Patents by Inventor Josef Riegebauer
Josef Riegebauer 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: 9231661Abstract: A method for controlling the flow of data in a near field communication appliance having a plurality of secure elements is provided. The method includes receiving a first communication, sent by an external appliance, which is intended for an application located in one of a plurality of secure elements of the near field communication appliance. The method further includes determining which of the secure elements contains the application, and taking measures in order to ensure that a further communication exclusively between the external appliance and the secure element contains the addressed application. In addition, appropriate mobile terminals for NFC communication are disclosed.Type: GrantFiled: March 20, 2013Date of Patent: January 5, 2016Assignee: Infineon Technologies AGInventors: Thomas Leutgeb, Walter Kargl, Josef Riegebauer
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Patent number: 9088304Abstract: A method for controlling the flow of data in a near field communication appliance having an interposed element and a plurality of secure elements is disclosed. The method includes: receiving a first communication, sent by an external appliance, which is intended for an application located in one of the secure elements; determining whether a first one of the secure elements contains the application; and deactivating an interface from the interposed element to the first secure element if the first secure element does not contain the application. Corresponding systems and appliances for near field communication are also disclosed.Type: GrantFiled: March 20, 2013Date of Patent: July 21, 2015Assignee: Infineon Technologies AGInventors: Thomas Leutgeb, Walter Kargl, Josef Riegebauer
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Patent number: 9055432Abstract: A method for controlling the flow of data in a near field communication appliance having an interposed element and a plurality of secure elements connected to the interposed element is disclosed. The method includes receiving a first communication at a first one of the secure elements. The first communication is sent by an external appliance and suited to an application located in one of the secure elements. The method further includes testing, by means of the first secure element, whether the first secure element contains the application. The first secure element is muted if the first secure element does not contain the application. A corresponding near field communication appliance and terminals are also disclosed.Type: GrantFiled: March 20, 2013Date of Patent: June 9, 2015Assignee: Infineon Technologies AGInventors: Thomas Leutgeb, Walter Kargl, Josef Riegebauer
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Patent number: 8977198Abstract: A communication method for the communication between two appliances which are set up for communication in a first communication mode is provided. The method includes sending an activation sequence in a second communication mode from the first to the second appliance in order to initiate communication based on the first communication mode; sending data from the second appliance to the first appliance based on the first communication mode. The activation sequence sent to the second appliance includes an initialization sequence and a request for data communication in the first communication mode. In addition, a corresponding electronic appliance and system are provided.Type: GrantFiled: November 21, 2012Date of Patent: March 10, 2015Assignee: Infineon Technologies AGInventors: Thomas Leutgeb, Walter Kargl, Josef Riegebauer
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Publication number: 20130252544Abstract: A method for controlling the flow of data in a near field communication appliance having an interposed element and a plurality of secure elements is disclosed. The method includes: receiving a first communication, sent by an external appliance, which is intended for an application located in one of the secure elements; determining whether a first one of the secure elements contains the application; and deactivating an interface from the interposed element to the first secure element if the first secure element does not contain the application. Corresponding systems and appliances for near field communication are also disclosed.Type: ApplicationFiled: March 20, 2013Publication date: September 26, 2013Inventors: Thomas Leutgeb, Walter Kargl, Josef Riegebauer
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Publication number: 20130252545Abstract: A method for controlling the flow of data in a near field communication appliance having a plurality of secure elements is provided. The method includes receiving a first communication, sent by an external appliance, which is intended for an application located in one of a plurality of secure elements of the near field communication appliance. The method further includes determining which of the secure elements contains the application, and taking measures in order to ensure that a further communication exclusively between the external appliance and the secure element contains the addressed application. In addition, appropriate mobile terminals for NFC communication are disclosed.Type: ApplicationFiled: March 20, 2013Publication date: September 26, 2013Inventors: Thomas Leutgeb, Walter Kargl, Josef Riegebauer
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Publication number: 20130254844Abstract: A method for controlling the flow of data in a near field communication appliance having an interposed element and a plurality of secure elements connected to the interposed element is disclosed. The method includes receiving a first communication at a first one of the secure elements. The first communication is sent by an external appliance and suited to an application located in one of the secure elements. The method further includes testing, by means of the first secure element, whether the first secure element contains the application. The first secure element is muted if the first secure element does not contain the application. A corresponding near field communication appliance and terminals are also disclosed.Type: ApplicationFiled: March 20, 2013Publication date: September 26, 2013Inventors: Thomas Leutgeb, Walter Kargl, Josef Riegebauer
