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. 07, 2020
Filed:
Mar. 21, 2019
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Shih-Wei Chou, San Diego, CA (US);
Ying Duan, San Diego, CA (US);
Abhay Dixit, San Diego, CA (US);
Harry Huy Dang, San Diego, CA (US);
Thomas Clark Bryan, Carlsbad, CA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 5/156 (2006.01); H03K 3/356 (2006.01); H03K 5/24 (2006.01);
U.S. Cl.
CPC ...
H03K 5/1565 (2013.01); H03K 3/356104 (2013.01); H03K 5/2472 (2013.01);
Abstract
Duty cycle correction circuits are provided that include a serial combination of a first inverter and a second inverter for inverting an input clock signal into an output clock signal having a corrected duty cycle. The duty cycle correction circuits also include a serial combination of a third inverter and a fourth inverter for inverting a complement input clock signal into a complement output clock signal having a corrected duty cycle.