发明名称 Illumination beam adjustment apparatus and illumination apparatus
摘要 An illumination beam adjustment apparatus is disclosed. The apparatus comprises a housing (4), a plurality of first optical elements (12) fixed relative to the housing and adapted to receive and transmit electromagnetic radiation and adjust the beam angle of a beam of electromagnetic radiation passing therethrough, and a second optical element (14) removably mounted relative to the housing and adapted to receive electromagnetic radiation from the first optical elements and transmit electromagnetic radiation. The second optical element is adapted to adjust the beam angle of a beam of an electromagnetic radiation passing therethrough.
申请公布号 US9388950(B2) 申请公布日期 2016.07.12
申请号 US201214238889 申请日期 2012.08.02
申请人 Raytec Limited 发明人 Cutler Shaun Lee;Lambert David Raymond;Whiting Anthony Gerard
分类号 H01L27/32;G09G3/32;F21K99/00;G02B27/09;G02B19/00;G08B13/196 主分类号 H01L27/32
代理机构 Quarles & Brady LLP 代理人 Quarles & Brady LLP
主权项 1. An illumination beam adjustment apparatus comprising:— (i) a housing; (ii) at least one first optical element fixed relative to the housing and adapted to receive and transmit electromagnetic radiation, wherein at least one said first optical element is adapted to adjust the beam angle of a beam of electromagnetic radiation passing therethrough; and (iii) at least one second optical element removably mounted relative to the housing and adapted to receive electromagnetic radiation from at least one said first optical element and transmit electromagnetic radiation, wherein at least one said second optical element is adapted to adjust the beam angle of a beam of an electromagnetic radiation passing therethrough.
地址 Ashington, Northumberland GB