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:
Feb. 26, 2019
Filed:
Jun. 25, 2013
Applicant:
Ncr Corporation, Duluth, GA (US);
Inventor:
Grant A. McNicoll, Angus, GB;
Assignee:
NCR Corporation, Atlanta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 11/00 (2006.01); G06F 21/83 (2013.01); G07F 7/10 (2006.01); G06F 21/86 (2013.01); G06F 3/02 (2006.01); G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
H03M 11/006 (2013.01); G06F 3/0219 (2013.01); G06F 3/0416 (2013.01); G06F 21/83 (2013.01); G06F 21/86 (2013.01); G07F 7/1016 (2013.01); G06F 2221/2143 (2013.01);
Abstract
A keypad is described. The keypad comprises: a keypad housing defining a plurality of key apertures; a plurality of physical keys, each physical key located in a respective key aperture and being moveable with respect to the key aperture; and a non-contact (for example, capacitive) sensing layer located beneath the plurality of keys. A touch controller is coupled to the capacitive sensing layer and is operable to ascertain a touch location corresponding to a depressed key. A cryptographic controller may be provided in communication with the touch controller and is operable to interpret the touch location.