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Assignee: Telco Systems, Inc.


Location: Norwood, MA
No. of patents: 7

NumberTitleIssue Date
6298068Methods and apparatus for ISDN communications with dual mode access to interface apparatus on-board memory
Improved ISDN interface apparatus and methods permit dual mode access to an on-board memory. A first memory controller is provided that responds to addresses in a first address range to read, write or otherwise access data in an "on-board" memory a first ...
10/02/2001
5715260Method and apparatus for providing a variable reset interval in a transmission system for encoded data
A method and apparatus for reducing the amount of corrupted data in a system for transmitting encoded data across a network, which system requires sychronization between encoding and decoding nodes, the method and apparatus involving (a) providing an indi...
02/03/1998
5684962Context control block for computer communications
A single queue or descriptor ring references several context control blocks, each of which corresponds to a different data path in a communications system. An entry in the descriptor ring references an appropriate context control block and a source packet...
11/04/1997
5570345Protection switching system with single line control
The invention performs very fast switching between a main module and a standby module in the event of module failure. A single control line has different logic level signals applied thereto in the event of a main module failure and a standby module failur...
10/29/1996
5526363Multicontext compression system with shared data structures
A system for transmitting compressed data for multiple channels or contexts from a single node which system reduces memory utilization without significant adverse effect on compression ratio by providing a separate history buffer for each channel, with a ...
06/11/1996
5526362Control of receiver station timing for time-stamped data
The invention provides a method and apparatus for controlling the timing at a receiving station for the receipt of asynchronous data transmitted with a time-stamp. The received data is passed through a buffer to the remainder of the station. A decoder at ...
06/11/1996
5325270Modular backplane
A flexible backplane assembly is provided wherein removable backplane modules are mounted in a platform in a manner such that the backplane modules may be removed and replaced to accommodate different types of circuit modules. Coacting guides are provided...
06/28/1994
 
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