Switching network for monitoring stations

Details Switching network for monitoring stations Switching network for monitoring stations

1986-06-24

1988-08-02

Lall, Parshotam S.

Boots, shoes, and leggings

364481, 379 29, 34082504, G06K 1500, H01H 6700

Patent

active

047617470

ABSTRACT:
An engineer, who is monitoring signals on oscilloscopes, can use one of a set of pushbuttons to select a specific channel for further monitoring on one or more other instruments. The switching network is controlled by a microprocessor and is designed to route any one of N (36) incoming analog signals to one of M (3) instrumentation inputs. The switching network is essentially M independent N-to-1 analog multiplexers comprising relays designed to function as a single system. The microprocessor insures that only one analog signal at a time can be selected for a single instrumentation channel, while permitting a signal to be simultaneously used on any or all of the remaining instrumentation channels. A second contact on each relay provides a signal to tell if the selected relay is energized.

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