Abstract: The present invention relates to an electrical device for rail mounting. Such electrical devices are mounted in use in a side-by-side relationship on a carrier rail. An electrical device for rail mounting comprises a housing having a rail receiving recess therein, at least one edge of said recess being defined by an end region of a latch member that is movable relative to the housing in a direction transverse to the recess, and resilient means biasing the latch member to move in a direction to reduce the width of said recess. Said resilient means comprise a torsion spring having a first leg and a second leg deflectable around a hinge region, said first leg resting against a protrusion of the housing, and said second leg resting against the latch member.

Abstract: A method for initializing an appliance in a delivery state comprises providing a control unit connected to a memory unit and a variable control mechanism, storing a first code word in the memory unit, and changing the first code word to a second code word using the control unit when the variable control mechanism is adjusted by a user. The variable control mechanism is adjustable by the user to control an output value of the appliance. A predetermined delivery output value of the appliance is associated with the first code word.

Abstract: The waterproof case includes a case body, which defines an inner space for accommodating an electrically functional component. The waterproof case includes at least one opening, and at least one plug, which is mounted in the opening to form a part of a wall of the inner space. The plug includes at least one terminal conduit forming a feedthrough for a terminal. The plug is arranged in the opening to form with the case body an external space, and the external space is filled with an electrically insulating material for sealing the waterproof case.

Abstract: A plug-in power supply for supplying a consumer with a low voltage and a plug-in power supply which in operation is configured as a power adapter unit with one of its matching interchangeable mains plug units. The power adapter unit comprises a housing; a voltage transformer module for converting a mains voltage into the required low voltage in the housing; an engaging seat, for the plug unit, at an inner side of the power adapter unit to be directed towards a mains socket, the plug unit being slidably connected with the engaging seat; at least two electric contacts in the seat connecting the transformer module with contacts at an inner side of the plug unit directed towards the power adapter unit; and a locking member, at a rear profile of the engaging seat which limits the sliding of the plug unit.

Abstract: An adapter housing for waterproof mounting a power supply circuit to an exterior wall of an appliance. The wall has an opening for a plug to connect the socket. The adapter includes a front wall having a connecting area and a mounting area; and a sealing element connected to the front wall. The sealing element surrounds the connecting area and the mounting area. The front wall opens at the connecting area into a recess defining a socket for receiving a plug. The front wall enables a sealed mounting to an exterior wall of the appliance. A side wall, together with the front wall, defines a compartment for receiving a power supply circuit. The sealing element surrounds the connecting area and the mounting area on the front wall such that it seals the compartment from an opening of the exterior wall.

Abstract: A power transmission device for inductive energy transfer. The power transmission device comprises a first stage adapted to be connected to a supply input voltage and adapted to convert the supply input voltage to an operating voltage. The power transmission device further includes a second stage comprising a resonant circuit connected to the first stage and adapted to generate an oscillating voltage from the operating voltage so as to generate a magnetic field for inductive transfer of energy from the power transmission device to a target device. A control circuit is connected to the second stage. The control circuit is adapted to detect a parameter value of the second stage and is adapted to start or stop amplification of the resonant circuit based on the detected parameter value.

Abstract: A protective housing for an electronic module comprises a shell defining an inner compartment receiving an electrical component and a cooling element. The cooling element has a cover plate, a first side plate, and a second side plate. The first side plate and the second side plate extend from the cover plate, face each other, and form an inside surface, an outside surface, and edges of the cooling element. A portion of the inside surface of the cooling element covers the shell to form a cover of the inner compartment. The cooling element forms a channel that extends partly in the cover plate between opposing edges of the cooling element and increases a volume of the inner compartment. The inner compartment is filled with an electrically insulating material through a cut-out in the cover plate, leaving a void in a portion of the channel.

Abstract: A plug-in power supply for supplying a consumer with a low voltage and a plug-in power supply which in operation is configured as a power adapter unit with one of its matching interchangeable mains plug units. The power adapter unit comprises a housing; a voltage transformer module for converting a mains voltage into the required low voltage in the housing; an engaging seat, for the plug unit, at an inner side of the power adapter unit to be directed towards a mains socket, the plug unit being slidably connected with the engaging seat; at least two electric contacts in the seat connecting the transformer module with contacts at an inner side of the plug unit directed towards the power adapter unit; and a locking member, at a rear profile of the engaging seat which limits the sliding of the plug unit.

Abstract: The invention relates to a choke circuit and a bus power supply incorporating same. Such a coil choke circuit includes an inductor connected between a first input terminal and a first output terminal, a boost circuit connected between a second input terminal and a second output terminal for increasing the voltage level that is output by the second output terminal. A switching element is connected in parallel to the boost circuit for bypassing the boost circuit. Additionally, a comparator is connected between the first input terminal and the first output terminal for detecting a potential difference across the inductor; wherein in case the comparator detects a potential difference higher than a threshold, the switching element is controlled to be in an OFF state; and in case the comparator detects a potential difference lower than or equal to the threshold, the switching element is controlled to be in an ON state.

Abstract: A power transmission device for inductive energy transfer. The power transmission device comprises a first stage adapted to be connected to a supply input voltage and adapted to convert the supply input voltage to an operating voltage. The power transmission device further includes a second stage comprising a resonant circuit connected to the first stage and adapted to generate an oscillating voltage from the operating voltage so as to generate a magnetic field for inductive transfer of energy from the power transmission device to a target device. A control circuit is connected to the second stage. The control circuit is adapted to detect a parameter value of the second stage and is adapted to start or stop amplification of the resonant circuit based on the detected parameter value.

