Patents by Inventor Manfred Pauritsch
Manfred Pauritsch has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220054023Abstract: An integrated sensing system for characterizing blood flow in a subject includes a light source assembly including a light source configured to emit light of a particular wavelength. The integrated sensing system includes an integrated circuit electrically connected to the light source assembly. The integrated circuit includes a light detector assembly including multiple light detectors configured to detect light of the particular wavelength; and a correlator configured to determining a delay between optical signals detected by respective light detectors of the light detector assembly.Type: ApplicationFiled: November 25, 2019Publication date: February 24, 2022Inventors: Bernhard Gruber, Manfred Pauritsch, Martin Dedek
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Patent number: 10925497Abstract: A circuit arrangement for an optical monitoring system comprises a driver circuit configured to generate at least one driving signal for driving a light source and a detector terminal for receiving a detector current. The circuit arrangement further comprises a current source configured and arranged to generate at the detector terminal a reduction current. The reduction current has an amplitude which is given by a base value whenever none of the least one driving signal assumes a value suitable for activating the light source and by a sum of the base value and a reduction value otherwise. The circuit arrangement also comprises a processing unit configured to generate an output signal depending on a combination of the detector current and the reduction current.Type: GrantFiled: August 17, 2016Date of Patent: February 23, 2021Assignee: ams AGInventors: Peter Trattler, Manfred Pauritsch, Herbert Lenhard
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Publication number: 20200037901Abstract: A circuit arrangement for an optical monitoring system comprises a driver circuit configured to generate at least one driving signal for driving a light source and a detector terminal for receiving a detector current. The circuit arrangement further comprises a current source configured and arranged to generate at the detector terminal a reduction current. The reduction current has an amplitude which is given by a base value whenever none of the least one driving signal assumes a value suitable for activating the light source and by a sum of the base value and a reduction value otherwise. The circuit arrangement also comprises a processing unit configured to generate an output signal depending on a combination of the detector current and the reduction current.Type: ApplicationFiled: August 17, 2016Publication date: February 6, 2020Applicant: ams AGInventors: Peter TRATTLER, Manfred PAURITSCH, Herbert LENHARD
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Patent number: 10143047Abstract: A lighting control system (LCS) for generating supply currents for at least two LED channels (CH1, CH2, CHn) comprises at least two controlled current sources for generating a supply current for a corresponding LED channel based on a corresponding control signal. The system further comprises at least two signal combiners for generating the corresponding control signals based on a synchronization signal (VSYNC) that comprises periodic starting pulses and on a combination of a magnitude dimming signal and a pulse dimming signal corresponding to one of the LED channels. The signal combiners are designed such that changes of the respective control signals come into effect only with a respective time offset with respect to one of the starting pulses of the synchronization signal.Type: GrantFiled: March 16, 2016Date of Patent: November 27, 2018Assignee: Dialog Semiconductor (UK) LimitedInventors: David Gamperl, Manfred Pauritsch, Herbert Truppe
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Publication number: 20180116016Abstract: A lighting control system (LCS) for generating supply currents for at least two LED channels (CH1, CH2, CHn) comprises at least two controlled current sources for generating a supply current for a corresponding LED channel based on a corresponding control signal. The system further comprises at least two signal combiners for generating the corresponding control signals based on a synchronization signal (VSYNC) that comprises periodic starting pulses and on a combination of a magnitude dimming signal and a pulse dimming signal corresponding to one of the LED channels. The signal combiners are designed such that changes of the respective control signals come into effect only with a respective time offset with respect to one of the starting pulses of the synchronization signal.Type: ApplicationFiled: March 16, 2016Publication date: April 26, 2018Applicant: ams AGInventors: David GAMPERL, Manfred PAURITSCH, Herbert TRUPPE
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Patent number: 9736896Abstract: A driver assembly (100) for a lighting unit (230) comprises a control unit (110). The lighting unit (230) comprises a plurality of strands (240, 250, 260), wherein each strand comprises a series circuit (242, 252, 262) of light-emitting diodes and a current source (243, 253, 263) with a first and a second terminal (246, 256, 266), and wherein the series circuit (242, 252, 262) of diodes is connected between a supply voltage input (231) of the lighting unit (230) and the first terminal of the current source (243, 253, 263) and the second terminal (246, 256, 266) of the current source is connected to a reference potential terminal via a resistor (245, 255, 265).Type: GrantFiled: May 29, 2012Date of Patent: August 15, 2017Assignee: AMS AGInventors: Manfred Pauritsch, Werner Schögler, Stefan Wiegele
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Patent number: 9390659Abstract: A circuit arrangement for controlling a segmented LED backlight in particular, comprises a generator (50) with a first input (10) to be supplied with a synchronizing signal (SYNC) that comprises image frequency information and/or line frequency information of a display unit, a second input (20) to be supplied with a data signal (DATA) that comprises image information of the display unit, and with an output (30) for providing a modulated signal (MOD).Type: GrantFiled: July 27, 2012Date of Patent: July 12, 2016Assignee: AMS AGInventor: Manfred Pauritsch
