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Class Information
Number: 379/292
Name: Telephonic communications > Centralized switching system > Switching controlled in response to called station addressing signal > Having shared or common switching control > With detail of crosspoint switching structure (e.g., crossbar) > Electronic crosspoint (e.g., solid-state)
Description: Subject matter wherein the switching element includes an electron discharge device or a semiconductor component.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6958598 |
Efficient switching architecture with reduced stub lengths |
Oct. 25, 2005 |
| 6754329 |
System and method for switching telecommunications service in a multiple dwelling unit/multiple tenant unit environment |
Jun. 22, 2004 |
| 6707907 |
Digital-cross-connect system single element restoration technique |
Mar. 16, 2004 |
| 6597784 |
Compact distributing frame with automated interconnection capability |
Jul. 22, 2003 |
| 6034956 |
Method of simultaneously attempting parallel path connections in a multi-stage interconnection network |
Mar. 7, 2000 |
| 5774067 |
Flash-flooding multi-stage interconnection network with parallel path seeking switching elements |
Jun. 30, 1998 |
| RE35483 |
Switching matrix crosspoint |
Mar. 25, 1997 |
| 5588121 |
Parallel computer having MAC-relay layer snooped transport header to determine if a message should be routed directly to transport layer depending on its destination |
Dec. 24, 1996 |
| 5457740 |
Cross point mixer for a telephone set |
Oct. 10, 1995 |
| 5425094 |
Cross point switch with power failure mode |
Jun. 13, 1995 |
| 5371786 |
Electronic cross-connect system |
Dec. 6, 1994 |
| 5210529 |
Bit finder circuit |
May. 11, 1993 |
| 5150083 |
Digitally controlled monolithic switch matrix using selectable dual gate FET power dividers and combiners |
Sep. 22, 1992 |
| 5126734 |
Switching matrix crosspoint |
Jun. 30, 1992 |
| 5047766 |
Broad band signal switching matrix |
Sep. 10, 1991 |
| 5043724 |
Broadband signal switching equipment |
Aug. 27, 1991 |
| 4973956 |
Crossbar switch with distributed memory |
Nov. 27, 1990 |
| 4839643 |
Broadband signal switching equipment |
Jun. 13, 1989 |
| 4803720 |
Dual plane cross point switch architecture for a micro-PBX |
Feb. 7, 1989 |
| 4792801 |
Broadband signal space coupling device |
Dec. 20, 1988 |
| 4785299 |
Broadband signal space switching apparatus |
Nov. 15, 1988 |
| 4745409 |
Broadband signal space switching device |
May. 17, 1988 |
| 4731594 |
Planar active component microwave switch matrix and air bridge for use therewith |
Mar. 15, 1988 |
| 4682127 |
Ultra-high frequency signal switching matrix having active component switching junctions |
Jul. 21, 1987 |
| 4670901 |
Single or multi-stage switching field for telephone exchanges |
Jun. 2, 1987 |
| 4638123 |
Circuit arrangement for a small PABX with a switching matrix that has electronic crosspoints |
Jan. 20, 1987 |
| 4605928 |
Fault-tolerant array of cross-point switching matrices |
Aug. 12, 1986 |
| 4600813 |
Line concentrator |
Jul. 15, 1986 |
| 4570154 |
Data entry keyboard apparatus |
Feb. 11, 1986 |
| 4437096 |
Concentrator circuit incorporating solid state bilateral bridge arrangement |
Mar. 13, 1984 |
| 4264895 |
Multi-stage switching network controlled by at least three logical inputs |
Apr. 28, 1981 |
| 4197428 |
Segmented matrix type switching device with simplified control |
Apr. 8, 1980 |
| 4190743 |
Thyristor switching matrix |
Feb. 26, 1980 |
| 4188509 |
Tone signalling arrangement for a telecommunications exchange |
Feb. 12, 1980 |
| 4184054 |
Key telephone system |
Jan. 15, 1980 |
| 4156153 |
Electronic switch |
May. 22, 1979 |
| 4150258 |
Electronic switching system |
Apr. 17, 1979 |
| 4132865 |
Electronic switch |
Jan. 2, 1979 |
| 4132868 |
PABX System providing multiple paths held between calling line circuits and a plurality of output circuits |
Jan. 2, 1979 |
| 4128742 |
Rugged crosspoints for communication systems |
Dec. 5, 1978 |
| 4128741 |
Electronic crosspoint array |
Dec. 5, 1978 |
| 4113989 |
Electronic telephone system featuring switching networks having thyristors for single-wire switching |
Sep. 12, 1978 |
| 4110566 |
Switching network control arrangement |
Aug. 29, 1978 |
| 4107472 |
Semiconductor channel switch |
Aug. 15, 1978 |
| 4105871 |
Electronic telephone system featuring a customer memory within a central control unit connected by bus lines |
Aug. 8, 1978 |
| 4105873 |
Electronic telephone switching system comprising a speech path switching matrix and tone-connecting switching matrix and employing electronic crosspoint switches |
Aug. 8, 1978 |
| 4096399 |
Crosspoint bias circuit arrangement |
Jun. 20, 1978 |
| 4093828 |
Switching networks, e.g. space-division concentrators |
Jun. 6, 1978 |
| 4088840 |
Electronic cross-point matrix telephone private switching equipment |
May. 9, 1978 |
| 4087645 |
Telephone switching system |
May. 2, 1978 |
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