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:
Mar. 26, 2002
Filed:
Sep. 08, 1998
Applicant:
Inventors:
Christian Kranz, Ratingen Lintorf, DE;
Stefan Heinen, Krefeld, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 7/26 ; H04B 7/212 ; H04Q 7/20 ;
U.S. Cl.
CPC ...
H04B 7/26 ; H04B 7/212 ; H04Q 7/20 ;
Abstract
A digital telecommunication facility has a base station and one or more cordless mobile units that communicate with the base station through a TDMA process. The mobile units and the base station change the transmitting/receiving frequency within which they communicate only once per TDMA frame and the retain the new transmitting/receiving frequency for a time corresponding to an entire TDMA frame.