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Patent number: 9372122Abstract: An electronic circuit (10) to monitor a temperature of a light emitting diode (1) comprises a current generating circuit (110) to generate a current flow of at least a first and second current (IC1, IC2) through the light emitting diode (1) and a voltage monitoring circuit (120) to monitor a voltage of the light emitting diode (1). The voltage monitoring circuit (120) is further arranged to determine a difference of a respective value of a first and second voltage (Vf1, Vf2) of the light emitting diode (1) to monitor the temperature of the light emitting diode (1), wherein the first voltage (Vf1) and second voltage (Vf2) of the light emitting diode (1) is determined while driving the first and second current (IC2) through the light emitting diode (1).Type: GrantFiled: June 18, 2013Date of Patent: June 21, 2016Assignee: AMS AGInventors: Manfred Pauritsch, Werner Schögler
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Patent number: 9307605Abstract: In one embodiment, an electronic lighting system comprises a first light source (L1) adapted to emit light with a first brightness as a function of a first driving signal (PWM1) having a first frequency (f1), at least one second light source (L2) having a main light sensor (Als2) for providing an brightness of light surrounding the second light source (L2), wherein the first light source (L1) is arranged in visual connection with the at least one second light source (L2). Thereby, the second light source (L2) is prepared to emit light with a second brightness as a function of a second driving signal (PWM2) with a second frequency (f2), the second frequency (f2) of the second driving signal (PWM2) being adjusted to a light frequency (fL) of the light emitted by the first light source (L1), the light frequency (fL) being detected by means of the main light sensor (Als2). Furthermore, a method for lighting synchronization is described.Type: GrantFiled: November 29, 2013Date of Patent: April 5, 2016Assignee: ams AGInventors: Werner Schoegler, Manfred Pauritsch
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Patent number: 9306413Abstract: In one embodiment, a charging circuit for a charge accumulator comprises a first terminal (A1) for supplying a charging voltage (UC) and for connecting the charge accumulator (SC) connected to a reference potential terminal (10), a second terminal (A2) for providing a load voltage (UD) and for connecting an electrical load (D1), a control assembly (ST) which is coupled to the first and the second terminals (A1, A2) and has a signal output (A3) for providing a first charge state signal (S1) and a test output (TA) for providing at test signal (on), and a current source (I1) that is coupled to the second terminal (A2), wherein the first charge state signal (S1) is provided depending on a value of an additional voltage (U12) between the first and the second terminals (A1, A2) and depending on the test signal (on), and wherein the charging voltage (UC) is supplied depending on the first charge state signal (S1). The invention also relates to a method for charging a charge accumulator.Type: GrantFiled: March 30, 2010Date of Patent: April 5, 2016Assignee: ams AGInventors: Peter Trattler, Manfred Pauritsch
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Publication number: 20150359063Abstract: In one embodiment, an electronic lighting system comprises a first light source (L1) adapted to emit light with a first brightness as a function of a first driving signal (PWM1) having a first frequency (f1), at least one second light source (L2) having a main light sensor (Als2) for providing an brightness of light surrounding the second light source (L2), wherein the first light source (L1) is arranged in visual connection with the at least one second light source (L2). Thereby, the second light source (L2) is prepared to emit light with a second brightness as a function of a second driving signal (PWM2) with a second frequency (f2), the second frequency (f2) of the second driving signal (PWM2) being adjusted to a light frequency (fL) of the light emitted by the first light source (L1), the light frequency (fL) being detected by means of the main light sensor (Als2). Furthermore, a method for lighting synchronization is described.Type: ApplicationFiled: November 29, 2013Publication date: December 10, 2015Inventors: Werner SCHOEGLER, Manfred PAURITSCH
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Publication number: 20140225508Abstract: A driver assembly (100) for a lighting unit (230) comprises a control unit (110). The lighting unit (230) comprises a plurality of strands (240, 250, 260), wherein each strand comprises a series circuit (242, 252, 262) of light-emitting diodes and a current source (243, 253, 263) with a first and a second terminal (246, 256, 266), and wherein the series circuit (242, 252, 262) of diodes is connected between a supply voltage input (231) of the lighting unit (230) and the first terminal of the current source (243, 253, 263) and the second terminal (246, 256, 266) of the current source is connected to a reference potential terminal via a resistor (245, 255, 265).Type: ApplicationFiled: May 29, 2012Publication date: August 14, 2014Applicant: AMS AGInventors: Manfred Pauritsch, Werner Schögler, Stefan Wiegele
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Patent number: 8786540Abstract: A circuit arrangement for controlling a segmented LED backlight in particular, comprises a generator (50) with a first input (10) to be supplied with a synchronizing signal (SYNC) that comprises image frequency information and/or line frequency information of a display unit, a second input (20) to be supplied with a data signal (DATA) that comprises image information of the display unit, and with an output (30) for providing a modulated signal (MOD).Type: GrantFiled: July 10, 2008Date of Patent: July 22, 2014Assignee: AMS AGInventor: Manfred Pauritsch
