Electric memory detector in an ECD driver

Details Electric memory detector in an ECD driver Electric memory detector in an ECD driver

1979-11-09

1981-11-10

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

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

340763, 340811, 350357, G09F 732, G06F 314

Patent

active

043001386

ABSTRACT:
In an electrochromic display comprising a back plate electrode, a plurality of display electrodes, and a reference electrode available for maintaining the potential of the respective display electrodes at a fixed value, there is provided a detector for sensing the counter electromotive force which is developed between the display electrodes and the reference electrode in a manner such that there is created a remarkable difference in the output voltage signal thereof between in the colored state and in the bleached state. Therefore, the output signal from the detector indicates whether the electrochromic display is held in the colored state or the bleached state.

REFERENCES:
patent: 3096271 (1963-07-01), Hespenheide
patent: 3736043 (1973-05-01), Sambucetti
patent: 3950077 (1976-04-01), Jasinski
patent: 3961842 (1976-06-01), Jasinski
patent: 3972040 (1976-07-01), Hilsum et al.
patent: 4057739 (1977-11-01), Otake
Information Displays: Innovation is the Rule, Jurgen, IEEE Spectrum, p. 18, 11/72.

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