Abstract:
The system 1 according to the invention comprises an energizable load 2 and an inductive powering device 9 and a permanent magnet 8 arranged on the conductor 4 for interacting with the further conductor 9a for aligning the inductor winding 6 with respect to the further inductor winding 9b. The energizable load 2 for enabling the inductive power receipt comprises a wiring 6 which cooperates with the conductor 4 for forming a secondary wiring of the transformer. In order to form the system for inductive energy transfer, the energizable load 2 is to be placed on the inductive powering device 9, whereby the surface 2a will contact the surface 7. The inductive powering device 9 comprises a further magnetizable conductor 9a provided with a further winding 9b thus forming a primary wiring of the split-core electric transformer. When the winding 6 is brought in the vicinity of the further winding 9b, the magnetic force acting on the further magnetizable conductor 9a serves for an instant proper mutual alignment of the winding 6 and further winding 9b. The invention further relates to a inductive powering device, an inductive load and a method for enabling an inductive energy transfer to en energizable load.
Abstract:
The mains supply device has an active mains network filter (1) without galvanic separation, for providing a constant DC voltage from the mains network voltage, its output fed to a DC voltage converter (4) with galvanic separation between the constant DC voltage and the voltage converter outputs (6,7). A regulator (5) provides regulation of the reference voltage provided at one voltage converter output, the second voltage converter output coupled to a voltage setting device (11).
Abstract:
Disposición (1; 1’; 100) de circuito de excitación, que comprende - una conexión (3) a una fuente (7) de energía eléctrica, y - una pluralidad de subsistemas (A, B, C; A’, B’, C’; A”, B”) eléctricos individualmente conmutables, comprendiendo cada subsistema - un conmutador (11-A, 11-B, 11-C) para controlar un flujo de energía desde la fuente (7) de energía eléctrica a dicho subsistema (A’, B’, C’; A”, B”), - un dispositivo (9-A, 9-B, 9-C) eléctrico, y - un dispositivo (10-A, 10-B, 10-C) de almacenamiento de energía para almacenar energía, - un controlador de conmutador para controlar los conmutadores (11-A, 11-B, 11-C), en la que cada subsistema (A’, B’, C’; A”, B”) comprende un subconmutador (13-A, 13-B, 13-C), construido y dispuesto para controlar un flujo de energía almacenada desde el dispositivo (10-A, 10-B, 10-C) de almacenamiento de energía al dispositivo (9-A, 9-B, 9-C) eléctrico, y un controlador de subconmutador para controlar los subconmutadores (13-A, 13-B, 13-C), según una instrucción de control externo basándose en una señal de retroalimentación.
Abstract:
The invention relates to a method and a device for grouping at least three lamps (1) and for assigning the lamps (1) to at least one operating unit. It is time-intensive to equip one or a plurality of rooms or halls within a building with lamps (1), particularly a grouping of lamps (1), and assigning lamps (1) to at least one operating unit. Therefore, grouping of lamps (1) and assigning the lamps (1) to at least one operating unit should be simplified. In accordance with the invention, a lamp (1) emits light and the other lamps (1) measure light, and distances between the lamps (1) are determined in dependence upon at least one light value and the lamps (1) are assigned to at least one operating unit in dependence upon the distances.
Abstract:
System and method of inductively measuring the bio-impedance of a conductive tissue The present invention relates to a system ( 100 ) and method of inductively measuring the bio-impedance of a conductive tissue ( 106 ). Furthermore the invention relates to a computer program ( 115 ) for operating such a system ( 100 ). In order to provide a fast, simple and reliable adjustment technique for an inductively bio-impedance measuring system ( 100 ) with separate generator and sensor coils ( 101, 108; 117 ) a system ( 100 ) is suggested, the system ( 100 ) comprising a generator coil ( 101 ) adapted for generating a primary magnetic field, said primary magnetic field inducing an eddy current in the conductive tissue ( 106 ), a separate sensor coil ( 108; 117 ) adapted for sensing a secondary magnetic field, said secondary magnetic field being generated as a result of said eddy current, with the axis ( 109 ) of the sensor coil ( 108; 117 ) being orientated substantially perpendicular to the flux lines of the primary magnetic field ( 103 ), and a shimming coil ( 113; 120 ) adapted for generating a tertiary magnetic field in a way that in the sensor coil ( 108; 117 ) the primary magnetic field is cancelled out.
Abstract:
Various receiver electrodes for supplying power to a load connected in a capacitive power transfer system are disclosed. In one embodiment, the receiver electrodes include a first conductive plate (212) connected to a first sphere-shaped hinge (211), wherein the first sphere-shaped hinge is coupled to a first receiver electrode (210); and a second conductive plate (222) connected to a second sphere- shaped hinge (221), wherein the second sphere-shaped hinge is coupled to a second receiver electrode (220),the second receiver electrode being connected to an inductor of the capacitive power transfer system and the first receiver electrode being connected to the load, the inductor being connected to the load to resonate the capacitive power transfer system.
Abstract:
A method of detecting a receiver (214) by a transmitter and a transmitter for detecting a receiver are provided. The transmitter is intended to transmit power inductively to the receiver (214). The transmitter comprising a first transmission coil as a first electrode (204) and a second electrode (206). The first electrode (204) and the second electrode (206) form a capacitor (202). The method comprises the steps of applying a voltage (216) to any one of the electrodes (204, 206) and detecting a capacitance change of the capacitor (202).
Abstract:
The invention relates to light-emitting diodes (O-LED). In particular, it relates to the driver electronics needed for these devices. An organic electroluminescent device is provided, which has a hermetically closed very flat housing. To improve the functionality of an O-LED, considerably reduce the height of an O-LED module and allow a cost-effective mass production, the driver circuit and the electronic driver elements or the printed circuit board (PCB) with the electronic driver elements are incorporated into the cover plate of the device.