| Patent Number |
Title Of Patent |
Date Issued |
| 7375656 |
Circuit configuration for a capacitive touch switch |
May 20, 2008 |
| A circuit configuration for a capacitive touch switch contains at least one sensor circuit with a capacitive sensor element which changes its capacitance value when touched, and an evaluation circuit which is supplied with an output signal from the sensor circuit in order to determin |
| 7355164 |
Touch-sensitive momentary-contact switch and control device having the momentary-contact switch |
April 8, 2008 |
| An infrared momentary-contact switch for a control device of a domestic appliance, has a transmitter which emits infrared radiation and a receiver which receives infrared radiation. The transmitter and receiver are disposed behind a cover through which at least some of the infrared r |
| 7340158 |
Method and circuit configuration for controlling a polyphase brushless electric motor |
March 4, 2008 |
| A method is specified for controlling a polyphase brushless electric motor, wherein the motor phase currents which are associated with the phases are produced by clocked variation of the respectively applied electrical potential. In this case, the motor phase currents flow back from |
| 7285930 |
Method and device for controlling a multiphase electronically commutated motor |
October 23, 2007 |
| A method is specified for controlling a multiphase motor that is commutated by an inverter-side bridge circuit, in the course of which a particularly precise and technically simple detection of a control-relevant variable of a considered motor phase, in particular of a motor phase cu |
| 7239099 |
Circuit configuration and method for controlling an electric motor, in particular of a washing m |
July 3, 2007 |
| A circuit configuration for driving an electric motor, in particular of a washing machine, includes power switches connected to connection terminals of the electric motor and to a voltage intermediate circuit. A driver circuit is connected to the voltage intermediate circuit and to t |
| 7232973 |
Capacitive touch switch |
June 19, 2007 |
| A capacitive touch switch includes a sensor button which is disposed between a circuit board and a cover plate and which forms a terminal of a capacitor that is variable in its capacitance by an approach. The sensor button includes a body of a flexible material, which body can be adapted |
| 7215390 |
Back-lit liquid crystal display, in particular for use as a display module behind the operating |
May 8, 2007 |
| A module of a back-lit liquid crystal display, as is used in particular in the operating panel of a large domestic appliance, is simple from a production procedure point of view, and is spatially compact and has close tolerances in regard to the installation dimensions. Further the m |
| 7162759 |
Method of determining the loading of the drum of a laundry treatment machine |
January 16, 2007 |
| In order to be able to implement higher rotary spin speeds without structurally endangering the machine, a characteristic value that is as accurate as possible for the currently prevailing drum loading is desirable, for loading-dependent rotary speed limitation. Acceleration to a spi |
| 7059756 |
Display device |
June 13, 2006 |
| Described is a display device (10) with a printed circuit board (12), with at least one light source (14) and with a single-segment or multi-segment display (16) which is connected by optical waveguides (46) to the light sources (14) which are preferably SMD-LEDs. The display device (10) |
| 6975495 |
Circuit configuration and method for measuring and limiting currents |
December 13, 2005 |
| A circuit configuration and a method for determining a current drawn from a mains by a converter through a dc voltage intermediate circuit, replaces a required pulse-resistant input current measuring resistor with a conductor track of the circuit configuration itself. Since the input cur |
| 6973392 |
Method of determining the imbalance of a laundry drum |
December 6, 2005 |
| Before a washing machine is switched over to a very high spin speed in the spin program of the washing machine, the existing imbalance due to irregular distribution of laundry in the drum should be checked. If the imbalance is too strong, the spin program should be interrupted if there |
| 6969969 |
Circuit arrangement for the actuation of an electric-motor drive, in particular a pump drive, in |
November 29, 2005 |
| A large domestic appliance has main and auxiliary drives (17, 24) thereof supplied from the same dc voltage intermediate circuit (19) which is provided only once, by way of change-over switch sets (12), by half-bridge circuits (21, 21'). For that purpose a frequency converter (15) with i |
| 6954646 |
Data communication radio network |
October 11, 2005 |
| In the wireless telegram communication (28) from data-generating, unidirectionally communicating terminal devices (12) by way of primary radio sections (10) and by way of subsequent bidirectionally operating data collectors (13) of a radio network (11) to a data-documenting master da |
| 6940237 |
Washing machine with brushless commutating drive motor |
September 6, 2005 |
| In a synchronous motor with a permanent-magnet rotor for driving a washing machine to make commutation which is sensor-controlled in dependence on the rotary position of the rotor more precise, it is no longer the movement of the magnetic rotor dipole magnetic field past magnetic field |
| 6933676 |
Driver circuit for a vacuum fluorescence display |
August 23, 2005 |
| A vacuum fluorescence display has a plurality of heating regions and heating inputs corresponding thereto. A driver circuit for the VFD has a driver module with a pulse width-modulatable output connected by way of a distributor to a plurality of heating inputs of the VFD. A switching |
