Patents by Inventor Bernhard Zojer
Bernhard Zojer 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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Patent number: 8908752Abstract: Embodiments related to line testing are described and depicted. A digital subscriber line testing apparatus comprises a plurality of resistors and a switching device. The switching device comprises first and second signal inputs to couple the switching device to a signal generator output, and a plurality of wire terminals. The switching device is configured to switch the plurality of resistors into a first switching state and a second switching state.Type: GrantFiled: September 11, 2011Date of Patent: December 9, 2014Assignee: Lantiq Deutschland GmbHInventors: Bernhard Zojer, Thomas Ferianz, Thomas Linder, Gerhard Noessing
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Publication number: 20120063499Abstract: Embodiments related to line testing are described and depicted. A digital subscriber line testing apparatus comprises a plurality of resistors and a switching device. The switching device comprises first and second signal inputs to couple the switching device to a signal generator output, and a plurality of wire terminals. The switching device is configured to switch the plurality of resistors into a first switching state and a second switching state.Type: ApplicationFiled: September 11, 2011Publication date: March 15, 2012Inventors: BERNHARD ZOJER, Thomas FERIANZ, Thomas LINDER, Gerhard NOESSING
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Patent number: 8130912Abstract: Embodiments related to line testing are described and depicted.Type: GrantFiled: March 11, 2009Date of Patent: March 6, 2012Assignee: Lantiq Deutschland GmbHInventors: Bernhard Zojer, Thomas Ferianz, Thomas Linder, Gerhard Noessing
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Publication number: 20100232578Abstract: Embodiments related to line testing are described and depicted.Type: ApplicationFiled: March 11, 2009Publication date: September 16, 2010Inventors: BERNHARD ZOJER, Thomas FERIANZ, Thomas LINDER, Gerhard NOESSING
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Patent number: 7679877Abstract: A method and a device for operating a transmission line are provided. The device includes a line driver circuit and a protective circuit. The line driver circuit converts an input signal of the device into a current or a voltage for the transmission line while the protective circuit prevents an overvoltage and/or an overcurrent on the transmission line. The line driver circuit and the protective circuit are integrated in a common package.Type: GrantFiled: December 6, 2007Date of Patent: March 16, 2010Assignee: Infineon Technologies AGInventors: Thomas Linder, Bernhard Zojer
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Publication number: 20080137258Abstract: A method and a device for operating a transmission line are provided. The device includes a line driver circuit and a protective circuit. The line driver circuit converts an input signal of the device into a current or a voltage for the transmission line while the protective circuit prevents an overvoltage and/or an overcurrent on the transmission line. The line driver circuit and the protective circuit are integrated in a common package.Type: ApplicationFiled: December 6, 2007Publication date: June 12, 2008Inventors: Thomas Linder, Bernhard Zojer
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Patent number: 7257222Abstract: The present invention relates to a ring voltage generation circuit for generating a ring voltage (VTR) between a TIP lead (9) and a RING lead (10) with minimized power loss for electronic subscriber circuits, comprising: a) an amplifier circuit (2) which receives an input voltage (VI) for amplifying the input voltage (VI) to provide the ring voltage (VTR); b) an absolute value generator (3) which receives the input voltage (VI), measures an absolute value (|VI|) of the input voltage (VI) and outputs the measured absolute value (|VI|) of the input voltage (VI); c) a DC/DC converter (4) which receives the measured absolute value (|VI|) of the input voltage (VI) and converts the measured absolute value (|VI|) of the input voltage (VI) into a supply voltage (VSUPPLY) for the amplifier circuit (2); and d) a common mode feedback device (5) which receives the supply voltage (VSUPPLY), a TIP potential (VT) of the TIP lead (9) and a RING potential (VR) of the RING lead (10) and which generates thereof a control voltType: GrantFiled: August 2, 2004Date of Patent: August 14, 2007Assignee: Infineon Technologies AGInventors: Bernhard Zojer, Joachim Pichler, Maria Giovanna Lagiola
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Patent number: 7164708Abstract: In the line terminating device, which is provided for transmitting and receiving narrowband low-frequency voice signals and broadband data signals at a higher frequency, the analog reception path is subdivided into two separate analog paths (32, 33) for voice and data using a balance filter (49), which is used for data signal echo cancellation. In the transmission direction, the voice signal path and the data signal path are separated in the digital part by means of digital filters (43, 45). The invention is used for voice and data signal separation in xDSL methods, for example, ADSL.Lite.Type: GrantFiled: July 12, 2000Date of Patent: January 16, 2007Assignee: Infineon Technologies AGInventors: Joerg Hauptmann, Christian Schranz, Bernhard Zojer, Peter Pessl, David Schwingshackl, Herbert Zoler
