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US 5,311,171 AGranted
Quad channel unit registers for channel pairs
AssigneeAT&T Bell Laboratories
InventorMark E. Hauschild
Life of this patent
Estimating the term…
Abstract
Disclosed is a circuit for storing and processing information in channel units servicing four channels in a digital loop carrier transmission system. Separate registers are provided for processing information related to different pairs of channels. However, one of the registers duplicates the information included in other register so that only a single register need to be addressed for a particular function.
Claims10
A channel unit for a digital loop carrier transmission system comprising:
- a first register adapted to store bits of information related to a first pair of communications channels and having a certain address;
- a second register adapted to store information related to a second pair of communications channels and selected bits of information which are also stored in the first register and having a different address;
- and
- means for addressing both registers so that said selected bits of information related to the first pair of channels are accessed at the address of both registers.
1 more element
Dependencies are inferred from the claim text.