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Patent number: 8519822Abstract: An apparatus for selecting a virtual card application from a multi-application contactless card, including a receiver configured to receive an authentication command containing a card key from a card reader. The apparatus further includes a verifier configured to verify the card key in the virtual card applications and to select a card application for communication with the card reader by means of a key match. The apparatus further includes a transmitter configured to transmit a response of the selected card applications to the card reader.Type: GrantFiled: December 4, 2007Date of Patent: August 27, 2013Assignee: Infineon Technologies AGInventor: Josef Riegebauer
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Patent number: 8144017Abstract: An RFID transponder having an adjustable response field strength including a determination circuit formed to determine a quantity which is derivable from a field strength of an electromagnetic field prevailing at the location of the RFID transponder, a comparator formed to compare the determined quantity derived from the field strength with a threshold value, wherein the threshold value is based on the adjustable response field strength, which is higher than the minimum field strength required for the operation of the RFID transponder, and a deactivator formed to deactivate a functionality of the RFID transponder if the derived quantity falls below the threshold value.Type: GrantFiled: February 21, 2008Date of Patent: March 27, 2012Assignee: Infineon Technologies AGInventors: Thomas Leutgeb, Josef Haid, Walter Kargl, Josef Riegebauer, Thomas Baglin, Albert Missoni, Dietmar Scheiblhofer, Bernd Zimek, Friedrich Skofitsch, Markus Unterlercher, Robert Hofer
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Publication number: 20120056718Abstract: An RFID transponder having an adjustable response field strength including a determination circuit formed to determine a quantity which is derivable from a field strength of an electromagnetic field prevailing at the location of the RFID transponder, a comparator formed to compare the determined quantity derived from the field strength with a threshold value, wherein the threshold value is based on the adjustable response field strength, which is higher than the minimum field strength required for the operation of the RFID transponder, and a deactivator formed to deactivate a functionality of the RFID transponder if the derived quantity falls below the threshold value.Type: ApplicationFiled: February 21, 2008Publication date: March 8, 2012Applicant: Infineon Technologies AGInventors: Thomas Leutgeb, Josef Haid, Walter Kargl, Josef Riegebauer, Thomas Baglin, Albert Missoni, Dietmar Scheiblhofer, Bernd Zimek, Friedrich Skofitsch, Markus Unterlercher, Robert Hofer
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Patent number: 7836234Abstract: A communication apparatus for communication according to a master-slave communication protocol is formed as a slave instance communicating with a master instance via a bus. The master instance is operative to switch the bus into a bus suspend state if no bus activity is present during a predetermined interval. In response to a bus suspend state, the slave instance makes a transition to a slave suspend state. The communication apparatus includes a monitor configured to monitor the bus activity and a transmitter configured to transmit a signal via the bus if the monitor does not recognize any bus activity during part of the predetermined interval and a transition of the slave instance to the slave suspend state is undesirable, wherein the signal is operative to prevent the master instance from switching the bus into the bus suspend state.Type: GrantFiled: December 18, 2007Date of Patent: November 16, 2010Assignee: Infineon Technologies AGInventors: Stefan Erdmenger, Berndt Gammel, Josef Riegebauer, Till Winteler
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Patent number: 7809872Abstract: A master device for communicating with a number of slave devices through a communication link having a limited resource. The master device comprises a transceiver adapted for communicating with the slave devices on the communication link and a controller adapted for detecting the number of slave devices. The controller is adapted for determining an individual resource associated with a slave device to be consumed from the communication link, wherein a sum of the individual resources of all slave devices is lower than the limited resource and wherein the transceiver is adapted for assigning the individual resources to the associated slave devices.Type: GrantFiled: December 14, 2007Date of Patent: October 5, 2010Assignee: Infineon Technologies AGInventor: Josef Riegebauer
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Publication number: 20090157928Abstract: A master device for communicating with a number of slave devices through a communication link having a limited resource. The master device comprises a transceiver adapted for communicating with the slave devices on the communication link and a controller adapted for detecting the number of slave devices. The controller is adapted for determining an individual resource associated with a slave device to be consumed from the communication link, wherein a sum of the individual resources of all slave devices is lower than the limited resource and wherein the transceiver is adapted for assigning the individual resources to the associated slave devices.Type: ApplicationFiled: December 14, 2007Publication date: June 18, 2009Applicant: Infineon Technologies AGInventor: Josef Riegebauer
