发明名称 |
Emergency lighting device |
摘要 |
An emergency lighting unit comprises a housing which contains the lighting unit circuitry. The housing includes a wall which defines at least one substantially circular opening therein. Extending partially through this opening is a substantially spherical lighting head containing a light source, such as a halogen lamp. The lighting head is rotatable by hand to any desired rotation to vary the field of illumination.
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申请公布号 |
US6019477(A) |
申请公布日期 |
2000.02.01 |
申请号 |
US19970888155 |
申请日期 |
1997.07.03 |
申请人 |
DUAL-LITE INC. |
发明人 |
WEGRZYN, JOSEPH;HOLMES, JEFF;ERICKSON, MILT |
分类号 |
F21S9/02;F21V15/01;F21V17/16;F21V21/30;F21V23/04;(IPC1-7):F21V21/14 |
主分类号 |
F21S9/02 |
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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