| 6885256 |
Input circuit for an HF-transmitting component |
April 26, 2005 |
| An input circuit for an HF-transmitting component 1 of a battery-operated device for the transmission of a data signal aims to reduce the power consumption. For that purpose the fundamental frequency of a reference oscillator 5 is modulated with the digital data signal, the data rate |
| 6858821 |
Method of adapting an operating device to user behavior and adaptive operating device |
February 22, 2005 |
| An operating device for an electrical and/or electronic apparatus is adapted to the operating behavior of a user. The apparatus has a plurality of operating states which can be chosen or set by way of the operating device. The selection and/or setting, by the user, of the operating state |
| 6854299 |
Rotary speed control for a universal motor, in particular for a washing machine drive |
February 15, 2005 |
| In the context of a single-phase universal motor, which has proven its worth in particular as an agile washing machine drive, the novel control provides for a substantial reduction in the remagnetization losses, rotary speed dependency, level of efficiency, and the fluctuations in the mo |
| 6844864 |
Circuit arrangement for actuating a display |
January 18, 2005 |
| There is proposed a circuit arrangement for the actuation of a VFD, LED or LCD display, which has at least two control blocks for producing control signals for the various kinds of display, wherein the control signals of the control blocks are processed by a common driver component and t |
| 6775468 |
Dishwasher pump drive |
August 10, 2004 |
| For their pump drive dishwashers are usually equipped for reasons of cost only with an unregulated asynchronous motor which however is temperamental in terms of the sealing requirements involved, and a simple controller operating circuit (13) for executing the functional program because |
| 6664519 |
Touch-sensitive operating panel for cooking zones |
December 16, 2003 |
| In order to be able to dispose the whole of the electrical circuitry of the operating panel (14) of a cooker top (11) on a single, single-layer circuit board (even if lined on both sides) of dimensions which do not project beyond the operating panel (14), there is provided a button s |
| 6636013 |
Method of rapidly starting an asynchronous motor |
October 21, 2003 |
| In order to accelerate an asynchronous motor with a squirrel-cage rotor even under load extremely quickly, and in particular within the time of an electromagnetic rotor time constant, in order to be able to cause it to start with a so-called kick start, while the rotor is not moving, |
| 6614991 |
Inverter-fed three-phase motor for household appliance, especially for the direct drive of washi |
September 2, 2003 |
| An inverter-fed three-phase electrical motor (1) for a household appliance is grounded through a protective conductor (8), with the motor being particularly provided for the direct drive of washing machines. The motor includes a pick-up for high-frequency currents originating from an |
| 6581230 |
Method of washing laundry in a motor-driven washing machine |
June 24, 2003 |
| A method for the washing of laundry in a motor-driver washing machine. The laundry method is intended to optimize the washing procedure with respect to the amount of mechanical energy which is needed in order to achieve the desired cleaning effect on the laundry. |
| 6505369 |
Method of measuring the loading of a washing drum |
January 14, 2003 |
| In a method of measuring the loading of a washing drum 1, drivable by a motor 2, of a washing machine or a washer-drier, in a first phase A the washing drum 1 is accelerated by way of an electronic control system 3 to a first speed of rotation nb which is above the laundry-application sp |
| 6259069 |
Apparatus for detecting the presence of a cooking vessel |
July 10, 2001 |
| An apparatus for detecting the presence and/or the size of a cooking vessel (6) on an electrically heatable hotplate, having a resistance heating element (1) which is disposed under the hotplate and which is connected to an electrical heating voltage supply, wherein the resistance heatin |
| 6249094 |
Method and apparatus for determining the rotor position of synchronous motors |
June 19, 2001 |
| Described is a method of determining the rotary position of the rotor of a synchronous motor, in relation to the rotating magnetic stator field. The instantaneous rotor position is ascertained by measurement of the emf (E.s) induced in at least one stator winding by the rotor in a curren |
| 6207935 |
Radiant heating element with a metal foil heat conductor |
March 27, 2001 |
| A radiant heating body for a cooking hob has a heating conductor comprising a metal foil and an insulating bottom (12). To make the heating conductor easy to fit and to provide advantageous heat radiation properties the flat geometrical heating conductor pattern is separated out of the m |
| 6137090 |
Heat conductor for a cooking plate |
October 24, 2000 |
| A heating conductor which can be fitted in a geometrical pattern into a radiant heating body is to be easy to fit and is to have good radiation properties. The heating conductor is separated in the form or partial form of the geometrical pattern out of a metal foil and forms heating limb |
| 6121587 |
Radiant heating element for a cooking area |
September 19, 2000 |
| In a radiant heating body for a cooking location, in particular in the case of a glass ceramic plate (4), an insulating bottom (2) with an insulating annular rim portion (3) is provided in a pot member (1). A heating element (6) is arranged in an air space (5) above the insulating bottom |
