Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 27, 2007
Patent Application Number
11255968
Date Filed
October 24, 2005
Patent Primary Examiner
Patent abstract
This invention is directed to a device of “wide-angle diving lens”, primarily comprises a lens; and characterized by: the lens is made by a main lens and extended with a plurality of different angles of sub-window lens, or at the inner edge of the lens arranged Fresnel lens, or at the outer edge of the lens chamfered with embedded joint. Accordingly, the present invention “wide-angle diving lens” not only takes advantage of the multi-angles of lens to increase visible range and enhance the structure solidity but also applies Fresnel lens to modify the light refraction angle to enlarge visible range; and further assembly conveniently as well as no visible range disrupt.
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