1
Aggelos Katsaggelos
Guido M Schuster, Aggelos Katsaggelos, Mark R Banham, James C Brailean: Method and device for optimal bit allocation between different sources of information in digital video compression. Motorola, Northwestern University, Darleen J Stockley, July 7, 1998: US05778192 (61 worldwide citation)

The present invention provides a method (200, 400) and device (500) for, within a variable or fixed block size video compression scheme, providing optimal bit allocation among at least three critical types of data: segmentation, motion vectors and prediction error, or DFD. Since the amount of inform ...


2
Aggelos Katsaggelos
Mark R Banham, James C Brailean, Stephen N Levine, Aggelos K Katsaggelos, Guido M Schuster: Method, device and microprocessor for selectively compressing video frames of a motion compensated prediction-based video codec. Motorola, Northwestern University, Darleen J Stockley, June 9, 1998: US05764921 (19 worldwide citation)

A method (100, 200), device (300) and microprocessor (400) are provided for selectively compressing video frames of a motion compensated prediction-based video codec based on a predetermined set of compression techniques. An energy estimate of the current displaced frame difference, DFD, is used to ...


3
Guido M Schuster, Jacek A Grabiec, Ikhlaq S Sidhu, Jerry J Mahler: System and method for providing user-configured telephone service in a data network telephony system. 3Com Corporation, McDonnell Boehnen Hulbert & Berghoff, November 18, 2003: US06650901 (283 worldwide citation)

A system and method for providing location information and other information about a calling telephone to the caller during a telephone connection in a data network telephony system. Data network telephones may be provisioned and otherwise configured for operation with an extensive database and othe ...


4
Michael S Borella, Guido M Schuster, Jerry J Mahler, Ikhlaq Sidhu: Protocol and method for peer network device discovery. 3Com Corporation, McDonnell Boehnen Hulbert & Berghoff Stephen Lesavich, July 31, 2001: US06269099 (223 worldwide citation)

A protocol and methods for peer network device discovery is presented. The peer discovery protocol includes a peer discovery marker than can be used with an existing networking protocol such as Transmission Control Protocol (“TCP”) to discover peer network devices. The peer discovery protocol also i ...


5
Guido M Schuster, Ikhlaq S Sidhu, Jerry J Mahler, Frederick D Dean, Jacek A Grabiec, Ismail Dalgic: System and method for providing user mobility services on a telephony network. 3Com Corporation, McDonnell Boehnen Hulbert & Berghoff, September 3, 2002: US06446127 (210 worldwide citation)

A system and method for providing user mobility services on a data network telephony system. User attributes may be transmitted from a portable information device, such as a personal digital assistant, to a voice communication device, such as an Ethernet-based telephone. The voice communication devi ...


6
David A Grabelsky, Ikhlaq S Sidhu, Guido M Schuster, Jacek A Grabiec: Method and system for monitoring and management of the performance of real-time networks. 3Com Corporation, McDonnell Boehnen Hulbert & Berghoff, January 13, 2004: US06678250 (198 worldwide citation)

Gateway routers for real-time networks have the ability to collect delay, loss, and jitter statistics on a per-connection basis. It is possible to use this information not only to monitor the quality of individual voice calls and other real-time connections, but also to evaluate the overall performa ...


7
Guido M Schuster, Michael S Borella, Jacek A Grabiec, Ikhlaq S Sidhu: Method and apparatus for measurement-based conformance testing of service level agreements in networks. 3Com Corporation, McDonnell Boehnen Hulbert & Berghoff, March 26, 2002: US06363053 (176 worldwide citation)

A method and apparatus for measurement-based conformance testing of service level agreements in networks. The method includes first collecting quality of service information from network traffic over a plurality of network nodes. Then, the collected quality of service information is compared to a pl ...


8
Michael S Borella, Guido M Schuster, Ikhlaq S Sidhu, Jacek A Grabiec: Methods for determining sendable information content based on a determined network latency. 3Com Corporation, Stephen Lesavich, McDonnell Boehnen Hulbert & Berghoff, January 30, 2001: US06182125 (172 worldwide citation)

A method for improving perception of electronic content from a computer network such as the Internet or an intranet. Network latencies and the type of electronic content such as text, graphical images, animation, voice, video and other electronic content interact to influence user perception of the ...


9
Guido M Schuster, Ikhlaq S Sidhu, Jerry J Mahler, Frederick D Dean, Jacek A Grabiec: System and method for advertising using data network telephone connections. 3Com Corporation, McDonnell Boehnen Hulbert & Berghoff, August 30, 2005: US06937699 (161 worldwide citation)

A system and method for providing advertising and advertising services using a telephone system. A data network telephony system includes a commercial message server that communicates with a telephony connection server to communicate commercial messages to display devices on data network telephones. ...


10
Guido M Schuster, Michael S Borella, David A Grabelsky, Ikhlaq S Sidhu: Distributed network address translation for a network telephony system. 3Com Corporation, McDonnell Boehnen Hulbert & Berghoff, November 23, 2004: US06822957 (130 worldwide citation)

System and method for distributed network address translation in a network telephony system. A first network phone with a first protocol, requests at least one locally unique port from a first network device. The first network phone and the first network device are located on a first network. The fi ...