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Patent Searching and Data


Matches 551 - 600 out of 4,837

Document Document Title
WO/1989/001718A1
A protective switching device for electrical appliances, in particular household appliances, has at least two current-carrying leads (L1', L2') and a spring-loaded switch (6) which can be switched off by a remote-controlled trip element ...  
WO/1988/010019A1
The electrical circuit breaker serves as a protective measure, in particular against electrocution in the bath in the event of a hairdryer falling into a bathtub filled with water. The circuit breaker operates very simply on alternating ...  
WO/1988/006813A1
An immersion detector circuit interrupter (38) having a sensor (22) located around the electrical components of an appliance (10) and switches (44) for interrupting the delivery of alternating current to the appliance (10) whenever the s...  
WO/1988/005974A1
In order to provide equipment with fail-safe characteristics in the event of accidents or failures that could disable the protective device of electrically driven, in particular portable apparatuses with a movable mains connection line a...  
WO/1988/004488A1
A method and system for electronically simulating, indicating and controlling the temperature of liquid cooled multi-phase electric power transformers. The temperatures of transformer windings are electronically computed from the actual ...  
WO/1988/000405A1
The system described operates in a very simple manner during a.c. operation and is particularly suited for providing protection against danger. A bistable relay (1, 5, 6) is used as the cut-off device, said relay drawing the power requir...  
WO1987001902A3  
WO/1987/002835A1
A device for protecting against excess current comprises a positive temperature coefficient (PTC) device and a tension spring connected by a solder joint adjacent the PTC device. Electrical current passes in series through the spring and...  
WO/1987/001902A2
A protective circuit for electrical apparatus has an insulated safety line (4) extending from the relevant electrical apparatus (6) to the protective circuit (2). The safety line (4) has inside the apparatus (6) at least one non-insulate...  
WO/1986/006920A1
An electrical heating pad, in particular a mattress to be laid under a patient during surgery, comprising a number of partially overlapping resistor elements (11-18). The foil elements cover different regions of the pad and are positione...  
WO/1986/002500A1
A method and a device for detection of an electric load (9) for the purpose of allowance of its connection to a power voltage from an electric voltage source over electric conductor means (7, 8). They are normally kept free from power vo...  
WO/1986/001299A1
Circuit for continuously controlling the grounding resistance of electric apparatuses of which the electrically conducting components susceptible of being touched, such as the casing, are connected by a grounding wire to a ground potenti...  
WO/1986/000179A1
Overheating alarm for surveillance of heat emitting objects, preferably intended for surveillance of hotplates and electric cookers. Emitted heat radiation from a monitored object is detected by an IR-detector, located at a distance from...  
WO/1985/002724A1
New device for protecting human life and property against electrical shock and more specifically to a shock hazard prevention system for disconnecting an electrical load from an electrical source when a shock hazard condition exists with...  
WO/1985/002744A1
In a two-way cable television (CATV) system, multiple subscriber address codes are provided during designated vertical blanking interval (VBI) lines of the video signal transmitted from the CATV headend to a plurality of system subscribe...  
WO/1983/003160A1
To protect the operator of an electrically supplied apparatus in a damp room against an electric discharge, there is provided a protection device comprised of a probe formed by two conductors (44, 45; 46, 47) which cannot come in contact...  
WO/1983/001138A1
A system for monitoring abnormally high temperature along the length of a heating conductor (H) includes a tracing cable (T) containing a heating conductor (H) and a monitoring conductor (M). The monitoring conductor (M) is connected to ...  
WO/1979/001033A1
Protection arrangement against a solicitation by suppression of the encapsulation (6), in switching devices encapsulated and insulated by pressure gas, distributed within individual sealed compartments. The arc is short-circuited for ext...  
WO/1979/000769A1
A circuit breaker (1) having an electronic fault sensing and trip initiating unit (2) which provides increase versatility and ability to coordinate the circuit breaker with other interrupting and protective devices in a wide variety of e...  
JP2021500829A
本発明は、保護回路(1)に関する。前記保 護回路(1)は、第1の電界効果トランジス タ(2)と、制御装置(6)と、第1の温度 センサ(8)と、が少なくとも備える。...  
JP6808547B2  
JP2020205717A
To surely prevent secondary damage caused by an energized state of a secondary battery when a fire occurs or a fire extinguishing device is operating. In a DC power supply panel 10 having a plurality of secondary batteries (lithium ion s...  
