Patents by Inventor Ruediger Bartz

Ruediger Bartz 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).

  • Mobile transponder for a motor vehicle
    Patent number: 7057520
    Abstract: A mobile transponder for vehicles with an optical indicator providing information concerning the direction from the transponder to a vehicle. A plurality of antennas provide three-dimensional directional characteristics in order to recognize the signal from the vehicle and to provide a directed output. An evaluation circuit analyzes the signal from the antenna and provides output information concerning the direction and location of the vehicle in relationship to the transponder. This information is displayed on the transponder regardless of the orientation of the transponder.
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: June 6, 2006
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Ruediger Bartz, Carsten Befelein
  • Method for authenticating a spare key for using a vehicle
    Patent number: 7002450
    Abstract: In a method for authenticating a spare key for use with a vehicle in the absence of the regular key, the spare key is provided with an identification number that is transmitted to, and checked by, a central station. The spare key is authenticated by an authorization signal sent from the central station to the vehicle.
    Type: Grant
    Filed: June 30, 2004
    Date of Patent: February 21, 2006
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventor: Ruediger Bartz
  • Method for authenticating a spare key for using a vehicle
    Publication number: 20050024182
    Abstract: In a method for authenticating a spare key for use with a vehicle in the absence of the regular key, the spare key is provided with an identification number that is transmitted to, and checked by, a central station. The spare key is authenticated by an authorization signal sent from the central station to the vehicle.
    Type: Application
    Filed: June 30, 2004
    Publication date: February 3, 2005
    Inventor: Ruediger Bartz
  • Method for authenticating a spare key for using a vehicle
    Patent number: 6847286
    Abstract: In a method for authenticating a spare key for use with a vehicle in the absence of the regular key, the spare key is provided with an identification number that is transmitted to, and checked by, a central station. The spare key is authenticated by an authorization signal sent from the central station to the vehicle.
    Type: Grant
    Filed: January 18, 2000
    Date of Patent: January 25, 2005
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventor: Ruediger Bartz
  • Vehicle user identification device
    Patent number: 6535107
    Abstract: In the case of a vehicle user identification device having a mobile transponder which contains a memory for an authorization code and a transmitting-receiving device for transmitting the authorization code to a vehicle-fixed receiver, the transponder is arranged in a user's mobile information and communication device.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: March 18, 2003
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventor: Ruediger Bartz
  • Identification system for the user of a vehicle
    Patent number: 6525646
    Abstract: In an identification system for the user of a vehicle having a mobile transponder which contains a memory for an authorization code and a transmitting-receiving device for transmitting the authorization code to a vehicle-fixed receiver, the transponder is arranged in a user's wristwatch.
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: February 25, 2003
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventor: Ruediger Bartz