Split prismatic annunciator

Details Split prismatic annunciator Split prismatic annunciator

1982-11-15

1984-07-17

Arnold, Bruce Y.

Communications: electrical

Land vehicle alarms or indicators

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

40463, 40506, 340945, G09F 1100, G08G 500

Patent

active

044602448

ABSTRACT:
The present invention pertains to a display utilizing a plurality of display prisms in a single device each of which can be separately actuated so that there can be more messages available to a user than surfaces on the prisms due to the interaction of messages on a cooperative basis.

REFERENCES:
patent: 3616555 (1971-11-01), Campbell
patent: 4312041 (1982-01-01), DeJorge

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