Display information exchange device for an electrostatic display

Details Display information exchange device for an electrostatic display Display information exchange device for an electrostatic display

1985-02-15

1988-05-03

Corbin, John K.

Communications: electrical

Land vehicle alarms or indicators

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

340783, G02B 2602, G09G 334

Patent

active

047415991

ABSTRACT:
A device for exchanging the display information to be given to an electrostatic display apparatus constituted with many electrostatic display units arranged to form a matrix. The present device comprises a RAM and a backup battery, both mounted on a base plate detachable from the main circuit of the device. This device makes it possible to partially change the display information data without interrupting the display in proceeding.

REFERENCES:
patent: 3973817 (1976-08-01), Stalley et al.
patent: 4370733 (1983-01-01), Gaudio
patent: 4468663 (1984-08-01), Kalt
patent: 4571603 (1986-02-01), Hornbeck et al.

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