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:
Mar. 06, 2018
Filed:
Jul. 14, 2016
Bretford Manufacturing, Inc., Franklin Park, IL (US);
Hubert Benjamin Ki Durn Ng, Park Ridge, IL (US);
Jim Fisher, Gurnee, IL (US);
Robert Gabriel, Lisle, IL (US);
Caleb Durante, Oak Park, IL (US);
Cary Maguire, Chicago, IL (US);
Christopher Brandel, Northfield, IL (US);
Bretford Manufacturing, Inc., Franklin Park, IL (US);
Abstract
A digital keypad interface includes a keypad having a plurality of keys, a lock status indicator, a first set of LEDs set around a periphery of the lock status indicator, an unlock status indicator, and a second set of LEDs set around a periphery of the unlock status indicator. A microprocessor is provided to sequentially light LEDs of the first set of LEDs during a locking sequence of inputs via the keypad and to sequentially light LEDs of the second set of LEDs during an unlocking sequence of inputs via the keypad.