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Attorney: Watland; R. T., Johannesen; M. B.


Number of patents: 5
Last date: March 16, 1993

NumberTitleIssue Date
5195087Telephone system with monitor on hold feature
An arrangement providing a monitor-on-hold feature for telephone station apparatus. The exemplary apparatus includes a handset transmitter and receiver, a speaker, and four user control buttons. A user is given the capability to move a connection for a fi...
03/16/1993
5195086Multiple call control method in a multimedia conferencing system
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...
03/16/1993
5179626Harmonic speech coding arrangement where a set of parameters for a continuous magnitude spectrum is determined by a speech analyzer and the parameters are used by a synthesizer to determine a spectrum which is used to determine senusoids for synthesis
A harmonic coding arrangement where the magnitude spectrum of the input speech is modeled at the analyzer by a relatively small set of parameters and, significantly, as a continuous rather than only a line magnitude spectrum. The synthesizer, rather than ...
01/12/1993
5138614Transformation method for network conference connections
A transformation method for network conference connections where the network operations are determined based on stored information defining the original connection and stored information defining the target connection thus affording the opportunity to adv...
08/11/1992
5103444Conference connection method in a multicast packet switching network
A conference connection method for use in a multicast packet switching network. Once the packet switches and inter-switch links to comprise a multicast connection among three or more endpoints are determined, a check is performed to determine whether that...
04/07/1992
 
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