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. 16, 2010
Filed:
May. 06, 2005
Applicants:
David G. Martin, Bethlehem, PA (US);
Richard Verney, Woking, GB;
Robert W. Walden, Bethlehem, PA (US);
Inventors:
David G. Martin, Bethlehem, PA (US);
Richard Verney, Woking, GB;
Robert W. Walden, Bethlehem, PA (US);
Assignee:
Agere Systems Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/02 (2006.01); G01R 31/327 (2006.01); H01H 31/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A circuit for, and method of, detecting a signal level on a node and a mobile telephone device incorporating the circuit or the method. In one embodiment, the circuit includes: (1) a switch coupled between a voltage source and the node, (2) a pulse generator coupled to the switch and configured to generate a pulse to control the switch and (3) a detection circuit coupled to the node and configured to detect a signal level at the node on closure of the switch.