The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 13, 2010
Filed:
Jan. 07, 2005
Applicant:
Holger Listle, Hildesheim, DE;
Inventor:
Holger Listle, Hildesheim, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/00 (2006.01); G06F 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A navigation system including a drive for reading out navigation data which is stored on a data medium. In addition to the navigation data, a pregap is present on the data medium in which identification data is stored. The drive is designed in such a way that it is able to read CD information in the pregap and compares the identification data stored in the pregap to predefined data to allow or deny access to the navigation data.