Electrochromic display employing potentiostatic erasure

Details Electrochromic display employing potentiostatic erasure Electrochromic display employing potentiostatic erasure

1984-06-29

1987-03-10

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

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

350357, G09G 334

Patent

active

046493824

ABSTRACT:
Completion of potentiostatic erasure of an electrochromic display is detected by monitoring the erase current supplied to addressed display electrodes by potentiostatic erase drive means. The occurrence of a fall in erase current, corresponding to completion of the erasure of the addressed display electrodes, is detected, preferably by a threshold detector, and an erase completion indication produced. This indication effects disconnection of the erase current path.

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patent: 4426643 (1984-01-01), Martin
Barclay, D. J. et al, "AC Erasure of Electrochromic Displays", IBM Technical Disclosure Bulletin, vol. 20, No. 11A, Apr. 1978.

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