Sigma Designs Profile

Sigma Designs Patent Grants

Power line communication method and apparatus

Patent Number 9479221 - October 25, 2016

An Apparatus for transmitting and receiving signals over residential electrical cables includes a processor, at least one transmitter and at…

Collision avoidance media access method for shared networks

Patent Number 9413550 - August 9, 2016

A method includes scheduling a grid of sub-burst slots in a media access plan, each sub-burst slot having a shorter duration than a minimal…

Power line communications method and apparatus

Patent Number 9191067 - November 17, 2015

Apparatus, for transmitting and receiving signals over residential electrical cables, includes a processor, at least one transmitter and at…

Home electrical device control within a wireless mesh network

Patent Number 9166812 - October 20, 2015

In embodiments of the present invention improved capabilities are described for associating a first node in a mesh network with an electrical…

Power line communication method and apparatus

Patent Number 9143198 - September 22, 2015

A system for transmitting and receiving signals over residential electrical cables includes at least one active wire, neutral wire and ground…

Sigma Designs Patent Applications

HIGH-PERFORMANCE ZERO-CROSSING DETECTOR

Application Number 20140118028 - May 1, 2014

A zero-crossing detection circuit includes a comparator and circuitry. The comparator produces an output signal that is indicative of…

NODE REPAIR IN A MESH NETWORK

Application Number 20140098658 - April 10, 2014

In embodiments of the present invention improved capabilities are described for sensing a change in a network topology using a discovery node…

System For Coupling A Power Line Communication Device To A Power Line Network

Application Number 20130320775 - December 5, 2013

Coupling circuit for coupling a power line communication device to a power line network, including a first network port coupled between a…

METHOD FOR UNIQUELY ADDRESSING A GROUP OF NETWORK UNITS IN A SUB-NETWORK

Application Number 20130219482 - August 22, 2013

In embodiments of the present disclosure improved capabilities are described for delivering a command to a group of computing devices,…

MULTICAST TRANSMISSIONS

Application Number 20130208719 - August 15, 2013

A method for multicast transmissions between a source node and a client node includes the source node generating a multicast stream identifier…

Sigma Designs Federal Litigation Filings

Blue Spike, LLC v. Verance Corporation et al

Texas Eastern District Court - July 1, 2016

In re: Subpoena to Sigma Designs, Inc.

California Northern District Court - June 10, 2016

Gordon, et al v. Sigma Designs, Inc.

California Northern District Court - February 6, 2015

Mentor Graphics Corporation v. Sigma Designs, Inc.

California Northern District Court - February 18, 2014

Powerline Innovations, LLC v. Qualcomm Incorporated et al

Texas Eastern District Court - August 6, 2011

Sigma Designs Federal District Court Decisions

Gordon, et al v. Sigma Designs, Inc.

California Northern District Court - February 24, 2015

TENTATIVE RULING ON MOTION TO COMPEL Dkt. Re. No. 1 . Signed by Judge Nathanael Cousins on 2/24/2015. (lmh, COURT STAFF) (Filed on…