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. 23, 2010
Filed:
Sep. 09, 2004
Applicants:
Serge Fruhauf, Cupertino, CA (US);
Robert A. Leydier, Orsay, FR;
Inventors:
Serge Fruhauf, Cupertino, CA (US);
Robert A. Leydier, Orsay, FR;
Assignees:
STMicroelectronics, Inc., Carrollton, TX (US);
Axalto, , FR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/00 (2006.01); G06F 13/00 (2006.01); G06F 13/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A USB device, integrated circuit, smart card and method are disclosed. A USB transceiver is connected to a data interface and operable at a respective low speed and full speed configuration. A processor as a USB device controller is operatively connected to the low speed USB transceiver and full speed USB transceiver and operable for transmitting a different device descriptor to a USB host for performing an enumeration depending on whether a low speed or high speed operation is chosen.