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:
Dec. 04, 2012
Filed:
Apr. 27, 2009
Applicants:
Ben Maxson, Beech Grove, IN (US);
Koji Okamoto, Indianapolis, IN (US);
Inventors:
Ben Maxson, Beech Grove, IN (US);
Koji Okamoto, Indianapolis, IN (US);
Assignee:
Acterna LLC, Germantown, MD (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 7/173 (2011.01);
U.S. Cl.
CPC ...
Abstract
Use of direct sequence spread spectrum test signals injected at the same time and frequency of active network services to perform non-interfering measurements in the forward and reverse path of a CATV plant. Ideally, a plurality of transmitters, each transmitting a test signal with a unique spreading code, whereby multiple overlapping test signals are received simultaneously at the receiver (CDMA).