Patents by Inventor Mihai Alexandru Ionescu
Mihai Alexandru Ionescu 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).
-
Patent number: 11356016Abstract: This disclosure describes a charge pump circuit comprising a plurality of switches configured to control phases of the charge pump circuit for charging a first capacitor, a second capacitor and a third capacitor. The phases may include: a first phase that charges the first capacitor to a first voltage based on an input voltage; a second phase that charges the second capacitor to a second voltage based on the first voltage and the input voltage; a third phase that charges the first capacitor to a third voltage based on the input voltage; and a fourth phase that charges the third capacitor to a fourth voltage based the second voltage, the third voltage, and the input voltage. In some examples, one or more of the capacitors are charged with duty cycles that are less than 50 percent.Type: GrantFiled: March 11, 2021Date of Patent: June 7, 2022Assignee: Infineon Technologies AGInventors: Mihai-Alexandru Ionescu, Ardit Tabaku
-
Patent number: 11223278Abstract: Voltage supply circuitry includes a high-side pin and a low-side pin configured to couple to a storage element and an output pin. The voltage supply further includes a high-side switching element configured to electrically couple the positive supply pin and the low-side pin based on a high-side control signal and a low-side switching element configured to electrically couple the reference supply pin and the low-side pin based on a low-side control signal. The voltage supply further including driver circuitry configured to generate the high-side control signal and the low-side control signal for operating in a charge pump mode when the storage element is arranged in a charge pump configuration with the voltage supply circuitry and to generate the high-side control signal and the low-side control signal for operating in a boost converter mode when the storage element is arranged in a boost converter configuration with the voltage supply circuitry.Type: GrantFiled: March 4, 2020Date of Patent: January 11, 2022Assignee: Infineon Technologies AGInventors: Michael Asam, Mihai-Alexandru Ionescu, Ardit Tabaku
-
Patent number: 11171474Abstract: In some examples, a device includes at least one input node configured to receive a signal indicating a current through a conductor to a load. The device also includes circuitry configured to determine a first magnitude of the received signal in a first frequency range by applying a first bandpass filter to the received signal. The circuitry is also configured to determine a second magnitude of the received signal in a second frequency range by applying a second bandpass filter to the received signal. The processing circuitry is further configured to determine that an electric arc has occurred on the conductor based on the first magnitude and the second magnitude.Type: GrantFiled: August 27, 2019Date of Patent: November 9, 2021Assignee: Infineon Technologies AGInventors: Mihai-Alexandru Ionescu, Michael Asam, Louis Janinet, Michael Ruprecht, Redouane Djeghader
-
Publication number: 20210281170Abstract: Voltage supply circuitry includes a high-side pin and a low-side pin configured to couple to a storage element and an output pin. The voltage supply further includes a high-side switching element configured to electrically couple the positive supply pin and the low-side pin based on a high-side control signal and a low-side switching element configured to electrically couple the reference supply pin and the low-side pin based on a low-side control signal. The voltage supply further including driver circuitry configured to generate the high-side control signal and the low-side control signal for operating in a charge pump mode when the storage element is arranged in a charge pump configuration with the voltage supply circuitry and to generate the high-side control signal and the low-side control signal for operating in a boost converter mode when the storage element is arranged in a boost converter configuration with the voltage supply circuitry.Type: ApplicationFiled: March 4, 2020Publication date: September 9, 2021Inventors: Michael Asam, Mihai-Alexandru Ionescu, Ardit Tabaku
-
Publication number: 20210066904Abstract: In some examples, a device includes at least one input node configured to receive a signal indicating a current through a conductor to a load. The device also includes circuitry configured to determine a first magnitude of the received signal in a first frequency range by applying a first bandpass filter to the received signal. The circuitry is also configured to determine a second magnitude of the received signal in a second frequency range by applying a second bandpass filter to the received signal. The processing circuitry is further configured to determine that an electric arc has occurred on the conductor based on the first magnitude and the second magnitude.Type: ApplicationFiled: August 27, 2019Publication date: March 4, 2021Inventors: Mihai-Alexandru Ionescu, Michael Asam, Louis Janinet, Michael Ruprecht, Redouane Djeghader
-
