Patents by Inventor Stefan Hülder

Stefan Hülder 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: 8681988
    Abstract: A method for encoding a connection between a base (2) and a mobile part (1), and a computer program product is povided. The method comprises generating a key agreed to by the base (2) and the mobile part (1) during a first connection, wherein the key comprises an index assigned by the base during the first connection, and b) using the generated key for a second connection between the base (2) and the mobile part (1), wherein the data to be transferred between the base (2) and the mobile part (1) are identified and encoded using the index assigned to the key. The security of wireless data transfer is thus increased in a simple and low-cost manner.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: March 25, 2014
    Assignee: Gigaset Communications GmbH
    Inventors: Dieter Kehren, Gustavo Fernandez, Stefan Hülder
  • Patent number: 8594071
    Abstract: In order to be able to control the creation of a user channel connection in a communication system using wireless communication between at least one mobile part and one wired part in such a way that a user channel connection is established more quickly upon a connection request indicated by the mobile part or the wired part for the purpose of transmitting user data and, at the same time, due to market requirements, no synchronization pulses are sent by the wired part in the idle state, an initiating device of the communication system (for example, for an incoming call: base station; for an outgoing call: mobile part) sends, from an asynchronous idle state, synchronization pulses (SB) to all available physical resources. Due to the plurality of the sent, available synchronization pulses (SB), rapid synchronization is ensured because the probability is sufficiently increased thereby that a pulse will fall in the search window of a receiver.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: November 26, 2013
    Assignee: Gigaset Communications GmbH
    Inventors: Mathäus Alberti, Sven Berauer, Stefan Hülder, Erich Kamperschroer, Dieter Kehren, Günter Kleindl, Stefan Koch, Jürgen Lepping, Matthias Lungwitz, Andreas Müller, Christine Schmidl, Wilfried Többen, Torsten Waldeck
  • Publication number: 20120106740
    Abstract: The invention relates to a method for encoding a connection between a base (2) and a mobile part (1), and a computer program product. The method comprises the steps of: a) generating a key agreed to by the base (2) and the mobile part (1) during a first connection, wherein the key comprises an index assigned by the base during the first connection, and b) using the generated key for a second connection between the base (2) and the mobile part (1), wherein the data to be transferred between the base (2) and the mobile part (1) are identified and encoded using the index assigned to the key. The security of wireless data transfer is thus increased in a simple and low-cost manner.
    Type: Application
    Filed: June 17, 2010
    Publication date: May 3, 2012
    Applicant: GIGASET COMMUNICATIONS GMBH
    Inventors: Dieter Kehren, Gustavo Fernandez, Stefan Hülder
  • Patent number: 8144642
    Abstract: In order to prevent in a communication system covering at least one cell for wireless communication, the system having a line-limited or across-line wireless direct communication possibility between mobile phones that is synchronized with a base station, that mobile parts attempt to synchronize in the communication system with a continuous broadcast downlink service provided by a hybrid mobile part, it is proposed to mark the continuous broadcast downlink service of the hybrid mobile part, which assumes the role of a radio fixed part, so that mobile parts, which want to synchronize with a true radio fixed part, can detect that the service provided by the hybrid mobile part is not permanently available, or even incomplete.
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: March 27, 2012
    Assignee: Gigaset Communications GmbH
    Inventors: Stefan Hülder, Dieter Kehren, Christoph Lenfort
  • Patent number: 7848344
    Abstract: During the transmission of subscriber-specific data, particularly via a transfer medium and according to a transmission principle based on time slot transmission with time slot separation, the transfer medium used by several subscribers can also be efficiently used when the data rates of the data transmitted in the transmission direction (SRI) and the reception direction (ERI) for at least one subscriber using the transmission are differently, i.e. asymmetrically distributed. To this end, the data to be transmitted for each subscriber are transmitted, as in the case of a symmetric data distribution, in at least two time slots (ZS) per a periodically returning time frame (ZR, ZR1, ZR6) and corresponding to the asymmetrical distribution of the ratio of a number of transmission data packets (SDP) to reception data packets (EDP) in a plurality n half time frame of the time frame (ZR, ZR1 ZR6) with n being greater or equal to 2 or ? N.
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: December 7, 2010
    Assignee: Gigaset Communications GmbH
    Inventors: Stefan Hülder, Erich Kamperschroer, Dieter Kehren, Günter Kleindl, Christoph Lenfort, Andreas Müller, Marco van de Logt
  • Publication number: 20100272095
    Abstract: In order to be able to control the creation of a user channel connection in a communication system using wireless communication between at least one mobile part and one wired part in such a way that a user channel connection is established more quickly upon a connection request indicated by the mobile part or the wired part for the purpose of transmitting user data and, at the same time, due to market requirements, no synchronization pulses are sent by the wired part in the idle state, an initiating device of the communication system (for example, for an incoming call: base station; for an outgoing call: mobile part) sends, from an asynchronous idle state, synchronization pulses (SB) to all available physical resources. Due to the plurality of the sent, available synchronization pulses (SB), rapid synchronization is ensured because the probability is sufficiently increased thereby that a pulse will fall in the search window of a receiver.
    Type: Application
    Filed: March 14, 2008
    Publication date: October 28, 2010
    Applicant: GIGASET COMMUNICATIONS GMBH
    Inventors: Mathäus Alberti, Sven Berauer, Stefan Hülder, Erich Kamperschroer, Dieter Kehren, Günter Kleindl, Stefan Koch, Jürgen Lepping, Matthias Lungwitz, Andreas Müller, Christine Schmidl, Wilfried Tobben, Torsten Waldeck
  • Publication number: 20100130190
    Abstract: In order to prevent in a communication system covering at least one cell for wireless communication, the system having a line-limited or across-line wireless direct communication possibility between mobile phones that is synchronized with a base station, that mobile parts attempt to synchronize in the communication system with a continuous broadcast downlink service provided by a hybrid mobile part, it is proposed to mark the continuous broadcast downlink service of the hybrid mobile part, which assumes the role of a radio fixed part, so that mobile parts, which want to synchronize with a true radio fixed part, can detect that the service provided by the hybrid mobile part is not permanently available, or even incomplete.
    Type: Application
    Filed: January 29, 2008
    Publication date: May 27, 2010
    Applicant: GIGASET COMMUNICATIONS GMBH
    Inventors: Stefan Hülder, Dieter Kehren, Christoph Lenfort