Cross-point switch matrix and multiswitching network using the s

Details Cross-point switch matrix and multiswitching network using the s Cross-point switch matrix and multiswitching network using the s

1975-12-15

1977-05-17

Robinson, Thomas A.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340166R, H04Q 300

Patent

active

040243524

ABSTRACT:
A plurality of cross-point matrices each having a plurality of holding circuits respectively associated with a corresponding cross point are arranged in multiple stages, which are linked with each other to form a multi-stage switching network. Each switch matrix is provided with an associated NAND gate connected to gates capable of being selectively impressed with the signals representing the state of the holding circuits within the particular switch matrix. The output of the NAND gate is connected to an OR gate for each stage.

REFERENCES:
patent: 3760361 (1973-09-01), Leger et al.
patent: 3928730 (1975-12-01), Aagaard et al.

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