Multi-Tech Patents

Privately held, Multi-Tech Systems has 70 U.S. patents and numerous international patents. The company's intellectual property portfolio includes patents covering transmission of multiplexed voice, data and video packets used in technologies such as Internet telephony, PC telephony, voice over IP or frame relay, and DSVD modems.

Utility Patents

Number	Title	Date

7,227,933	System and method for remote management of a DSL device	06/05/2007

7,106,839	System for providing analog and digital telephone functions using a single telephone line	09/12/2006

7,092,406	Computer implemented communication apparatus and method	08/15/2006

7,082,141	Computer implemented voice over data communication apparatus and method	07/25/2006

7,082,106	Computer-based multi-media communications system and method	07/25/2006

6,928,108	Modem with firmware upgrade feature	08/09/2005

6,700,955	System and method for remote management of a DSL device	03/02/2004

6,570,891	Advanced priority statistical multiplexer	05/27/2003

6,563,821	Channel bonding in a remote communications server system	05/13/2003

6,526,092	Modem with firmware upgrade feature	02/25/2003

6,515,984	Data/voice/fax compression multiplexer	02/04/2003

6,442,248	System for providing analog and digital telephone functions using a single telephone line	08/27/2002

6,359,894	Remote communications server system	03/19/2002

6,341,143	Modem with firmware upgrade feature	01/22/2002

6,275,502	Advanced priority statistical multiplexer	08/14/2001

6,219,708	System for network resource management	04/17/2001

6,151,333	Data/voice/fax compression multiplexer	11/21/2000

6,091,737	Remote communications server system	07/18/2000

6,031,867	Modem with firmware upgrade feature	02/29/2000

6,012,113	Method for connecting a plurality of communication applications with an actual communication port by emulating a plurality of virtual modems	01/04/2000

6,009,082	Computer-based multifunction personal communication system with caller ID	12/28/1999

5,905,794	Caller identification interface using line reversal detection	05/18/1999

5,864,560	Method and apparatus for mode switching in a voice over data computer-based personal communications system	01/26/1999

5,815,567	Communications interface providing isolation and ringdown features	09/29/1998

5,815,503	Digital simultaneous voice and data mode switching control	09/29/1998

5,812,534	Voice over data conferencing for a computer-based personal communications system	09/22/1998

5,809,068	PCMCIA modem	09/15/1998

5,790,532	Voice over video communication system	08/04/1998

5,764,627	Method and apparatus for a hands-free speaker phone	06/09/1998

5,757,801	Advanced priority statistical multiplexer	05/26/1998

5,754,589	Noncompressed voice and data communication over modem for a computer-based multifunction personal communications system	05/19/1998

5,724,356	Advanced bridge/router local area network modem node	03/03/1998

5,682,386	Data/voice/fax compression multiplexer	10/28/1997

5,680,553	High-speed transfer of data between a PC compatible microcomputer and a bus device	10/21/1997

5,673,268	Modem resistant to cellular dropouts	09/30/1997

5,673,257	Computer-based multifunction personal communication system	09/30/1997

5,644,594	Power-conserving modem	07/01/1997

5,628,030	Virtual modem driver apparatus and method	05/06/1997

5,619,508	Dual port interface for a computer-based multifunction personal communication system	04/08/1997

5,617,423	Voice over data modem with selectable voice compression	04/01/1997

5,600,649	Digital simultaneous voice and data modem	02/04/1997

5,592,586	Voice compression system and method	01/07/1997

5,577,041	Method of controlling a personal communication system	11/19/1996

5,574,725	Communication method between a personal computer and communication module	11/12/1996

5,559,793	Echo cancellation system and method	09/24/1996

5,546,448	Apparatus and method for a caller ID modem interface	08/13/1996

5,546,395	Dynamic selection of compression rate for a voice compression algorithm in a voice over data modem	08/13/1996

5,535,204	Ringdown and ringback signalling for a computer-based multifunction personal communications system	07/09/1996

5,500,859	Voice and data transmission system	03/19/1996

5,471,470	Computer-based multifunction personal communications system	11/28/1995

5,453,986	Dual port interface for a computer-based multifunction personal communication system	09/26/1995

5,452,289	Computer-based multifunction personal communications system	09/19/1995

5,450,425	Protocol for communication of a data packet	09/12/1995

5,379,327	Synchronous-to-asynchronous converter	01/03/1995

5,355,365	Intelligent local area network modem node	10/11/1994

5,309,562	Method and apparatus for establishing protocol spoofing from a modem	05/03/1994

5,301,274	Method and apparatus for automatic balancing of modem resources	04/05/1994

5,268,934	Asynchronous-to-synchronous converter	12/07/1993

Design Patents

Number	Title	Date

D353,598	Desk top modem chassis	12/20/1994

D353,144	Case for a portable modem	12/06/1994

D341,570	Desk top computer housing	11/23/1993

D364,377	Peripheral connector	11/21/1995

D374,222	Case for data/voice/fax concentrator	10/01/1996

D361,764	Combined telephone and modem case for a computer-based multifunction communications system	08/29/1995

D394,864	Peripheral connector	06/02/1998

D394,250	Icon for a display screen	05/12/1998

D355,653	Combined telephone and modem case for a computer-based multifunction communications system	02/21/1995

D355,658	Modem apparatus	02/21/1995

Statutory Invention Registrations

Number	Title	Date

H2,065	Proxy server	05/06/2003

H1,413	Escape methods for modem communications	02/07/1995

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Copyright © 1995-2012 by Multi-Tech Systems, Inc. All rights reserved. This document was last modified on: 23 October 2008 12:00:00 AM Mounds View, MN - U.S.A.