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:
Jun. 07, 2022
Filed:
Oct. 21, 2020
Applicant:
Qualcomm Incorporated, San Diego, CA (US);
Inventors:
Lalan Jee Mishra, San Diego, CA (US);
Richard Dominic Wietfeldt, San Diego, CA (US);
George Alan Wiley, San Diego, CA (US);
Radu Pitigoi-Aron, San Jose, CA (US);
Assignee:
QUALCOMM Incorporated, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 5/12 (2006.01); H04L 23/02 (2006.01); H04L 27/36 (2006.01); H04L 25/49 (2006.01); H04L 1/00 (2006.01);
U.S. Cl.
CPC ...
H04L 27/363 (2013.01); H04L 1/0063 (2013.01); H04L 25/4917 (2013.01);
Abstract
Pulse amplitude modulation (PAM) encoding for a communication bus is disclosed. In particular, various two-wire communication buses may encode bits using three-level PAM (PAM-3) or five-level PAM (PAM-5) to increase bit transmission without requiring increases to clock frequencies or adding additional pins. Avoiding increases in clock frequencies helps reduce the risk of electromagnetic interference (EMI), and avoiding use of extra pins avoids cost increases for integrated circuits (ICs).