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Matches 451 - 500 out of 1,753

Document Document Title
JP4543483B2  
JP4543501B2  
JP4541034B2  
JP2009089529A5  
JP2010181331A
To provide a technology for preventing beforehand a noise trouble of a telephone line or a burnout accident which may occur when an AC adapter which is not an annexure (a genuine unit or a standard article) of a VoIP adapter is connected...  
JP2010181255A
To reduce the number of power lines of a load and the number of switching elements and current sensors.Nine first to ninth heaters 2-1 to 2-9 for heating a heat plate 1 are connected to respective intersection parts obtained by virtually...  
JP2010172149A
To provide an overvoltage protection device which when detecting an overvoltage applied to an electronic apparatus, cuts off application of the overvoltage to the electronic apparatus and maintains the cutoff state to prevent the breakag...  
JP2010166679A
To detect an abnormality with power lines for charging inside a vehicle in a charging system of an electric vehicle. In the charging system of an electric vehicle, a signal application section 520 of an ECU 170 applies test signals from ...  
JP4483751B2  
JP2010130742A
To turn on a switch of MOSFET to supply power to a desired circuit without use of a boost circuit to prevent reverse current when a battery is reversely connected using the MOSFET. A load circuit is provided between the source of MOSFET ...  
JP4474077B2  
JP4463963B2
Along with the expansion of the application range of solar power generation systems, connection to a single-phase 100-V system is required. To most easily meet this requirement, a non-insulated inverter with a single-phase two-wire 100-V...  
JP2010108874A
To provide an electronic apparatus capable of surely detecting grounding of a self-grounding terminal even in case of connecting with another electronic apparatus through a signal cable.In the electronic apparatus 1, a terminal section 4...  
JP2010110210A
To provide a new and improved protecting circuit for an external battery pack, especially for the battery pack for a cellular phone.The protecting circuit is equipped with: an assembly of switches which controls the connection of the out...  
JP2010044521A
To provide an inductive load drive circuit for reducing power consumption in normal time, and suitably preventing occurrence of large current in battery reverse connection.The inductive load drive circuit 10 has: a switch circuit 12 prov...  
JP2010041759A
To provide a power distribution system which can prevent a DC load connected to a DC outlet from being broken through misconnection.The DC power distribution system is laid within a building which is equipped with a DC distribution panel...  
JP2010022163A
To provide a charge cable, a charge control device, and a vehicle charging system, capable of detecting the abnormal states of the charge cable, including the disconnection of a control line through which pilot signals are communicated.T...  
JP2010011535A
To provide an apparatus for connecting parallel operation generators, which does not need a plug socket for exclusive use in parallel operation, when connecting and operating a plurality of generators in parallel, and in which the output...  
JP2010011536A
To provide an apparatus for connecting parallel operation generators, that starts or stops a plurality of generators slated to parallel operation, via a single remote control.The apparatus connects and operates two generators A and B via...  
JP2010011598A
To provide an inductive load driving circuit which reduces power consumption in a normal operation and properly prevents a high current from being generated when a battery is connected in the opposite direction.The inductive load driving...  
JP2010011537A
To provide an apparatus for connecting parallel operation generators, which prevents the output of the other generator from appearing as it is in the terminal of a plug having come off, by detecting a current between a plurality of gener...  
JP2009284688A
To provide an overvoltage protecting circuit having resistance against an input voltage of inverse polarity.A drain of a first transistor M1 is connected to an input terminal 102, and its back gate is connected to its source. A first res...  
JP2009261064A
To provide electronic equipment wherein it is possible to reduce sneaking of current and malfunctions of an internal circuit.The electronic equipment 7 includes: an electric circuit 10 having a control circuit 19 that controls supply vol...  
JP4348697B2  
JP2009236594A
To provide a connection abnormality detection device and a domestic electric instrument can detect a connection abnormality with high detection accuracy by an inexpensive constitution, and controlling a load to prevent emission of smoke ...  
JP4344569B2  
JP2009207273A
To detect disconnection of a distribution line inexpensively, and to determine a failure of a radio communication unit.A system for detecting disconnection of a high voltage distribution line comprises a plurality of radio communication ...  
JPWO2007110913A1
交流電力系統と連系する系統連系インバータ 装置において、誤接続によって入力側へ負電 圧を印加した場合であってもヒューズ等の過 電流保護素子等を用いることなく昇圧ス...  
JP4305875B2  
JP2009147994A
To provide a power supply control circuit in which an overvoltage protective circuit normally operates without being influenced by a reversely connected circuit of a power supply with respect to a counter electromotive voltage generated ...  
JP4276871B2  
JP4270453B2
To provide an instantaneous voltage drop predicting system capable of speedily notifying a customer of absolutely necessary information on an instantaneous voltage drop using simple equipment. This instantaneous voltage drop predicting s...  
JP4262266B2  
JP2009100547A
To provide a malfunction preventing circuit which can appropriately be operated without damage of startability of a load circuit and without malfunction of the load circuit even if field decay surge occurs and to provide a mobile electro...  
JP2009089529A
To avoid sustention of unstable power supply from the power supply side to the side being supplied with power through a power supply cable.The cable break detection circuit includes an SW element 13, a control IC 14, and a return line 15...  
JP4252117B2  
JP2009005535A
To protect a circuit structure of a unit when a power source protection circuit is mounted on a different power supply rack erroneously with regard to the power source protection circuit of a unit to be mounted on a rack.The power source...  
JP4186896B2  
JP4178364B2  
JP2008237002A
To solve the problem of a conventional DC power supply that the area where any power supply system disconnection, including output path disconnection, electronic substrate pattern damage, and defective connector contact, occurs overheats...  
JP2008220055A
To provide a power supply device which can prevent wrong wiring connection between an input terminal and an output terminal.The switching power supply device 1 comprises a voltage conversion circuit 13 which converts an input voltage inp...  
JP4149440B2  
JP2008206349A
To provide an electronic device with a simple circuit structure capable of handling various problems such as back-flow prevention in a charging input section, overvoltage input, connection among a plurality of charging power supply sourc...  
JP2008199805A
To provide portable equipment which has a simple connection system between its main body and a power unit and can avoid connection in condition that mutually incompatible power is inputted, and enables a maintenance worker to know in wha...  
JP2008199750A
To provide a parallel operation connecting apparatus of a power generator, in which a private connection terminal is not required when a plurality of power generators are connected by plugs and are operated in parallel, and output of the...  
JP2008182805A
To provide a power unit excellent in safety, without causing secondary disaster such as electric shock even if a power cable should be cut by any chance.A power unit (5), which is equipped with a power socket (8) that has a plurality of ...  
JP4129118B2  
JP4107789B2  
JP4103836B2  
JP2008104308A
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 ...  

Matches 451 - 500 out of 1,753