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:
Jul. 20, 1993
Filed:
Mar. 08, 1991
Applicant:
Inventor:
Daniel J Yenglin, Spring Lake, MI (US);
Assignee:
Thomas F. Parker & Associates, Inc., Grand Haven, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
340568 ; 221-2 ; 221-3 ; 340526 ; 340529 ; 340539 ;
Abstract
The system includes optical detectors, a control microprocessor, and an alarm. The detectors optically detect the presence of cartons within the shelf exit openings and emit carton-present signals upon such detection The microprocessor is responsive to the signals and activates an alarm when a preselected detector signal pattern is observed. In the preferred embodiment, the alarm patterns include four signals within 15 seconds or one signal having a duration of 6.5 seconds.
Yenglin, Daniel. (1993). Security system for cigarette display case (U.S. Patent No. 5229749). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5229749
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