Patent application number | Description | Published |
20080239766 | Control System for a Voltage Converter and Method - A control arrangement ( | 10-02-2008 |
20090016084 | ARRANGEMENT PROVIDED WITH A VOLTAGE CONVERTER FOR SUPPLYING VOLTAGE TO AN ELECTRICAL LOAD AND ASSOCIATED METHOD - An apparatus includes a voltage converter for supplying voltage to an electrical load. The voltage converter is electrically connected at an output to a terminal of a series circuit. The voltage converter includes mechanisms for connecting the electrical load and a current sink. The voltage supplied by the voltage converter is dependent on an input voltage and on a present multiplication factor. The apparatus also includes a first comparator, a second comparator, and selection logic. | 01-15-2009 |
20090096422 | Charge Regulation Assembly And Method For Charging A Battery - A charging regulator arrangement ( | 04-16-2009 |
20090103333 | CIRCUIT ARRANGEMENT AND METHOD FOR CONVERTING AN ALTERNATING VOLTAGE INTO A RECTIFIED VOLTAGE - A circuit arrangement for converting an alternating voltage (U-IN) into a rectified voltage (U-OUT) comprises a first transistor ( | 04-23-2009 |
20090167260 | Electrical Power Supply Arrangement and Use Thereof - A power supply arrangement is specified in which a capacitor with a low internal resistance, in particular a supercap ( | 07-02-2009 |
20090212717 | Power Supply System and Method for the Operation of an Electrical Load - A current source arrangement is specified, in which at least one branch, comprising a current source ( | 08-27-2009 |
20090243510 | Circuit Arrangement and Method For Controlling an Electrical Load - A circuit arrangement ( | 10-01-2009 |
20090243566 | Converter Arrangement and Method for Preparing a Converted Signal - A converter arrangement includes a converter device ( | 10-01-2009 |
20090251230 | Modulation Arrangement and Method for Providing a Modulated Control Signal - A modulation arrangement comprises an input (E) for supplying a data signal (DS), a pre-modulator (VMod) that is coupled to the input (E) and features a clock pulse input (TEV) for supplying a pre-clock pulse (VT), a main modulator (HMod) that is coupled to the pre-modulator (VMod) on the input side and comprises a clock pulse input (TEH) for supplying a main clock pulse (HT), as well as an output for providing a modulated control signal (ST), and a switchable current source (Q, S) for providing a current (IS) that is controlled by the modulated control signal (ST) at an output (A) of the modulation arrangement. Furthermore, a method for providing a modulated control signal is disclosed. | 10-08-2009 |
20090302769 | Circuit Arrangement and Method for Controlling at Least One Light Source - A circuit arrangement for controlling at least one light source comprises a photodetector ( | 12-10-2009 |
20090309502 | CONTROL CIRCUIT AND METHOD FOR CONTROLLING LEDs - A control circuit for control of light-emitting diodes has a first LED string ( | 12-17-2009 |
20090315407 | Circuit Arrangement and Method for Actuating an Electrical Load - A circuit arrangement ( | 12-24-2009 |
20100117556 | Voltage Converter - A voltage converter is provided in which a first terminal (A) and a second terminal (B) are provided, each coupled to a switching means, the switching means is coupled to respective terminals for connecting a first capacitor (C | 05-13-2010 |
20100181973 | Voltage Converter with Connected Capacitors and Device for the Compensation of the Capacitors Voltages - A voltage converter comprises a first, a second and a third capacitor ( | 07-22-2010 |
20110025377 | Circuit Arrangement and Method for Evaluating a Data Signal - A circuit arrangement ( | 02-03-2011 |
20110187339 | Voltage-Converter Arrangement and Method for Voltage Conversion - A voltage-converter arrangement comprises an arrangement input ( | 08-04-2011 |
20110199008 | Current source, current source arrangement and their use - A current source ( | 08-18-2011 |
20110223946 | Central Unit, Terminal Unit, System and Method for Downloading a Light Pattern - In one embodiment, a central unit, particularly for use in a network, has a memory ( | 09-15-2011 |
20120119710 | Charging Circuit for a Charge Accumulator and Method for Charging the Same - In one embodiment, a charging circuit for a charge accumulator comprises a first terminal (A | 05-17-2012 |
