Electrical supply for an electrochromic cell

Details Electrical supply for an electrochromic cell Electrical supply for an electrochromic cell

1993-08-12

1995-03-28

Oberley, Alvin E.

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

359265, G09G 334

Patent

active

054021448

ABSTRACT:
An electrochromic cell, connected to an electrical reference element equivalent to an element of the electrochromic cell of zero surface dimensions and zero electrolyte thickness, connected in series with a resistance R.sub.i identical to the ion resistance of the electrochromic cell (reduced to a same zero surface), a potential difference applied by a generator, in coloration and decoloration respectively, being such that the voltage at the terminals of the reference element is kept at a value below a coloration reference voltage or decoloration reference voltage respectively.

REFERENCES:
patent: 4529873 (1985-07-01), Ballmer et al.
patent: 5073011 (1991-12-01), Ito et al.
patent: 5124833 (1992-06-01), Barton et al.
Patent Abstracts of Japan vol. 014, No. 207 (P-1043) & JP-A-02 046 428 (Toyota Motor) Feb. 15, 1990.
Patent Abstracts of Japan vol. 012, No. 422 (P-783) & JP-A-63 157 132 (Hitachi Maxell) Jun. 30, 1988.

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