| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lighting system equipped with a lamp emitting light with the use of a semiconductor and having orientation, and capable of determining orientation direction to a base. <P>SOLUTION: The lighting system includes a mounting part 201 fitted to one end of the lamp 100, a first light source 321 arranged so as a light axis B and an arrangement axis A which virtually connects the mounting part 201 and this first light source 321 to cross each other, a first engagement part 221 for determining the position of a rotation direction D of the lamp 100 at a rotation axis C along the arrangement axis A, a retainer 701 fitted to the base 703 and retaining the lamp 100 by having the mounting part 201 mounted, a rotation part 223 capable of rotating the lamp 100 with the rotation axis C as the center with a rotation angle E selected from a range of 0 degree or more and less than 270 degrees while the first engagement part 221 and the retainer 701 are engaged with each other, and a second engagement part fitted to an end of the rotation part 223, engaged with the first engagement part 221 and determining the direction to the base 703 of the light axis B. <P>COPYRIGHT: (C)2012,JPO&INPIT |
