Message merging device

Details Message merging device Message merging device

1986-11-25

1990-05-01

Weldon, Ulysses

Communications: electrical

Continuously variable indicating

With meter reading

307465, 328103, 34082579, H04Q 100, H04Q 304

Patent

active

049222465

ABSTRACT:
A technique for controlling the routing of valid messages, such as digital data in bit-serial form, for example, wherein such messages are supplied to a selected number of input terminals and circuitry is provided to make such valid messages available at selected ones of a plurality of output terminals which preferably are concentrated as adjacent ones of the output terminals. An overall concentrator system can use successive stages of devices having n+m input and n+m output terminals each device employing a plurality of gates which include one or more pulldown circuits, each pulldown circuit having no more than a fixed number of transistors in series, which number is independent of n and m. Such devices can be implemented by nMOS or domino CMOS integrated circuits so that the transistors are formed in a regular pattern of relatively high density at reasonable cost.

REFERENCES:
patent: 3636231 (1972-01-01), Schrecongost et al.
patent: 3637915 (1972-01-01), Hirano
patent: 4112260 (1978-09-01), Kurokawa et al.
patent: 4570154 (1986-02-01), Kinghorn et al.

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