Optical: systems and elements – Optical modulator – Light wave temporal modulation
Patent
1990-10-30
1991-12-17
Mintel, William
Optical: systems and elements
Optical modulator
Light wave temporal modulation
G02F 101
Patent
active
050730118
ABSTRACT:
An electrochromic device is disclosed. The electrochromic device includes a pair of bases, and both a primary and a reference electrochromic element provided between the bases. The reference electrode is electrically connected to the primary electrochromic element so as to maintain the color-developing and fading potentials of the primary electrochromic element at predetermined voltages. A power regulator is also provided for driving the primary electrochromic element based in part on the output of the reference electrochromic element.
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Ito Toshiyasu
Kato Mamoru
Mori Takaaki
Uemura Toshiya
Mintel William
Potter Roy
Toyoda Gosei Co,., Ltd.
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