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:
Dec. 20, 1994
Filed:
Mar. 15, 1993
Applicant:
Inventors:
Paul Waterhouse, Copetown, CA;
John Stevens, Streetsville, CA;
Assignee:
Electronic Retailing Systems Int'l Inc., Wilton, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K / ; G06F / ;
U.S. Cl.
CPC ...
235383 ; 235385 ;
Abstract
In a system for displaying prices in a retail store, improved rail arrangements are disclosed to permit improved accuracy in confirming the physical location of an improved display device on one such rail arrangement. A response from the device to a host, or central computer, indicates a particular position of the device on the rail arrangement.