Electromagnetic device
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United States of America Patent
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Apr 24, 1990
Grant Date -
N/A
app pub date -
Jun 2, 1988
filing date -
Jun 3, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electromagnetic device comprising solid matrix layer, wherein micro-capsules containing suspension anisotropic particles are dispersed, and a means for applying electric field or magnetic field to the anisotropic particles. According to the present invention, not only range of transmittance of solar radiation can be much improved, but also a smart window of large scale having nonuniformity of thickness and nonuniformity of density of particles can be realized.
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