
JP2012123904A
To provide a polarity free battery box in which any one can set a battery easily without being aware of the polarity thereof.A bridge diode 24 having an AC input terminal 26 and a DC output terminal 38 is fixed to a part of a case 18 for...  
JP4949328B2  
JP2012065529A
To provide a method for preventing an accident leading to a fatal damage from occurring by detecting early and clearly a disconnection and a disconnected part of a power cable which transfers drive power output from an inverter to a moto...  
JP2012055085A
To provide an AC adapter determination circuit, along with an electronic apparatus and an AC adapter determination method, capable of avoiding an inappropriate AC adapter from being used, and capable of properly determining whether or no...  
JP4890247B2  
JP2012039803A
To provide an electronic circuit which has a function to protect an IC element from excessive current due to latchup.An electronic circuit comprises: an IC element having a terminal connecting to a power source voltage and a terminal con...  
JP2012022533A
To provide a power-on-control circuit capable of providing protection and safety for an information processing device by stopping power feeding immediately after power-on when a circuit of the device is failed.A power-on-control circuit ...  
JP2012016481A
To elongate a life while suppressing cost, in a power supply device for a game machine having a circuit for protecting an internal circuit when an overvoltage is applied.The power supply device 11 for the game machine includes a power su...  
JP2012008820A
To make it possible to hold the system operation against the contact failure of an insertion substrate.A standby insertion substrate 200b can be operated instead of a running insertion substrate 200a. When the engagement state of the run...  
JP4844290B2  
JP2011259627A
To provide a power supply reverse connection protective circuit which can recognize the reverse connection of an external DC power supply and the application of a negative surge and can surely prevent the generation of an overcurrent in ...  
JP3171998U
[Subject] In the time of connection construction with a power supply in initial setting in a communication apparatus of a mobile communications method, etc., etc., a power supply incorrect connection prevention circuit which avoids incor...  
JP2011244592A
To provide a drive controller of single phase induction motor capable of correctly recognizing open operation of a thermal protector.A drive controller of single phase induction motor comprises: first voltage monitoring means (15) that m...  
JP4813324B2  
JP2011199961A
To provide a reverse flow prevention circuit for power supplies that can be used together with high-voltage circuits and can be embedded in an IC chip.The reverse flow prevention circuit is constructed as follows. The drain terminal of F...  
JP2011188592A
To obtain a higher harmonics countermeasure apparatus capable of correctly determining (preventing an incorrect determination) whether or not the connection state of current detectors for detecting a current flowing from a power supply i...  
JP2011188629A
To provide an overvoltage protection device which cuts off a voltage applied to an electronic apparatus, and maintains the voltage cutoff state to prevent a damage to the electronic apparatus due to overvoltage application when detecting...  
JP4773644B2  
JP2011160560A
To prevent damage of DC distribution equipment in the DC distribution equipment having possibility of erroneous connection of an AC power supply and a DC power supply in the case of construction.A device for protection of input in the DC...  
JP4734675B2  
JP2011135665A
To provide a small inexpensive protector, in which a rush current preventing function, a power reverse connection protection function, an input momentary power failure protecting function, and a voltage rise protecting function by a rege...  
JP2011135633A
To provide a reverse connection preventing circuit for reliably preventing reverse connection while reducing the cost of an entire system using the reverse connection preventing circuit.A latch relay 22, a second diode 23 for reverse con...  
JP4719776B2  
JP4718384B2  
JP2011130621A
To provide a reverse flow preventing circuit for power supply circuit capable of reducing voltage drop.A transistor Q1 is connected in parallel with a diode D1 for preventing reverse flow. When a positive electrode and a negative electro...  
JP2011101525A
To apply a voltage of a predetermined polarity to a load circuit regardless of the mounting orientation of a DC power supply, while minimizing a voltage drop in a power input circuit.The power input circuit includes: a transistor 31 whic...  
JP4685758B2  
JP2011083074A
To provide an erroneous connection protector wherein in case of erroneous connection, it is possible to fuse a current fuse to maintain a safe state.A direct-current device protector is equipped with a current fuse 21 connected in series...  
JP2011083046A
To provide a power supply control system which prevents damage to a load device and a power supply system when power supply is restarted after stopping the power supply in an unexpected accident, such as disaster.The power supply control...  
JP4648195B2
A communication circuit enables protection against improper wiring and high speed data communication over long wiring distances using only three wires including the power supply lines. The communication circuit uses one of the two AC pow...  
JP4612855B2  

Matches 401 - 450 out of 1,753