JPH079126Y2 - オートフォーカス用投光器 - Google Patents
オートフォーカス用投光器Info
- Publication number
- JPH079126Y2 JPH079126Y2 JP1986176497U JP17649786U JPH079126Y2 JP H079126 Y2 JPH079126 Y2 JP H079126Y2 JP 1986176497 U JP1986176497 U JP 1986176497U JP 17649786 U JP17649786 U JP 17649786U JP H079126 Y2 JPH079126 Y2 JP H079126Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- mirror
- semi
- focal point
- spherical mirror
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000005259 measurement Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 1
- 238000005375 photometry Methods 0.000 description 1
Landscapes
- Focusing (AREA)
- Optical Elements Other Than Lenses (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986176497U JPH079126Y2 (ja) | 1986-11-17 | 1986-11-17 | オートフォーカス用投光器 |
| US07/120,650 US4905034A (en) | 1986-03-25 | 1987-11-16 | Automatic focusing projector |
| US07/389,299 US4949115A (en) | 1986-03-25 | 1989-08-03 | Automatic focusing projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986176497U JPH079126Y2 (ja) | 1986-11-17 | 1986-11-17 | オートフォーカス用投光器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6382212U JPS6382212U (enrdf_load_stackoverflow) | 1988-05-30 |
| JPH079126Y2 true JPH079126Y2 (ja) | 1995-03-06 |
Family
ID=31116796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986176497U Expired - Lifetime JPH079126Y2 (ja) | 1986-03-25 | 1986-11-17 | オートフォーカス用投光器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH079126Y2 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150898A (zh) * | 2018-02-09 | 2018-06-12 | 超视界激光科技(苏州)有限公司 | 一种高亮度led舞台灯 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1376522A (en) * | 1972-04-15 | 1974-12-04 | Int Computers Ltd | Manufacture of magnetic transducing heads |
-
1986
- 1986-11-17 JP JP1986176497U patent/JPH079126Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150898A (zh) * | 2018-02-09 | 2018-06-12 | 超视界激光科技(苏州)有限公司 | 一种高亮度led舞台灯 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6382212U (enrdf_load_stackoverflow) | 1988-05-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6715880B2 (en) | Projector device comprising a rod integrator having at least one notch or a protruded portion | |
| US6908218B2 (en) | Light source unit and projector type display device using the light source unit | |
| JP2004119364A (ja) | 光源の反射構造及び集光装置 | |
| US5217299A (en) | Reflection type lighting apparatus | |
| JP2006259521A (ja) | 発光装置 | |
| US4905034A (en) | Automatic focusing projector | |
| JPH079126Y2 (ja) | オートフォーカス用投光器 | |
| JP4681098B2 (ja) | 映像プロジェクタ | |
| JPH0540223A (ja) | 照明装置 | |
| KR100826193B1 (ko) | 조명 장치 | |
| RU94041942A (ru) | Фара транспортного средства | |
| JP2003043578A (ja) | プロジェクションエンジン | |
| JPH1031213A (ja) | 光源装置 | |
| JP3252617B2 (ja) | 自動焦点検出用の投光系及びそれを有するカメラ | |
| JPH0854668A (ja) | 補助照明装置 | |
| JPH06138408A (ja) | 照明光学システム | |
| JPH03242609A (ja) | 照明光学系 | |
| JP3437262B2 (ja) | 自動焦点検出用の投光系 | |
| KR0135835B1 (ko) | 광효율 증대를 위한 액정 프로젝터용 조명 장치 | |
| KR100598425B1 (ko) | 반사영상용 투사렌즈 광학계 | |
| JPS6312491Y2 (enrdf_load_stackoverflow) | ||
| JPH07253612A (ja) | 照明光学系を備えたカメラ | |
| JPH04328538A (ja) | 照明装置 | |
| JPH03168629A (ja) | 照明装置 | |
| CN117469622A (zh) | 一种将面光源转化为平行光源的装置 |