Telchemy has a number of granted patents and pending patent applications related to our technology. We do enforce these patents and license them either as patents or in conjunction with the licensing of our software. If your company would like to license any of Telchemy's patents, please contact us.
| Patent # | Priority Date | Title | Description |
|---|---|---|---|
| US 6,741,569 EP1277331 | 4/18/1999 | Quality of service monitor for multimedia communications system | A subjective quality monitoring system for packet-based multimedia signal transmission systems. |
| US 7,075,981 EP1287708 | 5/19/1999 | Dynamic quality of service monitor | A subjective quality monitoring system for multimedia signal transmission systems or distributed applications software systems. |
| US 7,058,048 | 5/19/1999 | Per-call quality of service monitor for multimedia communications system | A subjective quality monitoring system for packet-based multimedia signal transmission systems. |
| US 7,808,915 CA 2522892 EP1614018 KR 10-0860157 | 4/14/2003 | System for identifying and locating network problems | A network monitoring system for packet-based multimedia signal transmission systems. |
| US 7,710,879 EP1825621 CN 10103567B JP 4704443 CA 2590158 | 12/19/2004 | System and method for improving the quality of real time multimedia sessions | A system and method for improving the quality of real-time multimedia sessions. |
| US 7,684,324 WO2006069219 | 12/20/2004 | System and method for prioritizing individual streams within a multimedia flow | A system and method for prioritizing delay-sensitive packets relative to each other for transmission from a router in a network. |
| US 7,869,377 | 5/10/1999 | Method for estimating a subjective quality of a signal | A method for estimating the subjective quality of a packet voice, audio or video stream where the QoE estimation is performed within a mobile handset or set-top box and quality is measured during intervals. |
| US 7,848,243 | 1/23/2006 | Method and system for estimating modem and fax performance over packet networks | A system and method for providing service quality metrics related to the quality of service provided by a Voice over Internet Protocol ("VoIP") network to voiceband modems or fax machines communicating over the VoIP network. |
| US 8,094,713 EP2206303 | 7/16/2006 | Method and system for viewer quality estimation of packet video streams | A method for estimating the QoE of a packet video stream that may be encrypted. |
| US 8,514,928 | 7/16/2007 | Method and system for viewer quality estimation of packet video streams | A method for estimating the QoE of a packet video stream that may be encrypted. |
| EP 2213000 | 7/16/2008 | Method and system for content estimation of packet video streams | A method for determining the content type of an encoded (potentially encrypted) video stream and estimating levels of high or low motion and detail within the video content |