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Publication number: 20080177915Abstract: A communication apparatus for communication according to a master-slave communication protocol is formed as a slave instance communicating with a master instance via a bus. The master instance is operative to switch the bus into a bus suspend state if no bus activity is present during a predetermined interval. In response to a bus suspend state, the slave instance makes a transition to a slave suspend state. The communication apparatus includes a monitor configured to monitor the bus activity and a transmitter configured to transmit a signal via the bus if the monitor does not recognize any bus activity during part of the predetermined interval and a transition of the slave instance to the slave suspend state is undesirable, wherein the signal is operative to prevent the master instance from switching the bus into the bus suspend state.Type: ApplicationFiled: December 18, 2007Publication date: July 24, 2008Applicant: Infineon Technologies AGInventors: STEFAN ERDMENGER, Berndt Gammel, Josef Riegebauer, Till Winteler
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Publication number: 20080144650Abstract: Apparatus for contactless data transmission according to a predetermined transmission protocol providing control information and payload for a data transmission, with a near field communicator and an interface connected to the near field communicator, the interface being operative to exchange, using a first protocol, data with the near field communicator for the contactless transmission. In this context, the first protocol provides a transmission of control information and payload, the payload of the first protocol including the control information and the payload of the predetermined protocol. The apparatus further includes a module coupled to the interface and being operative to exchange, using the payload of the first protocol, the control information and the payload of the predetermined transmission protocol for the data exchanged contactlessly by the near field communicator.Type: ApplicationFiled: December 11, 2007Publication date: June 19, 2008Applicant: Infineon Technologies AGInventors: Robin Boch, Gerd Dirscherl, Berndt Gammel, Josef Riegebauer, Till Winteler
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Publication number: 20080129450Abstract: An apparatus for selecting a virtual card application from a multi-application contactless card, including a receiver configured to receive an authentication command containing a card key from a card reader. The apparatus further includes a verifier configured to verify the card key in the virtual card applications and to select a card application for communication with the card reader by means of a key match. The apparatus further includes a transmitter configured to transmit a response of the selected card applications to the card reader.Type: ApplicationFiled: December 4, 2007Publication date: June 5, 2008Applicant: Infineon Technologies AGInventor: JOSEF RIEGEBAUER
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Patent number: 6962294Abstract: Integrated circuit having security-critical circuit components arranged in a lower plane, data lines arranged in an upper plane, situated at least in part above the security-critical circuit components arranged in the lower plane, and connected to the security-critical circuit components, and a detector circuit that identifies an attack on the integrated circuit. The detector circuit has a transmitting device that transmits predetermined test data into the security-critical circuit components arranged in the lower plane, a receiving device that receives the data processed by the security-critical circuit components arranged in the lower plane, and an evaluation device that compares the received data with expected data and that ascertains any non-correspondence. The data lines carry the predetermined test data that is transmitted by the transmitting device and is processed by the security-critical circuit components.Type: GrantFiled: November 22, 2004Date of Patent: November 8, 2005Assignee: Infineon Technologie AGInventors: Andrea Beit-Grogger, Josef Riegebauer
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Publication number: 20050092848Abstract: Integrated circuit having security-critical circuit components arranged in a lower plane, data lines arranged in an upper plane, situated at least in part above the security-critical circuit components arranged in the lower plane, and connected to the security-critical circuit components, and a detector circuit that identifies an attack on the integrated circuit. The detector circuit has a transmitting device that transmits predetermined test data into the security-critical circuit components arranged in the lower plane, a receiving device that receives the data processed by the security-critical circuit components arranged in the lower plane, and an evaluation device that compares the received data with expected data and that ascertains any non-correspondence. The data lines carry the predetermined test data that is transmitted by the transmitting device and is processed by the security-critical circuit components.Type: ApplicationFiled: November 22, 2004Publication date: May 5, 2005Applicant: Infineon Technologies AGInventors: Andrea Beit-Grogger, Josef Riegebauer
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Patent number: 5056352Abstract: Method and apparatus for generating a precisely defined dynamic pressure pulse. A rigid pressure chamber contains a pressure transmission agent. The pressure chamber has a through opening in which is disposed a piston. A drop weight outside the pressure chamber coacts with the piston to generate a pressure pulse. The mass of the drop weight and the cross section of the piston, along with the chronological curve of acceleration of the drop weight during coaction with the piston, are used to generate a curve representing the pressure pulse. The curve satisfies the following equation: ##EQU1## wherein: m=mass of the drop weight;a(t)=said acceleration curve; andA=said cross sectional area of said piston.Type: GrantFiled: November 6, 1989Date of Patent: October 15, 1991Assignee: AVL Gesellschaft fur Verbrennungskraft-maschinen und Messtechnik mbH., Prof. Dr. Dr. h.c. Hans ListInventors: Gerhard Muhrer, Josef Riegebauer