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Class Information
Number: 370/266
Name: Multiplex communications > Special services > Conferencing > Conferee signals combined or distributed via time channels > Using summation of conferee signals
Description: Subject matter including a technique for adding conferee signals.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| RE40135 |
Audio conferencing system |
Mar. 4, 2008 |
| 7200396 |
Managing group voice communication in telecommunications system |
Apr. 3, 2007 |
| 7185109 |
Recursive discovery of CDP type of nodes in a network of various node types |
Feb. 27, 2007 |
| 7058026 |
Internet teleconferencing |
Jun. 6, 2006 |
| 6948013 |
Apparatus and method for configuring data cells |
Sep. 20, 2005 |
| 6944137 |
Method and apparatus for a talkgroup call in a wireless communication system |
Sep. 13, 2005 |
| 6850496 |
Virtual conference room for voice conferencing |
Feb. 1, 2005 |
| 6847618 |
Method and system for distributed conference bridge processing |
Jan. 25, 2005 |
| 6748428 |
Device operation management method, a manager device, a program supply medium for supplying a device operation management program, an controller device, and an electronic device |
Jun. 8, 2004 |
| 6731610 |
Data communication system and apparatus |
May. 4, 2004 |
| 6662211 |
Method and system for providing conferencing services in a telecommunications system |
Dec. 9, 2003 |
| 6654455 |
IP conference telephone system compatible with IP-PBX systems |
Nov. 25, 2003 |
| 6546007 |
Time-slot interchanger that controls both time-slot access and signal-processing features |
Apr. 8, 2003 |
| 6418125 |
Unified mixing, speaker selection, and jitter buffer management for multi-speaker packet audio systems |
Jul. 9, 2002 |
| 6275474 |
Private digital communication apparatus for interconnecting a plurality of elements |
Aug. 14, 2001 |
| 6205124 |
Multipoint digital simultaneous voice and data system |
Mar. 20, 2001 |
| 6199136 |
Method and apparatus for a low data-rate network to be represented on and controllable by high data-rate home audio/video interoperability (HAVi) network |
Mar. 6, 2001 |
| 6115388 |
Establishment of multiple low-rate inbound signaling links in CDMA dispatch system |
Sep. 5, 2000 |
| 6091714 |
Programmable distributed digital switch system |
Jul. 18, 2000 |
| 6069878 |
TDM digital matrix intercom system |
May. 30, 2000 |
| 6005848 |
Method and apparatus for a talkgroup call in a wireless CDMA system |
Dec. 21, 1999 |
| 5898676 |
Method, communication system and conference unit for carrying out conferences |
Apr. 27, 1999 |
| 5889843 |
Methods and systems for creating a spatial auditory environment in an audio conference system |
Mar. 30, 1999 |
| 5801756 |
Multipoint video conference system |
Sep. 1, 1998 |
| 5774567 |
Audio codec with digital level adjustment and flexible channel assignment |
Jun. 30, 1998 |
| 5734724 |
Audio communication control unit |
Mar. 31, 1998 |
| 5463617 |
Method for providing caller interrupt in a time division multiplexed wireless communication system |
Oct. 31, 1995 |
| 5384772 |
Method and apparatus for audio flow control during teleconferencing |
Jan. 24, 1995 |
| 4829513 |
Time slot summation communication system for allowing conference calls |
May. 9, 1989 |
| 4716585 |
Gain switched audio conferencing network |
Dec. 29, 1987 |
| 4570258 |
Exchange switch |
Feb. 11, 1986 |
| 4507781 |
Time domain multiple access broadcasting, multipoint, and conferencing communication apparatus and method |
Mar. 26, 1985 |
| 4486879 |
Method and apparatus for mixing low-frequency signals transmitted via different time slots towards the same telephone receiver set |
Dec. 4, 1984 |
| 4360910 |
Digital voice conferencing apparatus in time division multiplex systems |
Nov. 23, 1982 |
| 4325139 |
Circuit for combining delta modulated signals |
Apr. 13, 1982 |
| 4230908 |
Telephone summing circuit |
Oct. 28, 1980 |
| 4160878 |
Conference circuit with digital-analog and analog-digital conversion |
Jul. 10, 1979 |
| 4049920 |
Analog signal summing conference circuit |
Sep. 20, 1977 |
| 4024349 |
Quasi-resonant transfer conferencing circuit |
May. 17, 1977 |
| 3970797 |
Digital conference bridge |
Jul. 20, 1976 |
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