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. 14, 2011
Filed:
Jun. 20, 2008
Keith Conroy, Perkasie, PA (US);
Omer Acikel, San Diego, CA (US);
Francesco Caggioni, Winchester, MA (US);
Keith Conroy, Perkasie, PA (US);
Omer Acikel, San Diego, CA (US);
Francesco Caggioni, Winchester, MA (US);
Applied Micro Circuits Corporation, San Diego, CA (US);
Abstract
A system and method are provided for controlling time delay in a multichannel optical transport network transmission device. The method accepts a pair of 2-phase shift keying (2PSK) modulated signals via Ix and Qx electrical signal paths, where n>1, and a pair of 2-PSK modulated signals via Iy and Qy electrical signal paths where p>1. A voltage Von the Ix signal path is compared with a voltage Von the Qx signal path, and a VOx voltage in generated, which is minimized by adjusting time delay modules in the Ix and Qx signals paths. Likewise, a voltage V(Iy) is compared with a voltage V(Qy), and a VOy voltage is generated and minimized. Subsequent to minimizing VOx and VOy, the sum of Vand V(V) is compared with the sum of Vand V(V), and a VOxy voltage is generated and minimized.