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. 24, 1991
Filed:
Aug. 22, 1988
Armin Eisermann, Velbert, DE;
Schulte-Schlagbaum Aktiengesellschaft, Velbert, DE;
Abstract
The invention refers to a system for the use of locks of hotel room doors, lockers of bathhouses or similar facilities, having a central delivery station located in the region of an entrance station of the hotel, bathhouse or the like for the issuance of locking elements (keys) each of which fits a given lock of the different doors, lockers or the like, and a locking-element return device which is located in the region of an exit station and scans the locking element and evaluates it, for instance, with respect to a change for use, said return device being connected for data to the delivery station, and in order to obtain optimum handling, it proposes that the locking element bear an additional code (for instance a bar code) in order to trace its path of use.