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Patent number: 7054124Abstract: Method for supplying a circuit unit (201) which is to be supplied with different supply voltages, in which the circuit unit (201) to be supplied is protected against overvoltages, having the following steps: application of at least two supply voltages (203a, 203b) with respect to a ground potential (210) to the circuit unit (201) to be supplied; connection of signal connections (208, 209) of the circuit unit (201) to signal lines (206, 207) for transmission of signals between the circuit unit (201) and external circuit units; emission of a reference voltage (204) from a control connection (212) of the circuit unit (201) to an overvoltage protective device (205), in that a supply voltage (203a, 203b) is passed on to the control connection (212) by means of a switching module (211); and tripping of the overvoltage protective device (205) on detection of an overvoltage which occurs with respect to the reference voltage (204) on at least one of the two signal lines (206, 207).Type: GrantFiled: May 15, 2002Date of Patent: May 30, 2006Assignee: Infineon Technologies AGInventors: Klaus Blechschmidt, Bernhard Zojer
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Publication number: 20050254641Abstract: The present invention relates to a ring voltage generation circuit for generating a ring voltage (VTR) between a TIP lead (9) and a RING lead (10) with minimized power loss for electronic subscriber circuits, comprising: a) an amplifier circuit (2) which receives an input voltage (VI) for amplifying the input voltage (VI) to provide the ring voltage (VTR); b) an absolute value generator (3) which receives the input voltage (VI), measures an absolute value (|VI|) of the input voltage (VI) and outputs the measured absolute value (|VI|) of the input voltage (VI); c) a DC/DC converter (4) which receives the measured absolute value (|VI|) of the input voltage (VI) and converts the measured absolute value (|VI|) of the input voltage (VI) into a supply voltage (VSUPPLY) for the amplifier circuit (2); and d) a common mode feedback device (5) which receives the supply voltage (VSUPPLY), a TIP potential (VT) of the TIP lead (9) and a RING potential (VR) of the RING lead (10) and which generates thereof a control voType: ApplicationFiled: August 2, 2004Publication date: November 17, 2005Applicant: Infineon Technologies AGInventors: Bernhard Zojer, Joachim Pichler, Maria Giovanna Lagioia
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Patent number: 6888939Abstract: The invention relates to an SLIC circuit (1), which is connected directly to a telephone line (2), for joint transmission of voice and data via the telephone line (2), with adequate echo attenuation achieved even at high data frequencies in that a first current which corresponds to the sum of the transmission and received currents (Ia, Ib), and a second current (Id) which corresponds to the current produced by the transmission power level (Vtx) at the data frequency, are produced, and the difference between the first current and the second current (Id) is emitted.Type: GrantFiled: February 1, 2000Date of Patent: May 3, 2005Assignee: Infineon Technologies, AGInventor: Bernhard Zojer
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Publication number: 20040136132Abstract: Method for supplying a circuit unit (201) which is to be supplied with different supply voltages, in which the circuit unit (201) to be supplied is protected against overvoltages, having the following steps: application of at least two supply voltages (203a, 203b) with respect to a ground potential (210) to the circuit unit (201) to be supplied; connection of signal connections (208, 209) of the circuit unit (201) to signal lines (206, 207) for transmission of signals between the circuit unit (201) and external circuit units; emission of a reference voltage (204) from a control connection (212) of the circuit unit (201) to an overvoltage protective device (205), in that a supply voltage (203a, 203b) is passed on to the control connection (212) by means of a switching module (211); and tripping of the overvoltage protective device (205) on detection of an overvoltage which occurs with respect to the reference voltage (204) on at least one of the two signal lines (206, 207).Type: ApplicationFiled: November 21, 2003Publication date: July 15, 2004Inventors: Bernhard Zojer, Klause Blechschmidt
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Patent number: 6075856Abstract: A subscriber circuit has several SLIC circuits (2, 3, 4, 5) combined in one multiple SLIC. The high-energy components of each SLIC circuit (2, 3, 4, 5) are realized as individual components (30, 31, 36, 37) in standard form. In order to remove non-linearities, the individual components (30, 31, 36, 37) are fed back via the respectively allocated SLIC circuit.Type: GrantFiled: September 10, 1997Date of Patent: June 13, 2000Assignee: Siemens AktiengesellschaftInventors: Michael Moyal, Herbert Zojer, Bernhard Zojer, Franz Dielacher, Ulrich Riedle
