Variable-focal-length lens
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United States of America Patent
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-
Jan 14, 1986
Grant Date -
N/A
app pub date -
Dec 27, 1982
filing date -
Jan 7, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a variable-focal-length lens whose focal length can be electrically controlled by applying an electric field of uniform intensity distribution to a compound lens including at least one lens formed of electrooptic crystal and varying the intensity of the applied electric field.
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