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Class Information
Number: 379/271
Name: Telephonic communications > Centralized switching system > Switching controlled in response to called station addressing signal > Having shared or common switching control > Having multistage switching
Description: Subject matter wherein the switching is performed by plural interconnected and interactive switching stage.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6985577 |
Device for optimizing the circuit switching capacity of a switching center |
Jan. 10, 2006 |
| 6982975 |
Packet switch realizing transmission with no packet delay |
Jan. 3, 2006 |
| 6940851 |
Scheduling the dispatch of cells in non-empty virtual output queues of multistage switches using a pipelined arbitration scheme |
Sep. 6, 2005 |
| 6885663 |
Time/space switching component with multiple functionality |
Apr. 26, 2005 |
| 6714537 |
Switch fabric architecture and techniques for implementing rapid hitless switchover |
Mar. 30, 2004 |
| 6643368 |
Distributed control exchange |
Nov. 4, 2003 |
| 6614904 |
Apparatus and method for effecting a communication arrangement between switch arrays |
Sep. 2, 2003 |
| 6567516 |
Method and device for controlling affiliation of remote line-collection device with switch |
May. 20, 2003 |
| 6430179 |
Three stage router for broadcast application |
Aug. 6, 2002 |
| 6265842 |
Cross-connect method and apparatus |
Jul. 24, 2001 |
| 6101167 |
Path switching system |
Aug. 8, 2000 |
| 6031349 |
Cross-connect method and apparatus |
Feb. 29, 2000 |
| 5945922 |
Widesense nonblocking switching networks |
Aug. 31, 1999 |
| 5801641 |
Controller for a non-blocking broadcast network |
Sep. 1, 1998 |
| 5686905 |
Input/output switching apparatus having virtual control |
Nov. 11, 1997 |
| 5521591 |
Switching networks with expansive and/or dispersive logical clusters for message routing |
May. 28, 1996 |
| 5459718 |
Cross connection by using a switch request flag in a digital signal fails before supply to cross connected switch units |
Oct. 17, 1995 |
| 5451936 |
Non-blocking broadcast network |
Sep. 19, 1995 |
| 5404398 |
Telephone exchange system |
Apr. 4, 1995 |
| 5367518 |
Self-routing switching element and fast packet switch |
Nov. 22, 1994 |
| 5325090 |
Three-stage, at least doubled atm switching network |
Jun. 28, 1994 |
| 5313590 |
System having fixedly priorized and grouped by positions I/O lines for interconnecting router elements in plurality of stages within parrallel computer |
May. 17, 1994 |
| 5307465 |
System for updating network topology based on configuration obtained from subset configuration composition matrix and switching node connection matrix for the subset configuration |
Apr. 26, 1994 |
| 5245603 |
High-speed determining unit for prioritizing and arbitrating among competing input signals |
Sep. 14, 1993 |
| 5103220 |
Method of expanding a three-stage regular switching array |
Apr. 7, 1992 |
| 4983961 |
Three stage non-blocking switching array |
Jan. 8, 1991 |
| 4944029 |
Rearrangeable multiconnection switching networks constructed using combinatorial designs |
Jul. 24, 1990 |
| 4922245 |
Rearrangeable multiconnection switching networks constructed using combinatorial designs |
May. 1, 1990 |
| 4914430 |
Rearrangeable multiconnection switching networks constructed using combinatorial designs |
Apr. 3, 1990 |
| 4821034 |
Digital exchange switch element and network |
Apr. 11, 1989 |
| 4776006 |
Multiplexed data channel controlled telephone system |
Oct. 4, 1988 |
| 4754478 |
Method of adding additional subscribers and signals to existing connection |
Jun. 28, 1988 |
| 4573047 |
Binary selector stage and a selector and selector system comprising such selector stages |
Feb. 25, 1986 |
| 4400627 |
Telephone switching network |
Aug. 23, 1983 |
| 4349702 |
Nodal switching network with binary order links |
Sep. 14, 1982 |
| 4320259 |
Electronic selector for telecommunications switching |
Mar. 16, 1982 |
| 4197428 |
Segmented matrix type switching device with simplified control |
Apr. 8, 1980 |
| 4188509 |
Tone signalling arrangement for a telecommunications exchange |
Feb. 12, 1980 |
| 4113988 |
Speech path packaging unit including controller containing shift register |
Sep. 12, 1978 |
| 4009351 |
Switching arrangement for telecommunication switching systems |
Feb. 22, 1977 |
| 3993978 |
Solid state crosspoint circuit arrangement for use in a telephone exchange |
Nov. 23, 1976 |
| 3962552 |
Switching network and peripheral circuits for telecommunications system |
Jun. 8, 1976 |
| 3943299 |
Link network |
Mar. 9, 1976 |
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