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:
Jun. 22, 1993
Filed:
Sep. 13, 1991
Donald A Collins, Jr, Ithaca, NY (US);
Charles K Wike, Jr, Cambridge, OH (US);
Joseph M Lindacher, Cambridge, OH (US);
NCR Corporation, Dayton, OH (US);
Abstract
A method for optimizing the reading ability of an omnidirectional optical scanner for various bar code label aspect ratios which can effectively double the angular coverage of an ordinary scan module. For high aspect ratio bar code labels, the method involves increasing the speed ratio between a first scanner motor within a scan module and a second scanner motor within a tilted mirror assembly by decreasing the speed of the second scanner motor by a predetermined amount. For other bar code labels, the method involves decreasing the speed ratio between the first scanner motor and the second scanner motor by increasing the speed of the second scanner motor by the predetermined amount. The method uses programming tags and speed control circuitry to change the speed of the second motor. The method also includes the steps of decreasing the swipe speed of articles having high aspect ratio bar code labels and increasing the swipe speed of other articles.