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:
Sep. 30, 2014
Filed:
Jul. 16, 2012
Applicants:
Yuan Fuat Chin, Singapore, SG;
Kian Tiong Yeo, Singapore, SG;
Song Gee Lim, Singapore, SG;
Inventors:
Assignee:
Verifone, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 13/12 (2006.01); G06F 13/40 (2006.01); H03K 19/018 (2006.01);
U.S. Cl.
CPC ...
G06F 13/4068 (2013.01); H03K 19/01806 (2013.01);
Abstract
USB apparatus suitable for interconnection with a USB host having a D− bus coupled to ground via a pull-down resistance, the USB apparatus including a microcontroller having a first port and a second port, the first port being coupled via a resistance to a voltage source and a switch, operated by the microcontroller via the second port, selectably interconnecting the first port and the bus of the USB host.