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:
Nov. 14, 2017
Filed:
Nov. 17, 2014
Applicant:
Verifone, Inc., San Jose, CA (US);
Inventor:
Thai Wee Ang, Singapore, SG;
Assignee:
VeriFone, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/02 (2006.01); G06F 3/023 (2006.01); G06F 21/83 (2013.01);
U.S. Cl.
CPC ...
G06F 3/0202 (2013.01); G06F 21/83 (2013.01);
Abstract
A secure keypad including a housing, a keymat within the housing defining a plurality of depressible keys and including at least one conductive trace traversing at least some of the depressible keys, a key contact board within the housing and being cooperative with the keymat for providing data entry inputs responsive to depression of the depressible keys and a tamper detection circuit coupled to the conductive trace for providing an output indication of tampering with the keypad responsive to a change in the electrical characteristics of the conductive trace resulting from the tampering.