Photography – Camera detail – Diaphragm
Reexamination Certificate
2005-05-19
2008-09-02
Perkey, W. B. (Department: 2862)
Photography
Camera detail
Diaphragm
C359S275000
Reexamination Certificate
active
07419314
ABSTRACT:
An optical density changing element comprising: an anode; and a cathode, wherein at least one of the anode and the cathode comprises a first compound that changes a spectral absorption spectrum of the first compound in a wavelength of 400 to 700 nm by providing an electron to or receiving an electron from the at least one of the anode and the cathode, and wherein at least one of the anode and the cathode comprises a second compound that does not change a spectral absorption spectrum of the second compound in a wavelength of 400 to 700 nm by providing an electron to or receiving an electron from the at least one of the anode and the cathode.
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Patent Abstract of Japan for JP 2005-11532, Apr. 2005.
David Cummins, et al, “Ultrafast Electrochromic Windows Based on Redox-Chromophore Modified Nanostructured Semiconducting and Conducting Films”, J. Phys. Chem. B, vol. 104, 2000, pp. 11449-11459, Nov. 2000.
Ishii Yoshio
Kaneiwa Hideki
Matsunaga Atsushi
Shinohara Ryuji
FUJIFILM Corporation
Perkey W. B.
Sughrue & Mion, PLLC
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