Commutation grid

Details Commutation grid Commutation grid

1988-11-23

1990-08-14

Peng, John K.

Facsimile and static presentation processing

Static presentation processing

Attribute control

3408257, 361416, 307112, H04N 718

Patent

active

049491717

ABSTRACT:
A commutation grid in which any of N input signals can be output to any of M outputs. The input signals are fed to an input card which passes the input signals to an output card via a commutation card. These card elements are supported in a rack system which allows each card to make an appropriate contact with any other card. A user is also permitted to issue a command order which controls the operation of the communication card.

REFERENCES:
patent: 4400627 (1983-08-01), Zola
patent: 4472765 (1984-09-01), Hughes
patent: 4814883 (1989-03-01), Perine et al.

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