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. 23, 2016
Filed:
Mar. 29, 2011
Hannu Karhuketo, Tuusula, FI;
Gregory Wright, Fair Haven, NJ (US);
Hannu Karhuketo, Tuusula, FI;
Gregory Wright, Fair Haven, NJ (US);
MARISENSE OY, Vantaa, FI;
Abstract
A method and system for an electronic price label system comprising at least a base station and a plurality of electronic labels for transferring information between the base station and electronic labels. The method comprises transmitting a first message from base stationto a plurality of electronic labels, the first message comprising at least identification information of one electronic label, receiving the first message at the electronic label, recognizing the identification information in the first transmitted message by the electronic label, transmitting a second message from the base stationto the electronic label, receiving the second message and sending an acknowledgement message to the second message from electronic labelwith a modulation frequency from a certain frequency range, and searching the acknowledgement message from a predefined frequency range at the base station