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. 21, 2015
Filed:
Jun. 18, 2012
Applicants:
Andrew J. Macdonald, Grosse Pointe Park, MI (US);
Sethu K. Madhavan, Canton, MI (US);
Claude Jinga, Royal Oak, MI (US);
Inventors:
Andrew J. Macdonald, Grosse Pointe Park, MI (US);
Sethu K. Madhavan, Canton, MI (US);
Claude Jinga, Royal Oak, MI (US);
Assignee:
General Motors LLC, Detroit, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04M 3/00 (2006.01); H04B 3/23 (2006.01);
U.S. Cl.
CPC ...
H04M 3/002 (2013.01); H04B 3/232 (2013.01);
Abstract
A system and method for data communication over a cellular communications network that allows the transmission of digital data over a voice channel connection using a vocoder that prevents the generation of spurious signals during transmission. The method utilizes a signaling waveform which varies in amplitude, frequency, phase, or combination thereof without exhibiting periodic nullities.