Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 17, 2007
Patent Application Number
10564387
Date Filed
July 7, 2004
Patent Primary Examiner
Patent abstract
A variable lens having an optical axis is described. The lens comprises a plurality of annuli located around the optical axis. Each annulus has respective side walls defining a chamber containing a first fluid and a second fluid in contact over a meniscus. The fluids are substantially immiscible and have different refractive indices. At least one of the annuli comprises at least one electrode for altering the configuration of the meniscus.
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