The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 28, 1995
Filed:
Aug. 12, 1993
Xavier Ripoche, Paris, FR;
Saint-Gobain Vitrage International, Courbevoie, FR;
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.
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