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:
Aug. 11, 2009
Filed:
Feb. 28, 2003
Stefan Gudmundsson, Gothenburg, SE;
Stefan Gudmundsson, Gothenburg, SE;
Volvo Technology Corporation, Gothenburg, SE;
Abstract
Method and arrangement for operating a communication system for communication between a central station () and one or a plurality or remote objects (to), as well as such an object, wherein at least one object is operated in a battery saving mode in which it is switched alternatively between a wake period for conducting communication between the object and the central station and a sleep period in which communication is inactive. Each object is designated a predetermined first time (t) and a time interval (Dt), wherein each object initiates the wake periods at times t+n (Dt) with n=0, 1, 2, . . . and wherein the time interval is longer than the wake period.