Symmetricom Profile

Symmetricom Patent Grants

Method for generating a robust timing correction in timing transfer systems

Patent Number 8644348 - February 4, 2014

High accuracy timing over packet networks is achieved by generating correction factors from multiple separation intervals and timing…

Precise clock synchronization over optical fiber

Patent Number 8600239 - December 3, 2013

A clock at a first network element that is connected to a second network element over first and second optical links that are physically…

Precision time transfer over optical fiber

Patent Number 8594134 - November 26, 2013

A clock at a first network element that is connected to a second network element over an optical fiber link is aligned using bursts of timing…

Network time protocol precision timestamping service

Patent Number 8451867 - May 28, 2013

Embodiments of the present invention set forth a method and system for reducing uncertainty in receive and transmit timestamps created by an…

Method and system for analyzing and qualifying routes in packet networks

Patent Number 8427963 - April 23, 2013

Routes of a packet network are analyzed according to various transit delay metrics. Preferred packet network routes are selected between…

Symmetricom Patent Applications

PRECISE CLOCK SYNCHRONIZATION OVER OPTICAL FIBER

Application Number 20130077964 - March 28, 2013

A clock at a first network element that is connected to a second network element over first and second optical links that are physically…

IMAGE COMPLEXITY COMPUTATION IN PACKET BASED VIDEO BROADCAST SYSTEMS

Application Number 20090125291 - May 14, 2009

A method to determine real time image complexity in video streaming, IPTV and broadcast applications using a statistical model representing…

SPATIAL AND TEMPORAL LOSS DETERMINATION IN PACKET BASED VIDEO BROADCAST SYSTEM IN AN ENCRYPTED ENVIRONMENT

Application Number 20080137667 - June 12, 2008

A method for determining spatial and temporal loss in a packet based video broadcast system in an encrypted environment involves measuring…

Fault detection for subscriber loop repeaters

Application Number 20030045240 - March 6, 2003

Systems and methods are described for fault detection for subscriber loop repeaters. A method includes monitoring an upstream signal on a…

Long subscriber loops using automatic gain control

Application Number 20020105964 - August 8, 2002

Systems and methods are described for long subscriber loops using automatic gain control. A method includes extending a digital subscriber…

Symmetricom Federal Litigation Filings

United States of America, et al v. Abex Aerospace et al

California Central District Court - April 20, 2016

Glassey et al v. Microsemi Inc et al

California Northern District Court - August 12, 2014

Williamson et al v. Microsemi Corporation et al

California Northern District Court - April 21, 2014

Williamson et al v. Microsemi Corporation et al

California Northern District Court - April 21, 2014

Vandana Upadhyay v. Aetna Life Insurance Company

U.S. Court of Appeals, Ninth Circuit - March 6, 2014

Symmetricom Federal District Court Decisions

Williamson et al v. Microsemi Corporation et al

California Northern District Court - February 19, 2015

ORDER by Judge Lucy Koh granting 30 Motion for Final Approval (lhklc2S, COURT STAFF) (Filed on 2/19/2015)

Glassey et al v. Microsemi Inc et al

California Northern District Court - December 11, 2014

ORDER TO SHOW CAUSE. Show Cause Response due by 12/19/2014 at noon.. Signed by Judge Alsup on December 11, 2014. (whalc1, COURT STAFF)…

Glassey et al v. Microsemi Inc et al

California Northern District Court - November 18, 2014

ORDER DENYING PLAINTIFFS REQUESTS FOR JUDICIAL NOTICE re 115 Request for Judicial Notice.. Signed by Judge Alsup on November 18, 2014.…

Williamson et al v. Microsemi Corporation et al

California Northern District Court - November 6, 2014

ORDER by Judge Lucy Koh granting 21 Motion for Preliminary Approval of Class Action Settlement (lhklc2S, COURT STAFF) (Filed on…

Glassey et al v. Microsemi Inc et al

California Northern District Court - October 30, 2014

ORDER STRIKING COMPLAINT AND VACATING HEARINGS re 63 , 73 , 90 , 104 , and 107 .. Signed by Judge Alsup on October 30, 2014. (whalc1,…