Patents

Heritage Global Inc. owns patents covering the foundation of any VoIP system.

Our patent portfolio includes:

Patent No. 6,243,373: Method and Apparatus for Implementing a Computer Network/Internet Telephone System – 
This patent covers the systems and methods for routing and maintaining phone calls between two telephones using a public computer network, such as the Internet, as a portion of the communications link. Patents have been granted in Australia, Canada, China, Europe, Hong Kong and the United States.

Patent No. 6,438,124: Voice Internet Transmission System – 
This patent covers the method by which a phone call can be made via the Internet without using a computer at either end. Users of this system will not incur long distance charges nor will any special equipment be required. Patents have been granted in Canada, China, South Korea and the United States. A continuation patent application related to this patent is pending in the United States.

Patent No. 7,215,663: Private IP Communication Network Architecture – 
This patent relates generally to multimedia communications networks, and covers delivery of telecommunication type services across a network utilizing digital technology. This patent has been granted in the United States.

Patent No. 5,754,534: Delay Synchronization in Compressed Audio Systems – 
The methods discussed in this patent improve algorithms in web-based conferencing systems, eliminating objectionable popping and clicking sounds when switching between conferences in a conferencing system that uses signal compression techniques to reduce bandwidth requirements. This patent has been granted in the United States.

Patent No. 5,898,675: Volume Control Arrangement for Compressed Information Signals-
This patent covers a method for modifying amplitude, frequency or phase characteristics of an audio or video signal in a conferencing setting. Individuals on a conference call can adjust their own gain levels without signal degradation. This patent has been granted in the United States.

PATENT

NUMBER

STATUS

VoIP Voice
Architecture

Computer Network/
Internet Telephone System

Voice Internet Transmission System

Private IP Communication
Network Architecture

6,243,373 

6,438,124 

7,215,663 

Granted

Granted

Granted

Conferencing

Delay Synchronization in Compressed
Audio System

Volume Control
Arrangement For
Compressed Information
Signal Delays

5,754,534

5,898,675

Granted

Granted