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Patent number: 5945874Abstract: A circuit configuration for smoothing an input voltage includes two input terminals for receiving the input voltage. A negative-feedback amplifier has two inputs and an output. A capacitor is connected to one of the inputs of the amplifier. An output terminal is connected to the output of the amplifier. A converter element has a first terminal connected to one of the input terminals, a second terminal connected to the one input of the amplifier and to the capacitor, and a third terminal connected to the output of the amplifier.Type: GrantFiled: July 19, 1996Date of Patent: August 31, 1999Assignee: Siemens AktiengesellschaftInventors: Manfred Punzenberger, Bernhard Zojer
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Patent number: 5723996Abstract: An integratable reversing switch selectively imposes a ground potential or a supply potential being positive relative thereto upon a terminal of a load having another terminal being connected to a supply potential that is negative relative to the ground potential. A first switch is connected between the load and the positive supply potential. A second switch is controlled in complementary fashion thereto and is connected between the load and the ground potential. The second switch is formed by an inversely operated DMOS field effect transistor.Type: GrantFiled: February 12, 1996Date of Patent: March 3, 1998Assignee: Siemens AktiengesellschaftInventor: Bernhard Zojer
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Patent number: 5272461Abstract: A coding circuit forming a 1-from-N code from an X-from-N code includes partial circuits in which each position of the X-from-N code forms an input value of a partial circuit. Each partial circuit is formed of three emitter-coupled transistor pairs, a current source connected to reference potential, level shift circuits, signal outputs and a symmetrical signal input. Each partial circuit is connected to the partial circuit with the next higher position of the X-from-N code as an input value and to the partial circuit with the next lower position of the X-from-N code as an input value.Type: GrantFiled: August 14, 1992Date of Patent: December 21, 1993Assignee: Siemens AktiengesellschaftInventor: Bernhard Zojer
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Patent number: 5204679Abstract: An analog-digital converter includes a differential amplifier having collector resistances each being in the form of a resistance line. Node points between resistance segments of the resistance lines are in the form of output terminals. Comparators with a balanced input are provided in the same amount as the resistance segments. In each case one input of a comparator is connected to an output terminal of a first resistance line and another input of the comparator is connected to an output terminal of a second resistance line. Therefore, the same resistance value in each case acts between two output terminals, which are connected to one comparator, in the collector circuit of the differential amplifier.Type: GrantFiled: August 14, 1992Date of Patent: April 20, 1993Assignee: Siemens AktiengesellschaftInventors: Hermann Jessner, Bernhard Zojer, Berthold Astegher
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Patent number: 4857932Abstract: An analog-digital converter operating according to the parallel method includes clock-controlled comparators having reference voltages, the reference voltage of a given one of the comparators being closet to a given analog voltage at a sampling instant, a device for feeding in a clock signal, a device for feeding in an analog signal, and a device connected between the comparators and the clock signal and analog signal feeding devices for setting equal propagation times of the clock signal and the analog signal fed to at least the given one of the comparators.Type: GrantFiled: March 12, 1987Date of Patent: August 15, 1989Assignee: Siemens AktiengesellschaftInventor: Bernhard Zojer
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Patent number: 4633219Abstract: An analog-to-digital converter includes a voltage divider (ST) having n series-connected resistors (R.sub.v ; v=1, 2, . . . n), divider points between the resistors (R.sub.v) and an end receiving a d-c reference voltage (U.sub.R) versus a base point potential, n identical comparators (K.sub.v) each having a first input receiving an analog signal to be processed, a second reference input each being connected to a respective one of the divider points, and an output, a common control logic circuit (LS) connected to the outputs of the comparators (K.sub.v) for furnishing a digital signal corresponding to the analog signal to be processed, each of the resistors (R.sub.v) being connected between one of the divider points which divider point is applied to that one of the comparators (K.sub.v), which is associated with a given (v.sup.th) output code, and another of the divider points assigned to the next lower output code, and each of the resistors (R.sub.Type: GrantFiled: February 14, 1985Date of Patent: December 30, 1986Assignee: Siemens AktiengesellschaftInventors: Bernhard Zojer, Reinhard Petschacher