JPH0192018U

JPH0192018U -

Info

Publication number: JPH0192018U
Application number: JP1987187425U
Authority: JP
Priority date: 1987-12-09
Filing date: 1987-12-09
Publication date: 1989-06-16

Description

[Brief explanation of the drawing]

第１図はこの考案の照明器具の一実施例を示す
一部破断正面図、第２図はその電気回路図、第３
図はこの考案の照明器具における安定器の斜視図
、第４図のａ，ｂおよびｃはこの考案の照明器具
に使用される片口金放電ランプおよびソケツトの
斜視図、第５図は上記ソケツトに設けた切替スイ
ツチの拡大側面図、第６図および第７図は従来の
照明器具を示す一部破断正面図および底面図、第
８図のａ，ｂは従来の片口金放電ランプおよびソ
ケツトの斜視図である。なお、図中、５は安定器、６はランプソケツト
、９は片口金放電ランプ、１５は切替スイツチで
ある。 Fig. 1 is a partially cutaway front view showing an embodiment of the lighting device of this invention, Fig. 2 is its electrical circuit diagram, and Fig. 3
The figure is a perspective view of the ballast in the lighting equipment of this invention, Figure 4 a, b and c are perspective views of the single-cap discharge lamp and socket used in the lighting equipment of this invention, and Figure 5 is a perspective view of the socket used in the lighting equipment of this invention. Figures 6 and 7 are partially cutaway front and bottom views of a conventional lighting device, and Figures a and b are perspective views of a conventional single-cap discharge lamp and socket. It is a diagram. In the figure, 5 is a ballast, 6 is a lamp socket, 9 is a single-cap discharge lamp, and 15 is a changeover switch.

Claims

[Scope of utility model registration request]

Equipped with a lamp socket equipped with a ballast having two or more types of impedance and a changeover switch that is selectively connected to each terminal of this ballast, and by inserting two or more types of single-cap discharge lamps with different outputs into this lamp socket. A lighting device characterized in that the selector switch is selectively activated to light each of the single-cap discharge lamps at different outputs respectively possessed by the ballast.