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:
Apr. 17, 2018
Filed:
Apr. 08, 2011
Applicant:
Frederick Johannes Bruwer, Paarl, ZA;
Inventor:
Frederick Johannes Bruwer, Paarl, ZA;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 17/96 (2006.01); H03K 17/955 (2006.01); G06F 3/044 (2006.01); H03K 17/975 (2006.01);
U.S. Cl.
CPC ...
H03K 17/9622 (2013.01); G06F 3/044 (2013.01); H03K 17/955 (2013.01); H03K 17/962 (2013.01); H03K 17/975 (2013.01); G06F 2203/04105 (2013.01); H03K 2217/94036 (2013.01); H03K 2217/960755 (2013.01);
Abstract
A user interface which includes a capacitive measurement circuit with a sense plate covered by an electrically conductive cover member, and wherein said circuit may sense two types of events, said types distinguished by an inverse change in measured capacitance, and wherein user proximity and touches with less than a minimum required force constitute one event type, and touches with more than said minimum force constitute the other event type.