JPH0549971B2 - - Google Patents
Info
- Publication number
- JPH0549971B2 JPH0549971B2 JP1074664A JP7466489A JPH0549971B2 JP H0549971 B2 JPH0549971 B2 JP H0549971B2 JP 1074664 A JP1074664 A JP 1074664A JP 7466489 A JP7466489 A JP 7466489A JP H0549971 B2 JPH0549971 B2 JP H0549971B2
- Authority
- JP
- Japan
- Prior art keywords
- illuminated
- cone
- light
- conical
- illumination device
- 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
- 238000005286 illumination Methods 0.000 claims description 33
- 238000003384 imaging method Methods 0.000 claims description 27
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000009792 diffusion process Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 description 7
- 235000013405 beer Nutrition 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1074664A JPH02251943A (ja) | 1989-03-27 | 1989-03-27 | 照明装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1074664A JPH02251943A (ja) | 1989-03-27 | 1989-03-27 | 照明装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02251943A JPH02251943A (ja) | 1990-10-09 |
| JPH0549971B2 true JPH0549971B2 (OSRAM) | 1993-07-27 |
Family
ID=13553728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1074664A Granted JPH02251943A (ja) | 1989-03-27 | 1989-03-27 | 照明装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02251943A (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7079665B2 (ja) * | 2018-05-30 | 2022-06-02 | シーシーエス株式会社 | 光照射装置及びピンホール部材 |
| US11754237B2 (en) | 2021-06-12 | 2023-09-12 | Lucifer Lighting Company | Retention, adjustability and maintenance for a recessed component such as a recessed luminaire |
| WO2022261546A2 (en) | 2021-06-12 | 2022-12-15 | Lucifer Lighting Company | Retention, adjustability and maintenance for a recessed component such as a recessed luminaire |
-
1989
- 1989-03-27 JP JP1074664A patent/JPH02251943A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02251943A (ja) | 1990-10-09 |
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