Patent number: 10591315Abstract: A magnetic sensor device for determining a rotation direction of a magnetic component about a rotation axis is provided. The magnetic sensor device includes a bridge circuit with a first half-bridge and a second half-bridge. Each of the first half-bridge and the second half-bridge comprises at least one magnetoresistive structure. Further, the magnetic sensor device includes an evaluation circuit configured to determine the rotation direction of the magnetic component based on a phase difference between an output signal of the first half-bridge and an output signal of the second half-bridge.Type: GrantFiled: June 14, 2017Date of Patent: March 17, 2020Assignee: Infineon Technologies AGInventors: Mihai Alexandru Ionescu, Tobias Werth
-
Patent number: 10489067Abstract: An information storage circuit having a first memory portion configured to store a first validity bit and first data; a second memory portion configured to store a second validity bit and second data; and a subcircuit configured to: write the first data to the first memory portion and the second data to the second memory portion sequentially; and set the first and second validity bits to indicate which of the first data and second data is valid.Type: GrantFiled: April 14, 2017Date of Patent: November 26, 2019Assignee: Infineon Technologies AGInventors: Mihai-Alexandru Ionescu, Christoph Schroers, Davide Cassata, Hubert Fischer, Wolfgang Horn, Razvan-Catalin Mialtu, Radu Mihaescu
-
Patent number: 10382024Abstract: An omnipolar magnetic sensor system includes an input stage and a behavior component. The input stage is configured to receive a source signal and to selectively chop the source signal. Further, the input stage is configured to balance the source signal using behavior parameters and generate a balanced source signal.Type: GrantFiled: May 16, 2016Date of Patent: August 13, 2019Assignee: Infineon Technologies AGInventor: Mihai Alexandru Ionescu
-
Publication number: 20180003522Abstract: A magnetic sensor device for determining a rotation direction of a magnetic component about a rotation axis is provided. The magnetic sensor device includes a bridge circuit with a first half-bridge and a second half-bridge. Each of the first half-bridge and the second half-bridge comprises at least one magnetoresistive structure. Further, the magnetic sensor device includes an evaluation circuit configured to determine the rotation direction of the magnetic component based on a phase difference between an output signal of the first half-bridge and an output signal of the second half-bridge.Type: ApplicationFiled: June 14, 2017Publication date: January 4, 2018Inventors: Mihai Alexandru IONESCU, Tobias WERTH
-
Publication number: 20170262206Abstract: An information storage circuit having a first memory portion configured to store a first validity bit and first data; a second memory portion configured to store a second validity bit and second data; and a subcircuit configured to: write the first data to the first memory portion and the second data to the second memory portion sequentially; and set the first and second validity bits to indicate which of the first data and second data is valid.Type: ApplicationFiled: April 14, 2017Publication date: September 14, 2017Inventors: Mihai-Alexandru Ionescu, Christoph Schroers, Davide Cassata, Hubert Fischer, Wolfgang Horn, Razvan-Catalin Mialtu, Radu Mihaescu
-
Patent number: 9730755Abstract: A system and method for the delivery of a medical device to a treatment location. The device may include an elongate body, the elongate body including a plurality of annular segments and a jacket disposed about the plurality of annular segments and defining an interior space, and a vacuum source in fluid communication with the interior space of the jacket. When a vacuum is applied to the interior space of the jacket, the jacket may constrict about the plurality of annular elements, thereby increasing the frictional forces between the plurality of segments and between the plurality of segments and an inner surface of the jacket.Type: GrantFiled: January 31, 2014Date of Patent: August 15, 2017Assignee: Medtronic CryoCath LPInventors: Dan Wittenberger, George D. Mallin, Claudia Lueckge, Mihai-Alexandru Ionescu, Daniel Harvey-Poncelet
-
Patent number: 9678138Abstract: A monitoring unit (100; 800) for monitoring an integrity of a signal path (200; 620) configured to receive an input signal (210, 802) and further configured to provide an output (220) in response to the input signal (210, 802), comprises a signal monitor (110; 801) configured to extract a first signal (112; 630) from the signal path (200; 620) corresponding to the input signal (210, 802) in at least a first characteristic. The monitoring unit (100; 800) further comprises a signal interface (120; 803) configured to extract a second signal (122; 631) corresponding to the output (220) in at least a second characteristic from the signal path (200; 620); and an evaluator (130) configured to determine, whether the at least first characteristic of the first signal (112; 630) corresponds to the at least second characteristic of the second signal (122; 631) according to a predefined relation.Type: GrantFiled: October 29, 2015Date of Patent: June 13, 2017Assignee: Infineon Technologies AGInventors: Bernhard Forster, Kirk Herfurth, Mihai Alexandru Ionescu, Friedrich Rasbornig, Christoph Schroers
-