20120200233 | Circuit Arrangement for a Piezo Transformer, and Method Therefor - The invention relates to a circuit arrangement ( | 08-09-2012 |
20120268029 | Circuit Arrangement and Method for Operating a Light Source, in Particular, a Light-Emitting Diode - A circuit arrangement for driving a light source, in particular, a light-emitting diode, comprises a first adjustable current path ( | 10-25-2012 |
20130076264 | DC CONVERTER AND METHOD FOR SELECTING A FREQUENCY OF SAME - In one embodiment, a DC converter has a frequency adjusting device with a frequency selection circuit, a frequency change-over switch ( | 03-28-2013 |
20130241442 | METHOD FOR CURRENT LIMITATION OF A LOAD CURRENT AND CIRCUIT HAVING CURRENT LIMITATION OF A LOAD CURRENT FOR A FLASH MEANS - The invention relates to a method for the current limitation of a load current, in particular the load current of a flash means. In one step, first a supply voltage (VBAT) is provided. Then a load current (I) is set depending on the supply voltage (VBAT) for supplying the flash means (LED) with power by incrementally reducing the load current (I) until the supply voltage (VBAT) is greater than a threshold value (Vlow). The load current intensity (Imin) of the set load current (I) can be stored in a register (RAM) for the subsequent triggering of the flash means (LED) in a main flash phase (2) with the load current intensity (Imin) stored in the register (RAM). In addition, the invention relates to a circuit having current limitation of a load current of a flash means. | 09-19-2013 |
20130272688 | FLASH DRIVER TO LIMIT A LOAD CURRENT OF A FLASH AND METHOD TO LIMIT A LOAD CURRENT OF A FLASH DRIVER - A flash driver to limit a load current for a flash comprises a dc/dc converter (DCDC) having a first input (IN1) to receive an input voltage (Vin) and an output (OUT) to supply an output voltage (Vout). The dc/dc converter is designed to convert the input voltage (Vin) to the output voltage (Vout). Furthermore the flash driver has an adjustable current source (Iadj) connected between the output (OUT) and a load terminal (LT). A first control unit (CTRL | 10-17-2013 |
20130278277 | SENSOR ARRANGEMENT AND METHOD FOR OPERATION OF A SENSOR ARRANGEMENT - A sensor arrangement, in particular for a non-contacting measurement, comprises a signal generator (SRC) which is connected to a first electrode (EL | 10-24-2013 |
20130293140 | CURRENT SOURCE AND METHOD FOR PROVIDING A DRIVING CURRENT - In one embodiment a current source comprises an input (In) for receiving a brightness signal (Sb), and an output (Out) for providing a driving current (Id) for at least one light-emitting diode, LED, wherein the current source (CS) is configured to extract a first and a second current value (idac_high, idac_low) from the brightness signal (Sb), to derive a duty cycle value (Smod) from the brightness signal (Sb) and to modulate the driving current (Id) as a function of the duty cycle value (Smod) in a pulse-width modulation comprising the first and the second current values (idac_high, idac_low). Furthermore, a method for providing a current is described. | 11-07-2013 |
20140292220 | DRIVER CIRCUIT AND METHOD FOR DRIVING AN ELECTRICAL LOAD - A driver circuit ( | 10-02-2014 |
20140313175 | MODULE CIRCUIT, DISPLAY MODULE AND METHOD FOR PROVIDING AN OUTPUT SIGNAL - A module circuit ( | 10-23-2014 |
20140339986 | OPTICAL SENSOR CIRCUIT, LUMINOUS PANEL AND METHOD FOR OPERATING AN OPTICAL SENSOR CIRCUIT - An optical sensor circuit comprises an optical sensor (DET) designed to provide a sensor signal indicative of light incident on the optical sensor (DET). A clock terminal (CLK) is used to receive a clocked control signal comprising high and low states. A controller unit (CU) is connected to the optical sensor (DET) and to the clock terminal (CLK). The controller unit (CU) is designed to process the sensor signal as a color signal (CTS) in a first mode if the clocked control signal is in high state, and process the sensor signal as an ambient light signal (ALS) in a second mode if the clocked control signal is in low state, and further designed to generate a driving signal (PWM) to drive a light emitting device (LED) to be connected at a control terminal (OUT). The driving signal (PWM) depends on the color and ambient light signal (CTS, ALS). | 11-20-2014 |