The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 16, 1993
Filed:
Apr. 12, 1990
Thomas J Baumgartner, St. Charles, IL (US);
Yeou H Hwang, Naperville, IL (US);
Edith H Jones, Lisle, IL (US);
Wu-Hon F Leung, Downers Grove, IL (US);
Lara F Morgan, Warrenville, IL (US);
Shi-Chuan Tu, Lisle, IL (US);
AT&T Bell Laboratories, Murray Hill, NJ (US);
Abstract
A method for use in a multimedia conferencing arrangement to control multiple concurrent calls where each call comprises one or more channels. A first call among a first set of user stations and a second call among a second set of user stations are merged into a single call comprising a plurality of channels among at least three user stations from the first and second sets. The plurality of channels of the single, merged call corresponds to a combination of channels of the first and second calls and may include a signalling channel, a voice channel, and one data channel for each data channel of the first and second calls. The method is also applicable to calls including image or video channels.