Abstract: A power supply unit is provided for supplying low voltage power. The supply unit includes at least one power plug contact connectable to a supply voltage; at least one output lead for outputting the low voltage; and a voltage transformer unit having at least one electronic component for transforming the supply voltage to the low voltage. The power supply unit includes a casing made of a casing base element and a lid element, such that the power plug contact is held in the casing base element or in the lid element in such a way that it can be plugged into a power socket. The voltage transformer unit is mounted on a circuit carrier which is arranged in the casing base element in such a way that a defined first region of the circuit carrier is received in a casting space filled with an electrically insulating casting compound.

Abstract: The invention relates to a circuit for a system for contactless, inductive power transmission, in particular for use in supplying power to mobile devices, and to an associated charging circuit. The circuit comprises a primary-side circuit, which is disposed on a primary side and can be connected to a primary-side supply voltage, and a secondary-side circuit, which is disposed on a secondary side and can be connected to a load to be supplied with power. Furthermore a transformer stage having galvanic isolation is provided for the contactless transfer of power from the primary side over an air gap to the secondary side, wherein at least two magnetically coupled coils are provided for inductive power transmission and can be spatially separated from one another by distancing the secondary side from the primary side. The transformer stage has a resonant converter and the secondary-side circuit further comprises a restabilisation stage.

Abstract: The present invention relates to a battery charger for charging a battery (10), said battery charger comprising an AC/DC power supply means (1), a pulse width modulation controlled DC/DC converter (2) and a control unit (3) that is connected to the AC/DC power supply means (1) and the PWM-controlled DC/DC converter (2). The battery charger has a maximum output power while avoiding to blow up small battery packs if the control unit (3) is adapted to measure at least a voltage and a current at terminals of the battery (10) to be charged, calculate a power at the battery (10), compare the calculated power and the nominal maximum power of the AC/DC power supply means (1), and transmit a signal to the PWM-controlled DC/DC converter (2) to adjust a charging current supplied to the battery (10) based on the comparison result. A temperature at the battery can also be measured.

Abstract: A power supply unit is provided for supplying low voltage power. The supply unit includes at least one power plug contact connectable to a supply voltage; at least one output lead for outputting the low voltage; and a voltage transformer unit having at least one electronic component for transforming the supply voltage to the low voltage. The power supply unit includes a casing made of a casing base element and a lid element, such that the power plug contact is held in the casing base element or in the lid element in such a way that it can be plugged into a power socket. The voltage transformer unit is mounted on a circuit carrier which is arranged in the casing base element in such a way that a defined first region of the circuit carrier is received in a casting space filled with an electrically insulating casting compound.

Abstract: The present invention relates to a battery charger for charging a battery (10), said battery charger comprising an AC/DC power supply means (1), a pulse width modulation controlled DC/DC converter (2) and a control unit (3) that is connected to the AC/DC power supply means (1) and the PWM-controlled DC/DC converter (2). The battery charger has a maximum output power while avoiding to blow up small battery packs if the control unit (3) is adapted to measure at least a voltage and a current at terminals of the battery (10) to be charged, calculate a power at the battery (10), compare the calculated power and the nominal maximum power of the AC/DC power supply means (1), and transmit a signal to the PWM-controlled DC/DC converter (2) to adjust a charging current supplied to the battery (10) based on the comparison result. A temperature at the battery can also be measured.

Abstract: The present invention relates to a method for producing an electrical subassembly comprising a circuit carrier and at least one passive component which is integrated into the circuit carrier and comprises an electrically functional material. For providing an improved method for manufacturing an electrical subassembly comprising a circuit carrier and at least one passive component integrated into the circuit carrier, the method ensuring a rapid and inexpensive manufacture on the one hand and permitting a high flexibility on the other hand in the selection of the electrically functional materials involved, the method comprising structuring the circuit carrier, at least one recess being created for the passive element; introducing the electrically functional material in a raw state into the recess of the circuit carrier; converting the electrically functional material from the raw state into a final state by supplying energy.

Abstract: The present invention refers to a plug connection for a mobile terminal. In order to provide an improved plug system which overcomes the problems of known solutions, according to the present invention, a plug connection is provided for electrically connecting a power supply unit which is to be supplied with mains voltage and is arranged within a mobile terminal via a power line carrying mains voltage or via a coupling piece, which can be coupled to a conventional power line to the mains voltage. The preferably flexible power line can be coupled to the power supply unit via a plug system comprising a plug connector and a receptacle, said plug system being dimensioned in a way, that it is smaller than plug systems according to IEC 320, and that it is complying with the valid standards in respect to the contact and handling safety.

Abstract: The present invention relates to a method for producing an electrical subassembly comprising a circuit carrier and at least one passive component which is integrated into the circuit carrier and comprises an electrically functional material.

Abstract: A protecting device for electrical appliances, connected in series with an AC electric circuit of a power supply of the electrical appliance, having an electrically conductive winding, the winding comprising an ohmic resistance for restricting input currents, as well as an interruption function, and a coil form onto which the winding is applied in at least one winding layer, characterized in that the electrically conductive winding is a bifilar winding.