JPH0485503U - - Google Patents
Info
- Publication number
- JPH0485503U JPH0485503U JP12828890U JP12828890U JPH0485503U JP H0485503 U JPH0485503 U JP H0485503U JP 12828890 U JP12828890 U JP 12828890U JP 12828890 U JP12828890 U JP 12828890U JP H0485503 U JPH0485503 U JP H0485503U
- Authority
- JP
- Japan
- Prior art keywords
- aperture
- spotlight
- whose
- lamp
- house
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Description
図面は本考案の実施例を示し、第１図のアパー
チヤの開口径を小さくした場合の光学原理図、第
２図はアパーチヤの開口径を大きくした場合の光
学原理図、第３図及び第４図は従来構造の光学原
理図である。
図中、１……アイリスシヤツタ、２……ランプ
ハウス、３……結像用レンズ。
The drawings show an embodiment of the present invention, and FIG. 1 is a diagram of the optical principle when the opening diameter of the aperture is made small, FIG. 2 is a diagram of the optical principle when the opening diameter of the aperture is made large, and FIGS. The figure is a diagram of the optical principle of a conventional structure. In the figure, 1... iris shutter, 2... lamp house, 3... imaging lens.
Claims (1)
チヤへ集光せしめる反射鏡等と光源とから成るラ
ンプハウスと、結像用レンズとから成るスポツト
ライトにおいて、上記アパーチヤの開口径の変化
に対応してランプハウスを光軸に沿い前後方向に
移動自在としたスポツトライト。 In a spotlight consisting of an aperture whose aperture diameter can be changed, a lamp house consisting of a light source, a reflector, etc. that focuses light onto the aperture, and an imaging lens, the lamp can be adjusted in response to changes in the aperture diameter of the aperture. A spotlight whose house can be moved forward and backward along the optical axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990128288U JPH0735202Y2 (en) | 1990-11-29 | 1990-11-29 | Spotlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990128288U JPH0735202Y2 (en) | 1990-11-29 | 1990-11-29 | Spotlight |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0485503U true JPH0485503U (en) | 1992-07-24 |
| JPH0735202Y2 JPH0735202Y2 (en) | 1995-08-09 |
Family
ID=31875756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990128288U Expired - Lifetime JPH0735202Y2 (en) | 1990-11-29 | 1990-11-29 | Spotlight |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735202Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51117488U (en) * | 1975-03-19 | 1976-09-24 |
-
1990
- 1990-11-29 JP JP1990128288U patent/JPH0735202Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51117488U (en) * | 1975-03-19 | 1976-09-24 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735202Y2 (en) | 1995-08-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |