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. 01, 2016
Filed:
Feb. 25, 2015
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Wilson Jianbo Chen, San Diego, CA (US);
Chiew-Guan Tan, San Diego, CA (US);
Reza Jalilizeinali, Oceanside, CA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 3/01 (2006.01); H03K 17/26 (2006.01); H03K 17/18 (2006.01);
U.S. Cl.
CPC ...
H03K 17/26 (2013.01); H03K 17/18 (2013.01);
Abstract
A back-power prevention circuit is provided that protects a buffer transistor from back-power during a back-power condition by charging a signal lead coupled to a gate of the buffer transistor to a pad voltage and by charging a body of the buffer transistor to the pad voltage.