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Class Information
Number: 370/299
Name: Multiplex communications > Low speed asynchronous data system (e.g., teletypewriter service) > Data switching exchange
Description: Subject matter including switching of input lines to selected output lines.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7376113 |
Mechanism for securely extending a private network |
May. 20, 2008 |
| 7292785 |
Optical transmission system constructing method and system |
Nov. 6, 2007 |
| 7099622 |
Controlling channel switching in a UMTS network |
Aug. 29, 2006 |
| 6952583 |
Method for processing synchronous message in asynchronous mobile communication system |
Oct. 4, 2005 |
| 6546427 |
Streaming multimedia network with automatically switchable content sources |
Apr. 8, 2003 |
| 6215412 |
All-node switch-an unclocked, unbuffered, asynchronous switching apparatus |
Apr. 10, 2001 |
| 6023732 |
Message transfer apparatus for controlling a message send in a packet switched interconnection network |
Feb. 8, 2000 |
| 5859856 |
Method and apparatus for routing interleaved incoming ATM cells with reduced channel switching |
Jan. 12, 1999 |
| 5832305 |
Multiple stage analog bi-directional selector utilizing coupled pairs of bi-polar junction transistors connected to pull-up resistors |
Nov. 3, 1998 |
| 5787300 |
Method and apparatus for interprocess communications in a database environment |
Jul. 28, 1998 |
| 4786763 |
Circuit arrangement for the transmission of data signals between subscriber terminals operating with different data transmission procedures |
Nov. 22, 1988 |
| 4716562 |
Telephone system |
Dec. 29, 1987 |
| 4477695 |
Microprocessor operated telecommunications interface for a terminal of an automatic teletypewriter switching service |
Oct. 16, 1984 |
| 4354261 |
Circuit arrangement and method for multi-address switching operations |
Oct. 12, 1982 |
| 4346259 |
Low speed terminal interface for all-digital PABX |
Aug. 24, 1982 |
| 4330886 |
Automatic telephone exchange system for both speech signals and data transfer |
May. 18, 1982 |
| 4304960 |
Teleprinter private branch exchange |
Dec. 8, 1981 |
| 4144407 |
Multiprocessor system for automatic switching of telegraphic lines |
Mar. 13, 1979 |
| 4069392 |
Dual speed full duplex data transmission |
Jan. 17, 1978 |
| 4006302 |
Switching arrangement for extending the receiver stop pulse length in time division multiplex transmission |
Feb. 1, 1977 |
| 3989892 |
Line concentrator for dealing with asynchronous and synchronous data signals in a common bit format for a time division data switching exchange |
Nov. 2, 1976 |
| 3963871 |
Analysis device for establishing the binary value of asynchronous data signals |
Jun. 15, 1976 |
| 3943488 |
Multiplex telemetering system |
Mar. 9, 1976 |
| 3940562 |
Transit exchange for time division multiplex asynchronous data |
Feb. 24, 1976 |
| 3934093 |
Transit exchange for asynchronous data with unknown structure |
Jan. 20, 1976 |
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