Patents by Inventor Guenter Schuchardt

Guenter Schuchardt 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).

  • Electrical device
    Patent number: 6850471
    Abstract: An electrical device, in particular a car radio, allows more user-friendly checking of access authorization is described. The electrical device includes a disc drive for a storage medium, a read device being provided for reading data stored on the storage medium placed in the disc drive. Device-specific data is stored in a memory assigned to the electrical device. Data read from the storage medium is compared with the device-specific data. The electrical device is only rendered operational if the data that has been read matches the device-specific data.
    Type: Grant
    Filed: March 11, 1999
    Date of Patent: February 1, 2005
    Assignee: Robert Bosch GmbH
    Inventors: Karl-Heinz Black, Guenter Schuchardt