Patent number: 9652011Abstract: Embodiments relate to multi-contact sensor devices and operating methods thereof that can reduce or eliminate offset error. In embodiments, sensor devices can comprise three or more contacts, and multiple such sensor devices can be combined. The sensor devices can comprise Hall sensor devices, such as vertical Hall devices, or other sensor types in embodiments. Operating modes can be implemented for the multi-contact sensor devices which offer significant modifications of and improvements over conventional spinning current principles, including reduced residual offset.Type: GrantFiled: October 14, 2014Date of Patent: May 16, 2017Assignee: Infineon Technologies AGInventors: Mihai-Alexandru Ionescu, Christoph Schroers, Davide Cassata, Hubert Fischer, Wolfgang Horn, Razvan-Catalin Mialtu, Radu Mihaescu
-
Publication number: 20160277009Abstract: An omnipolar magnetic sensor system includes an input stage and a behavior component. The input stage is configured to receive a source signal and to selectively chop the source signal. Further, the input stage is configured to balance the source signal using behavior parameters and generate a balanced source signal.Type: ApplicationFiled: May 16, 2016Publication date: September 22, 2016Inventor: Mihai Alexandru Ionescu
-
Patent number: 9341682Abstract: An omnipolar magnetic sensor system includes an input stage and a behavior component. The input stage is configured to receive a source signal and to selectively chop the source signal. Further, the input stage is configured to balance the source signal using behavior parameters and generate a balanced source signal.Type: GrantFiled: October 29, 2013Date of Patent: May 17, 2016Assignee: Infineon Technologies AGInventor: Mihai Alexandru Ionescu
-
Publication number: 20160131696Abstract: A monitoring unit (100; 800) for monitoring an integrity of a signal path (200; 620) configured to receive an input signal (210, 802) and further configured to provide an output (220) in response to the input signal (210, 802), comprises a signal monitor (110; 801) configured to extract a first signal (112; 630) from the signal path (200; 620) corresponding to the input signal (210, 802) in at least a first characteristic. The monitoring unit (100; 800) further comprises a signal interface (120; 803) configured to extract a second signal (122; 631) corresponding to the output (220) in at least a second characteristic from the signal path (200; 620); and an evaluator (130) configured to determine, whether the at least first characteristic of the first signal (112; 630) corresponds to the at least second characteristic of the second signal (122; 631) according to a predefined relation.Type: ApplicationFiled: October 29, 2015Publication date: May 12, 2016Inventors: Bernhard Forster, Kirk Herfurth, Mihai Alexandru Ionescu, Friedrich Rasbornig, Christoph Schroers
-
Publication number: 20150216589Abstract: A system and method for the delivery of a medical device to a treatment location. The device may include an elongate body, the elongate body including a plurality of annular segments and a jacket disposed about the plurality of annular segments and defining an interior space, and a vacuum source in fluid communication with the interior space of the jacket. When a vacuum is applied to the interior space of the jacket, the jacket may constrict about the plurality of annular elements, thereby increasing the frictional forces between the plurality of segments and between the plurality of segments and an inner surface of the jacket.Type: ApplicationFiled: January 31, 2014Publication date: August 6, 2015Applicant: Medtronic CryoCath LPInventors: Dan WITTENBERGER, George D. MALLIN, Claudia LUECKGE, Mihai-Alexandru IONESCU, Daniel HARVEY-PONCELET
-
Publication number: 20150115946Abstract: An omnipolar magnetic sensor system includes an input stage and a behavior component. The input stage is configured to receive a source signal and to selectively chop the source signal. Further, the input stage is configured to balance the source signal using behavior parameters and generate a balanced source signal.Type: ApplicationFiled: October 29, 2013Publication date: April 30, 2015Applicant: Infineon Technologies AGInventor: Mihai Alexandru Ionescu
-
Publication number: 20150033085Abstract: Embodiments relate to multi-contact sensor devices and operating methods thereof that can reduce or eliminate offset error. In embodiments, sensor devices can comprise three or more contacts, and multiple such sensor devices can be combined. The sensor devices can comprise Hall sensor devices, such as vertical Hall devices, or other sensor types in embodiments. Operating modes can be implemented for the multi-contact sensor devices which offer significant modifications of and improvements over conventional spinning current principles, including reduced residual offset.Type: ApplicationFiled: October 14, 2014Publication date: January 29, 2015Inventors: Mihai-Alexandru Ionescu, Christoph Schroers, Davide Cassata, Hubert Fischer, Wolfgang Horn
-
Patent number: 8862949Abstract: Embodiments relate to reliably storing information in a sensor or other device. In an embodiment, information storage circuitry comprises independent, redundant memory portions and error detection circuitry. The circuit can operate in cooperation with a memory writing procedure that utilizes a validity bit and sequentially writes to one or the other of the redundant memory portions such that at least one of the memory portions has data that is valid and can be recognized as such.Type: GrantFiled: October 15, 2012Date of Patent: October 14, 2014Assignee: Infineon Technologies AGInventors: Mihai-Alexandru Ionescu, Razvan-Catalin Mialtu, Radu Mihaescu