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Class Information
Number: 370/267
Name: Multiplex communications > Special services > Conferencing > Conferee signals combined or distributed via time channels > Using summation of conferee signals > Digital summation
Description: Subject matter including a technique for adding discrete type conferee signals.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7385940 |
System and method for using a plurality of processors to support a media conference |
Jun. 10, 2008 |
| 7342875 |
Space-time coded OFDM system for MMDS applications |
Mar. 11, 2008 |
| 7184791 |
Methods, receivers, and computer program products for determining transmission power control commands using biased interpretation |
Feb. 27, 2007 |
| 7085364 |
Advanced conference drop |
Aug. 1, 2006 |
| 7046780 |
Efficient buffer allocation for current and predicted active speakers in voice conferencing systems |
May. 16, 2006 |
| 7020110 |
Resource allocation for MIMO-OFDM communication systems |
Mar. 28, 2006 |
| 6728358 |
Efficient buffer allocation for current and predicted active speakers in voice conferencing systems |
Apr. 27, 2004 |
| 6662211 |
Method and system for providing conferencing services in a telecommunications system |
Dec. 9, 2003 |
| 6262979 |
Telecommunication conferencing system and method |
Jul. 17, 2001 |
| 6230130 |
Scalable mixing for speech streaming |
May. 8, 2001 |
| 6128334 |
Receiver addressable AM compatible digital broadcast system |
Oct. 3, 2000 |
| 5884167 |
Method for completing a conference with a personal communications units |
Mar. 16, 1999 |
| 5802294 |
Teleconferencing system in which location video mosaic generator sends combined local participants images to second location video mosaic generator for displaying combined images |
Sep. 1, 1998 |
| 5784447 |
Method and circuit arrangement for allowing telephone conversations among several users |
Jul. 21, 1998 |
| 5774567 |
Audio codec with digital level adjustment and flexible channel assignment |
Jun. 30, 1998 |
| 5754631 |
Voice response unit having robot conference capability on ports |
May. 19, 1998 |
| 5703794 |
Method and system for mixing audio streams in a computing system |
Dec. 30, 1997 |
| 5592473 |
Private branch exchange system and methods for operating same |
Jan. 7, 1997 |
| 5539741 |
Audio conferenceing system |
Jul. 23, 1996 |
| 5434856 |
Method for monitoring communication talkgroups |
Jul. 18, 1995 |
| 5383184 |
Multi-speaker conferencing over narrowband channels |
Jan. 17, 1995 |
| 5357511 |
Distributed processing in a digital audio mixing network |
Oct. 18, 1994 |
| 5317567 |
Multi-speaker conferencing over narrowband channels |
May. 31, 1994 |
| 5313459 |
Private branch exchange system and methods for operating same |
May. 17, 1994 |
| 5276678 |
Distributed switching and telephone conferencing system |
Jan. 4, 1994 |
| 5260941 |
Digital radio telephone system |
Nov. 9, 1993 |
| 5233605 |
Method for assuring fidelity of a summing process |
Aug. 3, 1993 |
| 5229989 |
Method and apparatus for processing digital signals |
Jul. 20, 1993 |
| 5199029 |
Circuit arrangement for establishing conference connections |
Mar. 30, 1993 |
| 5127001 |
Conference call arrangement for distributed network |
Jun. 30, 1992 |
| 5029162 |
Automatic gain control using root-mean-square circuitry in a digital domain conference bridge for a telephone network |
Jul. 2, 1991 |
| 4901308 |
Digital bridge for a time slot interchange digital switched matrix |
Feb. 13, 1990 |
| 4831618 |
Additive PCM speaker circuit for a time shared ISDN conference arrangement |
May. 16, 1989 |
| 4757494 |
Method for generating additive combinations of PCM voice samples |
Jul. 12, 1988 |
| 4719618 |
Digital conference circuit |
Jan. 12, 1988 |
| 4658398 |
Framed digital voice summing for teleconferencing |
Apr. 14, 1987 |
| 4656625 |
Switching system having capability for telecommunication conferences |
Apr. 7, 1987 |
| 4648089 |
Digital voice summing for teleconferencing |
Mar. 3, 1987 |
| 4646288 |
Multi-line accumulator/multiplexer |
Feb. 24, 1987 |
| 4607362 |
Method of and circuit arrangement for establishing conference connections in a switching system |
Aug. 19, 1986 |
| 4606021 |
Digital conference circuit |
Aug. 12, 1986 |
| 4603417 |
PCM coder and decoder |
Jul. 29, 1986 |
| 4588986 |
Method and apparatus for operating on companded PCM voice data |
May. 13, 1986 |
| 4547878 |
Non-linear adder |
Oct. 15, 1985 |
| 4545050 |
Method of and arrangement for establishing a conference connection in a TDM communication system |
Oct. 1, 1985 |
| 4521879 |
Digital private branch exchange |
Jun. 4, 1985 |
| 4499578 |
Method and apparatus for controlling signal level in a digital conference arrangement |
Feb. 12, 1985 |
| 4499577 |
Linear time division multiplexed conferencer for data transfer applications |
Feb. 12, 1985 |
| RE31814 |
Three-party conference circuit for digital time-division-multiplex communication systems |
Jan. 22, 1985 |
| 4488291 |
Circuit arrangement for setting up a conference call |
Dec. 11, 1984 |
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