JP2020199915A
To prevent an electric current from flowing into an organism even if the organism touches a contact on the road in a contact type power feeding device. A contact-type power supply device 100 that contacts a vehicle-side contact of a vehi...  
JP2020202604A
To protect a power supply line in a master-slave system without increasing the function of a slave device. The slave device includes a battery, a master device supplied with power from the battery, and a slave device supplied with power ...  
JP2020198766A
To provide a power supply switching system capable of cutting off a load from a power source even if an earthquake occurs in a state where a commercial power source is cut off and a load is operated by a distributed power source. A switc...  
JP6796464B2  
JP6797468B2  
JP2020188574A
To suppress complicated configuration of a device provided with a thermal protector while suppressing automatic restart of power supply to a load due to a natural decrease in ambient temperature. Provide thermal protectors and submersibl...  
JP2020187822A
To provide a storage battery device capable of improving convenience. According to one embodiment, a storage battery device having a housing, a plurality of assembled batteries, and a line heat detector is provided. A plurality of assemb...  
JP6779625B2  
JP2020178436A
To appropriately determine an off abnormality of a switch in an opening / closing unit in which a first switch and a second switch connected in series in which the directions of diodes connected in parallel are reversed from each other. ...  
JP2020167882A
[Subject] The electric power distribution apparatus which can supply electric power to load according to circumference environment is provided. [Means for Solution] Electric power distribution apparatus 50 which distributes electric powe...  
JP2020158023A
[Subject] A vehicle control system which may make compatible improvement in the safety of vehicles after an urgent stop which occurred during automatic operation, and improvement in run continuity is provided. [Means for Solution] Contro...  
JP2020162416A
[Subject] Offer of a household appliance containing which circuit device for protection to charge and/or an electric discharge control device and/, or excessive overheating of a rechargeable battery. [Means for Solution] Charge a recharg...  
JP6762550B1
Like [ of a switchboard, a distribution board, an electric light board, a power board, an operator control panel, and a junction box ], The occurrence of an electric accident connected with a from fire in an electric power device to whic...  
JP6758221B2  
JP6756015B1
[Subject] The vicarious traumatization caused by a rechargeable battery being in an energization state, when a fire breaks out or the fire-extinguishing device is working can be prevented certainly. [Means for Solution] In direct-current...  
JP2020145828A
To surely prevent an electrolytic capacitor from opening when an overvoltage of an AC power source is generated, regardless of the state of the device operated by a voltage generated by the power supply device. A power supply control dev...  
JP6748540B2  
JP2020137352A
To provide a power supply device capable of blocking a semiconductor switch in the case where an application voltage to the semiconductor switch is reduced, and an operation of a protection feature becomes an unstable state.A power suppl...  
JP6738700B2  
JP6738905B2  
JP6730390B2  
JP2020111882A
To achieve overcurrent protection while miniaturizing a device and improving safety.An electric lock controller 1 for controlling an electric lock 2 includes a power supply circuit 3, a relay 4, a control unit 5, a switching element 6, a...  
JP2020112377A
To detect disconnection of a second power source line in a battery pack including a control unit to be driven by power to be supplied from at least one of the first and second power source lines.A battery pack 1 includes: a first power s...  
JP6725453B2  
JP2020108190A
To provide a charger, a control method thereof, and a control program thereof that can suppress an arc discharge that occurs when a terminal body is separated from a charger terminal.A charger 102 charges a mobile terminal 100 with a pre...  
JP6719765B1
Like [ of a switchboard, a distribution board, an electric light board, a power board, an operator control panel, and a junction box ], The occurrence of the electric accident connected with a from fire in the electric power device to wh...  
JP6719764B1
Like [ of a switchboard, a distribution board, an electric light board, a power board, an operator control panel and a junction box ], The occurrence of the electric accident connected with a from fire in the electric power device to whi...  
JP3226515U
[Subject] Various electric power information is used and a smart grid protection system arranged at a power line network which can protect each electric power node in a predetermined field is provided. [Means for Solution] A smart grid p...  

Matches 551 - 600 out of 4,837