Gaggl, AT
Josef Gaggl, Steyr AT
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20150153148 | BENDING PRESS HAVING AN ANGLE-MEASURING DEVICE AND METHOD FOR DETERMINING THE BENDING ANGLE - The invention relates to a production plant ( | 06-04-2015 |
Rainer Gaggl, Drobollach AT
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20140002118 | DEVICE FOR HIGH VOLTAGE TESTING OF SEMICONDUCTOR COMPONENTS | 01-02-2014 |
Richard Gaggl, Poertschach AT
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20090154691 | Control circuit for controlling a DC supply voltage for a terminal - A control device for controlling a supply voltage which can be switched between a constant line current operation and a constant line voltage operation, wherein a line current, which consists of a direct current for supplying the terminal and of an alternating current for transmitting information, flows via a subscriber line of a terminal, comprising a sensing circuit for sensing an analogue input voltage dependent on the line current, a subtractor which, in the constant line current operation, subtracts an analogue feedback voltage dependent on an adjustable nominal direct-current value from the sensed input voltage for generating an analogue difference voltage, an analogue/digital converter for converting the generated analogue difference voltage into a digital difference voltage value, a digital low-pass filter for filtering a sequence of control error values out of the generated sequence of difference voltage values, a controller for generating a control value in dependence on the filtered-out sequence of control error values, and comprising a first digital/analogue converter which, in the constant line current operation, converts the control value in each case generated by the controller into the analogue direct voltage for supplying the terminal. | 06-18-2009 |
20090251216 | Common mode control circuitry for multi-stage operational amplifiers - This disclosure relates to a common mode regulation in multi stage differential amplifiers. | 10-08-2009 |
20120099724 | Device for Controlling a Supply Voltage for a Terminal - A control device includes a circuit operable to sense an analogue input voltage dependent on a line current flowing via a communication line of a terminal generate an analogue difference voltage in a constant line current operation based on a difference between the sensed analogue input voltage and an analogue feedback voltage which depends on an adjustable nominal direct-current value and filter a sequence of control error values from a sequence of digital difference voltage values converted from the generated analogue difference voltage. The circuit is further operable to convert a control value generated from the sequence of control error values in the constant line current operation to an analogue direct voltage for supplying the terminal and convert the nominal direct-current value into the analogue feedback voltage in the constant line current operation. | 04-26-2012 |
20120155632 | Codec circuit for POTS system - A CODEC circuit for POTS system comprises a digital circuit for outputting a digital control signal having a first bit width, the digital control signal being indicative of a voltage to be applied to a POTS subscriber line pair. Further, the CODEC comprises a noise shaper coupled to an output of the digital circuit for generating a noise-shaped control signal and a digital-to-analog converter coupled to an output of the noise shaper, the input of the digital-to-analog converter having a second bit width being larger than 1 and smaller than the first bit width. | 06-21-2012 |
Richard Gaggl, Poertschach Am AT
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20150110295 | System and Method for Automatic Calibration of a Transducer - In accordance with an embodiment, an interface circuit includes a variable voltage bias generator coupled to a transducer, and a measurement circuit coupled to an output of the transducer. The measurement circuit is configured to measure an output amplitude of the transducer. The interface circuit further includes a calibration controller coupled to the bias generator and the measurement circuit, and is configured to set a sensitivity of the transducer and interface circuit during an auto-calibration sequence. | 04-23-2015 |
20150110296 | System and Method for Transducer Biasing and Shock Protection - In accordance with an embodiment, an interface circuit includes an amplifier configured to be coupled to a transducer, a first bypass circuit coupled to a first voltage reference and the amplifier, a second bypass circuit coupled to the first voltage reference and the amplifier, and a control circuit coupled to the second bypass circuit. The first bypass circuit conducts a current when an input signal amplitude greater than a first threshold is applied to the transducer and the control circuit causes the second bypass circuit to conduct a current for a first time period after the first bypass circuit conducts a current. | 04-23-2015 |
20150180333 | System and Method for a Controlled Feedback Charge Pump - According to various embodiments, a circuit includes a charge pump and a feedback circuit. The charge pump includes a first input, a second input configured to receive an offset signal, and an output terminal configured to provide a charge pump signal based on the first and second inputs. The feedback circuit includes a first input coupled to the output of the charge pump, a second input configured to be coupled to a reference signal, an enable input configured to enable and disable the feedback circuit, and a feedback output coupled to the first input of the charge pump. | 06-25-2015 |
20150181335 | System and Method for a Cancelation Circuit - In accordance with an embodiment, a cancelation circuit includes a current mirror and a low pass filter. The current mirror includes an input terminal configured to accept an input current comprising a first noise signal, a first mirrored output and a second mirrored output. The low pass filter includes an input coupled to the first mirrored output and an output coupled to the second mirrored output. A sum of a current from the second mirrored output and a current of from the output of the low pass filter includes a phase-inverted version of the first noise signal. | 06-25-2015 |
Richard Gaggl, Portschach AT
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20150110300 | System and Method for a Transducer Interface - According to an embodiment, an interface circuit includes a current replicator and a receiver. The current replicator includes a power terminal coupled to a first reference node, an output terminal configured to output a signal proportional to a signal received from a transducer, and an interface terminal coupled to the transducer. Using a single interface terminal, the current replicator may be configured to provide power to the transducer and receive output signals from the transducer. The receiver may include a first input terminal coupled to the output terminal, a second input terminal coupled to a second reference node, and a current converter circuit coupled to the first input terminal. | 04-23-2015 |
Richard Gaggl, Poertschach Am Woerthersee AT
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20160072383 | System and Method for a Controlled Feedback Charge Pump - According to various embodiments, a circuit includes a charge pump and a feedback circuit. The charge pump includes a first input, a second input configured to receive an offset signal, and an output terminal configured to provide a charge pump signal based on the first and second inputs. The feedback circuit includes a first input coupled to the output of the charge pump, a second input configured to be coupled to a reference signal, an enable input configured to enable and disable the feedback circuit, and a feedback output coupled to the first input of the charge pump. | 03-10-2016 |