发明名称 PAR Flood lamp
摘要 A flood lamp having a lens with a series of concentrically disposed fluted rings on the internal lens surface in combination with an outer concentric ring adjacent to and wider than any one of the fluted rings and containing a plurality of semi-spherical protrusions disposed in an established pattern (e.g., circular or hexagonal). The flood lamp reflector has multiple reflective surfaces including a front section that is parabolic shape having a principle focal point, a spherical section having its center of radius coincident with the principle focal point of the parabolic front section, and a spherical rear section.
申请公布号 US4484254(A) 申请公布日期 1984.11.20
申请号 US19820380496 申请日期 1982.05.21
申请人 GTE PRODUCTS CORPORATION 发明人 PUCKETT, CLARENCE D.;WESTLUND, JR., ARNOLD E.;THIRY, WILLIAM G.
分类号 F21V5/00;F21V7/09;H01K1/36;(IPC1-7):F21V7/00 主分类号 F21V5/00
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