Time switching device having identical frame delay and a method

Details Time switching device having identical frame delay and a method Time switching device having identical frame delay and a method

1995-05-31

1997-01-07

Olms, Douglas W.

Multiplex communications

Pathfinding or routing

Through a circuit switch

370517, H04Q 1108

Patent

active

055924794

ABSTRACT:
A time switching device and method having identical frame delay in a full-electronic exchange allows respective channels to have identical frame delay after switching multichannel in the full-electronic exchange by using only one time memory within the time switching device for providing data service of channel capacity larger than 64[Kbps], in which a time memory having a capacity four times larger than time switch capacity is divided into four areas to maintain a difference between the memory write and read operations by at least one frame period (125 .mu.s), thereby simplifying the structure of the time switching device and occupying a small area of a printed circuit board to accomplish small-sized system while decreasing the number of components required for constructing the system, thereby reducing system construction cost.

REFERENCES:
patent: 3967070 (1976-06-01), Srivastava et al.
patent: 4941141 (1990-07-01), Hayano
patent: 4995034 (1991-02-01), Lubcke et al.

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