发明名称 |
Screen illumination apparatus and method |
摘要 |
In a device for directing light longitudinally forwardly, the combination comprising a light source, and a protective, transparent envelope extending about the light source; a drum lens having a body extending about the light source and envelope, for refracting light from the source; a light reflector extending about the drum lens body, for forwardly and convergently re-directing refracted light received from the drum lens body; and a correcting lens for receiving a collimating re-directed light screened from the reflector.
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申请公布号 |
US6166860(A) |
申请公布日期 |
2000.12.26 |
申请号 |
US19990375400 |
申请日期 |
1999.08.17 |
申请人 |
TELEDYNE LIGHTING AND DISPLAY PRODUCTS, INC. |
发明人 |
MEDVEDEV, VLADIMIR;PARNYN, WILLIAM A |
分类号 |
F21V5/04;F21V13/04;G02B3/08;G02F1/13357;(IPC1-7):G02B27/30;G02B27/10;G02B17/00;G02B13/02 |
主分类号 |
F21V5/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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