JPS593421U - spot light - Google Patents
spot lightInfo
- Publication number
- JPS593421U JPS593421U JP9772982U JP9772982U JPS593421U JP S593421 U JPS593421 U JP S593421U JP 9772982 U JP9772982 U JP 9772982U JP 9772982 U JP9772982 U JP 9772982U JP S593421 U JPS593421 U JP S593421U
- Authority
- JP
- Japan
- Prior art keywords
- parabolic reflector
- reflector
- center
- light
- spot light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Lenses (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図ａ、 ｂは従来のレンズレススポットライトの
光学原理を示す図、第２図は本考案に係るレンズレスス
ポットライトの一実施例を示す断面図、第３図ａ、
ｂは本考案レンズレススポットライトの光学原理を示す
図、第４図ａ、 ｂ、 ｃは本考案に係るレンズレ
ススポットライトの配光説明図で、第４図ａは第１放物
面反射鏡による配光説明図、第４図すは第２放物面反射
鏡による配光説明図、第４図Ｃは合成された配光説明図
、第５図は従来のレンズレススポットライトによる配光
説明図である。
図中、１１・・・電球、１５・・・第１放物面反射鏡、
１６・・・第２放物面反射鏡。Figures 1a and 1b are diagrams showing the optical principle of a conventional lensless spotlight, Figure 2 is a sectional view showing an embodiment of the lensless spotlight according to the present invention, and Figure 3a,
b is a diagram showing the optical principle of the lensless spotlight of the present invention, Figures 4a, b, and c are explanatory diagrams of light distribution of the lensless spotlight of the present invention, and Figure 4a is the first parabolic reflection. Fig. 4 is an explanatory diagram of light distribution by a mirror, Fig. 4 is an explanatory diagram of light distribution by a second parabolic reflector, Fig. 4C is an explanatory diagram of combined light distribution, and Fig. 5 is an explanatory diagram of light distribution by a conventional lensless spotlight. It is a light explanatory diagram. In the figure, 11...light bulb, 15...first parabolic reflector,
16...Second parabolic reflector.
Claims (1)
反射鏡の中央開口内径を路外径とする第２放物面反射鏡
と、該反射鏡群と電球の関係位置を調整する機構と、灯
体等から成り、第１放物面反射鏡の焦点近傍に電球の光
中心を配し、第２放物面反射鏡は軸芯を光軸上に保持し
て前後に調整可能としたことを特徴とするスポットライ
ト。A light bulb, a first parabolic reflector having an opening in the center, a second parabolic reflector whose outside diameter is the inner diameter of the center opening of the reflector, and the relative position of the reflector group and the light bulb. It consists of an adjustment mechanism, a lamp body, etc., and the light center of the bulb is placed near the focal point of the first parabolic reflector, and the second parabolic reflector holds its axis on the optical axis and moves back and forth. A spotlight that is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9772982U JPS6022494Y2 (en) | 1982-06-29 | 1982-06-29 | spot light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9772982U JPS6022494Y2 (en) | 1982-06-29 | 1982-06-29 | spot light |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS593421U true JPS593421U (en) | 1984-01-10 |
| JPS6022494Y2 JPS6022494Y2 (en) | 1985-07-04 |
Family
ID=30232337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9772982U Expired JPS6022494Y2 (en) | 1982-06-29 | 1982-06-29 | spot light |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6022494Y2 (en) |
-
1982
- 1982-06-29 JP JP9772982U patent/JPS6022494Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6022494Y2 (en) | 1985-07-04 |
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