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Patent number: 8716987Abstract: A power supply arrangement is specified in which a capacitor with a low internal resistance, in particular a supercap (3), is connected via a means for charging (4) to an input (1) and via a load current regulator (9) to a connecting means (7) for an electrical load (8). Together with a feedback path, a control loop is formed for the load current through the electrical load (8). It is therefore possible to allow flash operation in applications such as mobile telephones with rechargeable batteries with a high internal resistance, with provision for high energy utilization from the capacitor, with controlled discharging with a regulated current.Type: GrantFiled: June 21, 2006Date of Patent: May 6, 2014Assignee: ams AGInventors: Manfred Pauritsch, Peter Trattler
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Patent number: 8710761Abstract: The invention relates to a circuit arrangement (20) for a piezo transformer (22) comprising a driver circuit (23), to which the piezo transformer (22) can be connected, and a current sensor (21) for the determining an incoming power signal (IM), which is subject to an incoming current (IE) flowing through the piezo transformer (22). The invention further relates to the circuit arrangement (20) of a control unit (24) for providing a control signal (ST), which is subject the incoming power signal (IM); and an oscillator (25) having an oscillator output (43) for emitting an oscillator signal (SO) to a driver signal input (44) of the driver circuit (23) subject to the control signal (ST).Type: GrantFiled: December 2, 2011Date of Patent: April 29, 2014Assignee: AMS AGInventors: Manfred Pauritsch, Peter Trattler
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Publication number: 20130336360Abstract: An electronic circuit (10) to monitor a temperature of a light emitting diode (1) comprises a current generating circuit (110) to generate a current flow of at least a first and second current (IC1, IC2) through the light emitting diode (1) and a voltage monitoring circuit (120) to monitor a voltage of the light emitting diode (1). The voltage monitoring circuit (120) is further arranged to determine a difference of a respective value of a first and second voltage (Vf1, Vf2) of the light emitting diode (1) to monitor the temperature of the light emitting diode (1), wherein the first voltage (Vf1) and second voltage (Vf2) of the light emitting diode (1) is determined while driving the first and second current (IC2) through the light emitting diode (1).Type: ApplicationFiled: June 18, 2013Publication date: December 19, 2013Inventors: Manfred PAURITSCH, Werner SCHÖGLER
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Patent number: 8547030Abstract: A current source (10), comprising a bipolar transistor (1) including a control terminal and a controlled path, a first terminal on the controlled path, to which first terminal an electrical load (D1, D2) may be connected, a second terminal on the controlled path, which second terminal may be connected to a reference potential via a resistor (4), a measuring device (2) coupled to the control terminal for measuring a control current on the control terminal, a compensation device (3) coupled to the measuring device (2) and the bipolar transistor (1) in such a manner that the control current of the bipolar transistor (1) is compensated for at the first terminal of the controlled path.Type: GrantFiled: February 4, 2011Date of Patent: October 1, 2013Assignee: AMS AGInventors: Peter Trattler, Stefan Wiegele, Manfred Pauritsch
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Publication number: 20130002732Abstract: A circuit arrangement for controlling a segmented LED backlight in particular, comprises a generator (50) with a first input (10) to be supplied with a synchronizing signal (SYNC) that comprises image frequency information and/or line frequency information of a display unit, a second input (20) to be supplied with a data signal (DATA) that comprises image information of the display unit, and with an output (30) for providing a modulated signal (MOD).Type: ApplicationFiled: July 27, 2012Publication date: January 3, 2013Applicant: austriamicrosystems AGInventor: Manfred PAURITSCH
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Patent number: 8344663Abstract: A circuit arrangement for controlling at least one light source comprises a photodetector (2), a sampling circuit (6) for selectively sampling a photodetector signal (lin2) generated by the photodetector (2) as a function of a first and a second light source (10, 12), and a control unit (5), which is coupled on the input side to the sampling circuit (6). The circuit arrangement further comprises a first power-supply source (7), which is coupled to the control unit (5) and is designed for controlling at least one parameter of a first light source (12), and at least one second power-supply source (11), which is coupled to the control unit (5) and is designed for controlling at least one parameter of a second light source (12). The circuit arrangement is suitable, for example, for RGB lighting.Type: GrantFiled: May 4, 2007Date of Patent: January 1, 2013Assignee: Austriamicrosystems AGInventors: Peter Trattler, Manfred Pauritsch
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Publication number: 20120200233Abstract: The invention relates to a circuit arrangement (20) for a piezo transformer (22) comprising a driver circuit (23), to which the piezo transformer (22) can be connected, and a current sensor (21) for the determining an incoming power signal (IM), which is subject to an incoming current (IE) flowing through the piezo transformer (22). The invention further relates to the circuit arrangement (20) of a control unit (24) for providing a control signal (ST), which is subject the incoming power signal (IM); and an oscillator (25) having an oscillator output (43) for emitting an oscillator signal (SO) to a driver signal input (44) of the driver circuit (23) subject to the control signal (ST).Type: ApplicationFiled: December 2, 2011Publication date: August 9, 2012Applicant: austriamicrosystems AGInventors: Manfred PAURITSCH, Peter TRATTLER