| 摘要 |
<P>PROBLEM TO BE SOLVED: To install on a ceiling surface a lighting apparatus having a negative ion generator similarly as the conventional lighting apparatus without the negative ion generator by a hook ceiling fitted on the ceiling and a mounting adaptor. <P>SOLUTION: Installation of the lighting apparatus having a negative ion generator 5 on the ceiling surface 1 is carried out by fitting a mounting adaptor 3 to the hooking ceiling body 2 fitted to the ceiling surface 1, and by installing detachably the lighting apparatus body 4 on this mounting adaptor 3 and by installing the negative ion generator 5 on the lower face side of the lighting apparatus body 4. <P>COPYRIGHT: (C)2004,JPO |
