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:
Feb. 13, 2007
Filed:
Jan. 15, 2002
Applicant:
Terry Michael Schaffner, Palatine, IL (US);
Inventor:
Terry Michael Schaffner, Palatine, IL (US);
Assignee:
Digi International Inc., Minnetonka, MN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for acquiring time and frequency synchronization in a DSSS receiver are disclosed. An iterative approach is used in acquiring a DSSS signal when the phase coherency of the signal is less than the symbol length.